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Qualcomm Incorporated patents (2018 archive)


Recent patent applications related to Qualcomm Incorporated. Qualcomm Incorporated is listed as an Agent/Assignee. Note: Qualcomm Incorporated may have other listings under different names/spellings. We're not affiliated with Qualcomm Incorporated, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Q" | Qualcomm Incorporated-related inventors


Restricting bearers in a connection

Certain aspects of the present disclosure relate to methods and apparatus for restricting bearers in a connection. An exemplary method generally includes configuring one or more radio bearers for communicating with the network, determining that data associated with at least one radio bearer of the one or more radio bearers needs to be transmitted, selectively activating the at least one radio bearer based on the determination that the data associated with the at least one radio bearer needs to be transmitted, transmitting the data over the at least one activated radio bearer.. ... Qualcomm Incorporated

Radio resource control (rrc) entity selection for rrc messages

Certain aspects of the present disclosure relate to methods and apparatus for radio resource control (rrc) entity selection for rrc messages using communications systems operating according to new radio (nr) technologies. Certain aspects provide a method for wireless communication. ... Qualcomm Incorporated

Mechanisms for establishing user plane connectivity for non-3gpp access

Methods, systems, and devices for wireless communication are described. A wireless device transmits an indication of whether the device should be paged over a 3gpp access when a core network has data ready to transmit for pdu sessions over a non-3gpp access. ... Qualcomm Incorporated

Local area data network connectivity

Certain aspects of the present disclosure relate to methods and apparatus relating to local area data network connectivity. In certain aspects, a method for use by a network device includes determining a set of available local area data networks (ladns) for a user equipment (ue) based on a subscription of the ue to a set of data network names (dnns) corresponding to the set of available ladns and sending the ue information indicative of the set of available ladns and a location of availability corresponding to each of the ladns of the set of available ladns.. ... Qualcomm Incorporated

Mobility enhancement with channel state information reference signals (csi-rs)

Certain aspects may help enhance mobility of a ue, for example, utilizing downlink and/or uplink reference signals to assist in locating and/or handing over a ue in a cell with multiple transmit reception points (trps).. . ... Qualcomm Incorporated

Scheduling requests and buffer status reports for low latency wireless communications

A base station may transmit a grant to user equipment (ues), indicating uplink resources for transmission of pending data at a ue. Uplink resources may include uplink resources associated with transmission time intervals (ttis) and/or shortened ttis (sttis). ... Qualcomm Incorporated

Techniques and apparatuses for temporary modification of periodic grants

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device such as a user equipment may receive an indicator associated with a periodic grant configuration, wherein the indicator identifies a release of a subsequent resource allocation of the one or more processors; and/or skip at least one communication period for traffic associated with the subsequent resource allocation of the one or more processors based at least in part on receiving the indicator. ... Qualcomm Incorporated

Opportunistic uplink transmission

Aspects of the present disclosure provide for opportunistic uplink transmissions within a slot. In some examples, after scheduling all regular uplink transmissions within a current slot, a base station (e.g., gnb) may identify a set of unused uplink resources within the current slot and generate and transmit unused resource information identifying the set of unused resources to the user equipment (ue) within the cell served by the base station. ... Qualcomm Incorporated

Time division duplex (tdd) subframe structure supporting single and multiple interlace modes

Aspects of the present disclosure provide a time division duplex (tdd) subframe structure that supports both single and multiple interlace modes of operation. In a single interlace mode, control information, data information corresponding to the control information and acknowledgement information corresponding to the data information are included in a single subframe. ... Qualcomm Incorporated

Quality of service configurations for radio bearers with multiple data flows

Methods, systems, and devices for wireless communication are described. A wireless communications system may establish radio bearers for certain data transmissions between a user equipment (ue) and a base station. ... Qualcomm Incorporated

Transport block boundary flexibility

Methods and apparatus for providing transport block boundary flexibility are disclosed. In some aspects, a transmitter determines a plurality of blocks within a single transmission time interval (tti), and transmits the plurality of blocks within the single tti. ... Qualcomm Incorporated

Ue-specific slot structure configuration

Aspects of the present disclosure relate to wireless communication systems configured to provide user equipment (ue)-specific slot structures based on the individual propagation delay experienced by each ue. In some examples, the duration of uplink transmissions for a particular ue within a slot may be configured based on the propagation delay between the base station and that particular ue. ... Qualcomm Incorporated

Scheduling request for one or more uplink transmissions using narrowband communications

The present disclosure may support dedicated scheduling request resources in a npusch format resource structure, a nprach, and/or an ack/nack transmission associated with a downlink transmission received at the ue. In addition, the present disclosure may provide various techniques to mitigate collisions between scheduling requests transmitted by a ue, uplink transmissions sent by different ues, and/or downlink transmissions sent by a base station. ... Qualcomm Incorporated

Handling overhead messages in 5g

Certain aspects of the present disclosure relate to methods and apparatus for handing overhead messages in new radio (nr). An exemplary method generally includes receiving a first overhead message of a first type comprising first configuration information for the ue, determining a first priority level of the configuration information in the first overhead message, taking one or more first actions based on the first priority level, attempting to receive a second overhead message of a second type comprising second configuration information for the ue, if the second overhead message is received, determining a second priority level of the second configuration information in the second overhead message, taking one or more second actions based on the second priority level.. ... Qualcomm Incorporated

09/27/18 / #20180279311

User equipment antenna calibration with assistance from other devices

The present disclosure describes over-the-air ul-dl reciprocity calibration of ues. In some embodiments, the ue may perform the calibration at the ue, while in other embodiments the bs may determine the calibration parameters for a ue and send the parameters to the ue for implementation. ... Qualcomm Incorporated

09/27/18 / #20180279310

Techniques for dual-mode operations in new radio

Apparatus and methods of wireless communications operating in a wideband new radio (nr) system include identifying a system bandwidth value of a cell, and identifying a user equipment (ue) bandwidth capability. Additionally, the aspects include determining a ue-specific set of bandwidth parts each having a ue-specific bandwidth based on the system bandwidth value and the ue bandwidth capability, and communicating with the cell using at least one of the ue-specific set of bandwidth parts. ... Qualcomm Incorporated

09/27/18 / #20180279304

Slot format indicator (sfi) and slot aggregation level indication in group common pdcch and sfi conflict handling

Certain aspects of the present disclosure provide techniques for a slot format indicator (sfi) and slot aggregation level indication in a group common physical downlink control channel (gc pdcch) and conflict handling for the sfi. According to certain aspects, a method of wireless communication by a base station (bs) is provided. ... Qualcomm Incorporated

09/27/18 / #20180279303

Legacy and new radio coexistence frame and control design

Aspects of the disclosure relate to next generation (e.g., fifth generation or 5g) cells that support legacy radio access technologies by sharing a carrier between 5g and legacy transmissions. To facilitate coexistence between legacy and 5g transmissions, a configurable slot structure may be utilized for 5g transmissions. ... Qualcomm Incorporated

09/27/18 / #20180279298

Uplink control channel configuration for wireless communications

Methods, systems, and apparatuses for wireless communication are described. In some wireless systems (e.g., new radio (nr) systems), a system may employ fixed or variable length uplink burst regions (e.g., in an uplink-centric slot). ... Qualcomm Incorporated

09/27/18 / #20180279296

Single slot short pucch with support for intra slot frequency hopping

Various features related to design and implementation of a single slot spucch are described. In an aspect, the single slot spucch supports intra-stti frequency hopping. ... Qualcomm Incorporated

09/27/18 / #20180279292

Techniques and apparatuses for waveform signaling for downlink communications

When a base station is capable of using multiple different types of waveforms for a downlink communication to a ue, the ue may waste processing resources attempting to receive and/or process the downlink communication. For example, the ue may cycle through various possible types of waveforms in an attempt to process the downlink communication. ... Qualcomm Incorporated

09/27/18 / #20180279287

Multi-link control beam switching

Certain aspects of the present disclosure provide techniques for switching control beams in multi-link systems using new radio (nr) technology multiple-input multiple-output (mimo) techniques. A user equipment (ue) may obtain a configuration from a base station (bs) comprising at least one first pattern of beams to monitor when performing a beam recovery procedure, communicate using beamforming, with the bs, via an active transmit and receive beam pair, determine a beam failure of the active transmit and receive beam pair, and monitor the beams according to the first pattern in response to the beam failure.. ... Qualcomm Incorporated

09/27/18 / #20180279272

Crs bandwidth signaling

In order to more efficiently use system resources and to reduce power usage, a narrowband apparatus may determine a set of monitored resource blocks (rbs) on a subframe for monitoring for crs from a base station may monitor for the crs from the base station on the subframe based on the set of monitored rbs. The base station may determine a bandwidth for transmitting the crs to a user equipment, wherein the bandwidth is less than a system bandwidth and may transmit the crs to the ue using the determined bandwidth, wherein the ue monitors for the crs on a set of monitored rbs. ... Qualcomm Incorporated

09/27/18 / #20180279271

Techniques for communicating synchronization signal block index in a timing synchronization signal

Techniques are described for wireless communication. In one method, a user equipment (ue) receives a timing synchronization signal (tss) and a physical broadcast channel (pbch), with the tss based at least in part on a timing of the tss within a broadcast channel transmission time interval (bch tti); determines the timing of the tss within the bch tti; and demodulates the pbch based at least in part on the tss. ... Qualcomm Incorporated

09/27/18 / #20180279259

Low latency enhancements to cv2x autonomous resource selection and re-selection procedure for vehicle-to-vehicle communications

Low latency enhancements for communication systems, including autonomous driving and/or selection scenarios, are provided. A method for communication includes monitoring communication resources in a communication system, determining a set of candidate resources to use for subsequent transmission of information within a time window such that the time window is minimized based on a desired communication latency parameter that considers at least one or more of communication channel congestion and a priority of transmission, determining a set of lowest energy resources from the set of candidate resources, selecting a low energy resource from the set of lowest energy resources, and transmitting data on the selected low energy resource. ... Qualcomm Incorporated

09/27/18 / #20180279250

Method and/or system for positioning from a reference signal

Techniques are provided that provide for or otherwise support positioning and related services for mobile devices via wireless signals. In an example, a mobile device may receive from a location server one or more messages comprising positioning assistance data indicating at least an operating frequency band of a terrestrial positioning signal (tps). ... Qualcomm Incorporated

09/27/18 / #20180279243

Techniques for communicating synchronization signal block index in a physical broadcast channel payload

A user equipment (ue) receives a first synchronization signal (ss) block including a first codeword and a second ss block including a second codeword. Each codeword is based on a linear encoding of a physical broadcast channel (pbch) payload. ... Qualcomm Incorporated

09/27/18 / #20180279235

Methods and apparatus for uplink power control

Certain aspects of the present disclosure relate to methods and apparatus for uplink power control when at least two separate power control algorithms are utilized for adjusting transmission power of uplink transmissions on one or more uplink channels to one or more access points. The method includes transmitting one or more power headroom report (phr) based on channel and/or system parameters. ... Qualcomm Incorporated

09/27/18 / #20180279213

Methods for adapting beam scanning frequencies in millimeter wave systems

Technology herein selectively adjusts the frequency with which beam scanning is performed. Systems and methods herein determine present conditions of the ue and determine whether adjusting the current frequency of beam scanning is desired. ... Qualcomm Incorporated

09/27/18 / #20180279212

Network discovery for wireless communications

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may receive network search information related to the accessible bands. ... Qualcomm Incorporated

09/27/18 / #20180279210

Binary tree based pdcch search space design

A method and apparatus for enhancing channel estimation by using a binary tree based pdcch search space in a new radio wireless communication system is disclosed. For example, a ue may identify an aggregation level profile having an aggregation level value for one or more aggregation levels, wherein each aggregation level corresponds to a respective number of resources to use for decoding a pdcch, determine one or more decoding candidates for the ue from among a plurality of available decoding candidates defined as nodes in a binary tree for a search space based on the aggregation level profile, determine respective cces corresponding to each of the one or more decoding candidates, each respective cce including one or more regs, and performing channel estimation for each of the respective cces for use in demodulating and decoding downlink control information for the ue in the pdcch.. ... Qualcomm Incorporated

09/27/18 / #20180279199

Interactive data sharing mechanism for improved user experience

Various aspects related to enabling data sharing between devices based on various parameters associated with the devices and/or that potentially affect the quality of requested service, are described. In an aspect, a first ue receives a request for a data service from a second ue, sends a report including a set of parameters measured by the first ue to the second ue, determines whether to operate as a hotspot to provide the data service based on the set of parameters, and provides the data service upon determining to operate as the hotspot. ... Qualcomm Incorporated

09/27/18 / #20180279194

Systems and methods for enhanced network handoff to wireless local area networks

A method of managing a wireless device includes receiving location information via a wireless wide area network interface and identifying a set of access points within connection range of the wireless device via a wireless local area network interface using the location information. The method also includes transmitting information associated with the set of access points to the wireless device via the wireless wide area network interface and transmitting station information associated with the wireless device to an access point within connection range of the wireless device. ... Qualcomm Incorporated

09/27/18 / #20180279192

Enhanced steering in a network having multiple access points

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer-readable media, for steering an association of a device in a network having multiple access points (aps). In one aspect, a first ap can obtain per-ap metric information regarding a plurality of other aps in the network. ... Qualcomm Incorporated

09/27/18 / #20180279181

Beam-aware handover procedure for multi-beam access systems

Methods, systems, and devices for wireless communication are described for a beam-aware handover procedure for multi-beam access systems. A source base station may determine that a handover request is to be sent to a target base station in preparation for handover of a user equipment (ue) from the source base station to the target base station, and transmit the handover request to the target base station with an indication of whether the handover is to be delayed. ... Qualcomm Incorporated

09/27/18 / #20180279175

Preferred path network scheduling in multi-modem setup

Systems, methods, and devices of the various embodiments provide for multipath transport of internet protocol (ip) packets by a computing device including a plurality of modems. In various embodiments, ip packets may be assigned to a selected one of a plurality of modems for transport based on available bandwidths of each of the plurality of modems.. ... Qualcomm Incorporated

09/27/18 / #20180279156

Channel reservation techniques for millimeter wave systems

Methods, systems, and devices for wireless communication are described. A first device may receive a channel reservation request from a second device, over a shared or unlicensed radio frequency spectrum band, the channel reservation request including a first expected response time duration to receive a channel reservation response in response to the channel reservation request. ... Qualcomm Incorporated

09/27/18 / #20180279150

Techniques for buffer status report and scheduling request in new radio

Various techniques are proposed to enhance or expand the capabilities or usage of buffer status request (bsr) and scheduling request (sr) in new radio (nr) applications. In an implementation, techniques are proposed to extend the sr in long term evolution (lte) baseline with additional information to help a base station (e.g., gnb) schedule faster and more efficiently. ... Qualcomm Incorporated

09/27/18 / #20180279143

Techniques and apparatuses for signal quality measurements for narrowband internet of things (nb-iot) devices

Techniques described herein permit a narrowband internet of things (nb-iot) user equipment (ue) to combine narrowband reference signals (nrs) with other signals, which the nb-iot ue already receives, to improve measurement accuracy. The ue may report whether the ue is capable of combining the nrs with another signal to determine a combined signal quality parameter, and may report the combined signal quality parameter to a base station.. ... Qualcomm Incorporated

09/27/18 / #20180279134

Beam refinement for millimeter wave (mmw) system

Methods, systems, and devices for wireless communication are described for transmitting a first signal corresponding to a symbol so as to cover a geographic sector with via analog beamforming, transmitting, using analog beamforming and a second port, a second signal corresponding to the symbol, wherein aspects of the symbol are phase modulated with respect to the first signal such that corresponding aspects of a combined signal are beam-formed in one or more directions that at least partially overlap the geographic sector, a receiver receives the combined signal and from it determines a preferred refined beam for subsequent transmissions and transmits an indicator that includes the preferred refined beam, and the transmitter receives an indication from a receiver identifying one or more aspects of the combined signal, and determining a refined beam for subsequent transmissions based at least in part on the indication.. . ... Qualcomm Incorporated

09/27/18 / #20180279130

Enhanced channel selection in a network having multiple access points

This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for enhanced channel selection in a network having multiple access points (aps). The enhanced channel selection may optimize the overall performance of the network by incorporating considerations about the impact on other aps in a big-picture view of the network. ... Qualcomm Incorporated

09/27/18 / #20180279101

Reception of search spaces and grants in emtc

Design of search spaces and grants in enhanced machine-type communication (emtc) is discussed in which the search space for common control information is determined based on the search space for non-common control information. In addition, the monitoring of search spaces by mobile devices is also discussed. ... Qualcomm Incorporated

09/27/18 / #20180279096

Methods to enable efficient intra-platoon communication

Methods, systems, and devices for wireless communication are described. A user equipment (ue), e.g., a lead platooning vehicle configured for wireless communications, may determine a communication resource requirement for a group of platooning vehicles. ... Qualcomm Incorporated

09/27/18 / #20180278971

Signaling important video information in network video streaming using mime type parameters

An example device for retrieving media data includes one or more processors configured to retrieve a manifest file specifying data for at least one representation of a media presentation, wherein the manifest file includes data that specifies one or more codecs for the at least one representation, extract, from the manifest file, the data that specifies the one or more codecs, the data including a first element representing a sample entry type code of a track of the at least one representation, wherein the first element represents the sample entry type code using a restricted scheme, and a second element representing a restricted scheme type code for the restricted scheme of the track, and retrieve the media data of the at least one representation based on the first element and the second element.. . ... Qualcomm Incorporated

09/27/18 / #20180278964

Signalling of summarizing video supplemental information

In various implementations, provided are techniques, as well as systems that implement these techniques, for sei messages that distinguish “essential” information from “non-essential” information. In various implementations, an encoder can be configured to determine whether information associated with video data is essential or is not essential. ... Qualcomm Incorporated

09/27/18 / #20180278951

Motion vector difference (mvd) prediction

Techniques are described to increase the coding efficiency of information indicating a sign of a motion vector difference (mvd) component. A video coder may determine a mvd component sign predictor, and determine whether the mvd component sign predictor is the mvd component sign based on an indicator that is transmitted or received. ... Qualcomm Incorporated

09/27/18 / #20180278950

Decoder-side motion vector derivation

A device for decoding video data determines a block of video data is coded in an inter prediction mode; implicitly determines that a decoder-side motion vector derivation (dmvd) mode is enabled for the block of video data; determines motion information for the block of video data; uses the motion information to determine a reference block in accordance with the dmvd mode; and generates a predictive block for the block of video data based on the reference block.. . ... Qualcomm Incorporated

09/27/18 / #20180278949

Constraining motion vector information derived by decoder-side motion vector derivation

Techniques related to decoder-side motion vector derivation (dmvd) are described. For example, this disclosure describes techniques related to applying one or more constraints to motion information, such as a motion vector (mv) derived by dmvd, and/or a mv difference between an initial mv and an mv derived by dmvd. ... Qualcomm Incorporated

09/27/18 / #20180278948

Tile-based processing for video coding

Example video encoding techniques are described. A video encoder may generate residual data for macroblocks for tiles of a current frame. ... Qualcomm Incorporated

09/27/18 / #20180278946

Binary arithmetic coding with parameterized probability estimation finite state machines

For at least one respective bin of the bin stream, a decoder may determine, based on a state for the respective bin, an interval for the respective bin, and the offset value, a value of the respective bin. Additionally, the decoder determines one or more finite state machine (fsm) parameters for a next bin of the bin stream. ... Qualcomm Incorporated

09/27/18 / #20180278942

Intra-prediction mode propagation

A method of decoding video data, including receiving a first block of video data encoded using an inter-prediction mode associating a first intra-prediction mode with the first block of video data, wherein the first intra-prediction mode is associated with a second block of video data, and determining a second intra-prediction mode for a neighbor block of video data based at least in part on the first intra-prediction mode.. . ... Qualcomm Incorporated

09/27/18 / #20180278936

Adaptive parameters for coding of 360-degree video

Techniques and systems are provided for processing 360-degree video data. For example, a picture of the 360-degree video data can be obtained. ... Qualcomm Incorporated

09/27/18 / #20180278824

Systems and methods for regionally controlling exposure time in high dynamic range imaging

Systems and methods are disclosed for detecting light sources and selectively adjusting exposure times of individual sensors in image sensors. In one aspect, a method includes capturing multiple images of a scene using a digital imager. ... Qualcomm Incorporated

09/27/18 / #20180278698

Exhanging service capability exposure function (scef)-related information of a user equipment

A non-mno psp network maintains a table that maps external subscriber identifiers of ues to intermediate subscriber identifiers of the ues on an interface between the non-mno psp network and nhn(s). The non-mno psp network obtains an scef-related message including either an external subscriber identifier or an intermediate subscriber identifier for the ue. ... Qualcomm Incorporated

09/27/18 / #20180278625

Exchanging message authentication codes for additional security in a communication system

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may establish a communication link based on the 1905.1 protocol with at least one second ap. ... Qualcomm Incorporated

09/27/18 / #20180278534

Application traffic pairing

Systems, devices, and methods for reporting information in real time about traffic generated by each application for a device are described. In one aspect, the network can configure a list of applications user equipment (ue) devices need to report traffic information for and then when one of these applications starts a communication, the ue may send traffic descriptor(s) describing the traffic generated by the application. ... Qualcomm Incorporated

09/27/18 / #20180278467

Beam failure identification and recovery techniques

Methods, systems, and devices for wireless communication are described that support beam failure identification and recovery is systems that may use beamforming for uplink and downlink transmission beams. A first beam and a second beam may be configured, and the second beam may be used to identify a failure of the first beam. ... Qualcomm Incorporated

09/27/18 / #20180278403

Partial subframe transmission techniques in shared radio frequency spectrum

Techniques provide for identification of a starting location for a transmission that provides a relatively short time period between completion of a successful contention-based access procedure (e.g., a listen before talk (lbt) procedure) and transmission of data between a base station and a user equipment (ue). In the event that an lbt procedure is successfully completed after the start of a subframe, an indication of a transmission may be transmitted at one of a number of predetermined points within the subframe time duration. ... Qualcomm Incorporated

09/27/18 / #20180278399

Code block grouping and feedback that support efficient retransmissions

Methods, systems, and devices for wireless communication are described. A wireless device may transmit feedback, such as hybrid automatic repeat request (hard) feedback for groups of code blocks rather than for an entire transport block or individual code blocks. ... Qualcomm Incorporated

09/27/18 / #20180278393

Dynamic transient period configurations for shortened transmission time intervals

Methods, systems, and devices for wireless communication are described that support dynamic transient period configurations for shortened transmission time intervals (sttis). A transient period may be configured within uplink transmissions such that protection is enabled for reference signals and data. ... Qualcomm Incorporated

09/27/18 / #20180278385

Methods to mitigate inter-platoon interference

Methods, systems, and devices for wireless communication are described. A user equipment (ue), e.g., a vehicle in a group of platooning vehicles configured for wireless communications, may identify a travel direction of the group of platooning vehicles. ... Qualcomm Incorporated

09/27/18 / #20180278384

Techniques for multi-cluster uplink transmissions

Various aspects described herein relate to techniques for multi-cluster uplink transmissions in wireless communications systems. A method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

09/27/18 / #20180278382

Hybrid automatic repeat request buffer configuration

Aspects of the present disclosure provide apparatuses, methods, and processes that can determine the number of concurrent hybrid automatic repeat request (harq) processes at a harq entity to facilitate efficient use of harq buffers and/or resources across different operating modes. An exemplary apparatus is configured to determine a number of harq processes based on a number of harq buffers, a maximum buffering time, and a slot duration. ... Qualcomm Incorporated

09/27/18 / #20180278379

Downlink retransmission under unreliable code block group (cbg) level ack/nack feedback

Methods and apparatus are provided for downlink retransmission of code block groups (cbgs) when cbg level ack and nack feedback is unreliable. A user equipment (ue) transmits to a base station (bs) feedback indicating an acknowledgement (ack) or a negative acknowledgement (nack) corresponding to each of received set of cbgs transmitted by the bs to the ue. ... Qualcomm Incorporated

09/27/18 / #20180278365

Flexible resource mapping and mcs determination

Certain aspects of the present disclosure relate to methods and apparatus for flexible resource mapping and modulation and coding scheme (mcs) determination in wireless communication systems. According to certain aspects, a method for wireless communications that may be performed by a transmitter is provided. ... Qualcomm Incorporated

09/27/18 / #20180278363

Enhanced channel interleaving for optimized data throughput

In a transmission scheme wherein multi-slot packet transmissions to a remote station can be terminated by an acknowledgment signal from the remote station, code symbols can be efficiently packed over the multi-slot packet so that the remote station can easily decode the data payload of the multi-slot packet by decoding only a portion of the multi-slot packet. Hence, the remote station can signal for the early termination of the multi-slot packet transmission, which thereby increases the data throughput of the system.. ... Qualcomm Incorporated

09/27/18 / #20180278347

Techniques and apparatuses for signal quality measurements for narrowband internet of things (nb-iot) devices

Techniques described herein permit a narrowband internet of things (nb-iot) user equipment (ue) to combine narrowband reference signals (nrs) with other signals, which the nb-iot ue already receives, to improve measurement accuracy. These other signals may require different modifications to be combined with the nrs depending on the type of signal. ... Qualcomm Incorporated

09/27/18 / #20180278320

Techniques for selecting an antenna sub-array at a user equipment

Techniques are described for wireless communication at a user equipment (ue) having a plurality of antenna sub-arrays. One method includes performing an initial acquisition procedure with a base station using each antenna sub-array of a first subset of antenna sub-arrays, in which the first subset includes two or more antenna sub-arrays of the plurality of antenna sub-arrays; selecting an antenna sub-array from the first subset; and performing a random access procedure with the base station using the selected antenna sub-array. ... Qualcomm Incorporated

09/27/18 / #20180278319

Techniques for beam discovery and beamforming in wireless communications

Various aspects described herein relate to techniques for beam discovery and beamforming in wireless communications (e.g., 5th generation (5g) new radio (nr)). In an aspect, a method related to signaling for channel state information reference signals (csi-rss) in wireless communications is provided. ... Qualcomm Incorporated

09/27/18 / #20180278318

Robust uplink beam management

Various aspects of the disclosure relate to managing the transmission of uplink beams. For example, a first apparatus may generate a signal for transmission to a second apparatus. ... Qualcomm Incorporated

09/27/18 / #20180278315

Differential channel state information (csi) reporting for higher resolution csi

Techniques and apparatus for differential channel state information (csi) reporting for high resolution csi are provided. One technique includes receiving a csi reference signal (csi-rs). ... Qualcomm Incorporated

09/27/18 / #20180278309

Methods for beam switching in millimeter wave systems to manage thermal constraints

Systems and methods herein remedy thermal constraints experienced by wireless communication systems operating in the millimeter wave spectrum. User equipment (ue) having a plurality of antenna subarrays controlled by respective rfics monitor temperature gradients of respective sectors of the ue. ... Qualcomm Incorporated

09/27/18 / #20180278277

Multi-band radio-frequency reception

Devices and techniques are described to extract specific frequency band signals from a wide-band radio-frequency signal. A network entity may include an antenna for receiving the wide-band radio-frequency signal and may include a receiver circuit for processing the wide-band radio-frequency signal. ... Qualcomm Incorporated

09/27/18 / #20180278272

Parity bit channel assignment for polar coding

Methods, systems, and devices for wireless communication are described that support channel selection for parity bits in polar coding techniques. In some cases, an encoder or decoder of a wireless device may assign information bits, frozen bits, and parity check bits to polar channels of an encoder or decoder based on reliability metrics. ... Qualcomm Incorporated

09/27/18 / #20180278261

Fractional clock generator with ramp control including fixed time interval and coarse/fine frequency change steps

A clock signal generator including a fractional clock divider and a frequency ramp control circuit. The fractional clock divider is configured to generate an output clock signal with a frequency being a divider ratio multiplied by a frequency of an input clock signal. ... Qualcomm Incorporated

09/27/18 / #20180277671

Compound semiconductor field effect transistor gate length scaling

A compound semiconductor transistor may include a channel layer. The compound semiconductor transistor may also include a dielectric layer on the channel layer. ... Qualcomm Incorporated

09/27/18 / #20180277657

Compound semiconductor field effect transistor with self-aligned gate

A compound semiconductor field effect transistor (fet) may include a channel layer. The semiconductor fet may also include an oxide layer, partially surrounded by a passivation layer, on the channel layer. ... Qualcomm Incorporated

09/27/18 / #20180277632

Porous semiconductor handle substrate

An integrated circuit (ic) may include an active device layer on a front-side surface of a semiconductor device substrate. The ic may also include a front-side dielectric layer having a first surface opposite a second surface, the first surface contacting the active device layer. ... Qualcomm Incorporated

09/27/18 / #20180277502

Method and apparatus for back-biased switch transistors

An integrated radio frequency (rf) circuit structure may include an active device on a first surface of an isolation layer. The integrated rf circuit structure may also include a back-bias metallization on a second surface opposite the first surface of the isolation layer. ... Qualcomm Incorporated

09/27/18 / #20180277164

Signalling of video content including sub-picture bitstreams for video coding

In various implementations, modifications and/or additions to the isobmff are provided to process video data. A plurality of sub-picture bitstreams are obtained from memory, each sub-picture bitstream including a spatial portion of the video data and each sub-picture bitstream being independently coded. ... Qualcomm Incorporated

09/27/18 / #20180276890

Advanced signalling of regions of interest in omnidirectional visual media

In various implementations, modifications and/or additions to the isobmff can indicate that a file that has been formatted according to the isobmff, or a format derived from the isobmff, includes virtual reality content. The file can include a restricted scheme information box, written into a track box in the file. ... Qualcomm Incorporated

09/27/18 / #20180276826

Sphere pole projections for efficient compression of 360-degree video

Provided are systems and methods for processing 360-degree video data. In various implementations, a spherical representation of a 360-degree video frame can be segmented into a top region, a bottom region, and a middle region. ... Qualcomm Incorporated

09/27/18 / #20180276789

Sphere equator projection for efficient compression of 360-degree video

Provided are systems and methods for processing 360-degree video data. In various implementations, a spherical representation of a 360-degree video frame can be segmented into a top region, a bottom region, and a middle region. ... Qualcomm Incorporated

09/27/18 / #20180276443

Fingerprint sensor with bioimpedance indicator

An apparatus may include an ultrasonic sensor system, a platen, a set of bioimpedance electrodes proximate the platen and a control system configured for communication with the ultrasonic sensor system and the set of bioimpedance electrodes. The control system may be further configured for controlling the ultrasonic sensor system to transmit ultrasonic waves, receiving ultrasonic sensor signals from the ultrasonic sensor system corresponding to ultrasonic waves reflected from a portion of a body in contact with the platen, receiving bioimpedance measurements from the set of bioimpedance electrodes and estimating a status of one or more biometric indicators of the portion of the body based on the ultrasonic sensor signals and the bioimpedance measurements.. ... Qualcomm Incorporated

09/27/18 / #20180276440

Multi-functional ultrasonic fingerprint sensor

Some disclosed methods involve controlling an ultrasonic sensor system to transmit ultrasonic waves and receiving signals from the ultrasonic sensor system corresponding to ultrasonic waves reflected from a finger positioned on a platen. The methods may involve obtaining fingerprint image data corresponding to the signals and determining a change in a force of at least a portion of the finger on the platen corresponding to the signals.. ... Qualcomm Incorporated

09/27/18 / #20180276439

Biometric sensor with finger-force navigation

A mobile device may include a first fingerprint sensor, including a platen, residing on a first side of the mobile device, and a display residing on a second side of the mobile device. The second side may be opposite from the first side. ... Qualcomm Incorporated

09/27/18 / #20180275976

Link time optimization in presence of a linker script using path based rules

A method for placing local symbols in an executable comprises determining an original output section for one or more symbols, storing original section metadata for each of the one or more symbols with intermediate representations of the one or more symbols, and determining an origin module identifier and storing origin module identifier metadata. The method comprises emitting each of the one or more symbols to one or more output sections based on the original section metadata and the origin module identifier metadata, extracting the original section metadata and origin module identifier metadata from the one or more symbols emitted to the one or more output sections, and overriding a name of a section with an original section name associated with the one or more symbols. ... Qualcomm Incorporated

09/27/18 / #20180275767

Enhanced input using recognized gestures

A representation of a user can move with respect to a graphical user interface based on input of a user. The graphical user interface comprises a central region and interaction elements disposed outside of the central region. ... Qualcomm Incorporated

09/27/18 / #20180272885

Systems, methods, and apparatus related to mutual detection and identification of electric vehicle and charging station

Systems, methods, and apparatus are disclosed for communicating with a charging system comprising a plurality of charging stations configured to charge an electric vehicle. At least one first signal is transmitted to the charging system via a first communication link while the electric vehicle is a first distance from at least one charging station of the plurality of charging stations. ... Qualcomm Incorporated

09/20/18 / #20180270896

Enhanced session and mobility management interaction for mobile initiated connection only mode user equipments

Certain aspects of the present disclosure relate to methods and apparatus for enhancing interaction with a user equipment in a mobile initiated connection only (mico) mode.. . ... Qualcomm Incorporated

09/20/18 / #20180270893

Broadcast or multicast physical layer configuration and channel structure

Methods, systems, and devices for wireless communication are described. Some wireless communications systems (e.g., new radio (nr) systems) may support the dynamic configuration of time intervals (or slots) for communication in a specific link direction (e.g., uplink, downlink, sidelink, etc.). ... Qualcomm Incorporated

09/20/18 / #20180270888

User plane relocation techniques in wireless communication systems

Techniques for modification of data sessions may allow changing of user plane functions (upfs) that serve a data session. A ue may identify a user plane of a first data session is to be relocated from a first upf, and may initiate a second data session with a second upf using an identification associated with the first data session. ... Qualcomm Incorporated

09/20/18 / #20180270880

Downlink and uplink transmissions for high reliability low latency communications systems

Methods, systems, and devices for wireless communication are described. Wireless communications systems as described herein may be configured to support several service types with different latency, reliability, or throughput rates or standards. ... Qualcomm Incorporated

09/20/18 / #20180270875

Discovery of controller function for wireless backhaul using cellular radio access technology

Certain aspects of the present disclosure relate to methods and apparatus for discovering a controller function for wireless backhaul using cellular radio access technology (rat) such as communications systems operating according to new radio (nr) technologies. For example, such a method may include connecting to a parent relay that provides connectivity to a controller function (cf) of a network, receiving, from the parent relay, information regarding at least one of: the cf or a radio access network (ran) area covered by the cf, obtaining an identifier of the cf using the information, and connecting to the cf using the identifier.. ... Qualcomm Incorporated

09/20/18 / #20180270853

Downlink and uplink transmissions for high reliability low latency communications systems

Methods, systems, and devices for wireless communication are described. Wireless communications systems as described herein may be configured to support several service types with different latency, reliability, or throughput rates or standards. ... Qualcomm Incorporated

09/20/18 / #20180270851

Cross-carrier scheduling for wireless devices

Methods, systems, and devices for wireless communication are described for cross-carrier scheduling for wireless devices. In an example, a wireless device may monitor a control channel on a first carrier of a plurality of carriers to obtain a grant allocating resources to the wireless device within a shared data channel. ... Qualcomm Incorporated

09/20/18 / #20180270842

Deafness reduction in preamble detection for medium sharing

Wireless communications systems and methods related to asynchronous medium sharing are provided. A first wireless communication device transmits a first channel reservation message to reserve a transmission opportunity (txop) in a shared spectrum. ... Qualcomm Incorporated

09/20/18 / #20180270840

Policy communication via control plane signaling

Techniques are described herein to communicate policy information and policy information requests between user equipments (ues) and a core network using control plane signaling. In some examples, non-access stratum (nas) messages may be used to communicate policy information requests from a ue to the core network. ... Qualcomm Incorporated

09/20/18 / #20180270838

Techniques and apparatuses for voice over long term evolution (volte) call prioritization for multiple carriers

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a plurality of resource block allocations corresponding to a plurality of carriers. ... Qualcomm Incorporated

09/20/18 / #20180270836

Channel feedback preceding downlink data transmissions in cellular iot systems

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a ue. ... Qualcomm Incorporated

09/20/18 / #20180270819

Periodic and aperiodic csi reporting procedures for enhanced licensed assisted access

In enhanced licensed assisted access (elaa), providing several approaches to report the csi measurement may be desirable to provide flexibility in csi reporting, especially in aperiodic csi reporting. Further, a difference in using a licensed carrier and an unlicensed carrier may be considered during communication. ... Qualcomm Incorporated

09/20/18 / #20180270818

Periodic and aperiodic csi reporting procedures for enhanced licensed assisted access

In enhanced licensed assisted access (elaa), providing several approaches to report the csi measurement may be desirable to provide flexibility in csi reporting, especially in aperiodic csi reporting. Further, a difference in using a licensed carrier and an unlicensed carrier may be considered during communication. ... Qualcomm Incorporated

09/20/18 / #20180270816

Multiplexing different services in wireless communications

Aspects of the present disclosure describe receiving control data for a slot of a first wireless service, where the control data indicates one or more partial slots of the slot that are intended for communications of the first wireless service. An indicator indicating whether data of the first wireless service is transmitted over at least one of the one or more partial slots can be received at a different time than the control data. ... Qualcomm Incorporated

09/20/18 / #20180270814

Mcs/rank adjustment when multiplexing data in a control region

A base station may make more efficient use of resources by transmitting data in a control region of a slot in addition to a data region. In order to avoid performance loss, the base station may adjust the data transmission in the control region in comparison to a data transmission in a data region and may signal an indication to a ue to assist the ue in receiving the data transmission in the control region. ... Qualcomm Incorporated

09/20/18 / #20180270783

Robust downlink positioning

Disclosed embodiments facilitate combining a plurality of wireless signal measurement sets with displacement measurements within some time interval of a position request to determine a user equipment (ue) position. A first set of wireless signal measurements may be obtained from a first set of base stations at a first time at a first location. ... Qualcomm Incorporated

09/20/18 / #20180270772

Synchronization signal transmission in a new radio wireless communication system

A method and apparatus for configurable synchronization signal transmissions that reduce complexity of cell synchronization in a new radio wireless communication system is disclosed. For example, the method and apparatus may include generating a first synchronization signal burst set having a first set of synchronization signal blocks, generating at least a second synchronization signal burst set having a second set of synchronization signal blocks, transmitting the first synchronization signal block over a first frequency, and transmitting the second synchronization signal block over a second frequency.. ... Qualcomm Incorporated

09/20/18 / #20180270771

User equipment operation in bandwidth narrower than synchronization signal bandwidth

A base station may identify that a user equipment (ue) supports operation within a ue bandwidth that is less than a synchronization signal bandwidth used by a wireless network to transmit a synchronization signal. The base station may then generate a synchronization signal raster (e.g., sub-raster) based at least in part on the ue bandwidth being less than the synchronization signal bandwidth. ... Qualcomm Incorporated

09/20/18 / #20180270756

Techniques and apparatuses for control channel monitoring using a wakeup signal

Techniques described herein use a wakeup signal to indicate to a user equipment (ue) whether an upcoming control channel signal resource includes information relevant to the ue. In this way, the ue can wake up to perform complex control channel signal processing only when the control channel includes signals relevant to the ue, thereby conserving battery power and resources of the ue. ... Qualcomm Incorporated

09/20/18 / #20180270744

Network service configuration and selection using network slices

Techniques are described using network slice information to negotiate and select network services by determining a set of desired required network provided functionalities; identifying a set of network slices providing one or more of the functionalities in the set of required functionalities; and communicating, to a network, a slice identifier for each slice in the set of the identified network slices.. . ... Qualcomm Incorporated

09/20/18 / #20180270734

Systems and methods for relaying an update to a target electronic display label

Disclosed are systems and methods for relaying an update to a target electronic display device within a venue. In an aspect, an access terminal component of a bridge communication device receives the update for the target electronic display device from a wireless local area network (wlan) access point of the venue, wherein the target electronic display device is one of a plurality of electronic display devices within the venue, wherein the plurality of electronic display devices form a low-energy mesh network, and wherein each electronic display device comprises a low-energy short-range wireless network component coupled to an electronic display. ... Qualcomm Incorporated

09/20/18 / #20180270712

Prioritizing incompatible network slices

Certain aspects of the present disclosure relate to methods and apparatus for prioritizing incompatible network slices in wireless communications systems operating according to new radio (nr) technologies. An exemplary method that may be performed by a ue includes sending a request to connect to a set of network slices, wherein the request comprises at least one priority associated with at least one network slice in the set of network slices, and receiving signaling indicating a set of allowed network slices in response to the request.. ... Qualcomm Incorporated

09/20/18 / #20180270705

Group indicator for code block group based retransmission in wireless communication

Aspects of the present disclosure provide a code block group (cbg) based harq retransmission process in which harq retransmission is performed based on cbg units. The cbg based harq process uses a cbg failure mask that can reduce the signaling overhead of cbg-based harq retransmissions. ... Qualcomm Incorporated

09/20/18 / #20180270693

Inter-frequency bias compensation for time difference measurements in position determinations

A method for use in a server comprising a computing platform comprising obtaining a first measurement of a time difference of arrival between a first positioning signal and a second positioning signal, the first positioning signal having and second positioning signal having been transmitted at different frequencies, obtaining a measurement description from the mobile device, in response to a determination that the measurement description indicates that the first measurement has not been compensated, by the mobile device, for inter-frequency related delays corresponding to the first frequency, the second frequency, or both the first frequency and the second frequency determining an inter-frequency bias compensation for the inter-frequency related delays corresponding to the first measurement, applying the inter-frequency bias compensation to the first measurement to generate a compensated measurement, and determining, at least in part, a position of the mobile device based, at least in part, on the compensated measurement.. . ... Qualcomm Incorporated

09/20/18 / #20180270691

Techniques for mitigating interference for transmissions of a periodic multi-beam discovery reference signal

Techniques are described for wireless communication. One method for wireless communication at a base station includes transmitting, on a plurality of beams, a discovery reference signal (drs) in a first instance of a periodic multi-beam drs. ... Qualcomm Incorporated

09/20/18 / #20180270689

Techniques and apparatuses for beam management

A user equipment (ue) may operate in a reception mode that includes a set of sleep cycles and a set of wake cycles. During a sleep cycle of the ue, a signal quality of an active beam carrying a control channel or a data channel may degrade. ... Qualcomm Incorporated

09/20/18 / #20180270682

Radio measurement and configuration

Methods, systems, and apparatuses for wireless communication are described. A user equipment (ue) may receive information from a network node. ... Qualcomm Incorporated

09/20/18 / #20180270671

Physical-layer cell identity (pci) selection

Disclosed embodiments pertain to pci planning and selection. A base station may select a pci value from available pci values, where the selected pci value may be associated with a prs frequency that is different from prs frequencies of neighboring base stations. ... Qualcomm Incorporated

09/20/18 / #20180270666

Network access privacy

The present disclosure provides techniques that may be applied, for example, in a multi-slice network for maintaining privacy when attempting to access the network. An exemplary method generally includes transmitting a registration request message to a serving network to register with the serving network; receiving a first confirmation message indicating a secure connection with the serving network has been established; transmitting, after receiving the first confirmation message, a secure message to the serving network comprising an indication of at least one configured network slice that the ue wants to communicate over, wherein the at least one configured network slice is associated with a privacy flag that is set; and receiving a second confirmation message from the serving network indicating that the ue is permitted to communicate over the at least one configured network slice.. ... Qualcomm Incorporated

09/20/18 / #20180270592

Audio correlation selection scheme

The disclosure generally relates to connecting wireless devices based on a correlation between different audio sources. For example, according to various aspects, a first wireless device may capture sound via a microphone and receive audio content from a second wireless device via a wireless receiver. ... Qualcomm Incorporated

09/20/18 / #20180270500

Affine motion information derivation

Techniques and systems are provided for deriving one or more sets of affine motion parameters at a decoder. For example, the decoder can obtain video data from an encoded video bitstream. ... Qualcomm Incorporated

09/20/18 / #20180270480

Enhanced deblocking filtering design in video coding

A video encoder reconstructs pixels of a current block and applies a deblocking filter to the reconstructed pixels of the current block to derive deblocking-filtered reconstructed pixels of the current block. Furthermore, the video encoder calculates distortion values based on values of the deblocking-filtered reconstructed pixels of the current block and original pixels of the current block. ... Qualcomm Incorporated

09/20/18 / #20180270150

Ip level multipath protocol

Systems, methods, and devices of the various embodiments provide for multipath transport of internet protocol (ip) packets by an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, ip packets may be extended to include tracking information. ... Qualcomm Incorporated

09/20/18 / #20180270088

Channel estimation enhancements

The disclosure relates in some aspects to techniques for improved channel estimation. For example, a device can specify a pilot structure where pilot density differs over time. ... Qualcomm Incorporated

09/20/18 / #20180270076

Smart networking of traditional appliances

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for an appliance interface apparatus. In some implementations, the appliance interface apparatus enables network-based control of a traditional appliance. ... Qualcomm Incorporated

09/20/18 / #20180270049

Techniques for preventing abuse of bootstrapping information in an authentication protocol

Aspects of the present disclosure implement techniques that allow an enrollee (e.g., dpp-ap or other dpp devices) to be informed of the bootstrapping method selected by a device (e.g., sta) when initiating onboarding. As such, in one example, authentication requests from the device may additionally carry information that inform the network of the bootstrapping method (e.g., qr-code, nfc, wi-fi aware, wi-fi direct) selected by the device. ... Qualcomm Incorporated

09/20/18 / #20180270023

Techniques for signaling compressed harq or retransmission information between a base station and a user equipment

Techniques are described for wireless communication. One method includes receiving, at a user equipment (ue), a transport block (tb) that includes a plurality of code block groups (cbgs); determining cbg failure information identifying a set of one or more cbgs in the tb that failed to decode at the ue; determining a compressed representation of the cbg failure information; and transmitting, in response to receiving the tb, hybrid automatic repeat request (harq) information including the compressed representation of the cbg failure information. ... Qualcomm Incorporated

09/20/18 / #20180270022

Multi-harq methods and apparatus for codeblock group based transmissions

In an aspect of the disclosure an apparatus, e.g., a base station, maybe configured to receive, from a ue, ack/nack feedback indicating that a subset of cbgs of a set of transmitted cbgs failed to be properly decoded. The apparatus maybe further configured to retransmit the subset of cbgs based on the ack/nack feedback and transmit information indicating the cbgs being retransmitted. ... Qualcomm Incorporated

09/20/18 / #20180270017

Distributed feedback architecture for polar decoding

A wireless device may decode a polar coded codeword using a successive cancellation list (scl) decoder. The decoder may implement a distributed feedback architecture, where the decoder stores one or more state maps and a set of bit arrays in memory for each layer of decoding. ... Qualcomm Incorporated

09/20/18 / #20180269970

Transmission of identifiers using visible light communication

Methods, systems, and devices are described for transmitting an identifier using visible light communication (vlc) and for generating a plurality of identifiers for transmission using vlc. Input identifying an illumination factor associated with a light source is received. ... Qualcomm Incorporated

09/20/18 / #20180269962

Coverage enhancement mode switching for wireless communications using shared radio frequency spectrum

Described techniques provide for switching a user equipment (ue) between different coverage enhancement (ce) modes, such as between a non-ce mode and a ce mode. A ue may determine that a ce mode switch is to be performed and may initiate the mode switching. ... Qualcomm Incorporated

09/20/18 / #20180269959

Satellite communication location reporting and paging

The disclosure relates in some aspects to location reporting and paging for satellite communication. In one aspect, the disclosure relates to a user terminal (ut) sending a message to report information about the ut's location. ... Qualcomm Incorporated

09/20/18 / #20180269956

Techniques and apparatuses for beam management

A user equipment (ue) may operate in a reception mode that includes a set of sleep cycles and a set of wake cycles. During a sleep cycle of the ue, a signal quality of an active beam carrying a control channel or a data channel may degrade. ... Qualcomm Incorporated

09/20/18 / #20180269954

Sensor-driven systems and methods to activate and deactivate beam scanning

The apparatus is configured to performing a beam scan operation. The beam scan operation may be part of an active beam scanning process. ... Qualcomm Incorporated

09/20/18 / #20180269950

Rlm monitoring using signaled dynamic parameter

In order to provide a more robust rlm procedure for 5g/nr, a base station may provide a dynamic relationship between a pdcch and another reference signal (e.g., ss/csi-rs) to a ue. For example, an apparatus may receive an adjustment parameter regarding a pdcch from a base station. ... Qualcomm Incorporated

09/20/18 / #20180269947

Techniques for reception beam refinement

Techniques for synchronized reception beam refinement are described herein. A base station may indicate to a user equipment (ue) a time when a reception beam refinement event may occur. ... Qualcomm Incorporated

09/20/18 / #20180269943

Wideband sector sweep using wideband training (trn) field

Certain aspects of the present disclosure generally relate to beamforming training. For example, certain aspects of the present disclosure provide an apparatus for wireless communications. ... Qualcomm Incorporated

09/20/18 / #20180269940

Multi-user multiple-input multiple-output (mu-mimo) feedback protocol

A method includes sending, from an access point of a wireless network to a first station of a plurality of stations of the wireless network, a packet including a preamble, a data portion, and trigger data that includes non-precoded, omni-direction data. The preamble precedes the data portion. ... Qualcomm Incorporated

09/20/18 / #20180269898

Code block group definition configuration for wireless communication

Aspects of the present disclosure provide various apparatuses and methods for retransmitting code blocks (cbs) and code block group (cbg) definitions that can improve cbg-based data retransmission efficiency. When an interference pattern is bursty and does not align with cbg or symbol boundary, the disclosed cbg definitions can reduce or avoid retransmission of successfully received cbs along with the cbs that need to be retransmitted.. ... Qualcomm Incorporated

09/20/18 / #20180269839

Amplifier with nonlinearity compensation

An apparatus includes a reference voltage circuit having a bandgap input and a reference voltage output. The apparatus also includes a digital-to-analog converter (dac) coupled to the reference voltage output and having a digital signal input. ... Qualcomm Incorporated

09/20/18 / #20180269714

Double-d split coil winding

Techniques for manufacturing an induction coil for use in a wireless power transfer system are provided. An example of a wireless power transfer device according to the disclosure includes a first combined ferrite and coil holder and a second combined ferrite and coil holder, such that the first combined ferrite and coil holder and the second combined ferrite and coil holder are separate components, a first coil disposed on the first combined ferrite and coil holder, and a second coil disposed on the second combined ferrite and coil holder, such that the second combined ferrite and coil holder is adjacent to and coplanar with the first combined ferrite and coil holder, and the first coil and the second coil are operably coupled to one another.. ... Qualcomm Incorporated

09/20/18 / #20180269709

Adjustable-length wireless power transmitter

A wireless charging device includes: a base configured to be worn by a user; and a coil attached to the base and comprising an electrically conductive material shaped to produce a magnetic field to convey power wirelessly to a receiver in response to receiving power, the coil including multiple turns each having a turn length with at least one of the multiple turns having an adjustable turn length, the multiple turns being disposed along a common axis such that each of the multiple turns is disposed around the axis for the respective turn length of the turn.. . ... Qualcomm Incorporated

09/20/18 / #20180269585

Hybrid feed technique for planar antenna

In an aspect, an apparatus may be an apparatus for wireless communication. The apparatus for wireless communication may include a transceiver, a memory, and at least one processor coupled to the memory and configured to execute instructions stored in the memory to control the transceiver. ... Qualcomm Incorporated

09/20/18 / #20180269186

Low profile integrated package

A package that includes a substrate comprising an interposer interconnect and a cavity, a redistribution portion coupled to the substrate, the redistribution comprising a plurality of redistribution interconnects, and a first die coupled to the redistribution portion through the cavity of the substrate. A substantial region between a side surface of the first die and the substrate is free of an encapsulation layer. ... Qualcomm Incorporated

09/20/18 / #20180268839

Estimation of mixing factors to generate high-band excitation signal

A method includes generating a high-band residual signal based on a high-band portion of an audio signal. The method also includes generating a harmonically extended signal at least partially based on a low-band portion of the audio signal. ... Qualcomm Incorporated

09/20/18 / #20180268828

Target sample generation

A method of encoding audio channels includes receiving two or more channels at an encoder and identifying a target channel and a reference channel. The target channel and the reference channel are identified from the two or more channels based on a mismatch value. ... Qualcomm Incorporated

09/20/18 / #20180268601

Three-dimensional pose estimation of symmetrical objects

The present disclosure describes methods, apparatuses, and non-transitory computer-readable mediums for estimating a three-dimensional (“3d”) pose of an object from a two-dimensional (“2d”) input image which contains the object. Particularly, certain aspects of the disclosure are concerned with 3d pose estimation of a symmetric or nearly-symmetric object. ... Qualcomm Incorporated

09/20/18 / #20180268563

Methods and systems for performing sleeping object detection in video analytics

Methods, apparatuses, and computer-readable media are provided for maintaining blob trackers for video frames. For example, a blob tracker maintained for a current video frame is identified. ... Qualcomm Incorporated

09/20/18 / #20180268517

Adaptive perturbed cube map projection

Methods and systems for processing video data are provided. For example, a video bitstream can be obtained that includes a video frame of a spherical representation of 360-degree video data. ... Qualcomm Incorporated

09/20/18 / #20180268516

Adaptive perturbed cube map projection

Methods and systems for processing video data are provided. In one example, a first video bitstream can be obtained, which can include video frames of a spherical representation of 360-degree video data. ... Qualcomm Incorporated

09/20/18 / #20180268187

Ultrasonic fingerprint sensor with acoustic shielding

Disclosed are methods, devices, apparatuses, and systems for ultrasonic fingerprint sensing with an acoustic shielding structure. One or more layers in an ultrasonic fingerprint sensing system may reflect back ultrasonic waves due to acoustic impedance mismatch that can distort a fingerprint image. ... Qualcomm Incorporated

09/20/18 / #20180268088

Hybrid clock gating methodology for high performance cores

A computer-implemented method for generating a circuit design is provided according to certain aspects. The method includes determining a gating efficiency of first gate-enable logic, determining a gating efficiency of second gate-enable logic, and determining one of the first gate-enable logic and the second gate-enable logic having a greater one of the determined gating efficiencies. ... Qualcomm Incorporated

09/20/18 / #20180267916

Enhanced serial peripheral interface

A modified serial peripheral interface (spi) is provided in each of a master device and a plurality of slave devices that does not use a slave select line. The master device may thus engage in full-duplex serial communication with each slave device through an spi mosi line, an spi miso line, and an spi clock line.. ... Qualcomm Incorporated

09/20/18 / #20180267721

Methods and apparatuses for copying a data page in an unmanaged flash memory device

The present disclosure provides methods for copying a data page in a flash memory device using a flash memory controller. A method may comprise receiving, at the host flash controller, a copy command from a host processor, in response to the copy command, transmitting a read command to the unmanaged flash memory storage device via a bus, wherein the read command indicates particular data, receiving the particular data from the unmanaged flash memory storage device via the bus, storing the particular data in a data buffer included in the host flash controller, and transmitting to the unmanaged flash memory storage device, via the bus, a write command to write the particular data.. ... Qualcomm Incorporated

09/20/18 / #20180267598

Quick energy efficient reboot from ultra-low power mode for a system on a chip

A method for reducing power in a system is provided according to aspects of the present disclosure. The system includes a chip, and a volatile memory. ... Qualcomm Incorporated

09/20/18 / #20180267595

Power reduction via memory efficiency compensation

Aspects of the present disclosure provide a method of operating a system-on-chip (soc). The method includes determining efficiency of a memory of the soc over a defined period of time, calculating an adjusted bandwidth for operating the memory based on the determined efficiency, and adjusting at least one of a voltage or a clock of the memory corresponding to the adjusted bandwidth.. ... Qualcomm Incorporated

09/20/18 / #20180266991

Magneto-impedance (mi) sensors employing current confinement and exchange bias layer(s) for increased sensitivity

Magneto-impedance (mi) sensors employing current confinement and exchange bias layer(s) for increased mi sensitivity are disclosed. Mi sensors may be used as biosensors to detect biological materials. ... Qualcomm Incorporated

09/20/18 / #20180265095

Safe driving support via automotive hub

A method for providing safe-driving support of a vehicle includes obtaining occupant data and vehicle data received at a vehicle hub. The occupant data is related to an identity and health status of an occupant and the vehicle data is related to a status of the vehicle. ... Qualcomm Incorporated

09/06/18 / #20180255607

Beam management for connected mode discontinuous reception operation

Methods, systems, and devices for wireless communication are described. A base station may transmit a ue-specific beam management parameter to a user equipment (ue) in a connected mode discontinuous reception (c-drx) off state. ... Qualcomm Incorporated

09/06/18 / #20180255589

Random access request regulation techniques for wireless stations

Methods, systems, and devices for wireless communication are described. An access point (ap) may configure one or more trigger frames, which may include a number of random access resource units (rus). ... Qualcomm Incorporated

09/06/18 / #20180255584

Channel reservation signal design for shared spectrum

Methods, systems, and devices for wireless communication are described. A wireless device may use a subband of a frequency domain channel as a dedicated channel reservation (cr) sub-channel. ... Qualcomm Incorporated

09/06/18 / #20180255573

Methods and apparatus for multi-channel medium access control protocol

Methods and apparatuses for communicating in a wireless communication network are disclosed. For example, one method includes determining, by a first access point, a polling schedule for communicating with one or more wireless stations on a first wireless communication channel, the polling schedule for a second access point on a second wireless communication channel. ... Qualcomm Incorporated

09/06/18 / #20180255570

Random access request regulation techniques for wireless stations

Methods, systems, and devices for wireless communication are described. An access point (ap) may configure one or more trigger frames, which may include a number of random access resource units (rus). ... Qualcomm Incorporated

09/06/18 / #20180255561

Soft channel reservation

Soft channel reservation in shared spectrum networks is discussed. In network areas where multiple wireless nodes, whether from the same or different network operators, share spectrum using a channel reservation signaling form of contention resolution, an aggressor transmitter listens for a neighbor receiver's receiver channel reservation signal to the neighbor transmitter the neighbor receiver is in communication with. ... Qualcomm Incorporated

09/06/18 / #20180255553

Channel raster design in wireless communications

Aspects of the present disclosure describe determining an uplink channel raster for determining frequency location of an uplink channel over which to transmit uplink communications to a base station. Uplink communications can be transmitted to the base station over the uplink channel. ... Qualcomm Incorporated

09/06/18 / #20180255532

Signaling for multiplexing of low latency communication and sidelink communications

Methods, systems, and devices for wireless communication are described. In an fdd system, a ue may identify an indicator associated with ultra-reliable low latency communications (urllc) while communicating in a sidelink channel. ... Qualcomm Incorporated

09/06/18 / #20180255517

Uplink power control in multi-user unlicensed wireless networks

Methods and systems of providing uplink (ul) transmission power control are provided. The ul transmission power control is provided between access points (aps) and wireless stations in a multi-user (mu) unlicensed wireless network. ... Qualcomm Incorporated

09/06/18 / #20180255514

Dynamic frequency selection channel friendly wake-up radio operations

Techniques and apparatus for wake-up radio (wur) operations are provided. One technique includes communicating with one or more wireless devices via a first radio operating on a first channel. ... Qualcomm Incorporated

09/06/18 / #20180255486

Adaptively supplementing wlan throughput with wwan data

Examples described herein relate to supplementing wireless local area network (wlan) connection of a wireless having multiple subscriber identity modules (sims) in which at least one of the sims is associated with a designated data service (dds) subscription. A method includes connecting the wireless communication device with a wireless local area network (wlan), receiving a request for transferring data, determining whether a wlan link rate of the wireless communication device is less than a link rate threshold, transferring the data over the wlan in response to determining that the wlan link rate is not less than the link rate threshold, and transferring a first portion of the data over the wlan and a second portion of the data via the dds subscription in response to determining that the wlan link rate is less than the link rate threshold.. ... Qualcomm Incorporated

09/06/18 / #20180255482

Adaptive resource negotiation between base stations for enhanced interference coordination

Methods and apparatus for supporting adaptive resource negotiation between evolved node bs (enbs) for enhanced inter-cell interference coordination (eicic) are provided. This resource negotiation may occur via a network backhaul between the enbs or, in some cases, using over-the-air messages (oams). ... Qualcomm Incorporated

09/06/18 / #20180255472

Reference signal measurement and reporting for new radio (nr) systems

Methods, systems, and devices for wireless communication are described for reference signal measurement and reporting for new radio systems. A user equipment (ue) and a base station may coordinate for identifying a particular beam and subarray pair for communication. ... Qualcomm Incorporated

09/06/18 / #20180255324

Hrd descriptor and buffer model of data streams for carriage of hevc extensions

A video processing device obtains a data stream comprising a plurality of elementary streams and a high efficiency video coding (hevc) timing and hypothetical reference decoder (hrd) descriptor. The hevc timing and hrd descriptor comprises a target schedule index syntax element indicating an index of a delivery schedule. ... Qualcomm Incorporated

09/06/18 / #20180255323

Coding mcts-nested sei messages

An example device for processing video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to decode a supplemental enhancement information (sei) network abstraction layer (nal) unit of a video bitstream including the video data, the sei nal unit containing a motion constrained tile sets (mcts) nesting sei message; determine that the sei nal unit does not contain any non-mcts-nesting sei messages in response to the sei nal unit containing the mcts nesting sei message; and decode subsequent sei messages of the sei nal unit as mcts nesting sei messages in response to the determination.. . ... Qualcomm Incorporated

09/06/18 / #20180255322

Coding mcts-eis sei messages of an access unit

An example device for processing video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to determine whether an access unit of the video data includes a temporal motion constrained tile sets (mcts) supplemental enhancement information (sei) message; and decode an mcts extraction information set (mcts-eis) sei message of the access unit only when the access unit includes the temporal mcts sei message.. . ... Qualcomm Incorporated

09/06/18 / #20180255305

Coding identifiers for motion constrained tile sets

An example device for processing video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to determine a value of a syntax element of a temporal motion constrained tile sets (mcts) supplemental enhancement information (sei) message of an access unit, wherein the value of the syntax element represents whether all tiles of one or more corresponding pictures are included in separate mctss; and when the value of the syntax element indicates that the tiles of the corresponding pictures are not included in the separate mctss, set an mcts identifier of the mcts of a current picture of the access unit equal to a value of an index of the mcts, the current picture being one of the corresponding pictures.. . ... Qualcomm Incorporated

09/06/18 / #20180255296

Extracting mcts sub-bitstreams for video coding

An example device for processing video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to determine to extract a motion constrained tile sets (mcts) sub-bitstream from an original bitstream including the video data based at least in part on information of an mcts extraction information set (mcts-eis) supplemental enhancement information (sei) message; and in response to determining to extract the mcts sub-bitstream, omit all sei network abstraction layer (nal) units that contain non-mcts-nested sei messages from inclusion in the extracted mcts sub-bitstream, regardless of a value of a nal unit header layer identifier value for the non-mcts-nested sei messages.. . ... Qualcomm Incorporated

09/06/18 / #20180254877

Uplink multi-bits acknowledgement for self contained transmissions

Aspects described herein relate to communicating feedback in wireless communications. A user equipment (ue) can receive, in a downlink portion of a slot, data communications from a base station, where the data communications comprise multiple code blocks received in one or more downlink symbols. ... Qualcomm Incorporated

09/06/18 / #20180254861

Ambiguous confirmation message resolution

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one configuration, the apparatus may be configured to determine when to send an acknowledgment (ack) frame, a block ack frame, and/or an all-ack frame in response to receiving a frame/physical layer convergence procedure (plcp) protocol data unit (ppdu). ... Qualcomm Incorporated

09/06/18 / #20180254859

Controlling random-access channel (rach) retransmissions for wireless communication

Various aspects of the disclosure provide for methods of communication. One method, at a base station, involves determining a maximum number of consecutive msg1 retransmissions that a user equipment (ue) is permitted to perform, and transmitting the maximum number of consecutive msg1 retransmissions to the ue. ... Qualcomm Incorporated

09/06/18 / #20180254797

System and method for detection of cell-specific reference signals

An apparatus may receive a downlink subframe from a serving base station. The downlink subframe may include interference associated with a second subframe transmitted by an intra-frequency neighboring cell (ifnc). ... Qualcomm Incorporated

09/06/18 / #20180254796

Data transmission in synchronization slots

Certain aspects of the present disclosure relate to methods and apparatus for data transmission in synchronization slots. A method for use by a base station for data transmission in synchronization slots includes transmitting a synchronization signal (ss) burst, wherein different ss blocks of the burst are transmitted using different transmit beams and performing frequency division multiplexing (fdm) or time division multiplexing (tdm) to include one or more other types of signals that need to be multicast and are also transmitted using the different transmit beams.. ... Qualcomm Incorporated

09/06/18 / #20180254772

Master-slave level shifter array architecture with pre-defined power-up states

A master-slave level shifter array includes an asymmetric master level shifter having a predefined output state that produces an enable signal to drive an array of symmetric slave level shifters during a power collapse. As a result, the slave level shifter array has a reliable output state during a power collapse, while also providing wafer area savings due to their small symmetric characteristics.. ... Qualcomm Incorporated

09/06/18 / #20180254631

Power receiving unit for charging while in pre-overvoltage protection

The present disclosure describes a power receiving unit for charging while in pre-overvoltage protection. In some aspects, reduced operation of an electronic implant device is initiated before resorting to overvoltage protection. ... Qualcomm Incorporated

09/06/18 / #20180254194

Gettering layer formation and substrate

An integrated circuit (ic) device may include a substrate having an active device layer. The integrated circuit may also include a first defect layer. ... Qualcomm Incorporated

09/06/18 / #20180254065

Methods and systems for splitting non-rigid objects for video analytics

Methods, apparatuses, and computer-readable media are provided for splitting one or more merged blobs for one or more video frames. For example, a merged blob detected for a current video frame is identified. ... Qualcomm Incorporated

09/06/18 / #20180253875

Systems and methods for content-adaptive image stitching

A method for stitching images by an electronic device is described. The method includes obtaining at least two images. ... Qualcomm Incorporated

09/06/18 / #20180253848

Methods and systems for splitting merged objects in detected blobs for video analytics

Methods, apparatuses, and computer-readable media are provided for splitting one or more merged blobs for one or more video frames. A blob detected for a current video frame is identified. ... Qualcomm Incorporated

09/06/18 / #20180253556

Selective restoration and authentication of a secure image

Techniques for operating a computing device in one or more power modes are provided. An example method for operating a computing device according to these techniques includes determining whether a threshold condition for exiting a first power mode has been satisfied, identifying one or more segments of a volatile memory that were powered down while the computing device was operating in the first power mode responsive to the threshold condition being satisfied, identifying one or more segments of software that were stored in the one or more segments of the volatile memory that were powered down, restoring, from a non-volatile memory, the one or more segments of the software to the one or more segments of the volatile memory that were powered down, and authenticating the one or more segments of the software.. ... Qualcomm Incorporated

09/06/18 / #20180253314

Selectable boot cpu

Various additional and alternative aspects are described herein. In some aspects, the present disclosure provides a method of operating a system-on-chip (soc). ... Qualcomm Incorporated

09/06/18 / #20180253258

Transaction elimination using metadata

Various aspects are described herein. In some aspects, the present disclosure provides a method of communicating data between an electronic unit of a system-on-chip (soc) and a dynamic random access memory (dram). ... Qualcomm Incorporated

09/06/18 / #20180253236

System and method for dynamic control of shared memory management resources

A method and system for dynamic control of shared memory resources within a portable computing device (“pcd”) are disclosed. A limit request of an unacceptable deadline miss (“udm”) engine of the portable computing device may be determined with a limit request sensor within the udm element. ... Qualcomm Incorporated

09/06/18 / #20180253212

System and methods for extending effective reach of a user's finger on a touchscreen user interface

A user interface implemented on a mobile device touchscreen may detect a user input to the touchscreen triggering activation of an expanded reach mode. In an expanded reach mode, implemented functions may include identifying a touch location based on a detected touch event on the touchscreen, identifying a selectable graphical user interface (gui) object having an edge closest to a touch-extension position that is based on the identified touch location, selecting the identified gui object as a closest gui object and displaying a first selection indicator in association with the identified gui object, and determining whether the identified gui object has remained the closest gui object for longer than a predetermined time threshold. ... Qualcomm Incorporated

09/06/18 / #20180253145

Enabling augmented reality using eye gaze tracking

Methods and apparatus relating to enabling augmented reality applications using eye gaze tracking are disclosed. An exemplary method according to the disclosure includes displaying an image to a user of a scene viewable by the user, receiving information indicative of an eye gaze of the user, determining an area of interest within the image based on the eye gaze information, determining an image segment based on the area of interest, initiating an object recognition process on the image segment, and displaying results of the object recognition process.. ... Qualcomm Incorporated

09/06/18 / #20180253138

Asymmetric power states on a communication link

Asymmetric power states on a communication link are disclosed. In one aspect, the communication link is a peripheral component interconnect (pci) express (pcie) link. ... Qualcomm Incorporated

09/06/18 / #20180253129

Current in-rush mitigation for power-up of embedded memories

A programmable logic circuit such as a finite state machine is provided that is configured to determine a memory array power-up sequence from a configuration signal to successively enable each memory array. A delay circuit triggers an initial memory bank in each enabled memory array to power-up without a delay. ... Qualcomm Incorporated

09/06/18 / #20180252795

Enhancing indoor positioning using passive acoustic tags

Techniques for positioning using acoustic tags are provided. An example method for determining a location of a mobile device includes receiving acoustic tag information with the mobile device, the acoustic tag information is associated with an appliance, detecting an acoustic signal with the mobile device, determining a correlation value for the acoustic signal and the acoustic tag information, identifying at least one appliance and a corresponding appliance location based on the correlation value, and determining the location of the mobile device based at least in part on an appliance location.. ... Qualcomm Incorporated

09/06/18 / #20180251122

Systems and methods for operating a vehicle based on sensor data

A method performed by an electronic device is described. The method includes obtaining sensor data corresponding to multiple occupants from an interior of a vehicle. ... Qualcomm Incorporated

08/23/18 / #20180242384

Bandwidth aggregation for wireless local area networks

Methods, systems, and devices for wireless communication are described that provide for bandwidth aggregation for wireless local area network (wlan) systems. A first device may monitor multiple anchor channels of at least one radio frequency (rf) spectrum band, and receive, from another device, a bandwidth aggregation indication on an anchor channel of the monitored plurality of anchor channels. ... Qualcomm Incorporated

08/23/18 / #20180242348

Techniques for configuring or transmitting grantless transmissions on beams in uplink subframes

A method for wireless communication at a user equipment (ue) includes receiving timing information and a time-frequency resource configuration for an uplink subframe; selecting at least a first set of time-frequency resources of the uplink subframe on which to transmit; and transmitting a grantless transmission on at least the first set of time-frequency resources. The time-frequency resource configuration identifies a correspondence between at least one receive beam in a set of one or more receive beams and at least one set of time-frequency resources in one or more sets of time-frequency resources of the uplink subframe. ... Qualcomm Incorporated

08/23/18 / #20180242344

Spatial-time fair scheduling for su and mu transmission based on physical layer capabilities

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus may be configured to determine a scheduling metric for each respective station of a plurality of stations. ... Qualcomm Incorporated

08/23/18 / #20180242330

Interference aware reciprocal channel sounding reference signal

Systems, devices, and methods associated with interference aware sounding reference signals are provided. A method for wireless communication includes receiving, at a wireless communication device in communication with a first base station, an interfering signal from a second base station (or other base stations); determining, at the wireless communication device, a spatial direction of the interfering signal; and transmitting, with the wireless communication device, a signal to the first base station based on the spatial direction of the interfering signal. ... Qualcomm Incorporated

08/23/18 / #20180242328

Physical uplink control management in lte/lte-a systems with unlicensed spectrum

Uplink control channel management is disclosed for lte/lte-a communication systems with unlicensed spectrum in which two or more physical resource blocks (prbs) are allocated for uplink control channel transmission. The uplink control information (uci) payload may be determined based on clear channel assessment (cca) information associated with carriers scheduled for transmission of the uci data. ... Qualcomm Incorporated

08/23/18 / #20180242324

Usage of synchronization signal block index in new radio

A base station may determine an ss block index associated with an ss block for transmission, and may scramble information based on at least a portion of the determined ss block index. The information may include at least one of a reference signal, data, paging information, control information, broadcast information, or a crc associated with control information. ... Qualcomm Incorporated

08/23/18 / #20180242319

Scheduling and/or scheduling configuration

Methods, systems, and devices for wireless communication are described for improved scheduling and/or scheduling configuration. A base station may receive, from a user equipment (ue), an indication of one or more ue capabilities. ... Qualcomm Incorporated

08/23/18 / #20180242315

Feedback-based retransmission using mixed-duration transmission time intervals

Techniques are described that provide for generation of a first transport block (tb) that includes a number of code blocks (cbs) that are transmitted to a receiver during a first transmission time interval (tti) having a first duration, and retransmission of any unsuccessfully received cbs in a second tti having a duration that is selected from multiple available tti durations. The second tti may have a second tti duration that is shorter than the first tti duration, and may have cbs only from the first tb. ... Qualcomm Incorporated

08/23/18 / #20180242307

Ultra-low latency lte reference signal transmission

Various aspects described herein relate to communicating in a wireless network. A resource grant comprising an indicator of whether to transmit a demodulation reference signal (rs) for an uplink control channel or an uplink data channel can be received from a network entity. ... Qualcomm Incorporated

08/23/18 / #20180242277

Paging user equipments on a shared communication medium

In an embodiment, an apparatus (e.g., enb) pages ues on a shared communication. The apparatus obtains paging message(s) for transmission to ues with different coverage levels. ... Qualcomm Incorporated

08/23/18 / #20180242276

Paging for mmw shared radio frequency spectrum bands

Methods, systems, and devices for wireless communication are described. The described techniques provide for transmitting, at a base station, a contention exempt broadcast paging message that includes partial paging information for a user equipment (ue), receiving a random access request message transmitted by a ue in response to the broadcast paging message, and transmitting a unicast paging message which includes complete paging information. ... Qualcomm Incorporated

08/23/18 / #20180242245

Power saving via phy firmware island

Aspects provide techniques and apparatus for wireless communications (e.g., for saving power when performing control channel processing when in an idle mode or in a “pdcch only” in connected mode). An exemplary method includes performing, using a processor, a first type of control channel processing in a first connection state using a firmware image stored in internal memory of the processor, wherein performing control channel processing comprises accessing memory external to the processor, determining one or more conditions for entering a low-power mode (lpm) associated with the processor are satisfied, entering the lpm based on the determination, wherein entering into the lpm includes at least one of disabling or disallowing access to the external memory based on entering the lpm, and performing, using the processor, a second type of control channel processing using the firmware image stored in internal memory of the processor based on entering the lpm.. ... Qualcomm Incorporated

08/23/18 / #20180242232

Multi-beam and single-beam discovery reference signals for shared spectrum

Methods, systems, and devices for wireless communications are described. The method may include determining multiple transmission beams (e.g., beamformed directional beams) for transmission of an opportunistic or multi-beam discovery reference signal (drs) over a shared radio frequency spectrum band. ... Qualcomm Incorporated

08/23/18 / #20180242225

Wireless communications over unlicensed radio frequency spectrum

Techniques for transmitting and receiving wireless communications over an unlicensed radio frequency spectrum band are disclosed, including techniques for transmitting and receiving system information blocks over the unlicensed radio frequency spectrum band, techniques for gaining access to the unlicensed radio frequency spectrum band by performing extended clear channel assessments (eccas), techniques for transmitting and receiving synchronization signals and reference signals over the unlicensed radio frequency spectrum band, techniques for identifying starting times of downlink transmissions over the unlicensed radio frequency spectrum band, techniques for transmitting and receiving clear channel assessment (cca)-exempt transmissions over the unlicensed radio frequency spectrum band, techniques for performing random access over the unlicensed radio frequency spectrum band, and techniques for dynamically modifying a transmission mode over the unlicensed radio frequency spectrum band.. . ... Qualcomm Incorporated

08/23/18 / #20180242223

Techniques for signaling a public land mobile network identifier over a shared radio frequency spectrum band

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes receiving an instance of a discovery reference signal (drs) on a beam over a shared radio frequency spectrum band; determining a public land mobile network identifier (plmn id) based at least in part on a time-frequency location of the instance of the drs; and selectively performing a random access procedure based at least in part on the determined plmn id. ... Qualcomm Incorporated

08/23/18 / #20180242184

Measurement and reporting enhancements for shared spectrum

Aspects of the disclosure provide methods and apparatus for enhanced reporting in for a ue operating in a shared spectrum. The ue may detect at least one parameter associated with a non-serving base station (bs) operating in a same spectrum as a serving bs and report, to the serving bs, an indication of the (at least one) parameter.. ... Qualcomm Incorporated

08/23/18 / #20180242163

Co-existence mechanisms for shared spectrum and unlicensed spectrum

Co-existence mechanisms for shared spectrum and unlicensed spectrum are disclosed. Several base stations, from one or more network operators, share a communication spectrum in a base non-contention procedure state. ... Qualcomm Incorporated

08/23/18 / #20180242156

Subsystem for authorization and activation of features

One or more selectively activated features needed at a device to use a network service may be identified. Authorization information and feature activation key(s) associated with features that the device has been authorized to activate may be obtained at the device. ... Qualcomm Incorporated

08/23/18 / #20180242130

Method to improve connectivity to a wireless low energy peripheral device when being accessed by multiple central devices

A peripheral device can connect with a desired central device by broadcasting advertisement packets with specialized data flags, which may be located in certain data fields. This can increase the probability that the peripheral device will connect with the desired central device by enabling other central devices to ignore these advertisement packets.. ... Qualcomm Incorporated

08/23/18 / #20180241998

Deriving motion vector information at a video decoder

An example device for decoding video data includes a memory configured to store video data, and a video decoder implemented in circuitry and configured to determine that motion information of a current block of the video data is to be derived using decoder-side motion vector derivation (dmvd), determine a pixels clue for the current block, the pixels clue comprising pixel data obtained from one or more groups of previously decoded pixels, derive the motion information for the current block according to dmvd from the pixels clue, and decode the current block using the motion information. The video decoder may generate the pixels clue using multiple hypothesis predictions from multiple motion compensated blocks. ... Qualcomm Incorporated

08/23/18 / #20180241992

Signaling of simplified depth coding (sdc) for depth intra- and inter-prediction modes in 3d video coding

This disclosure describes techniques for signaling and processing information indicating simplified depth coding (sdc) for depth intra-prediction and depth inter-prediction modes in a 3d video coding process, such as a process defined by the 3d-hevc extension to hevc. In some examples, the disclosure describes techniques for unifying the signaling of sdc for depth intra-prediction and depth inter-prediction modes in 3d video coding. ... Qualcomm Incorporated

08/23/18 / #20180241922

Adjustment for cameras for low power mode operation

Example techniques are described for low power mode operation for multi-camera devices. A camera device includes processing circuitry configured to determine what information from the first camera is needed to process image content captured by the second camera or to operate the second camera, and adjust an operation mode of one of the first camera or camera circuitry coupled to the first camera from a first operation mode to a second operation mode based on the determination. ... Qualcomm Incorporated

08/23/18 / #20180241816

Low-power and low-latency device enumeration with cartesian addressing

An enumeration technique is provided that requires no pre-assignment of addresses to slave devices connected through p2p links to a host device. With regard to any p2p link between devices, one device has a master interface and the remaining device has a slave interface. ... Qualcomm Incorporated

08/23/18 / #20180241778

Device to perform policy verification

Aspect may relate to a device that comprises an interface and a processor. The interface may be configured to: obtain a statement from an asserting party exercising an authorization. ... Qualcomm Incorporated

08/23/18 / #20180241605

Usage of synchronization signal block index in new radio

Based on at least a portion of an ss block index, a ue may scramble information and a base station may descramble the scrambled information. Specifically, a ue may determine an ss block index associated with an ss block for reception. ... Qualcomm Incorporated

08/23/18 / #20180241593

Methods and apparatus for transmission and reception with partial allocation in orthogonal frequency division multiple access/single-carrier frequency division multiple access systems

Techniques and apparatus for transmission and reception with partial allocation in orthogonal frequency division multiple access (ofdma)/single-carrier frequency division multiple access (sc-fdma) systems are provided. One technique includes determining first parameter(s) to apply to transmission/receive processing of a signal, based in part on a resource allocation for the signal. ... Qualcomm Incorporated

08/23/18 / #20180241526

Discovery and random access for shared spectrum

Methods, systems, and devices for wireless communication are described that involve determining multiple beamformed transmission beams for transmission of an opportunistic or multi-beam discovery reference signal (drs) over a shared radio frequency spectrum band. The base station may determine a contention exempt transmission (cet) period for the shared spectrum band and transmit the drs using multiple transmission beams during cet period or the base station may perform a listen before talk (lbt) procedure, and transmit, based on the lbt procedure, the drs over a shared radio frequency spectrum band. ... Qualcomm Incorporated

08/23/18 / #20180241494

Variable length reference signaling for fast acquisition in shared spectrum

Methods, systems, and devices for wireless communication are described. A base station may configure bursts of synchronization signal (ss) blocks for discovery reference signal (drs) transmission. ... Qualcomm Incorporated

08/23/18 / #20180241452

Beam sweeping for control and data transmissions

Certain aspects of the present disclosure relate to methods and apparatus for beam sweeping for control and data transmissions. In certain aspects, the method for use by a first wireless communications device includes determining one or more beams in a sequence of beams for use in sending or receiving directional transmissions to a second wireless communications device and sweeping through the one or more beams in the sequence of beams for transmissions to or from the second wireless communications device between beamforming training procedures performed with the second wireless communications device.. ... Qualcomm Incorporated

08/23/18 / #20180241450

Access point controlled steering of wireless stations

Aspects of the present disclosure implement techniques that allow the serving ap to obtain signal quality information over backhaul link from one or more target aps as it relates to one or more stas that are currently being served by the serving ap. The target aps may measure signal quality between the target ap and the sta by observing uplink communication between the sta and the serving ap that may be broadcasted over the network. ... Qualcomm Incorporated

08/23/18 / #20180241446

Reference signal and tx/rx precoding for ue multiplexing in nr ss

Reference signal and transmitter (tx)/receiver (rx) precoding for user equipment (ue) multiplexing in new radio (nr) shared spectrum networks is discussed. In certain reference signals, a base station may schedule multiple ues for transmission of uplink reference signals within an identified subframe. ... Qualcomm Incorporated

08/23/18 / #20180241409

Continuous-time delta-sigma adc with scalable sampling rates and excess loop delay compensation

Certain aspects of the present disclosure provide methods and apparatus for implementing sampling rate scaling of an excess loop delay (eld)-compensated continuous-time delta-sigma modulator (ctdsm) analog-to-digital converter (adc). One example adc generally includes a loop filter; a quantizer having an input coupled to an output of the loop filter; one or more digital-to-analog converters (dacs), each having an input coupled to an output of the quantizer, an output coupled to an input of the loop filter, and a data latch comprising a clock input for the dac coupled to a clock input for the adc; and a clock delay circuit having an input coupled to the clock input for the adc and an output coupled to a clock input for the quantizer.. ... Qualcomm Incorporated

08/23/18 / #20180241403

Multi-phase clock generation employing phase error detection in a controlled delay line

Multi-phase clock generation employing phase error detection between multiple delay circuit outputs in a controlled delay line to provide error correction is disclosed. A multi-phase clock generator is provided that includes a controlled delay line and a phase error detector circuit. ... Qualcomm Incorporated

08/23/18 / #20180241249

Over voltage protection detection

Certain aspects of the present disclosure relate to methods and apparatus for detecting, by a wireless power transmitter, an over voltage protection at a wireless power receiver. Certain aspects of the present disclosure provide a wireless power transmitter. ... Qualcomm Incorporated

08/23/18 / #20180240915

Advanced techniques to manipulate the c-v characteristics of variable capacitors

Certain aspects of the present disclosure generally relate to techniques for adjusting or setting a capacitance-versus-voltage (c-v) characteristic of a variable capacitor. For example, certain aspects of the present disclosure provide a capacitor device. ... Qualcomm Incorporated

08/23/18 / #20180240898

Heterojunction bipolar transistor unit cell and power stage for a power amplifier

A heterojunction bipolar transistor unit cell may include a compound semiconductor substrate. The heterojunction bipolar transistor unity may also include a base mesa on the compound semiconductor substrate. ... Qualcomm Incorporated

08/23/18 / #20180240890

Metal oxide semiconductor (mos) isolation schemes with continuous active areas separated by dummy gates and related methods

Embodiments disclosed in the detailed description include metal oxide semiconductor (mos) isolation schemes with continuous active areas separated by dummy gates. A mos device includes an active area formed from a material with a work function that is described as either an n-metal or a p-metal. ... Qualcomm Incorporated

08/23/18 / #20180239885

User equipment with smart biometric unlock

The apparatus of the disclosure provides a solution to the inconvenience currently faced while accessing the most frequently used applications by opening the most common application(s) using biometric authentication. For example, the apparatus may associate at least one biometric to a set of applications. ... Qualcomm Incorporated

08/23/18 / #20180239641

Circuits and methods providing thread assignment for a multi-core processor

A system includes: a system on chip (soc) having a plurality of cores; a first memory storing operating parameters for each of the cores; and a second memory storing historical use data for an application, wherein processing threads of the application are assigned to one or more of the plurality of cores based, at least in part, on the operating parameters for each of the cores and the historical use data.. . ... Qualcomm Incorporated

08/23/18 / #20180239410

Universal serial bus power delivery (usb pd)-based battery charging

Certain aspects of the present disclosure generally relate to methods and apparatus for charging a device. Some example methods for charging a device generally include providing power from a first device to a second device, the second device being configured for electrical connection with the first device via a cable. ... Qualcomm Incorporated

08/23/18 / #20180239055

Foreign object detection using infrared sensing

Certain aspects of the present disclosure provide methods and apparatuses for detecting foreign objects via infrared sensing. One example apparatus generally includes at least one infrared (ir) sensor configured to output a thermal signal indicative of a temperature of an area. ... Qualcomm Incorporated

08/23/18 / #20180238824

Noise improvement in dna sequencing circuit by finfet-like nanopore formation

The disclosure generally relates to a deoxyribonucleic acid (dna) sequencing circuit having a controllable pore size and a lower membrane capacitance and noise floor relative to biological nanopore devices. For example, design principles used to fabricate a fin-shaped field effect transistor (finfet) may be applied to form, on a first wafer, a nanopore that has a desired pore size in a silicon-based membrane. ... Qualcomm Incorporated

08/23/18 / #20180236247

Power and communication of neurocell clusters

Techniques described herein address these and other issues by providing an architecture of antennas capable of generating a relatively even h-field without exceeding exposure limits, while solving communication issues at the same time. More specifically techniques described herein are directed toward the use of multiple antennas that enable an interrogator device of a biological measurement and stimulation system to power different groups of medical implants at different times by creating fields in different regions of the brain. ... Qualcomm Incorporated

08/16/18 / #20180235025

Techniques for handling wide bandwidth communications

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes transmitting, to a network access device, a first indication of a supported radio frequency (rf) bandwidth capability of the ue and a second indication of an rf component configuration of the ue associated with the supported rf bandwidth capability of the ue; and communicating with the network access device based at least in part on the supported rf bandwidth capability of the ue and the rf component configuration of the ue. ... Qualcomm Incorporated

08/16/18 / #20180235016

Central priority advertisement for medical devices

Techniques are disclosed for enabling a first central device to connect with a medical device with an existing connection to a second central device by broadcasting a “central priority” advertisement packet that causes the second central device to discontinue attempts to connect with the medical device (for a period of time), granting the first central device the ability to establish communication with the medical device.. . ... Qualcomm Incorporated

08/16/18 / #20180235012

Collision handling in new radio (nr)

Certain aspects of the present disclosure relate to methods and apparatus for collision handling in nr. In certain aspect, a method for use by a wireless communications device includes detecting a collision between resources allocated to different channels and initiating collision handling when processing the different channels based on the detection, wherein at least one of the detection or the processing is based on one or more characteristics of the different channels or the wireless device. ... Qualcomm Incorporated

08/16/18 / #20180235001

Resource index determination for bundled channel transmission in special subframes

Certain aspects of the present disclosure relate to methods and apparatus for implementing one or more ecce index determinations for mpdcch in special subframes in emtc using communications systems operating according to new radio (nr) technologies. For example, a method for wireless communications may include determining a type of channel is scheduled to be transmitted across multiple subframes, determining a first subframe of the multiple subframes is of a first subframe type that is different than a second subframe type of one or more other subframes of the multiple subframes, and determining resources for a decoding candidate of a channel based, at least in part, on the first subframe type and the second subframe type.. ... Qualcomm Incorporated

08/16/18 / #20180235000

Transmission scheduling for contention based carrier

A method, an apparatus, and a computer program product for wireless communication are provided. A base station transmits a provisional grant uplink assignment to a set of ues. ... Qualcomm Incorporated

08/16/18 / #20180234997

Repetition-based uplink for low latency communications in a new radio wireless communication system

A method and apparatus for enabling repetitive transmissions for low latency systems is disclosed. For example, a base station may determine whether an uplink coverage parameter for a ue communicating with the network entity on an uplink communication channel satisfies an uplink coverage threshold, and transmit an activation message for repetition-based uplink communications to the ue based on a determination that the uplink coverage parameter for the ue communicating with the network entity on the uplink communication channel satisfies the uplink coverage threshold. ... Qualcomm Incorporated

08/16/18 / #20180234993

Post-puncture indication for mobile broadband and low latency communication multiplexing

Methods, systems, and devices for wireless communication are described. Some wireless communications systems support mobile broadband (mbb) communications and low latency communications. ... Qualcomm Incorporated

08/16/18 / #20180234980

Feedback interference management in sidelink

Wireless communications systems and methods related to managing interference among feedback transmissions are provided. A first wireless communication device receives, from a second wireless communication device, a first forward data transmission request signal over a first link in a first link direction, wherein the first forward data transmission request signal is associated with a first feedback transmission over the first link in a second link direction opposite the first link direction. ... Qualcomm Incorporated

08/16/18 / #20180234968

Multi-level slot bundling design

Certain aspects of the present disclosure relate to methods and apparatus for implementing one or more multi-level slot bundling designs using communications systems operating according to new radio (nr) technologies. For example, a method for wireless communications by a user equipment (ue) may be provided that includes receiving signaling indicating a multi-level bundling factor for bundling a plurality of time slots in a single assignment, each slot of the plurality of time slots having a downlink control burst (dlcb) and an uplink control burst (ulcb), and communicating using bundled slots according to the multi-level bundling factor as a time domain resource assignment unit.. ... Qualcomm Incorporated

08/16/18 / #20180234966

Narrowband time-division duplex frame structure for narrowband communications

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. In addition, the apparatus may determine a first set of subframes in the narrowband tdd frame structure used for transmitting a downlink control channel to a ue. ... Qualcomm Incorporated

08/16/18 / #20180234960

Uplink resources for beam recovery

Methods, systems, and devices for wireless communication are described. Uplink resources may be allocated for transmissions of beam recovery messages. ... Qualcomm Incorporated

08/16/18 / #20180234951

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234950

Future-compatible group common downlink control channel

Wireless communication with a future-compatible group common downlink control channel is discussed. A common downlink control channel may include a plurality of regions that may be configured to include information describing a plurality of features, at least a subset of the features being supported by a mobile device. ... Qualcomm Incorporated

08/16/18 / #20180234931

Synchronization signal blocks

A base station may transmit a plurality of synchronization signals in a wireless communication system. The synchronization signals may be multiplexed to form a ss block that is transmitted as part of an ss burst. ... Qualcomm Incorporated

08/16/18 / #20180234930

Handling time indexing in lte-nr co-existence

Certain aspects of the present disclosure relate to methods and apparatus for handling time indexing in lte-nr co-existence. In certain aspect, a method for use by a user equipment includes determining a first time index based on a first radio access technology (rat) network, determining a second time index based on a second rat network, and performing system acquisition based on the second rat network the second time index.. ... Qualcomm Incorporated

08/16/18 / #20180234918

Wakeup radio synchronization techniques

Methods, systems, and devices for wireless communication are described. An access point (ap) may establish a wakeup radio listen schedule for a station (sta) such that a wakeup radio of the sta is powered on to listen for wakeup messages according to wakeup signals transmitted by the ap (e.g., to power on a primary radio). ... Qualcomm Incorporated

08/16/18 / #20180234912

Initiation of mobility reference signal based on quality of initial access signals

Certain aspects of the present disclosure relate to methods and apparatus for limiting ue capability information reported in a network. For example, a method of wireless communications by a first base station may include transmitting a first set of initial access signals in different directions, receiving a second set of one or more signals from a user equipment (ue) in response to the first set of initial access signals, and initiating transmission of, or conveying configuration of, a third set of reference signals with an indication of their corresponding directions, based on reception of the second set of signals.. ... Qualcomm Incorporated

08/16/18 / #20180234889

Dynamic resource sharing

The disclosure relates in some aspects to sharing wireless communication resources. For example, a first type of device allocated to use a first resource pool may dynamically use a second resource pool allocated for a second type of device. ... Qualcomm Incorporated

08/16/18 / #20180234881

Feedback retransmission repetition coding for wireless communications

Methods, systems, and devices for wireless communication are described that provide for generation of feedback at a code block (cb) level for a received transmission in which a transmit block (tb) includes a number of cbs. The feedback may indicate a request for a retransmission of one or more cbs, and retransmissions of the cbs may be provided at a repetition level that provides multiple repetitions of the one or more cbs. ... Qualcomm Incorporated

08/16/18 / #20180234880

Feedback techniques for wireless communications

Methods, systems, and devices for wireless communication are described that provide for generation of an encoded transport block (tb) that includes a number of systematic code blocks (cbs) and a number of parity cbs. The systematic cbs may be transmitted to a receiver, and the receiver may attempt to decode the systematic cbs. ... Qualcomm Incorporated

08/16/18 / #20180234878

Multi-subscriber identity module (sim) call setup

Apparatus and methods for method for a wireless communication device having a first subscriber identity module (sim) enabling a first subscription and a second sim enabling a second subscription to manage communications over the first subscription and the second subscription, including but not limited to determining channel conditions associated with a data radio access technology (rat) on the first subscription crossing a threshold, searching all cells and bands associated with the data rat, finding a cell allowed on the second subscription and not allowed on the first subscription, and acquiring the cell on the second subscription.. . ... Qualcomm Incorporated

08/16/18 / #20180234863

Flexible interleaving for wireless communications

Methods, systems, and devices for wireless communication are disclosed. Flexible interleaving configurations may be employed to support various operations, including beamforming. ... Qualcomm Incorporated

08/16/18 / #20180234860

Split sector level sweep using beamforming refinement frames

Certain aspects of the present disclosure provide methods and apparatus for enhancing a beamforming training procedure.. . ... Qualcomm Incorporated

08/16/18 / #20180234854

Reservation signal design for spectrum sharing

Wireless communications systems and methods related to reservation signal transmission and detection for spectrum sharing are provided. A first wireless communication device communicates, with a second wireless communication device, a reservation request (rrq) signal to reserve a transmission opportunity (txop) in a shared spectrum, wherein the shared spectrum is shared by a plurality of network operating entities, and wherein the first wireless communication device and the second wireless communication device are associated with a first network operating entity of the plurality of network operating entities. ... Qualcomm Incorporated

08/16/18 / #20180234853

Hybrid indication scheme for enhanced mobile broadband and low latency communication multiplexing

Methods, systems, and devices for wireless communication are described. Some wireless communications systems support mobile broadband (mbb) communications and low latency communications. ... Qualcomm Incorporated

08/16/18 / #20180234830

Transmission and reception of proximity detection signal for peer discovery

Techniques for performing peer discovery to enable peer-to-peer (p2p) communication are disclosed. In an aspect, a proximity detection signal used for peer discovery may be generated based on one or more physical channels and/or signals used in a wireless network. ... Qualcomm Incorporated

08/16/18 / #20180234801

Methods and systems for returning an early positioning fix

Disclosed are methods and systems for supporting positioning operations in a cellular communication network including locating a mobile device in response to an emergency event. In one particular implementation, a first position fix may be provided quickly by a mobile device and may be followed by a second, more accurate, position fix at a later time. ... Qualcomm Incorporated

08/16/18 / #20180234524

Quality of service support for layer 2 based device-to-device relay

Methods, systems, and devices for wireless communication are described. A transmitting device may be communicating via a relay wireless communication link. ... Qualcomm Incorporated

08/16/18 / #20180234518

Http-aware content caching

Certain aspects of the present disclosure provide methods and apparatus for caching content at a network component and providing the cached content to requesting ues. An example method generally includes receiving a request for content from a user equipment, inspecting the request for information about the requested content, determining, based on information about the requested content obtained by inspecting the request, if the requested content is on a service list, and providing the requested content from a cache to the ue if it is determined the requested content is on the service list and cached at the base station or retrieving the requested content from a remote source, storing the requested content in the cache, and providing the requested content to the ue if it is determined the requested content is on the service list but not cached at the base station.. ... Qualcomm Incorporated

08/16/18 / #20180234359

Hybrid automatic repeat request management for differing types of hybrid automatic repeat request processes

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may determine whether traffic received by the wireless communication device is associated with a first type of hybrid automatic repeat request (harq) process or a second type of harq process, and/or may allocate a sub-buffer for the traffic, wherein the sub-buffer is selected from a set of sub-buffers of a first size when the traffic is associated with the first type of harq process, wherein the sub-buffer is selected from a set of sub-buffers of a second size when the traffic is associated with the second type of harq process, and wherein at least one sub-buffer of the first size includes two or more sub-buffers of the second size.. ... Qualcomm Incorporated

08/16/18 / #20180234358

Systems and methods for packet acquisition

A method for bluetooth packet acquisition is described. The method includes performing preamble detection on a received signal using a first set of cross-correlation results. ... Qualcomm Incorporated

08/16/18 / #20180234346

Deep packet inspection indication for a mobile cdn

Systems and techniques are disclosed to reduce workload on base stations in a mobile network when content delivery networks cache content inside the network. A user equipment sets a flag only with those packets on the uplink which include requests that should be routed to the cache server inside the mobile network. ... Qualcomm Incorporated

08/16/18 / #20180234302

Systems and methods for network monitoring

A method is described. The method includes receiving an event monitoring model generated by a machine learning engine. ... Qualcomm Incorporated

08/16/18 / #20180234277

Methods and apparatus for reference signal design for interference cancellation

Methods and apparatus for reference signal design are provided. In some aspects, a base station determines one or more of: a demodulation reference signal (dmrs) sequence or a dmrs location pattern, based on at least one of a plurality of transmission characteristics, and transmits one or more of the determined dmrs sequence or the determined dmrs location pattern. ... Qualcomm Incorporated

08/16/18 / #20180234229

Narrowband time-division duplex frame structure for narrowband communications

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a narrowband tdd frame structure of a group of narrowband tdd frame structures for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234226

Control overhead reduction for low latency communication systems

The present disclosure relates to reducing control overhead in a wireless communication system. For example, a network entity may determine to transmit data according to a codeword format based on at least one of a transmission time interval (tti), or a traffic type of the data, or any combination thereof, and configure the data for transmission on a communication channel according to the codeword format. ... Qualcomm Incorporated

08/16/18 / #20180234222

Pilot reconfiguration and retransmission in wireless networks

Adaptive pilot signaling is disclosed in which resources allocated to pilot symbols are allowed to vary to more closely match channel conditions. User equipments (ues) may request different pilot configurations depending on channel conditions. ... Qualcomm Incorporated

08/16/18 / #20180234219

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234197

Tracking reference signal configuration design

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may determine a signal configuration for transmitting a tracking reference signal (trs) to a user equipment (ue). ... Qualcomm Incorporated

08/16/18 / #20180234173

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234171

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234170

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234169

Narrowband time-division duplex frame structure for narrowband communications

There is a need to support narrowband tdd frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband tdd frame structure(s) for narrowband communications. ... Qualcomm Incorporated

08/16/18 / #20180234151

Wireless communication using different types of cyclic prefixes

The disclosure relates in some aspects to communicating different symbols with different types of cyclic prefixes. For example, a first symbol may have a first type of orthogonal frequency-division multiplexing (ofdm) cyclic prefix while a second symbol (e.g., immediately following the first symbol) may have a second type of ofdm cyclic prefix. ... Qualcomm Incorporated

08/16/18 / #20180234135

Distributed multi-user (mu) wireless communication

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for group formation and sounding for distributed multi-user multiple input multiple output (mu-mimo). Some implementations include a method of wireless communication. ... Qualcomm Incorporated

08/16/18 / #20180234122

Low power physical layer driver topologies

System, methods and apparatus are described that facilitate transmission of data, particularly between two devices within electronic equipment. Transmission lines are selectively terminated in an n-phase polarity encoded transmitter when the transmission lines would otherwise be undriven. ... Qualcomm Incorporated

08/16/18 / #20180234114

Low density parity check (ldpc) circular buffer rate matching

Aspects of the present disclosure relate to low density parity check (ldpc) coding utilizing a configurable circular buffer for rate matched transmissions. The circular buffer may be configured based on a selected mother code rate and a fixed circular buffer length. ... Qualcomm Incorporated

08/16/18 / #20180234101

Delay-free poly-phase quantizer and quantization method for pwm mismatch shaping

A system and method for pulse-width modulation (pwm) mismatch shaping. The method includes receiving a multi-bit pulse-code modulated (pcm) signal and generating a voltage ramp signal. ... Qualcomm Incorporated

08/16/18 / #20180234064

Mute pattern injection for a pulse-density modulation microphone

Techniques for mute pattern injection for a pulse-density modulation microphone are described. In one or more implementations, a pulse-density modulation (pdm) microphone includes a transducer that receives a pressure wave and produces an analog signal that represents the pressure wave, an analog-to-digital converter (adc) that receives the analog signal from the transducer and converts the analog signal into a digital pdm signal. ... Qualcomm Incorporated

08/16/18 / #20180233940

Multi-axis power coupling

A wireless-power coupling system includes: a first power coupler comprising a first coil, the first coil comprising a first electrically-conductive loop; a second power coupler comprising a second coil, the second coil comprising a second electrically-conductive loop; and a third power coupler comprising a third coil, the third coil comprising a third electrically-conductive loop; where the first electrically-conductive loop and the second electrically-conductive loop are non-parallel relative to each other and overlap each other at a first plurality of locations of the first electrically-conductive loop; and where the first electrically-conductive loop and the third electrically-conductive loop are non-parallel relative to each other and overlap each other at a second plurality of locations of the first electrically-conductive loop, the first plurality of locations being distinct from the second plurality of locations.. . ... Qualcomm Incorporated

08/16/18 / #20180233907

Die-to-die interface configuration and methods of use thereof

A semiconductor die including: a die-to-die interface including an input/output (i/o) circuitry area and an electrical contact area; wherein the electrical contact area includes an array of electrical contacts disposed on a side of the semiconductor die; and wherein the i/o circuitry area includes a plurality of drivers, each of the drivers coupled to at least one electrical contact in the electrical contact area, and a plurality of electrostatic discharge (esd) protection devices, each of the esd protection devices coupled to a respective driver, further wherein the i/o circuitry area and the electrical contact area are separated in a top-down view of the semiconductor die.. . ... Qualcomm Incorporated

08/16/18 / #20180233605

Transcap manufacturing techniques without a silicide-blocking mask

Certain aspects of the present disclosure provide a semiconductor variable capacitor. The semiconductor variable capacitor generally includes a first non-insulative region disposed above a semiconductor region, and a second non-insulative region disposed adjacent to the semiconductor region. ... Qualcomm Incorporated

08/16/18 / #20180233604

Cmos and bipolar device integration including a tunable capacitor

A tunable capacitor may include a first terminal having a first semiconductor component with a first polarity. The tunable capacitor may also include a second terminal having a second semiconductor component with a second polarity. ... Qualcomm Incorporated

08/16/18 / #20180233603

Layout techniques for transcap area optimization

Certain aspects of the present disclosure provide a semiconductor variable capacitor. The semiconductor variable capacitor generally includes a semiconductor region, an insulative layer disposed above the semiconductor region, and a first non-insulative region disposed above the insulative layer. ... Qualcomm Incorporated

08/16/18 / #20180233600

Wrap-around gate structures and methods of forming wrap-around gate structures

A semiconductor device includes a channel structure that includes a first oxide layer, a second oxide layer, and a channel region between the first oxide layer and the second oxide layer. The semiconductor device includes a first gate structure proximate to at least three sides of the channel structure. ... Qualcomm Incorporated

08/16/18 / #20180233127

Enhanced speech generation

In a particular aspect, an apparatus includes an audio sensor configured to receive an input audio signal. The apparatus also includes speech generative circuitry configured to generate a synthesized audio signal based at least partly on automatic speech recognition (asr) data associated with the input audio signal and based on one or more parameters indicative of state information associated with the input audio signal.. ... Qualcomm Incorporated

08/16/18 / #20180233055

Drone user equipment indication

The disclosure relates to drone user equipment (ue) indications that may be conveyed to a wireless network. In particular, a ue that has flight capabilities (i.e., capabilities to operate as an unmanned aircraft system) and optional further capabilities to report a current height level may indicate such capabilities to the wireless network. ... Qualcomm Incorporated

08/16/18 / #20180232907

Camera auto-calibration with gyroscope

Embodiments include devices and methods for automatically calibrating a camera. In various embodiments, an image sensor may capture an image. ... Qualcomm Incorporated

08/16/18 / #20180232859

Refinement of structured light depth maps using rgb color data

Systems and method for refining a depth map of a scene based upon a captured image of the scene. A captured depth map of the scene may contain outage areas or other areas of low confidence. ... Qualcomm Incorporated

08/16/18 / #20180232846

Dynamic shader instruction nullification for graphics processing

A gpu may be configured to detect and nullify unnecessary instructions. Nullifying unnecessary instructions include overwriting a detected unnecessary instruction with a no operation (nop) instruction. ... Qualcomm Incorporated

08/16/18 / #20180232506

Smart touchscreen display

Techniques are disclosed for improving performance of a touchscreen device. In an aspect, the touchscreen device receives a selection of an application or function based on a user touching a portion of a touchscreen display of the touchscreen device that includes an icon representing the application or function, collects biometric data of the user based on the user touching the portion of the touchscreen display, and determines whether the user is authorized to access the application or function based on the biometric data. ... Qualcomm Incorporated

08/16/18 / #20180232324

Multi-port multi-sideband-gpio consolidation technique over a multi-drop serial bus

Systems, methods, and apparatus for communication virtualized general-purpose input/output signals over a serial communication link a method performed at a transmitting device coupled to a communication link includes configuring general-purpose input/output (gpio) state from a plurality of sources into a virtual general-purpose input/output word, identifying one or more destinations for the first gpio word based on a mapping of the gpio state to one or more devices coupled to a serial bus, and transmitting the first gpio word to each destination.. . ... Qualcomm Incorporated

08/16/18 / #20180232321

Optimizing network driver performance and power consumption in multi-core processor-based systems

Optimizing network driver performance and power consumption in multi-core processor-based systems is disclosed. In this regard, a multi-core processor-based system provides multiple processor cores comprising one or more power-optimized processor cores and one or more performance-optimized processor cores, and a network device configured to assign network streams to a plurality of interrupts. ... Qualcomm Incorporated

08/16/18 / #20180232233

Speculative transitions among modes with different privilege levels in a block-based microarchitecture

The disclosure relates to processing in-flight blocks in a processor pipeline according to an expected execution mode to reduce synchronization delays that could otherwise arise due to transitions among processor modes with varying privilege levels (e.g., user mode, supervisor mode, hypervisor mode, etc.). More particularly, a program counter associated with an instruction block to be fetched may be translated to one or more execute permissions associated with the instruction block and the instruction block may be associated with a speculative execution mode based at least in part on the one or more execute permissions. ... Qualcomm Incorporated

08/16/18 / #20180231609

In-field self-test controller for safety critical automotive use cases

A self-test controller includes a memory configured to store a test patterns, configuration registers, and a memory data component. The test patterns are encoded in the memory using various techniques in order to save storage space. ... Qualcomm Incorporated

08/16/18 / #20180231608

Systems and methods for wafer-level loopback test

Circuits and methods for loopback testing are provided. A die incorporates a receiver (rx) to each transmitter (tx) as well as a tx to each rx. ... Qualcomm Incorporated

08/16/18 / #20180229737

Autonomously performing default operations based on current operating contexts

In general, techniques are described for autonomously performing default operations. A vehicle comprising a processor and a memory may be configured to perform the techniques. ... Qualcomm Incorporated

08/16/18 / #20180228438

Methods, devices and systems for sensor with removable nodes

An integrated adhesive sensor array includes an adhesive a patch, a sensor hub, and a detachable sensor pod packaged as a unit. The patch may include a docking area for the detachable sensor pod. ... Qualcomm Incorporated

08/09/18 / #20180228016

Wire-bond cage in conformal shielding

In a package such as a radio frequency (rf) module, an external shield may be provided to shield the package from external influences as well as to shield the devices within the package from undesirable affecting devices outside of the package. The package may also include an internal shield to suppress adverse effects of the signal generated by an aggressor device within the external shield to other devices within the external shield.. ... Qualcomm Incorporated

08/09/18 / #20180227955

Techniques and apparatuses for handling collisions between legacy transmission time interval (tti) communications and shortened tti communications

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may identify a potential collision between a scheduled legacy transmission time interval (tti) communication and a scheduled shortened tti (stti) communication, the legacy tti communication having a legacy tti duration that is longer than an stti duration associated with the stti communication. ... Qualcomm Incorporated

08/09/18 / #20180227954

Mobility-aware contention procedures on a shared communication medium

Techniques for mobility-aware contention procedures on a shared communication medium are disclosed. A connection failure associated with mobility between a source access point and a target access point sharing a communication medium may be detected. ... Qualcomm Incorporated

08/09/18 / #20180227945

Variable-length transmission schemes

A method of wireless communication includes receiving, at a user equipment (ue), a grant from a base station on a control channel, the grant including content indicating a mini-slot assigned to the ue. The method may include interpreting the grant based on a current configuration of a data channel to determine the mini-slot. ... Qualcomm Incorporated

08/09/18 / #20180227944

Physical uplink shared channel coverage enhancements

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may receive an uplink grant that conveys an indication of a multi-transmission opportunity (txop) grant. ... Qualcomm Incorporated

08/09/18 / #20180227937

Retuning in machine type communications

Certain aspects of the present disclosure relate to methods and apparatus for applying rules to determine when to retune radio components of a user equipment (ue). Certain aspects of the present disclosure provide a method for wireless communications by a ue. ... Qualcomm Incorporated

08/09/18 / #20180227936

Autonomous uplink transmission techniques using shared radio frequency spectrum

Techniques for autonomous uplink (aul) transmissions are provided that allow for efficient use of shared radio frequency spectrum band resources. A user equipment (ue) may determine a duration of an aul transmission and modify an uplink waveform or provide an indication to a base station of one or more channel resources that may be available for base station transmissions, in order to more fully utilize shared radio frequency spectrum band resources within a maximum channel occupancy time (mcot). ... Qualcomm Incorporated

08/09/18 / #20180227922

Control resources reuse for data transmission in wireless communication

Aspects of the present disclosure provide various methods and apparatuses configured to reuse, reallocate, reserve, or reassign available control resources in a control region for carrying downlink (dl) payload or user data. The inventive concept and idea may also be applied to reuse control resources for uplink (ul) and/or sidelink user data transmission in both frequency division duplex (fdd) and time division duplex (tdd) configurations in other embodiments.. ... Qualcomm Incorporated

08/09/18 / #20180227912

Resource management for low latency wireless communications

Described techniques provide for low latency transmission time interval (tti) transmissions that may have reduced likelihood of experiencing interference from one or more neighboring transmitters. A base station may configure two or more sets of resources for two or more sets of wireless transmissions, in which low latency transmissions may be transmitted in a set of wireless transmissions using all or a portion of one of the sets of resources. ... Qualcomm Incorporated

08/09/18 / #20180227908

Transmitting uplink control information

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided that may be configured to receive a downlink control message, to determine a beta offset value for transmitting uci based at least in part on the downlink control message, and to transmit the uci on an uplink shared channel interleaved with data based on the determined beta offset value. The apparatus may identify the beta offset from a set of values based on the downlink control message. ... Qualcomm Incorporated

08/09/18 / #20180227907

Communicating control data based on reference signals in wireless communications

Aspects of the present disclosure describe communicating control data based on reference signals in wireless communications. A timeline for transmitting uplink communications can be determined, where the timeline can relate to whether to process downlink communications based on at least one of a first type of reference signal (rs) or a second type of rs, a length or number of symbols in the reference signal, or a timing advance.. ... Qualcomm Incorporated

08/09/18 / #20180227904

Methods and apparatus for user equipment capability exchange

Capability exchange enhancements include filtering and/or indexing. In some aspects, a user equipment (ue) determines ue capabilities to be reported to a network based on one or more of: one or more enquiries from the network, received system information, a home operator policy, configuration associated with public land mobile network (plmn) information of one or more networks, a user preference, or a service type. ... Qualcomm Incorporated

08/09/18 / #20180227902

Techniques and apparatuses for concurrent resource usage for wwan and wlan

Aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (ue) may determine whether to configure the ue for a first type of resource sharing or a second type of resource sharing between a first radio access technology (rat) and a second rat, wherein one or more ue resources are configured for use with the first rat. ... Qualcomm Incorporated

08/09/18 / #20180227900

Paging response in beamformed systems

Aspects of the present disclosure implement techniques to allow a base station to transmit a “short-page” message (e.g., paging indicators) to one or more ues. The short-page message may be decoded by all ues in the paging cycle and identifies a subset of ues from the full set of ues that are paged by the base station. ... Qualcomm Incorporated

08/09/18 / #20180227856

Techniques and apparatuses for predicting traffic to configure user equipment features

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may predict a traffic pattern, as a predicted traffic pattern, for one or more time intervals of the wireless communication device, wherein the predicted traffic pattern is predicted based at least in part on a traffic type of traffic transmitted or received by the wireless communication device and a connected mode discontinuous reception (cdrx) configuration of the wireless communication device; and selectively configure activation or deactivation of one or more features of the wireless communication device according to the predicted traffic pattern. ... Qualcomm Incorporated

08/09/18 / #20180227853

Power management of a global navigation satellite system (gnss) receiver in a traffic tunnel

Techniques provided herein are directed toward using information from various sources to determine when the mobile device enters and exits a traffic tunnel, turning off the gnss receiver of the mobile device when the mobile device enters the tunnel, and turning the gnss receiver back on once it exits. For example, the mobile device can turn off the gnss receiver based, at least in part, on a determination that the mobile device has entered the traffic tunnel, and a determined traffic tunnel length and/or estimated amount of time the mobile device will be in the traffic tunnel.. ... Qualcomm Incorporated

08/09/18 / #20180227851

Data transmission in inactive state

Certain aspects of the present disclosure relate to methods and apparatus for optimizing delivery of a data to and/or from a ue in a connected but inactive state.. . ... Qualcomm Incorporated

08/09/18 / #20180227848

Tracking reference signal for new radio

Tracking reference signal designs for deployments without continuous reference signal transmission are described. The tracking reference signals may be extended in the frequency domain from a synchronization signal block and may occupy a subset or all of the symbol periods of the synchronization signal block. ... Qualcomm Incorporated

08/09/18 / #20180227826

Non-access stratum transport for non-mobility management messages

Methods, systems, and devices for wireless communication are described. A wireless communications system may support techniques for efficient communication between a user equipment (ue) and different entities (or functions) of a core network. ... Qualcomm Incorporated

08/09/18 / #20180227806

Techniques for reserving a channel of a radio frequency spectrum

Techniques are described for wireless communication. A first method includes contending for access to a first channel of a radio frequency spectrum, and transmitting, upon winning contention for access to the first channel, a first channel reservation indication. ... Qualcomm Incorporated

08/09/18 / #20180227804

Multicarrier access for spectrum pooling

Wireless communications systems and methods related to spectrum pooling among multiple carriers or operators for peak rate performance improvement are provided. A first wireless communication device communicates, with a second wireless communication device, a first reservation request signal to reserve a transmission period in a frequency spectrum shared by a first operator and a second operator. ... Qualcomm Incorporated

08/09/18 / #20180227797

Multi-subframe discovery reference signaling (drs) measurement timing configuration (dmtc) window

In an embodiment, an access point executes a clear channel assessment (cca) protocol to determine whether to begin transmission within a drs measurement timing configuration (dmtc) window. The access point transmits, based on a result of the execution, a multi-subframe drs within the dmtc window, the multi-subframe drs including a plurality of drs subframes that each includes a plurality of symbols.. ... Qualcomm Incorporated

08/09/18 / #20180227789

Intelligent forwarding of phone activities according to present user context

If a user is using a second device and wants to manage and/or perform certain operations of the user device, the user may experience inconvenience from shifting the user's attention to the user device. Therefore, an intelligent approach to enable the user to manage and/or perform an operation of the user device on the second device. ... Qualcomm Incorporated

08/09/18 / #20180227777

Control resource set group design for improved communications devices, systems, and networks

Systems, methods, apparatuses and computer-readable storage media for configuring a transmission between a base station and a user equipment (ue) equipment are disclosed. In embodiments, a plurality of control resource sets (coresets) may be determined, and the plurality of coresets may be grouped into one or more corset groups. ... Qualcomm Incorporated

08/09/18 / #20180227771

Optimizing millimeter wave beam searching

Certain aspects of the present disclosure relate to methods and apparatus for optimizing millimeter wave beam-searching. In certain aspects, a method for use by a wireless communications device includes determining a usage scenario of the wireless device based on input performing a beam search to maintain or establish a communication link with one or more other wireless devices, wherein one or more beams are prioritized or de-prioritized during the beam search based on the usage scenario.. ... Qualcomm Incorporated

08/09/18 / #20180227755

Mobile device to provide continuous authentication based on contextual awareness

Disclosed is a mobile device to authenticate a user. The mobile device may comprise: a first sensor; a second sensor to use more power than the first sensor; and a processor coupled to the first sensor and the second sensor. ... Qualcomm Incorporated

08/09/18 / #20180227743

Mechanism to enable optimized user plane anchoring for minimization of user plane relocation due to user equipment mobility

Methods, systems, and devices for wireless communication are described. Relocation of a user plane may be minimized through the exchange of communication session information between network nodes. ... Qualcomm Incorporated

08/09/18 / #20180227717

Techniques and apparatuses for utilizing measurement gaps to perform signal decoding for a multimedia broadcast or multicast service

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine, when involved in a multimedia broadcast or multicast service, a set of parameters relating to the state of the wireless communication device. ... Qualcomm Incorporated

08/09/18 / #20180227714

Method and apparatus for motion detection systems

Method, apparatus and systems for detecting motion of an object based on a received wireless signal include comparing a received wireless signal to an adaptive noise immunity threshold, if the received wireless signal satisfies the adaptive noise immunity threshold. The detecting motion is based at least in part on a comparison between a determined multipath amount of the received wireless signal and a reference multipath amount, and further by adjusting the adaptive noise immunity threshold from a first level to a second level prior to the comparing of the received wireless signal to the noise immunity threshold, where the second level is higher than the first level.. ... Qualcomm Incorporated

08/09/18 / #20180227703

Systems and methods for position estimation using proximity devices

Techniques are provided which may be implemented using various methods and/or apparatuses for locating a user equipment (ue) using one or more proximity devices (pds) nearby to the ue. One of the provided exemplary techniques includes initiating, by the ue, a request for a location of the ue; sending, by the ue to a location server, a first message comprising a first information for at least one pd in communication with the ue; receiving, by the ue from the location server, a second message comprising a second information for the at least one pd; sending, by the ue to the at least one pd, the second information; receiving, by the ue from the at least one pd, a third information; and obtaining, by the ue, the location of the ue based on the third information.. ... Qualcomm Incorporated

08/09/18 / #20180227702

Systems and methods for position estimation using proximity devices

Techniques are provided which may be implemented using various methods and/or apparatuses for locating a user equipment (ue) using one or more proximity devices (pds) nearby to the ue. One of the provided exemplary techniques includes initiating, by the ue, a request for a location of the ue; sending, by the ue to a location server, a first message comprising a first information for at least one pd in communication with the ue; receiving, by the ue from the location server, a second message comprising a second information for the at least one pd; sending, by the ue to the at least one pd, the second information; receiving, by the ue from the at least one pd, a third information; and obtaining, by the ue, the location of the ue based on the third information.. ... Qualcomm Incorporated

08/09/18 / #20180227680

Acoustic power coupling for mobile audio devices

Techniques for acoustic power coupling for mobile audio devices are described. In one or more implementations, a mobile audio device includes a device speaker with a membrane that produces audio output for the mobile audio device, an amplification circuit electrically connected to the device speaker, and a rechargeable battery electrically connected to the amplification circuit. ... Qualcomm Incorporated

08/09/18 / #20180227580

Contexts for large coding tree units

In an example, a method of coding video data may include selecting, as part of an entropy coding process, a context for a syntax element associated with a current coding unit (cu) based on information relating to cu depth of one or more neighboring cus relative to the current cu. The syntax element may represent whether the current cu is split into sub-cus. ... Qualcomm Incorporated

08/09/18 / #20180227502

Systems and methods for reduced power consumption in imaging pipelines

Methods and systems for reducing power in an image pipeline are disclosed. In one aspect, a method includes receiving, by an electronic device, a first image stream from an imaging sensor at a first frame rate, receiving, by the electronic device, measurements from a motion sensor at a rate greater than or equal to the first frame rate, generating, by the electronic device, a second image stream from the first image stream, the second image stream having a second frame rate less than the first frame rate, modifying, via an imaging pipeline of the electronic device, the second image stream at the second frame rate, generating, by the imaging pipeline, new frames based on the measurements and the second image stream, and generating a third image stream by inserting the new frames into the second image stream so as to achieve a frame rate greater than the second frame rate.. ... Qualcomm Incorporated

08/09/18 / #20180227383

Redirection of a session initiation protocol invite

Methods, systems, and devices for wireless communication are described for redirection of a session initiation protocol (sip) invite. A multi-subscriber identification module user equipment (multi-sim ue) may intelligently determine when to redirect a sip invite message to control on which of multiple networks a communication session is established. ... Qualcomm Incorporated

08/09/18 / #20180227302

Session management authorization token

Techniques are described that provide a session management authorization token by receiving a session request message to establish a protocol data unit (pdu) session for a logical data network associated with a user equipment (ue), the session request message may include one or more session parameters; verifying that the ue is authorized to establish the pdu session for the logical data network; receiving a key associated with the pdu session; generating an authorization token based on the received key and the session parameters; and transmitting a session response message including the generated authorization token to the ue.. . ... Qualcomm Incorporated

08/09/18 / #20180227282

Techniques for securely communicating a data packet via at least one relay user equipment

Techniques are described for wireless communication. A method of wireless communication at a transmitting wireless device includes generating a first message authentication code (mac) for a data packet based at least in part on a first security key used to communicate with a receiving wireless device; generating a second mac for the data packet based at least in part on a second security key used to communicate with a relay user equipment (ue), in which the relay ue is included in a data routing path between the transmitting wireless device and the receiving wireless device; and transmitting the data packet to the relay ue with at least the first mac and the second mac.. ... Qualcomm Incorporated

08/09/18 / #20180227151

Methods and apparatus for managing interference across operators

Aspects of the present disclosure provide an apparatus and techniques for managing interference across carriers of an operator. A base station identifies a first portion of a first carrier assigned to an operator, wherein uplink and downlink subframe configuration for tdd communications using the first portion and a first portion of a second carrier also assigned to the first operator are synchronized between the first and the second carriers. ... Qualcomm Incorporated

08/09/18 / #20180227108

Communication data rate selection for an electronic device

A method includes determining, based on a first packet error rate (per) associated with a first communication data rate of data sent from a first electronic device to a second electronic device, a predicted second per associated with a second communication data rate by increasing a value of the predicted second per based on a first signal-to-noise ratio (snr) sensitivity associated with the first communication data rate being less than a second snr sensitivity associated with the second communication data rate or by decreasing the value of the predicted second per based on the first snr sensitivity being greater than the second snr sensitivity. The method further includes selecting a communication data rate for communication from the first electronic device to the second electronic device based at least in part on the first per and the predicted second per.. ... Qualcomm Incorporated

08/09/18 / #20180227103

Resource allocation for physical uplink control channel (pucch)

Certain aspects of the present disclosure relate to methods and apparatus for physical uplink control channel (pucch) resource allocation. In certain aspects, a method for use by a user equipment (ue) for transmitting one or more uplink control information (uci) bits in pucch includes determining resources allocated for providing one or more uci bits based at least on a type of service associated with the ue and sending, to a base station, a pucch with the one or more uci bits using the allocated resources.. ... Qualcomm Incorporated

08/09/18 / #20180227102

Search candidates in multi-link control channel

Some wireless communication systems may operate in frequency ranges that are associated with beamformed transmissions between wireless devices. In such systems, a user equipment (ue) may be configured to monitor physical downlink control channel (pdcch) on multiple beam pair links. ... Qualcomm Incorporated

08/09/18 / #20180227101

Uplink mimo reference signals and data transmission schemes

Certain aspects of the present disclosure relate to methods and apparatus for uplink mimo reference signals and data transmission schemes communications systems operating according to 5g technologies. For example, one or more techniques for enabling prg selection and conveying that selection are provided. ... Qualcomm Incorporated

08/09/18 / #20180227088

Techniques for enhanced machine type communication acknowledgment bundling

Techniques and apparatus for hybrid automatic retransmission request (harq) acknowledgement (ack) bundling in half duplex frequency division duplexing (hd-fdd) systems are provided. One technique includes determining ack parameter(s) to be used for acknowledging a bundled transmission that includes instance(s) of a channel across subframe(s). ... Qualcomm Incorporated

08/09/18 / #20180227081

Antenna diversity schemes

Certain aspects of the present disclosure relate to methods and apparatus for implementing one or more antenna diversity schemes using communications systems operating according to 5g technologies. For example, techniques and apparatus may be provided for employing alamouti encoding in a time domain for one or more portions of a plurality of modulated symbols associated with a first signal to be transmitted by a first antenna or a second signal to be transmitted by a second antenna to create a first plurality of encoded symbols or a second plurality of encoded symbols with tone-wise alamouti in the frequency domain.. ... Qualcomm Incorporated

08/09/18 / #20180227074

Search space configuration for new radio (nr) system

Methods, systems, and devices for wireless communication are described a search space configuration. A set of physical resource blocks (prbs) or resource element groups (regs) may be configured over two or more modulation symbols. ... Qualcomm Incorporated

08/09/18 / #20180227047

Current indication channel for embb/urllc multiplexing

Aspects of the present disclosure describe an indication channel for wireless communications that indicates whether an ultra-reliable low-latency communication (urllc) transmission is present in a current mini-slot within an enhanced mobile broadband (embb) slot. A base station may determine that an indication message is to be transmitted within the embb slot. ... Qualcomm Incorporated

08/09/18 / #20180227027

Fast beam refinement phase for periodic beamforming training

Certain aspects of the present disclosure provide methods and apparatus for enhancing a beamforming training procedure. For example, an apparatus for wireless communications may include a processing system configured to generate a first transmit beamforming refinement frame, a first interface configured to output the first transmit beamforming refinement frame for transmission to a wireless node, wherein a first portion of the first transmit beamforming refinement frame is output for transmission via a first transmit beamforming sector and further wherein training fields of the first transmit beamforming refinement frame are output for transmission via two or more second transmit beamforming sectors, and a second interface configured to obtain a first feedback frame from the wireless node indicating one of the second transmit beamforming sectors. ... Qualcomm Incorporated

08/09/18 / #20180227021

Pilots for mimo communication systems

Pilots suitable for use in mimo systems and capable of supporting various functions are described. The various types of pilot include—a beacon pilot, a mimo pilot, a steered reference or steered pilot, and a carrier pilot. ... Qualcomm Incorporated

08/09/18 / #20180227011

Synchronization techniques using frequency hopping in unlicensed radio frequency spectrum

Described techniques provide for transmission of synchronization signals using frequency hopping across a number of hopping frequencies in unlicensed or shared radio frequency spectrum. A base station may identify a set of hop frequencies for transmitting synchronization signals, and transmit synchronization signals using a hopping pattern over the hop frequencies. ... Qualcomm Incorporated

08/09/18 / #20180226989

Multiple low density parity check (ldpc) base graph design

Aspects of the present disclosure relate to low density parity check (ldpc) coding utilizing ldpc base graphs. Two or more ldpc base graphs may be maintained that are associated with different ranges of overlapping information block lengths. ... Qualcomm Incorporated

08/09/18 / #20180226988

Multiple low density parity check (ldpc) base graph design

Aspects of the present disclosure relate to low density parity check (ldpc) coding utilizing ldpc base graphs. Two or more ldpc base graphs may be maintained that are associated with different ranges of overlapping information block lengths. ... Qualcomm Incorporated

08/09/18 / #20180226983

Data converters for mitigating time-interleaved artifacts

A data converter includes multiple subunits to convert an input such as a radio frequency (rf) signal. The subunits are selected to sample the input in an order that varies over time. ... Qualcomm Incorporated

08/09/18 / #20180226932

Radio frequency front end transmit and receive path switch gain

A radio frequency front end of a user equipment for reducing power consumption includes a receive chain having a first low noise amplifier stage, a transmit chain including a first power amplifier stage, a transmit bypass path, a receive bypass path and a time division duplex switch. The transmit bypass path is selectively coupled to a transmit signal path at a first intermediate point of the transmit chain, prior to the first power amplifier stage. ... Qualcomm Incorporated

08/09/18 / #20180226924

Multi-power amplification

An amplification circuit includes: an input stage including a driver; a transformer that includes a primary winding and a secondary winding, the primary winding being coupled to an output of the driver; and an output stage including: an output configured to be coupled to a load; and a plurality of paths coupled to the output and coupled to respective taps of the secondary winding; where at least one of the plurality of paths comprises a power amplifier.. . ... Qualcomm Incorporated

08/09/18 / #20180226838

Phased array ultrasonic transmitter for detecting and powering a wireless power receiver

Certain aspects of the present disclosure relate to methods and apparatus for detecting and powering a wireless receiver. An exemplary method generally includes scanning an area using a first plurality of ultrasonic pressure waves emitted from ultrasonic transducers on an ultrasonic phased array of ultrasonic transducers, detecting a first device in the area and determining a location of the first device in the area based on the scanning, and delivering a second plurality of ultrasonic pressure waves to the location of the first device in the area for powering the first device using the ultrasonic phased array of ultrasonic transducers.. ... Qualcomm Incorporated

08/09/18 / #20180226080

Multi channel coding

A method includes generating a windowed time-domain mid channel by applying two first asymmetric windows to a first frame of a time-domain mid channel and applying two second asymmetric windows to a second frame of the time-domain mid channel. The method includes transforming the windowed time-domain mid channel to a transform domain to generate sets of transform-domain mid channel data including first transform-domain mid channel data corresponding to a first mid channel window of the first frame and second transform-domain mid channel data corresponding to a second mid channel window of the first frame. ... Qualcomm Incorporated

08/09/18 / #20180225734

Systems and methods for customizing amenities in shared vehicles

A method performed by an electronic device is described. The method includes obtaining an auxiliary product request or an auxiliary service request in conjunction with a vehicle request. ... Qualcomm Incorporated

08/09/18 / #20180225429

Methods and systems for accessing licensable items in a geographic area

Methods and apparatus for accessing licensable items unique to a geographic area via a wireless device are provided. The method and apparatus may include obtaining access to licensable items available in a first location of the wireless device. ... Qualcomm Incorporated

08/09/18 / #20180225324

Providing retry schedules for file repair over broadcast networks

Various embodiments include methods, user equipment, and a computer program product for determining multiple retry schedules for performing file repair procedures for repairing files received over broadcast networks (e.g., evolved multimedia broadcast multicast services (embms)). The user equipment may receive an information element that identifies parameters defining additional timelines for performing file repair. ... Qualcomm Incorporated

08/09/18 / #20180225253

Sensors global bus

Systems, methods and apparatus are described that offer improved performance of a sensor bus. A first command is transmitted to devices coupled to a serial bus operated in a first mode in accordance with a first protocol to cause the serial bus to be operated in a second mode. ... Qualcomm Incorporated

08/09/18 / #20180225251

System and method of sending data via additional secondary data lines on a bus

A serial low-power inter-chip media bus communications link is deployed in apparatus having multiple integrated circuit devices. Communications capabilities of a device coupled to the communications link may be determined and configuration or framing message may be sent to the first device based on the capabilities. ... Qualcomm Incorporated

08/09/18 / #20180225224

Reducing bandwidth consumption when performing free memory list cache maintenance in compressed memory schemes of processor-based systems

Reducing bandwidth consumption when performing free memory list cache maintenance in compressed memory schemes of processor-based systems is disclosed. In this regard, a memory system including a compression circuit is provided. ... Qualcomm Incorporated

08/09/18 / #20180225066

Forced idling of memory subsystems

Various aspects include methods for managing memory subsystems on a computing device. Various aspect methods may include determining a period of time to force a memory subsystem on the computing device into a low power mode, inhibiting memory access requests to the memory subsystem during the determined period of time, forcing the memory subsystem into the low power mode for the determined period of time, and executing the memory access requests to the memory subsystem inhibited during the determined period of time in response to expiration of the determined period of time.. ... Qualcomm Incorporated

08/09/18 / #20180224932

Maintaining occupant awareness in vehicles

In general, techniques are described for maintaining occupant awareness in vehicles. A device configured to maintain occupant awareness in a vehicle comprising: a processor and a display may be configured to perform the techniques. ... Qualcomm Incorporated

08/09/18 / #20180224921

Clock glitch prevention for retention operational mode

An integrated circuit (ic) is disclosed with clock glitch prevention for a retention operational mode. In an example aspect, the ic includes a clock signal source that generates a source value for a clock signal, which is distributed by a clock tree along a downstream direction. ... Qualcomm Incorporated

08/09/18 / #20180224887

Apparatus and method for asynchronous event timestamping

Methods and apparatuses are described for obtaining a timestamp of an interface event. In one configuration, a host receives an in-band interrupt (ibi) from a sensor. ... Qualcomm Incorporated

08/09/18 / #20180224871

System and method for thermal management of a wearable computing device based on proximity to a user

Because the touch temperature of a wearable computing device (“wcd”) may be an insignificant factor for user experience when the wcd is not being worn by a user, embodiments of the solution seek to modify thermal management policies based on an inferred user proximity state. Exemplary embodiments monitor one or more signals from readily available sensors in the wcd that have primary purposes other than measuring user proximity. ... Qualcomm Incorporated

08/02/18 / #20180220553

Evaporative cooling solution for handheld electronic devices

An apparatus and method of the disclosure provides a cooling mechanism for a handheld electronic device. The cooling mechanism includes a heat sink and an evaporative cooling mechanism. ... Qualcomm Incorporated

08/02/18 / #20180220524

Novel high speed signal routing topology for better signal quality

A method for propagating a signal from an output driver on a pcb to a number of chips on the pcb. The signal is propagated from a first transmission line connected to the output driver, to a second transmission line connected to the first transmission line and a first chip, and to a third transmission line connected to the first transmission line and a second chip. ... Qualcomm Incorporated

08/02/18 / #20180220470

Techniques for managing dual connectivity in an uplink

A first method includes transmitting, to a network, an indication of a capability to operate in an uplink aggregation dual connectivity mode or in a fast switching dual connectivity mode; and receiving, from the network, a dual connectivity configuration for the ue based at least in part on the indication of the capability. A second method includes communicating with a first network access device; transmitting, to a second network access device, a request to perform fast switching from the first network access device to the second network access device; receiving, from the second network access device, a dual connectivity configuration for communicating with the second network access device; and communicating with the second network access device based at least in part on the dual connectivity configuration.. ... Qualcomm Incorporated

08/02/18 / #20180220455

Listen before transmit (lbt) communication protocol for vehicle-to-vehicle communications

A method for communication includes accessing all sub-channels in a communication frame, generating a counter that counts down beginning with a received first listen before talk (lbt) communication symbol, determining whether the counter reaches zero before receiving a second lbt communication symbol, determining whether a desired number n of contiguous sub-channels are available, and if the desired number n of contiguous sub-channels are available, transmitting an lbt symbol.. . ... Qualcomm Incorporated

08/02/18 / #20180220451

Coupling uplink and downlink cca in lte-u

Methods, systems, and devices are described contention-based channel access procedures that may enhance efficiency in communications using unlicensed spectrum. A time period may be identified during which base stations perform contention-based downlink channel access procedures for access to a channel in an unlicensed spectrum. ... Qualcomm Incorporated

08/02/18 / #20180220448

Data transmissions during base station beamsweep

A grant may allocate resources for an uplink transmission by a user equipment (ue) in a system using beamforming, where the resources may be used by the ue to transmit data or control information during a time that a base station is listening in a certain receive beam direction. A ue may be in communication with a base station using beamformed transmissions, and the base station may send a resource grant to the ue for uplink transmissions that correspond to a receive beam direction of a beamsweeping operation. ... Qualcomm Incorporated

08/02/18 / #20180220441

Time mask techniques for shortened transmission time intervals

Methods, systems, and devices for wireless communication are described that support time mask techniques for shortened transmission time intervals (sttis) that may enhance low latency communications. Time masks may be identified and applied for transmissions that use sttis, in a manner that provides increased portions of stti durations having higher transmission power, and thus increase the likelihood of successful reception of such transmissions at a receiver. ... Qualcomm Incorporated

08/02/18 / #20180220431

Mask for reference signal measurements

Aspects of the present disclosure provide a method, a computer-readable medium, and an apparatus for wireless communication, for example for reference signal measurements. An example method, performed by a user equipment, generally includes determining a duration for reference signal measurements of a network entity and beamforming one or more radio frequency chains in one or more directions for the reference signal measurements of the network entity during the duration. ... Qualcomm Incorporated

08/02/18 / #20180220428

Monitoring interference level to selectively control usage of a contention-based protocol

Methods, systems, and devices for wireless communication are described for monitoring interference level to selectively control usage of a contention-based protocol. In an example, a wireless device may transmit, while operating in a non-contention-based mode for a wireless link with a second wireless device, a first beamformed data transmission to the second wireless device over a shared channel. ... Qualcomm Incorporated

08/02/18 / #20180220426

Techniques and apparatuses for channel interference reduction

A base station (bs) may transmit, and a user equipment (ue) may receive, a physical broadcast channel, such as a narrowband physical broadcast channel (nb-pbch). In an interference-limited scenario with synchronous cells in a network, repetitions of a symbol being transmitted for a first physical broadcast channel of a first cell may collide with repetitions of a symbol being transmitted for a second physical broadcast channel of a second cell. ... Qualcomm Incorporated

08/02/18 / #20180220423

Adaptive subcarrier spacing configuration

Methods and apparatuses for adaptive subcarrier spacing in wireless communication networks are described. For example, the described aspects include transmitting, from the ue to a network entity, a first prach transmission with a first subcarrier spacing; determining, by the ue, that the first prach transmission to the network entity is not successful; and transmitting, from the ue, a second prach transmission with a second subcarrier spacing in response to determining that the first prach transmission is not successful, wherein the first subcarrier spacing is different from the second subcarrier spacing.. ... Qualcomm Incorporated

08/02/18 / #20180220422

Resource allocation for narrowband communications using an expanded bandwidth

A method, a computer-readable medium, and an apparatus are provided. The apparatus may allocate one or more narrowbands for at least one downlink transmission to a ue. ... Qualcomm Incorporated

08/02/18 / #20180220418

Listen before transmit (lbt) communication channel for vehicle-to-vehicle communications

A method for communication includes transmitting a listen before talk (lbt) communication symbol in a communication frame, the lbt communication symbol defining an amount of resource anticipated for control information and data, transmitting a control channel using the amount of resource defined by the communication symbol, and transmitting a data channel using the amount of resource defined by the communication symbol.. . ... Qualcomm Incorporated

08/02/18 / #20180220416

System and method for beam management

A first apparatus may send, to a base station in a first carrier frequency, a request associated with determination of a first beam used for communication between the base station and the ue. The first apparatus may communicate with the base station in a second carrier frequency based on the request associated with the determination of the first beam, the first carrier frequency being different from the second carrier frequency. ... Qualcomm Incorporated

08/02/18 / #20180220410

Vehicle-to-everything control channel design

Methods, systems, and devices for wireless communication are described. A transmitting device may identify resource blocks (rbs) used to transmit data in a data transmission. ... Qualcomm Incorporated

08/02/18 / #20180220403

Multi-link new radio physical uplink control channel beam selection and reporting based at least in part on physical downlink control channel or physical downlink shared channel reference signals

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive a downlink transmission from at least one beam of a set of beams. ... Qualcomm Incorporated

08/02/18 / #20180220402

Methods and systems for multi user uplink compatibility with legacy devices

Methods and apparatus for multiple user uplink are provided. In one aspect, a method of transmitting a physical layer convergence protocol data unit on a wireless medium includes generating a first portion and a second portion of the physical layer convergence protocol data unit, transmitting the first portion at a first data rate, the first portion decodable by a first and second sets of devices, and transmitting the second portion at a second data rate higher than the first data rate, the second portion decodable by the second set of devices.. ... Qualcomm Incorporated

08/02/18 / #20180220398

Multi-link new radio (nr)-physical downlink control channel (pdcch) design

Aspects of the present disclosure relate to wireless communications and, more particularly, multi-link pdcch monitoring. A ue may receive signaling configuring it to operate in at least one of a set of different modes of monitoring beam-pair links, wherein each beam-pair link comprises a transmit beam configured to be used by a base station (bs) for beamformed transmissions and a corresponding receive beam used by the ue. ... Qualcomm Incorporated

08/02/18 / #20180220392

On-demand user equipment positioning

Certain aspects of the present disclosure relate to methods and apparatus for on-demand ue positioning. For example a method may include transmitting a request, to at least one of a plurality of base stations of a network, to participate in at least one of an uplink ue positioning procedure or a downlink ue positioning procedure, and receiving a configuration for the at least one of the uplink ue positioning procedure or the downlink ue positioning procedure in response to the request.. ... Qualcomm Incorporated

08/02/18 / #20180220379

Interference management for new radio-spectrum sharing (nr-ss)

Wireless communications systems and methods related to interference management among communications of network operating entities of different power classes over a spectrum are provided. A first wireless communication device identifies a transmission opportunity (txop) in a spectrum shared by a plurality of network operating entities. ... Qualcomm Incorporated

08/02/18 / #20180220372

Adaptive power save with reinforcement learning

Methods, systems, and devices for wireless communication are described. A station may be communicating with an access point during a first active communication period. ... Qualcomm Incorporated

08/02/18 / #20180220371

Macro and micro discontinuous reception

Methods, systems, and devices for wireless communication are described. A wireless device may receive a downlink (dl) reception indication during an active duration of a discontinuous reception (drx) configuration. ... Qualcomm Incorporated

08/02/18 / #20180220368

Changing basic service set (bss) color in dual beacon operation

This disclosure provides systems, methods, and apparatuses for implementing changes to basic service set (bss) parameters of an access point (ap) in a synchronized manner across multiple physical layer (phy) formats. In some implementations, an ap may enable stas that use different phy formats to implement the changes at substantially the same time. ... Qualcomm Incorporated

08/02/18 / #20180220329

System and methods for improving performance in a multi-sim wireless communication device using voice-over-wireless local area network service

A multi-subscriber identification module (sim) wireless communication device with a first sim and a second sim associated with a shared radio frequency (rf) resource may determine that timing collisions are predicted between an active period of a discontinuous reception (drx) cycle associated with the first sim and an active period of a drx cycle associated with the second sim. In response, the wireless communication device may determine whether the first sim is registered with an ip multimedia subsystem (ims) to use voice-over-wireless local area network (vowlan) service over a wireless local area network (wlan). ... Qualcomm Incorporated

08/02/18 / #20180220323

Feedback timing management for low latency communications

Low latency transmission time interval (tti) structures and feedback configurations allow for a downlink transmission, a feedback indication indicating successful or unsuccessful reception of the downlink transmission, and a retransmission of the downlink transmission, within a same subframe or 1 ms time period. A tti structure may include a number of shortened ttis (sttis) that are transmitted in a subframe, and timing for feedback transmissions may be identified based at least in part on the tti structure. ... Qualcomm Incorporated

08/02/18 / #20180220322

Techniques for hardware-assisted transmission control protocol (tcp) segmentation offloading

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive a threshold quantity of data for transmission via a network. ... Qualcomm Incorporated

08/02/18 / #20180220305

Broadcast control channel for shared spectrum

Aspects of the disclosure relate to wireless communication over a shared spectrum carrier utilizing a broadcast, common control channel. The broadcast control channel may be multiplexed with a unicast control channel. ... Qualcomm Incorporated

08/02/18 / #20180220294

Dynamic ue-category switching for enhanced idle mode power savings

Certain aspects of the present disclosure relate to methods and apparatus for dynamic ue-category switching for enhanced idle mode power savings. A method for wireless communications by a user equipment (ue) is provided. ... Qualcomm Incorporated

08/02/18 / #20180220280

Vehicle-to-everything feedback channel design

Methods, systems, and devices for wireless communication are described. For example, a requesting device may transmit a sensor data request message to a responding device. ... Qualcomm Incorporated

08/02/18 / #20180220269

Methods and apparatus for supporting emergency broadcast services over local area networks

Various features related to methods and apparatus for supporting broadcast services, e.g., emergency and/or commercial broadcast messages, over lans, are described. In some configurations broadcast of emergency related messages is offloaded from a cellular network/wwan to a wlan, for transmission to devices over the wlan thereby reducing the overload and/or cost associated with cellular networks and/or extending the emergency broadcast services to users who maybe out of wwan coverage. ... Qualcomm Incorporated

08/02/18 / #20180220266

Techniques for determining a position fix of an object using one or more mobile devices co-located with the object

Disclosed are devices, systems and methods for combining observations obtained at two different mobile devices attached to a human user for performing a navigation operation. For example, observations of a signal acquired at a first mobile device may be selected for computing a position fix based, at least in part, on a utility indicator associated with the observations.. ... Qualcomm Incorporated

08/02/18 / #20180220263

System and method for ranging-assisted positioning of vehicles in vehicle-to-vehicle communications

A method for ranging includes randomly selecting a symbol in each of at least two successive sub-cycles of a ranging cycle, transmitting symbol ids corresponding to the randomly selected symbols and a sequence id, and transmitting a ranging signal with the sequence id on each of the randomly selected symbols.. . ... Qualcomm Incorporated

08/02/18 / #20180220257

Bandwidth selection for enhanced machine-type-communications

Methods, systems, and devices for wireless communication are described. A wireless device may receive a scheduling indicator on a first instance of a control channel. ... Qualcomm Incorporated

08/02/18 / #20180220130

Bilateral filters in video coding with reduced complexity

An example method of filtering a reconstructed block of video data includes obtaining, by one or more processors, reconstructed samples of a current block of the video data; and selectively bilaterally filtering, by the one or more processors, the reconstructed samples of the current block to generate a filtered current block. In this example, selectively bilaterally filtering the reconstructed samples of the current block comprises refraining from bilaterally filtering at least one reconstructed sample of the current block such that the filtered current block includes at least one non-bilaterally filtered sample.. ... Qualcomm Incorporated

08/02/18 / #20180219885

Network attack detection using multi-path verification

Various embodiments provide methods, devices, and non-transitory processor-readable storage media enabling rogue access point detection with a communications device by sending multiple probes via different network connections to a remote server and receiving probe replies. Various embodiments may include a communication device transmitting a first probe addressed to a server via a first network connection and a second probe addressed to the server via a second network connection. ... Qualcomm Incorporated

08/02/18 / #20180219881

Detecting anomalous hypertext transfer protocol (http) events from semi-structured data

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for implementing anomalous hypertext transfer protocol (http) event detection on a computing device. The computing device may receive an http response, from a web application, having a first semi-structured data of a uniform resource locator (url), store the first semi-structured data, compare a first plurality of stored semi-structured data of a plurality of urls of a plurality of http responses from the web application, identify a pattern in the first plurality of stored semi-structured data, define a first invariant for the http response based on an identified pattern, and defining a first generic feature for the first invariant.. ... Qualcomm Incorporated

08/02/18 / #20180219704

Clock data recovery with non-uniform clock tracking

Systems and methods for adjusting a phase step size of a clock data recover (cdr) circuit are described according to aspects of the present disclosure. In certain aspects, a method for adjusting a phase step size of a cdr circuit includes sensing a frequency offset of the cdr circuit, and adjusting the phase step size of the cdr circuit based on the sensed frequency offset. ... Qualcomm Incorporated

08/02/18 / #20180219660

Matrix-based techniques for mapping resource elements to ports for reference signals

Techniques are described for wireless communication. A method of wireless communication at a first wireless device includes identifying a template mapping of a plurality of ports to a first plurality of frequency subcarriers and a first plurality of time periods of a template time-frequency resource grid; mapping a plurality of resource elements of an orthogonal frequency-division multiplexing (ofdm) time-frequency resource grid to the plurality of ports based at least in part on the template mapping; receiving a reference signal from a second wireless device, on a subset of the plurality of ports, based at least in part on the mapping; and decoding the reference signal from a subset of the plurality of resource elements based at least in part on the mapping. ... Qualcomm Incorporated

08/02/18 / #20180219654

Half-duplex operation in new radio systems

Methods, systems, and devices for wireless communication are described. A base station may communicate with a user equipment (ue) using frequency resources (e.g., subcarriers) with scalable channel spacing and time resources (e.g., slots) with variable slot durations. ... Qualcomm Incorporated

08/02/18 / #20180219642

Unified spatial operation for dynamic medium sharing

Unified spatial operations for dynamic medium sharing is disclosed in which a non-priority transmitter detects a priority reservation reference signal (rrs) over a shared spectrum from a high-priority transmitter the shared spectrum is shared by the non-priority transmitter with at least one high-priority communication pair. The high-priority communication pair includes a high-priority transmitter and the high-priority receiver. ... Qualcomm Incorporated

08/02/18 / #20180219623

Visible light communication

An example of a method of processing visible light signals includes determining a property of light received from a light source at a device; determining a mode of operation of the device based on the property of the light, the mode of operation corresponding to a color discrimination capability of at least one image sensor of the device; detecting the light, using the at least one image sensor in the determined mode of operation, to produce a plurality of detection signals, the at least one image sensor including a plurality of pixels and each detection signal of the plurality of detection signals being associated with a respective pixel of the plurality of pixels; and extracting information from the plurality of detection signals.. . ... Qualcomm Incorporated

08/02/18 / #20180219576

Frequency hopping design for large bandwidth allocations in emtc

Certain aspects of the present disclosure provide techniques for hopping design for larger bandwidth allocations in enhanced machine type communications (emtc). A method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

08/02/18 / #20180219566

Over the air acquisition of radio frequency impairment information

Systems and methods for providing indications about the tx rf non-linear impairments are disclosed. In accordance with some implementations, a first device (ue or base station) estimates evm indications for the signal and determines if the evm indications is above a threshold. ... Qualcomm Incorporated

08/02/18 / #20180219524

Dynamic impedance management

A wireless power receiver includes: a power-receiving antenna configured to receive power wirelessly from a transmitter; power-processing circuitry that is coupled to the power-receiving antenna to receive power from the power-receiving antenna and that is configured to process the power received from the power-receiving antenna; and a controller communicatively coupled to the power-processing circuitry and configured to: determine a value of a dynamic parameter indicative of at least one of content of the power-processing circuitry, operation of the power-processing circuitry, or a relationship between the receiver and the transmitter; and determine an estimated impedance using the value of the dynamic parameter, the estimated impedance being an estimate of at least a portion of reflected impedance presented to the transmitter by the receiver.. . ... Qualcomm Incorporated

08/02/18 / #20180219418

Methods and apparatus for efficient wireless power transfer

An aspect of this disclosure is an apparatus for receiving power wirelessly. The apparatus comprises a power transmission circuit and a power transceiver circuit. ... Qualcomm Incorporated

08/02/18 / #20180219009

Systems, methods, and apparatus for improved finfets

To avoid the problems associated with low density spin on dielectrics, some examples of the disclosure include a finfet with an oxide material having different densities. For example, one such finfet may include an oxide material located in a gap between adjacent fins, the oxide material directly contacts the adjacent fins of the plurality of fins with a first density proximate to a top layer of the oxide material and a second density proximate to a bottom layer of the oxide material and wherein the first density is greater than the second density.. ... Qualcomm Incorporated

08/02/18 / #20180218778

Embedded memory testing with storage borrowing

An integrated circuit (ic) is disclosed herein for embedded memory testing with storage borrowing. In an example aspect, an integrated circuit includes a functional logic block, a memory block, and test logic. ... Qualcomm Incorporated

08/02/18 / #20180218607

Request-response-based sharing of sensor information

Various aspects of the disclosure relate to a request-response mechanism for sharing sensor information. For example, sensor devices (e.g., in vehicles, fixed structures, or a combination thereof) may selectively share information acquired by the sensor devices. ... Qualcomm Incorporated

08/02/18 / #20180218256

Deep convolution neural network behavior generator

A method for generating synthetic behavior samples with a behavior generator includes drawing, at the behavior generator, a vector from a probability distribution obtained from behavior data of a plurality of users. The method also includes generating, with an artificial neural network decoder of the behavior generator, a synthetic behavior sample based on the vector. ... Qualcomm Incorporated

08/02/18 / #20180217930

Reducing or avoiding buffering of evicted cache data from an uncompressed cache memory in a compression memory system when stalled write operations occur

Aspects disclosed involve reducing or avoiding buffering of evicted cache data from an uncompressed cache memory in a compression memory system when stalled write operations occur. A processor-based system is provided that includes a cache memory and a compression memory system. ... Qualcomm Incorporated

08/02/18 / #20180217663

Systems and methods for tracking a controller

A method by a wearable device is described. The method includes receiving geometric information from a controller. ... Qualcomm Incorporated

08/02/18 / #20180217613

Method and apparatus for determining vehicle location in vehicle-to-vehicle communications

A method for developing and reporting enhanced user equipment (ue) location information includes obtaining a global positioning system (gps) location for a user equipment (ue), determining a location of at least one radio frequency (rf) antenna relative to the gps location, developing a reference frame based at least in part on the location of the at least one rf antenna, determining a location of a structural element of the ue, and transmitting the gps location, the location of the at least one rf antenna, and the location of the structural element of the ue.. . ... Qualcomm Incorporated

08/02/18 / #20180217562

Intuitive display of time notifications in mobile devices

Display of the time remaining to the next scheduled alarm at the status bar on the display screen of the mobile device, may be helpful to the user to plan ahead for the event the alarm is set for. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

08/02/18 / #20180217237

Optimized piezoelectric driver for lidar beam deflection

Aspects of the disclosure are related to a method for providing a driving signal to a piezoelectric element within a lidar, comprising: determining a phase difference between a phase of the driving signal and a phase of cantilever vibration to be kept constant, the cantilever comprising the piezoelectric element and a fiber optic cable; generating a periodic signal while a difference between a phase of the periodic signal and the phase of cantilever vibration is kept constant at the determined phase difference with a phase-locked loop; amplifying the periodic signal into the driving signal; and supplying the driving signal to the piezoelectric element to cause the cantilever to vibrate, wherein light emitted from the fiber optic cable which deflects as part of the vibrating cantilever creates a scanning pattern.. . ... Qualcomm Incorporated

08/02/18 / #20180217228

Method and/or system for acquisition of a positioning signal

Disclosed are methods for aiding a mobile device in the acquisition of positioning reference signals (prss) transmitted in a cellular network in support of otdoa positioning. In one implementation, a mobile device receives an offset parameter from a location server indicative of a difference in timing between transmission of a first prs positioning occasion for a reference cell and transmission of a second prs positioning occasion for a neighboring cell that supports multiple prs configurations, where the second prs positioning occasion is for a prs configuration with a longest periodicity. ... Qualcomm Incorporated

08/02/18 / #20180217224

Location determination using user equipment preconfigured with positioning reference signal information

A user equipment (ue) is preconfigured with positioning reference signal (prs) configurations for a plurality of base stations. The ue receives a base station almanac including position information and identifies of local base stations. ... Qualcomm Incorporated

07/26/18 / #20180213595

Activating high-speed train configurations in wireless communications

Aspects of the present disclosure describe activating a high speed train (hst) configuration for communicating with a cell in a hst based communications environment. A first signal including an hst activate indication to activate a hst configuration can be received from a cell. ... Qualcomm Incorporated

07/26/18 / #20180213560

Directional listen before talk scheme

Methods, systems, and devices for wireless communication are described. A transmitting wireless device may select a direction for a wireless transmission over a channel the transmitting wireless device may monitor an availability of the channel in the selected direction for a duration of a first channel listening time corresponding to the selected direction. ... Qualcomm Incorporated

07/26/18 / #20180213556

Small packet optimizations for internet-of-things applications

Certain aspects of the present disclosure relate to methods and apparatus for optimizing delivery of a small amount of mobile originated (mo) or mobile terminated (mt) data.. . ... Qualcomm Incorporated

07/26/18 / #20180213554

Network configured uplink control feedback for 5g new radio (nr)

Some aspects of the disclosure provide for wireless communication systems in which scheduling information is transmitted to a scheduled entity to schedule transmission of uplink feedback control information by the scheduled entity. The feedback control information may be transmitted in short uplink control bursts or long uplink bursts. ... Qualcomm Incorporated

07/26/18 / #20180213552

Increased uplink pilot time slot length in special subframes

Increased symbol length of uplink pilot time slots (uppts) in special subframes is disclosed in which a configuration of a first special subframe may be independent from configuration of a second special subframe in the same frame, such that the first uppts of the first special subframe is longer than the second uppts of the second special subframe. The second uppts of the second special subframe may also be longer than legacy uppts length in select configurations. ... Qualcomm Incorporated

07/26/18 / #20180213532

Techniques for cross-carrier scheduling using multiple transmission time interval durations

Methods, systems, and devices for wireless communication are described in which scheduling of time and frequency resources for multiple component carriers (ccs) may be provided in a low latency physical downlink control channel (spdcch) transmission to a user equipment (ue). The scheduling information may include a first portion that is transmitted during a first transmission time interval (tti) and that includes scheduling information (ue-specific or common for multiple ues) for two or more shortened ttis (sttis) on one or more ccs, and a second portion that may be specific to the particular stti on one or more ccs. ... Qualcomm Incorporated

07/26/18 / #20180213517

Method and apparatus for efficient usage of dai bits for eimta in lte

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives, by a user equipment (ue) during a first subframe, an indication of a dynamic uplink/downlink (ul/dl) subframe configuration. ... Qualcomm Incorporated

07/26/18 / #20180213512

Secondary timing advance groups with only license assisted access secondary cells

Methods, systems, and devices for wireless communication are described. A wireless system may support efficient techniques for adding license assisted access (laa) secondary cells (scells) to a secondary timing advance group (stag). ... Qualcomm Incorporated

07/26/18 / #20180213510

Techniques and apparatuses for transmit diversity while maintaining low peak to average power ratio

Some techniques and apparatuses described herein may assign resource elements of a particular resource block for transmission by two or more different antennas in a fashion such that the symbols are interleaved in frequency and/or in time, which improves frequency diversity of the two or more different antennas, thereby improving uplink performance of the ue. In some aspects, when the two or more resource blocks are contiguous, then each antenna may produce an interleaved frequency division multiple access (ifdma) waveform, which may maintain peak to average power ratio (papr) properties of a single channel fdma transmission. ... Qualcomm Incorporated

07/26/18 / #20180213493

Coordinated synchronization channel transmission and restricted measurement

Wireless communications systems and methods related to synchronization signal (ss) transmission coordination among base stations (bss) and restricted ss measurements at user equipments (ues) are provided. A first bs transmits a first ss burst in a first ss transmission period of a plurality of ss transmission periods. ... Qualcomm Incorporated

07/26/18 / #20180213486

Power control for coordinated multipoint joint transmission

Certain aspects of the present disclosure relate to methods and apparatus for power control in coordinated multipoint (comp) scenarios that utilize joint transmission (jt). For example, a method for power control at a base station, may include receiving an indication, from at least one of a plurality of paired ues served by a set of base stations using a common set of time/frequency resources, of a parameter relating to an uplink reference signal used for transmitting an uplink reference signal.. ... Qualcomm Incorporated

07/26/18 / #20180213485

Configuring different uplink power control for long and short uplink bursts

Aspects of the present disclosure provide techniques for a user equipment (ue) to set uplink power control for a long uplink burst and a short uplink burst. The ue receives uplink power control information including a first set of power control parameters for a long uplink burst and a second set of power control parameters for a short uplink burst with the sets of power control parameters being different from each other. ... Qualcomm Incorporated

07/26/18 / #20180213481

Methods and apparatus for enhanced power save protocol

Methods and apparatus for enhanced power save protocol are provided. In one aspect, a message to two or more stations is transmitted, the message requesting the two or more stations to transmit buffered unit requests concurrently at a specified time. ... Qualcomm Incorporated

07/26/18 / #20180213477

Rate matching of data transmission in control resource region

A control resource region of an new radio system slot structure may be separated into control resource sets, only some of which may be used for control transmissions. Aspects presented herein improve the efficient utilization of resources by enabling data transmission in resources of the dl control resource region and/or the ul control resource region. ... Qualcomm Incorporated

07/26/18 / #20180213460

Networking devices and methods

A networking apparatus includes a communication circuitry configured to receive, via first control message data units (cmdus), network information descriptive of links between network devices of a network. The networking apparatus also includes a processor configured to determine, based on the network information, an end-to-end routing path for unicast communications from the communication circuitry to a second network device of the network, where the end-to-end routing path traverses a first network device of the network. ... Qualcomm Incorporated

07/26/18 / #20180213454

Cell history utilization in a wireless communication system

The present methods and apparatuses may select to a cell associated with a radio access technology (rat) in response to performing a first procedure, the first procedure including at least one of a cell selection procedure, a cell reselection procedure, or a handover procedure. The present methods and apparatuses may further acquire one or more parameters associated with the selected cell identified by a cell global identity (cgi). ... Qualcomm Incorporated

07/26/18 / #20180213350

Targeted prs configuration searches

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for targeted positioning reference signals (prs) configuration searches, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

07/26/18 / #20180213333

Ultrasonic receiver with coated piezoelectric layer

This disclosure provides systems, methods and apparatus related to an ultrasonic receiver for detecting ultrasonic energy received at a first surface of the ultrasonic receiver. The ultrasonic receiver includes an array of pixel circuits disposed on a substrate, each pixel circuit in the array including at least one thin film transistor (tft) element and having a pixel input electrode electrically coupled to the pixel circuit. ... Qualcomm Incorporated

07/26/18 / #20180213150

Adaptive buffering rate technology for zero shutter lag (zsl) camera-inclusive devices

An example device includes camera hardware, processing circuitry, and a memory device implementing a buffer. The processing circuitry is configured to store a first subset of frames received by the camera hardware to a buffer, according to a first buffering rate, to determine scene-change information associated with at least one of the received frames, and to determine a second buffering rate, based on the determined scene-change information. ... Qualcomm Incorporated

07/26/18 / #20180213141

Methods and apparatus for synchronizing camera flash and sensor blanking

An aspect of this disclosure is an apparatus for capturing an image. The apparatus comprises an image sensor configured to capture an image of a field of view. ... Qualcomm Incorporated

07/26/18 / #20180212810

Frequency and time domain multiplexing for low peak-to-average power ratio (papr) waveform design with multiple streams

Methods, systems, and devices for wireless communications are described that support frequency and time domain multiplexing for low peak-to-average waveforms with multiple streams. A user equipment (ue) may identify sets of symbols associated with different streams (e.g., multiple single-carrier discrete fourier transform (dft)-spread waveforms), where each stream may be associated with a low peak-to-average power ratio (papr). ... Qualcomm Incorporated

07/26/18 / #20180212728

Flexible comb-based reference signals

Multiple-input, multiple-output (mimo) devices and non-mimo devices may implement a flexible comb-based design for transmission of reference signals, such as demodulation reference signals (dmrss). User equipment (ues) of different ranks may use the flexible comb-based design to transmit the reference signals in a common comb pattern within an allocated bandwidth. ... Qualcomm Incorporated

07/26/18 / #20180212678

Optimized data processing for faster visible light communication (vlc) positioning

Disclosed are techniques for optimizing visual light communication (vlc) processing performed at a mobile device. In an aspect, an image sensor of the mobile device having a rolling shutter captures a plurality of lines of an image frame, an image signal processor (isp) coupled to the image sensor writes each line of the plurality of lines of the image frame into a dual port memory as each line of the plurality of lines of the image frame is received from the image sensor, and, for each line of the plurality of lines of the image frame, a vlc decoder of the mobile device reads a first line of the plurality of lines of the image frame from the dual port memory while the isp writes a second line of the plurality of lines of the image frame to the dual port memory.. ... Qualcomm Incorporated

07/26/18 / #20180212655

Methods and systems for distributed uplink mimo communications

Methods and systems for receiving an uplink transmission are disclosed. In one aspect, a method includes receiving, by an electronic device, a multiuser transmission from a first station and a second station of a wireless network. ... Qualcomm Incorporated

07/26/18 / #20180212627

Methods and apparatus for achieving low coding rates

In an aspect, an apparatus may receive content to be transmitted and generate a first turbo encoded codeword from the content through use of a first turbo encoder. The apparatus maybe further configured to generate an interleaved codeword based on the first turbo encoded codeword through use of an interleaver, generate a second turbo encoded codeword from the interleaved codeword through use of a second turbo encoder, and transmit at least a portion of the second turbo encoded codeword. ... Qualcomm Incorporated

07/26/18 / #20180212463

Switched-capacitor power ramping for soft switching

The present disclosure describes aspects of switched-capacitor power ramping for soft switching. In some aspects, a resonant circuit of a wireless power transmitter includes a portion of capacitance that is switchable. ... Qualcomm Incorporated

07/26/18 / #20180212142

Engineered barrier layer interface for high speed spin-transfer torque magnetic random access memory

A perpendicular magnetic tunnel junction may include a free layer, a reference layer, and a barrier layer. The barrier layer may be arranged between the free layer and the reference layer. ... Qualcomm Incorporated

07/26/18 / #20180212029

Semiconductor devices employing reduced area conformal contacts to reduce parasitic capacitance, and related methods

Semiconductor devices employing reduced area conformal contacts for reducing parasitic capacitance and improving performance, and related methods are disclosed. The area of the source/drain contacts for providing an electrical contract to a source/drain is reduced in size to reduce parasitic capacitance between a gate and the source/drain contacts for improved performance. ... Qualcomm Incorporated

07/26/18 / #20180211957

Layout construction for addressing electromigration

A cmos device with a plurality of pmos transistors and a plurality of nmos transistors includes a first interconnect and a second interconnect on an interconnect level connecting a first subset and a second subset of pmos drains together, respectively. The first and second subsets are different and the first and second interconnect are disconnected on the interconnect level. ... Qualcomm Incorporated

07/26/18 / #20180211897

Heterojunction bipolar transistor power amplifier with backside thermal heatsink

A heterojunction bipolar transistor may include an emitter, a base contacting the emitter, a collector contacting the base, a sub-collector contacting the collector, and an electrical isolation layer contacting the sub-collector. The heterojunction bipolar transistor may also include a backside heatsink thermally coupled to the sub-collector and the collector. ... Qualcomm Incorporated

07/26/18 / #20180211671

Keyword voice authentication

A method of authenticating a user based on voice recognition of a keyword includes generating, at a processor, clean speech statistics. The clean speech statistics are generated from an audio recording of the keyword spoken by the user during an enrollment phase. ... Qualcomm Incorporated

07/26/18 / #20180210858

Bus encoding using on-chip memory

Various additional and alternative aspects are described herein. In some aspects, the present disclosure provides a method of communicating data between an electronic unit (eu) of a system-on-chip (soc) and a dynamic random access memory (dram). ... Qualcomm Incorporated

07/26/18 / #20180210541

Method and apparatus for dynamic control of sensors to enhance security

In an aspect, a wearable apparatus obtains information indicating that a user of the wearable apparatus is to input secure information (e.g., a personal identification number (pin)). The wearable apparatus disables, in response to the obtained information, one or more sensors of the wearable apparatus that are capable of tracking hand movements of the user. ... Qualcomm Incorporated

07/26/18 / #20180210522

System and method for context-aware thermal management and workload scheduling in a portable computing device

Various embodiments of methods and systems context-aware thermal management in a portable computing device (“pcd”) are disclosed. Notably, the environmental context to which a pcd is subjected may have significant impact on the pcd's thermal energy dissipation efficiency. ... Qualcomm Incorporated

07/26/18 / #20180210442

Systems and methods for controlling a vehicle using a mobile device

A method operable on a mobile device is described. The method includes receiving a three-dimensional (3d) surround video feed from a vehicle. ... Qualcomm Incorporated

07/19/18 / #20180206284

Signaling for link aggregation setup and reconfiguration

Methods, systems, and devices for wireless communication are described. A wireless device may identify an aggregation capability to communicate in parallel over a plurality of wireless links. ... Qualcomm Incorporated

07/19/18 / #20180206274

Methods and systems for cross bss sounding

Methods and systems for sounding a wireless network are disclosed. In one aspect, a method includes receiving, by an access point a message including a beamforming report from a device. ... Qualcomm Incorporated

07/19/18 / #20180206258

Parallel processing of uplink and downlink transmissions

A ue may determine a number of resources granted for uplink or downlink communication in a processing window. The resources may include uplink resources or downlink resources and the processing windows may include a predetermined number of subframes. ... Qualcomm Incorporated

07/19/18 / #20180206247

Configuration of control resources

Various aspects provides an example method, an apparatus, and/or a computer readable medium for configuring common control resource set at an gnb, which may include configuring, at the gnb, a first type and a second type of common control resource set, and indicating, to a user equipment (ue), the first type and the second type of common control resource set based at least on the configuration. Additional aspects may include receiving, at the ue, configuration information of a first type and a second type of common control resource set from a gnb, and decoding, at the ue, the first type and the second type of common control resource set based at least on the configuration information.. ... Qualcomm Incorporated

07/19/18 / #20180206244

Beam-combining scheme with broadcast beam-sweeping and beam-index indication

Various features related to decoding jointly coded broadcast information and beam/symbol index information to achieve higher reliability and reduced decoding errors from the perspective of a receiving device such as a ue are described. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

07/19/18 / #20180206229

Extension of data transmission from ulrb to ulcb

At times a ue may have a data transmission that needs to extend beyond a resource grant in an ulrb portion of a slot. The ue may receive resource region reservation information from a base station and determine when to extend an ul transmission from the ulrb portion of a slot into the ulcb portion of the slot based resource region reservation information. ... Qualcomm Incorporated

07/19/18 / #20180206226

Configurable common uplink burst length

Various aspects are provided for dynamic configuration of common uplink bursts. For example, the described apparatus and methods include receiving, at a user equipment (ue), an indicator of a length of a common uplink burst from a gnb, configuring the common uplink burst having the length as identified by the indicator, and transmitting, from the ue, the common uplink burst to the gnb.. ... Qualcomm Incorporated

07/19/18 / #20180206219

Selecting a cell identifier based on a downlink control information

A method, an apparatus, and a computer program product for wireless communication are provided in which a cell identifier is selected based on one or more properties associated with received downlink control information (dci), where the properties may not be exclusively associated with determining a cell identifier. The cell identifier may be selected from a plurality of cell identifiers received through radio resource control signaling. ... Qualcomm Incorporated

07/19/18 / #20180206208

Methods and apparatus related to time tracking in multi carrier systems

In an aspect, an apparatus, e.g., a base station of a first network, maybe configured to receive ue capability information from each ue of a plurality of ues, the ue capability information indicating a number of different carrier synchronization timings that the ue can track within a plurality of carriers. The carriers maybe associated with multiple different networks including the first network. ... Qualcomm Incorporated

07/19/18 / #20180206202

Methods and systems for synchronizing access for distributed mimo communications

Methods and systems for coordinating simultaneous transmission by two or more access points over a single channel of a wireless medium are disclosed. In one aspect, a method includes determining, by an access point, a plurality of opportunities for initiating synchronized transmissions over the channel, and initiating by the first wireless device, a transmission at an opportunity of the plurality of opportunities.. ... Qualcomm Incorporated

07/19/18 / #20180206200

Synchronization channel design for new carrier type

Certain aspects of the present disclosure relate to synchronization channel design for a new carrier type. In certain aspects, a user equipment (ue) may first search for legacy locations of pss (primary synchronization signal) and sss (secondary synchronization signal), and attach to a cell that transmits the legacy pss/sss. ... Qualcomm Incorporated

07/19/18 / #20180206196

Techniques and apparatuses for power control for uplink channels

A user equipment (ue) may transmit a control channel and a data channel using contiguous resource allocations of a portion of a slot. The control channel may be associated with control channel power spectral density (psd) and the data channel may be associated with a data channel psd. ... Qualcomm Incorporated

07/19/18 / #20180206192

Wakeup receiver waveforms

Methods, systems, and devices for wireless communication are described. The method may include transmitting, at an access point (ap), a wakeup waveform comprising a first preamble portion occupying a first bandwidth, the first preamble portion comprising six (6) or more orthogonal frequency division multiplexing (ofdm) symbols, the sixth one of which is un-rotated binary phase shift keying (bpsk) modulated and transmitting a second wakeup portion of the wakeup waveform occupying a second bandwidth that is less than the first bandwidth. ... Qualcomm Incorporated

07/19/18 / #20180206190

Power save procedures for multi-link aggregation

A wireless device may dynamically activate and/or inactivate wireless links for multi-link communications. A transmitting wireless device may indicate one or more wireless links to be activated by a receiving wireless device to receive subsequent multi-link transmissions. ... Qualcomm Incorporated

07/19/18 / #20180206174

Packet based link aggregation architectures

Methods, systems, and devices for wireless communication are described. Wireless devices may support parallel communications over multiple wireless links, which may benefit a wireless system in terms of throughput and latency (among other benefits). ... Qualcomm Incorporated

07/19/18 / #20180206170

Beam selection and radio link failure during beam recovery

Certain aspects of the present disclosure relate to methods and apparatus for beam recovery and radio link failure (rlf) in communications systems using beamforming and operating according to new radio (nr) technologies. An exemplary method that may be performed by a ue includes communicating using beamforming with a base station (bs) via a transmit beam and a receive beam of an active beam pair and obtaining an indication of one or more alternative beams for the ue to use to send a beam recovery message to the bs in the event the transmit beam and the receive beam of the active beam pair become misaligned.. ... Qualcomm Incorporated

07/19/18 / #20180206151

Robust header compression (rohc) techniques for a dynamically changing extension bit

Methods, systems, and devices for wireless communication are described. Different robust header compression (rohc) schemes may be used when a change in a header extension flag between packets of a communication session is determined. ... Qualcomm Incorporated

07/19/18 / #20180206143

Management procedure in multi-link aggregation

Methods, systems, and devices for wireless communication are described. The described techniques may increase throughput of a wireless network, improve utilization of available channels, or provide other benefits. ... Qualcomm Incorporated

07/19/18 / #20180206127

Autonomous uplink (ul) transmission in new radio-spectrum sharing (nr-ss)

Wireless communications systems and methods related to autonomous uplink transmission in a shared spectrum are provided. A first wireless communication device identifies a transmission opportunity (txop) in a shared spectrum shared by the plurality of network operating entities. ... Qualcomm Incorporated

07/19/18 / #20180206126

Dynamic time-division duplexing (tdd) in new radio-spectrum sharing (nr-ss) and self-contained subframe structure

Wireless communications systems and methods related to dynamic time-division duplexing (tdd) and self-contained subframe-based communications in a shared spectrum are provided. A first wireless communication device communicates a control information communication protection request over a shared spectrum. ... Qualcomm Incorporated

07/19/18 / #20180206109

Intelligent subscription selection for positioning

An example of a method for operating a user equipment (ue) including a first subscriber identity module (sim) and a second sim includes determining that a quality of first positioning assistance data associated with the first sim is greater than a quality of second positioning assistance data associated with the second sim; and performing an action using the first sim in response to determining that the quality of first positioning assistance data associated with the first sim is greater than the quality of second positioning assistance data associated with the second sim.. . ... Qualcomm Incorporated

07/19/18 / #20180206103

Techniques and apparatuses for suppressing network status information notifications

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may transfer to a suppress mode based at least in part on determining that a condition associated with the suppress mode is satisfied. ... Qualcomm Incorporated

07/19/18 / #20180206083

User location aware smart event handling

Techniques are discussed herein for providing notification messages to a user are provided. An example method of sending an alert message according to the disclosure includes receiving a notification message for a user, determining a location of the user, determining one or more notification devices based the location of the user, generating the alert message based on one or more notification preferences associated with the user and the one or more notification devices, and sending the alert message to at least one of the one or more notification devices based on the notification preferences.. ... Qualcomm Incorporated

07/19/18 / #20180206079

Mbms architecture with cdn caching in enb

In an aspect, a method for a network access node for broadcasting content includes receiving a message from a broadcast coordination entity, the message including information associated with content to be broadcasted to one or more user equipments (ues), caching the content locally at the network access node, and sending the cached content to the one or more ues.. . ... Qualcomm Incorporated

07/19/18 / #20180206078

Method and apparatus for handling building pressurization during indoor positioning

Disclosed is a method and apparatus for utilizing pressure sensor reliability during indoor positioning performed by a mobile device. The method may include performing an indoor positioning process on the mobile device to estimate a current location of the mobile device within an indoor environment. ... Qualcomm Incorporated

07/19/18 / #20180206062

Handling an early position fix for lpp-type positioning sessions

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for handling an early position fix for lpp-type positioning sessions, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

07/19/18 / #20180206057

Audio parallax for virtual reality, augmented reality, and mixed reality

An example audio decoding device includes processing circuitry and a memory device coupled to the processing circuitry. The processing circuitry is configured to receive, in a bitstream, encoded representations of audio objects of a three-dimensional (3d) soundfield, to receive metadata associated with the bitstream, to obtain, from the received metadata, one or more transmission factors associated with one or more of the audio objects, and to apply the transmission factors to the one or more audio objects to obtain parallax-adjusted audio objects of the 3d soundfield. ... Qualcomm Incorporated

07/19/18 / #20180205946

Coding video data using derived chroma mode

An example device for decoding video data includes a memory for storing video data, and one or more processors implemented in circuitry and configured to construct an intra-prediction candidate list for a current chroma block of the video data indicating candidate intra-prediction modes for the current chroma block, wherein the intra-prediction candidate list indicates a subset of allowed luminance (luma) candidate intra-prediction modes, determine cost (e.g., sum of absolute transform difference (satd)) values for each of the candidate intra-prediction modes in the intra-prediction candidate list for the current chroma block, and generate a prediction block for the current chroma block using one of the candidate intra-prediction modes indicated by the intra-prediction candidate list according to the cost values (e.g., the candidate intra-prediction mode having the lowest cost value).. . ... Qualcomm Incorporated

07/19/18 / #20180205818

Mechanism for indicating transport infrastructure compatibility to contactless application installers

Transportation systems and infrastructure increasingly use wireless communication systems to provide access and payment methods for users. Because the wireless communication systems across transportation platforms differ, a need exists to indicate whether a device is interoperable with different systems. ... Qualcomm Incorporated

07/19/18 / #20180205808

Techniques for handling internet protocol flows in a layer 2 architecture of a wireless device

Techniques are described for wireless communication. One method includes receiving, at a medium access control (mac) entity, protocol data units (pdus) corresponding to one or more internet protocol (ip) flows, routing the pdus from the mac entity to respective radio link control (rlc) entities based on a logical channel prioritization, and forwarding the pdus from respective rlc entities to one or more packet data convergence protocol (pdcp) entities mapped to each rlc entity. ... Qualcomm Incorporated

07/19/18 / #20180205749

Detecting a rogue access point using network-independent machine learning models

Embodiments include systems and methods of detecting a rogue access point by a computing device. A processor of the computing device may determine one or more features of a purported access point. ... Qualcomm Incorporated

07/19/18 / #20180205609

Methods and apparatus for assisted radio access technology self-organizing network configuration

The present methods and apparatus relate to managing interference associated with a configuration of a self-organizing network (son) during wireless communication, comprising receiving, at a first radio access technology (rat) entity, measurement information from a user equipment (ue) for assisting with interference management at a second rat entity, wherein the first rat entity is collocated with the second rat entity; and configuring the second rat entity based at least in part on the measurement information received by the first rat entity. In a further aspect, the present methods and apparatus comprise embedding, by a first rat entity, rat entity-specific information of a second rat entity in a management indication, wherein the first rat entity and the second rat entity are collocated; and transmitting the management indication to one or both of a ue and another first rat entity.. ... Qualcomm Incorporated

07/19/18 / #20180205589

Signaling methods for frequency offset estimation using reference signals

Methods, systems, and devices for wireless communication are described. Reference signals may be used for estimating frequency offset at a wireless device. ... Qualcomm Incorporated

07/19/18 / #20180205586

Low peak-to-average power ratio waveform design for frequency multiplexing of multiple streams

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may be configured with a transmission stream processor used to maintain a lower peak-to-average power ratio (papr) for uplink transmissions. ... Qualcomm Incorporated

07/19/18 / #20180205585

Association between synchronization signal beams and reference signal beams

Methods, systems, and devices for wireless communication are described. Beams used for synchronization signals may be associated with beams used for reference signals. ... Qualcomm Incorporated

07/19/18 / #20180205528

Systems and methods to select or transmitting frequency domain patterns for phase tracking reference signals

An apparatus for wireless communication selects a recommendation for the need. The apparatus selects the resource to transmit a phase tracking reference signal based on a condition of a communication system. ... Qualcomm Incorporated

07/19/18 / #20180205519

Short multi-user null data packet (ndp) feedback

Aspects of the present disclosure provide techniques for receiving and detecting short multi-user feedback in null data packets (ndps). An example method generally includes receiving a first packet from a first wireless device, the first packet transmitted using resources spanning at least 106 tones and allocated to the first wireless device for conveying feedback bits, and detecting the feedback bits based on a difference in receive energy on different sets of tones.. ... Qualcomm Incorporated

07/19/18 / #20180205507

Reference signal placement within different subbands of the same ofdm symbol

Aspects provide a way for rs in different sub-bands within the same ofdm symbol to have different rs placement designs, e.g., different dependence/independence on cell id. A base station apparatus transmits a first rs in a first resource set using a first rs placement, wherein the first resource set comprises a first subband of an ofdm symbol. ... Qualcomm Incorporated

07/19/18 / #20180205502

Multi-link block acknowledgement management

Methods, systems, and devices for multi-link wireless communication are described. A block acknowledgment (ba) agreement (e.g., a multi-link ba session) may be established based on exchanged multi-link capability information (e.g., a ba window size, ba scoreboarding information, one or more wireless link identifiers, etc.). ... Qualcomm Incorporated

07/19/18 / #20180205498

Enhanced polar code constructions by strategic placement of crc bits

Certain aspects of the present disclosure relate to techniques and apparatus for improving decoding latency and performance of polar codes. An exemplary method generally includes generating a codeword by encoding information bits, using a multi-dimensional interpretation of a polar code of length n, determining, based on one or more criteria, a plurality of locations within the codeword to insert error correction codes generating the error correction codes based on corresponding portions of the information bits, inserting the error correction codes at the determined plurality of locations, and transmitting the codeword. ... Qualcomm Incorporated

07/19/18 / #20180205497

Resource-based code block segmentation

Certain aspects of the present disclosure relate to methods and apparatus for optimizing delivery of a transport block (tb) using code rate dependent segmentation.. . ... Qualcomm Incorporated

07/19/18 / #20180205496

Design of robust and universal polar codes

Aspects of the disclosure relate to polar coding. A polar codeword may be generated by sorting a plurality of synthetic channels utilized for transmission of the polar codeword over an air interface in order of reliability utilizing a convex combination of the mutual information calculated for each synthetic channel based on an additive white gaussian noise (awgn) channel and the mutual information calculated for each synthetic channel based on a binary erasure channel. ... Qualcomm Incorporated

07/19/18 / #20180205488

Selection of modulation and coding scheme

Techniques for indicating and/or selecting a modulation and coding scheme (mcs) are disclosed. A method for selecting the mcs may comprise receiving control information, identifying a change indicator, determining a first mcs based on the control information, and modifying the first mcs based on the change indicator to determine a second mcs.. ... Qualcomm Incorporated

07/19/18 / #20180205483

Event triggering and reporting with multiple reference signals

Methods, systems, and devices for wireless communication are described for event triggering and reporting with multiple reference signals. A user equipment (ue) may receive event configuration data that specifies at least one permitted combination of reference signals of different types for generating a signal quality comparison and receive a first reference signal and a second reference signal. ... Qualcomm Incorporated

07/19/18 / #20180205480

Coordinating reference signals in wireless communication

Various reference signal (rs) designs and arrangements for interference coordination and management in wireless communication are disclosed. Reference signals may be included in uplink (ul) and downlink (dl) transmissions for facilitating data demodulation and other purposes, and the locations of the reference signals within any given slot may depend on various factors. ... Qualcomm Incorporated

07/19/18 / #20180205469

Reference signal measurement filtering in multi-beam operation

Techniques for performing reference signal measurement filtering in systems that support multi-beam operation are provided. A method for wireless communication by a base station (bs) includes determining at least one beam configuration for measuring reference signals transmitted from the apparatus, and signaling the beam configuration(s) to at least one user equipment (ue). ... Qualcomm Incorporated

07/19/18 / #20180205441

Short uplink feedback related methods and apparatus

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus, e.g., an ap, may transmit, to a set of stations, a trigger frame comprising a request for feedback from each station of the set of stations and an indication of a plurality of resources for each station to provide the feedback. ... Qualcomm Incorporated

07/19/18 / #20180205434

Methods and systems for coordinating distributed mimo communications

Methods and systems for coordinating simultaneous transmission by two or more access points over a single channel of a wireless medium are disclosed. In one aspect, a method includes determining, by a first access point, a time when the first access point and a second access point will transmit simultaneously over the channel, and transmitting, by the first access point, over the channel at the time.. ... Qualcomm Incorporated

07/19/18 / #20180205429

Methods and systems for simultaneous multi access point transmissions on a wireless channel

Methods and systems provide implementations for distributed mimo communication. In one aspect, a method includes receiving a network message including data indicative of user data for transmission by a first access point to a first station over the wireless network prior to the transmission, generating precoded second data for transmission to the first station based on the data indicative of the user data, and transmitting, the precoded data to a third device. ... Qualcomm Incorporated

07/19/18 / #20180205426

Methods and apparatus for acknowledging multiple user uplink transmissions

Methods and systems for acknowledging multi-user transmissions on a wireless network include receiving a multi-user transmission comprising a first message from the first device and a second message from the second device, generating a first media access control protocol data unit, the first media access control protocol data unit acknowledging the first message and including a destination address field identifying the first device, generating a second media access control protocol data unit, the second media access control protocol data unit acknowledging the second message and including a destination address field identifying the second device, generating an aggregated media access control protocol data unit (a-mpdu) comprising the first media access control protocol data unit (mpdu) and the second media access control protocol data unit (mpdu); and transmitting the aggregated media access control protocol data unit (a-mpdu) on the wireless network.. . ... Qualcomm Incorporated

07/19/18 / #20180205423

Efficient beamforming technique

Certain aspects of the present disclosure provide methods and apparatus for signaling a receive antenna mode to use during beamforming training procedure. For example, an apparatus for wireless communications, may generally include a processing system configured to generate a first frame having one or more beamforming training fields to be output for transmission to a wireless device using a directional transmit antenna mode and an indication whether the wireless device is to be in an omni-directional receive antenna mode to receive the one or more beamforming training fields, and a first interface configured to output the first frame for transmission.. ... Qualcomm Incorporated

07/19/18 / #20180205419

Coordinated beamforming groups

Various aspects of the disclosure relate to beamforming communication using coordination among a group of apparatuses. For example, a plurality of access points may coordinate to form a beamforming group.. ... Qualcomm Incorporated

07/19/18 / #20180205413

Techniques for low-loss multi-band multiplexing

Various aspects described herein relate to low-loss multi-band multiplexing schemes for a wireless communications system, for example, a 5th generation (5g) new radio (nr) system. In an aspect, a multiplexer for multi-band wireless communications comprises at least one tuning component configured to transmit or receive at least one signal within a frequency band that is selected from a plurality of frequency bands. ... Qualcomm Incorporated

07/19/18 / #20180205383

Digital clock generation and variation control circuitry

In certain aspects, a digital circuit comprises a delay line to generate a plurality of delayed versions of an input clock. The digital circuit also comprises selection circuitry to provide a selected one of the plurality of delayed versions of the input clock based on a clock selection signal and feedback circuitry to generate the clock selection signal based on the selected one of the plurality of delayed versions of the input clock and based on the input clock. ... Qualcomm Incorporated

07/19/18 / #20180205263

Wireless power transfer for stationary applications

The present disclosure describes aspects of wireless power transfer for stationary applications. In some aspects, a system includes a transmitter and receiver separated by a wireless gap with a membrane. ... Qualcomm Incorporated

07/19/18 / #20180204794

Reducing tip-to-tip distance between end portions of metal lines formed in an interconnect layer of an integrated circuit (ic)

Aspects for reducing tip-to-tip distance between end portions of metal lines formed in an interconnect layer of an integrated circuit (ic) are provided. In one aspect, a method includes exposing a photoresist layer disposed over a hardmask layer to a light to form a metal line pattern on the photoresist layer. ... Qualcomm Incorporated

07/19/18 / #20180204765

Modified self-aligned quadruple patterning (saqp) processes using cut pattern masks to fabricate integrated circuit (ic) cells with reduced area

Aspects describing modified self-aligned quadruple patterning (saqp) processes using cut pattern masks to fabricate integrated circuit (ic) cells with reduced area are disclosed. In one aspect, a modified saqp process includes disposing multiple mandrels. ... Qualcomm Incorporated

07/19/18 / #20180204579

Inter-channel phase difference parameter modification

A method includes performing modifying, at a decoder, at least a portion of inter-channel phase difference (ipd) parameter values based on a mismatch value to generate modified ipd parameter values. The mismatch value is indicative of an amount of temporal misalignment between an encoder-side reference channel and an encoder-side target channel. ... Qualcomm Incorporated

07/19/18 / #20180204578

Coding of multiple audio signals

A residual scaling unit is configured to determine a scaling factor for a residual channel based on an inter-channel mismatch value. The inter-channel mismatch value is indicative of a temporal alignment between a reference channel and a target channel. ... Qualcomm Incorporated

07/19/18 / #20180204386

Directional and x-ray view techniques for navigation using a mobile device

Techniques for displaying navigation information on a mobile device are provided that include a method that includes obtaining an indication of a position and an indication of a direction associated with the mobile device, using the indication of the position, the indication of the direction, information regarding identities of pois within a geographic region of interest, and information regarding areas associated with the pois to determine at least one relevant poi, of the pois, that is associated with the position and direction, and displaying at least one visual indication associated with each of the at least one relevant poi on the mobile device. The appearance of the at least one visual indication is dependent on at least one of a distance from the mobile device of the relevant poi associated with the visual indication or presence of a known physical barrier between the mobile device and that relevant poi.. ... Qualcomm Incorporated

07/19/18 / #20180204101

Protection system for radio frequency switches

An antenna tuning circuit achieves robust performance in a closed loop antenna tuning system due to the addition of protection circuits. In one instance, a protection circuit to detect an overload condition based on a threshold value may be included in the antenna tuning circuit. ... Qualcomm Incorporated

07/19/18 / #20180204006

Fast authentication of code in a low-power system

The invention relates to a system comprising a non-volatile memory device configured to contain executable code; and a logic device comprising an internal memory and a processor configured to execute the code contained in the non-volatile memory device, the internal memory being located in a first always-on power domain of the logic device, wherein the system is configured to check whether the internal memory contains a code digest hc, obtain the executable code from the non-volatile memory device, compute a code digest hc″ of the executable code, and, if the code digest hc and the code digest hc″ are identical, execute the executable code. The invention also relates to a corresponding method.. ... Qualcomm Incorporated

07/19/18 / #20180203996

System and method of performing memory data collection for memory forensics in a computing device

Various embodiments include systems, methods and devices for reducing the burden on mobile devices of memory data collection for memory forensics. Various embodiments may include monitoring for changes sections or portions of memory within the computing device that been identified by a network device based on a prior memory snapshot. ... Qualcomm Incorporated

07/19/18 / #20180203778

Periodic non-intrusive diagnosis of lockstep systems

Aspects disclosed herein relate to periodic non-intrusive diagnosis of lockstep systems. An exemplary method includes comparing execution of a program on a first processing system of the plurality of processing systems and execution of the program on a second processing system of the plurality of processing systems using a first comparator circuit, comparing the execution of the program on the first processing system and the execution of the program on the second processing system using a second comparator circuit, and running a diagnosis program on the second comparator circuit while the comparing using the first comparator circuit is ongoing.. ... Qualcomm Incorporated

07/12/18 / #20180199377

Co-existence of millimeter wave communication and radar

Various aspects of the disclosure relate to co-existence of millimeter wave (mmw) communication and radar. In some aspects, a device that supports mmw communication and radar operations may determine whether or when to conduct radar operations based on information obtained about a nearby mmw network. ... Qualcomm Incorporated

07/12/18 / #20180199366

Unicast data transmission on a downlink common burst of a slot using mini-slots

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may schedule a mini-slot for transmission of unicast data to a particular user equipment. ... Qualcomm Incorporated

07/12/18 / #20180199363

Downlink channel rate matching of synchronization signal block transmissions in a new radio wireless communication system

A configurable new radio (nr) resource scheduling and indication transmission procedure that may be executed by a base station and a user equipment (ue) is disclosed. For example, a base station may determine a number of synchronization signal blocks available for transmission of non-scheduling data, and transmit an indication signifying at least one of the number of synchronization signal blocks or a location of each of the number of synchronization signal blocks. ... Qualcomm Incorporated

07/12/18 / #20180199350

Control channel code rate selection

Certain aspects of the present disclosure generally relate to wireless communications and, more particularly, to methods and apparatus for code rate selection for control channels. An exemplary method generally includes selecting, from a set of code rates, a code rate to be used to encode a stream of bits using a polar code, based on at least one of a downlink control channel aggregation size, an uplink control channel assignment, or a payload size of the stream of bits, encoding the stream of bits using the polar code and the selected code rate, and transmitting the encoded stream of bits.. ... Qualcomm Incorporated

07/12/18 / #20180199348

Techniques and apparatuses for differential back-off for long term evolution advanced (lte-a) uplink carrier aggregation (ulca)

Certain aspects of the present disclosure generally relate to wireless communication. A wireless communication device may determine a plurality of differential back-off values based at least in part on at least one of a set of parameter values relating to one or more of a plurality of uplink carriers associated with uplink carrier aggregation or any uplink grants associated with the plurality of uplink carriers. ... Qualcomm Incorporated

07/12/18 / #20180199342

Background scan with dynamic time and frequency switching

A method, an apparatus, and a computer-readable medium for wireless communication are provided. An apparatus is configured to communicate over a primary channel via a first set of antennas and over the primary via a second set of antennas. ... Qualcomm Incorporated

07/12/18 / #20180199340

High reliability low latency mission critical communication

Systems and methods for communicating mission-critical (micri) data in a network including a base station and user equipment (ue) are provided. The methods may include receiving a request message requesting micri data, and transmitting the micri data during a transmission time interval (tti) of a first carrier component or during a transmission time interval (tti) of a second carrier component. ... Qualcomm Incorporated

07/12/18 / #20180199332

Indication of random-access channel msg3 resource duration via random-access channel msg2

In one aspect, a method, a computer-readable medium, and an apparatus for wireless communication are provided. The apparatus may be a base station. ... Qualcomm Incorporated

07/12/18 / #20180199310

Conveying paging group information through control channel transmissions

In a wireless communications system that supports directional communications (e.g., a millimeter wave (mmw) system), a base station and a user equipment (ue) may utilize directional transmissions during a paging procedure. In some cases, a base station may use beam sweeping to transmit a control channel, which may contain a paging group information. ... Qualcomm Incorporated

07/12/18 / #20180199309

Provision of a paging response between transmissions of a paging indication and paging information

A method for wireless communication at a user equipment (ue) includes receiving, from a base station, an indication of uplink transmission resources allocated for a paging response to a paging indication, receiving the paging indication from the base station, and transmitting, to the base station, the paging response to the received paging indication. The paging response is transmitted on at least one of the uplink transmission resources allocated for the paging response. ... Qualcomm Incorporated

07/12/18 / #20180199306

Systems and methods for limiting a message size for a positioning protocol

Techniques described herein provide ways in which a quantity of signaling may be limited between a user equipment (ue) and a location server (ls) for a location session and a positioning protocol such as lpp or lpp/lppe. The positioning protocol may be enhanced to allow the ls to indicate to the ue a limit on the overall size of assistance data (ad) that the ue can request and/or a limit on the overall amount of location information (li) that the ue can return. ... Qualcomm Incorporated

07/12/18 / #20180199304

Small cell identification and assistant data generation for mobile positioning

Disclosed herein are methods, systems, and apparatuses for identifying a small cell in a wireless communication network. In one embodiment, a method includes receiving information associated with one or more base stations, where the information includes one or more codes associated with the one or more base stations. ... Qualcomm Incorporated

07/12/18 / #20180199303

Network management of subscriptions for iot devices

Examples described herein relate to apparatuses and methods for a network to manage communications for a plurality of wireless communication devices including, but not limited to, registering, by the network, the plurality of wireless communication devices associated with a same subscription identifier, identifying, by the network, each of the plurality of wireless communication devices based, at least in part, on device capabilities associated with each of the plurality of wireless communication devices, and routing, by the network, communications to or from each of the plurality of wireless communication devices based, at least in part, on the device capabilities.. . ... Qualcomm Incorporated

07/12/18 / #20180199282

Smart battery wear leveling for audio devices

Various embodiments provide systems and methods among wireless earpieces in a wireless communication network that enable balancing the batteries in the wireless earpieces to be depleted at approximately the same rate. Various embodiments intelligently and dynamically swap master/slave roles among two or more bluetooth® wireless earpieces coupled to a data source device to optimize battery life in both wireless earpieces. ... Qualcomm Incorporated

07/12/18 / #20180199280

Techniques for provisioning configuration information based on cell characteristics

Techniques are described for configuring wireless service for a user equipment (ue) in a wireless communications network in which the ue may be served over one or more of multiple available cells. Wireless service for the ue may be configured based on parameters associated with each of the multiple cells, such as, for example, a primary/secondary cell designation of a cell, whether the cell operates using a licensed or an unlicensed radio frequency spectrum band, a radio access technology associated with a cell, and/or an operating frequency band of a cell. ... Qualcomm Incorporated

07/12/18 / #20180199258

Techniques to identify sets of multiple beams compatible with configurations for routing signals in a user equipment

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) may include receiving a beam training sequence transmitted by a network access device on a plurality of transmit beams, identifying, based at least in part on the received beam training sequence, one or more sets of multiple beams that are compatible with at least one configuration for routing signals between antenna subarrays of the ue and transceiver units (txrus) of the ue, and transmitting, to the network access device, an indication of the identified one or more sets of multiple beams. ... Qualcomm Incorporated

07/12/18 / #20180199256

Beamforming triggering for wireless devices

Certain aspects of the present disclosure provide methods and apparatus for triggering beamforming for a wireless device. For example, an apparatus for wireless communications generally includes a processing system configured to monitor one or more parameters associated with a link between the apparatus and a wireless device, and update a schedule for performing beamforming training with the wireless device based at least in part on the one or more parameters. ... Qualcomm Incorporated

07/12/18 / #20180199215

Filtering extended range frames by high efficiency wireless (hew) stations

This disclosure provides systems, methods and apparatuses for selectively acquiring communication frames from a transmitting device capable of formatting the communication frames in accordance with a plurality of phy formats. In some implementations, a sta may filter or discard duplicate frames received from an ap based, at least in part, on a preference of the sta for one of the plurality of phy formats. ... Qualcomm Incorporated

07/12/18 / #20180199193

Apparatuses and methods for wireless communication

One feature pertains to a method operational at a device. The method includes performing key agreement with a core network device, and generating an authentication session key based in part on a secret key shared with a home subscriber server (hss), where the authentication session key is known to the core network device. ... Qualcomm Incorporated

07/12/18 / #20180199180

Voip emergency call support

Techniques to support emergency voice-over-internet protocol (voip) calls are described. The techniques may be used for various 3gpp and 3gpp2 networks, various location architectures, and various types of user equipment (ue). ... Qualcomm Incorporated

07/12/18 / #20180199160

Systems and methods for supporting control plane location in a fifth generation wireless network

Methods and techniques are described for supporting location services for a user equipment (ue) in a fifth generation wireless network using a location management function (lmf) based control plane (cp) location solution. The lmf serves as the main anchor point for location support instead of an access and mobility management function (amf). ... Qualcomm Incorporated

07/12/18 / #20180199075

Signaling data for prefetching support for streaming media data

A media device pre-fetches media data that is likely to be retrieved. An example media device includes a memory for storing media data, and one or more processors implemented in circuitry and configured to receive information indicating at least one data structure of a plurality of data structures that is likely to be retrieved by a plurality of user devices operated by a respective plurality of users, the data structure including media data, and retrieve the media data of the data structure before receiving requests for the media data from the user devices. ... Qualcomm Incorporated

07/12/18 / #20180199072

Multi-type-tree framework for video coding

A method of decoding video comprising: receiving an encoded block of video data, determining a transform for the encoded block of video data, wherein the transform has a size s that is not a power of two, rounding s to a power of two creating a transform with a modified size s′, applying an inverse transform with the modified size s′ to the encoded block of video data to create residual video data, and decoding the residual video data to create decoded block of video data.. . ... Qualcomm Incorporated

07/12/18 / #20180199071

Signaling of important video information in file formats

A device for processing media content obtains data from a box within a file conforming to a file format for a video codec, the box comprising a syntax structure that includes the data, the file being associated with the media content and the media content being coded according to the video codec; and determines, based on the data obtained from the box, whether to accept or reject the media content associated with the file. A device for generating media content generates data in a box within a file conforming to a file format, the box comprising a syntax structure that includes the data, the file being associated with the media content, wherein the data is for use in determining whether a client is to accept or reject the media content associated with the file; and outputs the file.. ... Qualcomm Incorporated

07/12/18 / #20180199070

Restricted scheme design for video

Techniques and systems are provided for processing video data and processing one or more media format files. For example, video data can be obtained and processed to generate a media format file that includes the video data and a restricted scheme information box associated with the video data. ... Qualcomm Incorporated

07/12/18 / #20180199062

Intra prediction techniques for video coding

A video decoder determines a current block of a current picture of video data has a size of p×q, wherein p is a first value corresponding to a width of the current block and q is a second value corresponding to a height of the current block, wherein p is not equal to q, wherein the current block includes a short side and a long side, and wherein the first value added to the second value does not equal a value that is a power of 2; decodes the current block of video data using intra dc mode prediction, wherein decoding the current block of video data using intra dc mode prediction comprises performing a shift operation to calculate a dc value and generating a prediction block for the current block of video data using the calculated dc value; and outputs a decoded version of the current picture.. . ... Qualcomm Incorporated

07/12/18 / #20180199055

Encoding optimization with illumination compensation and integer motion vector restriction

A video encoder is configured to determine whether to enable or disable an integer motion vector precision restriction and whether to enable or disable an illumination compensation (ic) tool by: for a large search range in a reference picture, performing first motion estimation tests, wherein performing the first motion estimation tests comprises performing motion estimation tests only with the ic tool disabled and the integer motion vector precision restriction disabled and with the ic tool enabled and the integer motion vector precision restriction disabled; based on the first motion estimation tests, determining a small search range, wherein the small search range is smaller than the large search range; for the small search range, performing second motion estimation tests; and based on the second motion estimation tests, determining whether to enable or disable the integer motion vector precision restriction and whether to enable or disable the ic tool.. . ... Qualcomm Incorporated

07/12/18 / #20180199048

Binary arithmetic coding with small tables or short-operand multiplications for video coding

A method of decoding video data including receiving video data including coded representations of syntax elements performing inverse binary arithmetic coding on the coded representations of the syntax elements to obtain bins of the syntax elements, inverse binarizing the bins of the syntax elements to obtain the syntax elements, and decoding the video data based on the syntax elements. Performing the inverse binary arithmetic coding includes determining a probability for a particular coded representation of the coded representations, normalizing the probability for the particular coded representation using right bit shifts to create a normalized probability, determining a product of the normalized probability and a range for the particular coded representation, and updating a range of a least probable symbol for the particular coded representation using the determined product.. ... Qualcomm Incorporated

07/12/18 / #20180199029

Adjusting field of view of truncated square pyramid projection for 360-degree video

Techniques and systems are described for encoding 360-degree video data using the planes of a truncated square pyramid to map the 360-degree data for different fields of view. 360-degree video data can include multiple frames, where each frame includes spherical video data. ... Qualcomm Incorporated

07/12/18 / #20180198871

Systems and methods for opaque object delivery in a communication network

Systems and methods for delivery of opaque objects provided by a content provider to network nodes within a communication network are described. Opaque objects may comprise data objects whose data structure is not natively defined in the network interface and thus have a data type and/or structure that would be unknown to systems of the network. ... Qualcomm Incorporated

07/12/18 / #20180198812

Context-based detection of anomalous behavior in network traffic patterns

Various embodiments provide methods, devices, and non-transitory processor-readable storage media for detecting anomalies in network traffic patterns with a network device by analyzing patterns in network traffic packets traversing the network. Various embodiments include clustering received network traffic packets into groups. ... Qualcomm Incorporated

07/12/18 / #20180198664

Communicating synchronization signals in wireless communications

Aspects of the present disclosure describe receiving synchronization signals in wireless communications. A block of synchronization signals can be received from a base station in a first time interval. ... Qualcomm Incorporated

07/12/18 / #20180198660

Multiplexing uplink transmissions with transmit diversity with single carrier waveform

Methods, systems, and devices for wireless communication are described that support multiplexing uplink transmissions with transmit diversity with a single carrier waveform. Two or more ues may be configured to use space time block codes (stbc) for transmissions using multiple uplink antennas. ... Qualcomm Incorporated

07/12/18 / #20180198648

Signal scrambling sequence techniques for wireless communications

Techniques for scrambling sequence generation may provide scrambling for a reference signal, a control signal, or a data signal that is independent of a center frequency of a wireless system bandwidth. Generated scrambling sequences may allow for demodulation of signals in which a synchronization channel does not share a same center frequency as the wireless system bandwidth.. ... Qualcomm Incorporated

07/12/18 / #20180198603

Lightweight mitigation against first-order probing side-channel attacks on block ciphers

Techniques for mitigating side-channel attacks on cryptographic algorithms are provided. An example method according to these techniques includes applying a block cipher algorithm to an input data to generate a cryptographic output, such that applying the block cipher to input data comprises modifying an output of a stage of the block cipher algorithm such that each output of the stage of the block cipher algorithm has a constant hamming weight, and outputting the cryptographic output.. ... Qualcomm Incorporated

07/12/18 / #20180198584

Using sequences of pilot repetitions for receiver adaptation

Various aspects of the disclosure relate to communication using sequences of pilot repetitions to adapt the operation of a receiver. Various aspects of the disclosure relate to communication using short training fields to adapt the operation of a receiver.. ... Qualcomm Incorporated

07/12/18 / #20180198564

Mutual-information based recursive polar code construction

Decoding and encoding methods, systems, and devices for wireless communication are described. One method may include receiving a codeword over a wireless channel, the codeword being encoded using a polar code, identifying a set of repeated bit locations in the received codeword, and identifying a set of bit locations of the polar code used for information bits for the encoding. ... Qualcomm Incorporated

07/12/18 / #20180198560

Generalized polar code based on polarization of linear block codes and convolutional codes

Aspects of the disclosure relate to a channel coding and decoding algorithm that provides for generalized polar codes, including the concatenation of a plurality of component codes via one-step polarization. In a further aspect, selection of suitable component codes in this scheme can result in a generalized polar code having a cyclic shift property, such that information can be implicitly communicated according to the magnitude of the cyclic shift. ... Qualcomm Incorporated

07/12/18 / #20180198556

Techniques for managing a plurality of radio access technologies accessing a shared radio frequency spectrum band

Techniques are described for wireless communication. A first method includes sensing an indication of first radio access technology (rat) communications occupying a shared radio frequency spectrum band; and configuring, in response to the sensing, at least one parameter of a second rat used by a device to contend for access to the band. ... Qualcomm Incorporated

07/12/18 / #20180198544

Content provider network interface

Systems and methods providing a robust network interface to facilitate an understanding of the network by an external party or entity, such as a content provider, without disclosing network configuration details are described. In operation of a network interface of embodiments, a content provider system is able to obtain robust network information and facilitate ad sales via automated interfaces, wherein descriptions of ad avail opportunities that include information regarding the geographic area and potential target device population are provided.. ... Qualcomm Incorporated

07/12/18 / #20180198518

Method and apparatus for spectral efficient data transmission in satellite systems

A communication satellite system provides for spectral efficient data transmissions by a gateway to multiple user terminals by way of a satellite. The gateway transmits multiple blocks in a single slot, each block intended for one of the user terminals, where each block is encoded and modulated according to a scheme that may be different for each intended user terminal. ... Qualcomm Incorporated

07/12/18 / #20180198506

Fragmented beamforming for wireless devices

Certain aspects of the present disclosure provide methods and apparatus for a fragmented beamforming training procedure. For example, an apparatus for wireless communications may include a processing system configured to generate a plurality of first frames, each first frame comprising a preamble, a data field, and one or more beamforming training fields. ... Qualcomm Incorporated

07/12/18 / #20180198505

Wide transmit sector level sweep (sls) sectors

Certain aspects of the present disclosure provide methods and apparatus for using wide transmit sector level sweep (sls) sectors.. . ... Qualcomm Incorporated

07/12/18 / #20180198503

Fast training on multi-antenna systems

Certain aspects of the present disclosure relate to methods and apparatus for performing beamforming training in multi-antenna wireless devices. For example, an apparatus for wireless communication may include a first interface configured to obtain, from each of a plurality of radio frequency (rf) modules, a first information regarding detection of one or more pilot signals via at least one antenna element at a respective one of the plurality of rf modules. ... Qualcomm Incorporated

07/12/18 / #20180198497

Method and apparatus forcsi reporting in elevation beamforming and fd-mimo

Methods, systems, and devices are described for wireless communication. The ue may identify, at a user equipment (ue), a codebook type indicator (cti) that indicates a codebook among a set of codebooks, such that the codebook may be associated with a two-dimensional antenna port structure of a base station, select a precoding matrix indicator (pmi) based on the cti, and transmit a channel state information (csi) report including the pmi. ... Qualcomm Incorporated

07/12/18 / #20180198469

Low latency bit-reversed polar codes

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine indices associated with m consecutive elements. ... Qualcomm Incorporated

07/12/18 / #20180198428

Low-noise amplifier (lna) with capacitive attenuator

Certain aspects of the present disclosure generally relate to a multi-output amplifier implemented using a capacitive attenuator. For example, the multi-output amplifier generally includes a first capacitive attenuator coupled to an input node of the multi-output amplifier. ... Qualcomm Incorporated

07/12/18 / #20180198416

Efficient wideband envelope tracking power amplifier

A wideband envelope tracking power amplifier includes a plurality of low dropout voltage regulators (ldos) including at least a first ldo and a second ldo. The wideband envelope tracking power amplifier also includes a single-input-multi-output (simo) voltage supply to output a plurality of voltage signals at different voltage levels, the voltage levels including a highest voltage level and one or more voltage levels lower than the highest voltage level. ... Qualcomm Incorporated

07/12/18 / #20180198323

Foreign object detection using heat sensitive material and inductive sensing

In certain aspects, a method and apparatus for detecting foreign objects using heat sensitive material and inductive sensing is disclosed. In certain aspects, a foreign object detection system includes a heat sensing system comprising a heat sensitive material having a property configured to change as a function of temperature. ... Qualcomm Incorporated

07/12/18 / #20180198321

Multiphysics energy harvester for implants

The present disclosure describes aspects of a multiphysics energy harvester for implants. In some aspects, an apparatus includes a multiphysics energy (mpe) harvester to harvest energy from at least a first and second type of wireless power transfer signal. ... Qualcomm Incorporated

07/12/18 / #20180198272

Zener overvoltage protection (ovp) with a thermal trigger

The present disclosure describes aspects of zener overvoltage protection (ovp) with a thermal trigger for an implant. In some aspects, an apparatus comprises a rectifier disposed in a rectification circuit and configured to rectify alternating current (ac) power received at the rectification circuit to direct current (dc) power. ... Qualcomm Incorporated

07/12/18 / #20180198055

Apparatus and method for poling a piezoelectric film

Disclosed are methods, devices, apparatuses, and systems for poling a piezoelectric film. A poling system can be a corona poling system including a corona source with one or more corona wires configured to transfer a corona discharge onto a major surface of the piezoelectric film. ... Qualcomm Incorporated

07/12/18 / #20180197743

Layout effect mitigation in finfet

Multigate devices and fabrication methods that mitigate the layout effects are described. In conventional processes to fabricate multigate semiconductor devices such as finfet devices, long isolation cut masks may be used. ... Qualcomm Incorporated

07/12/18 / #20180197594

Coincident memory bank access via cross connected shared bank resources

Systems, methods, and computer programs are disclosed for providing coincident memory bank access. One embodiment is a memory device comprising a first bank, a second bank, a first bank resource, and a second bank resource. ... Qualcomm Incorporated

07/12/18 / #20180197557

Characteristic-based speech codebook selection

An apparatus includes a speech processing engine configured to receive data corresponding to speech and to determine whether a first characteristic associated with the speech differs from a reference characteristic by at least a threshold amount. The apparatus further includes a selection circuit responsive to the speech processing engine. ... Qualcomm Incorporated

07/12/18 / #20180197294

Methods and apparatus for video background subtraction

Methods and an apparatus for background subtraction are described. According to some implementations, the temporal history of a pixel location can be used to classify whether a current input pixel of a current input video frame is a background pixel or a foreground pixel. ... Qualcomm Incorporated

07/12/18 / #20180197040

System and method of generating a semantic representation of a target image for an image processing operation

Various embodiments may include a computing device analyzing an image to identify one or more elements of interest in the image, identifying concepts associated with elements of interest in the image, and identifying potential elements of interest and potential concepts that are not included in the image using other information. Various embodiments may include presenting the one or more elements of interest, the one or more potential elements of interest, and the one or more concepts, receiving a user input that selects one or more of the one or more elements of interest, the one or more potential elements of interest, and the one or more concepts identified in the identified elements of interest and concepts or any combination thereof for a target image, and generating the semantic representation of the target image based on the selected elements of interest and concepts.. ... Qualcomm Incorporated

07/12/18 / #20180196988

Progressive multiple fingerprint enrollment and matching, and dynamic user account transitions

An apparatus may include a fingerprint sensor system and a control system. The control system may be configured for receiving fingerprint sensor data from the fingerprint sensor system and for extracting fingerprint data from the fingerprint sensor data. ... Qualcomm Incorporated

07/12/18 / #20180196982

Dual-mode capacitive and ultrasonic fingerprint and touch sensor

This disclosure provides systems, methods and apparatus for a controller configured to switch operation of a fingerprint sensor among operational modes. In one aspect, a fingerprint sensor may switch from operating in a first operational mode to a second operational mode based on one or more characteristics of fingerprint image data generated with the fingerprint sensor operating in the first operational mode. ... Qualcomm Incorporated

07/12/18 / #20180196777

Methods to send extra information in-band on inter-integrated circuit (i2c) bus

System, methods and apparatus are described that offer improved performance of an inter-integrated circuit (i2c) bus. Primary data may be encoded in first signaling in accordance with i2c bus protocols, and the first signaling may be combined with second signaling to obtain combined signaling for transmission on an i2c bus. ... Qualcomm Incorporated

07/12/18 / #20180196776

Data bus activation in an electronic device

Data bus activation in an electronic device is provided. In one aspect, a host circuit determines a cumulative potential representing a cumulative fractional bus activation vote on a data line(s) in the data bus. ... Qualcomm Incorporated

07/12/18 / #20180196770

Forced compression of single i2c writes

Systems, methods, and apparatus are described that enable a physical layer interface of a device coupled to a serial bus to combine two or more single-byte write transactions to obtain a multi-byte write transaction. A method includes buffering a first single-byte transaction addressed to a first register at a first address of a slave device in a first-in-first-out buffer of the physical layer, receiving at the physical layer a second single-byte transaction addressed to a second register at a second address of the slave device coupled to the serial bus, determining in the physical layer whether the second address is incrementally greater than the first address, combining the second single-byte transaction with the first single-byte transaction to obtain a multi-byte transaction, replacing the first single-byte transaction with the multi-byte transaction in the first-in-first-out buffer, and transmitting a sequence of transactions output by the first-in-first-out buffer over the serial bus.. ... Qualcomm Incorporated

07/12/18 / #20180196715

Techniques to improve data transfer reliability

Techniques are described herein to dynamically control a number of hybrid automatic repeat requests (harq) transmissions based at least in part on flow characteristics of a data flow. Data included in a transport block may be grouped into one or more data flows based on a variety of factors. ... Qualcomm Incorporated

07/12/18 / #20180196681

Selective processor wake-up in an electronic device

Selective processor wake-up in an electronic device is provided. In one aspect, a master circuit in an electronic device is communicatively coupled to a data bus that includes a primary data line and a plurality of secondary data lines preconfigured to identify a plurality of processors in the electronic device, respectively. ... Qualcomm Incorporated

07/12/18 / #20180196609

Data deduplication using multi-chunk predictive encoding

Various embodiments may include methods, devices, and non-transitory processor-readable media for performing data stream encoding by identifying a first data chunk and calculating a first hash value for the first data chunk. A device may determine whether the calculated first hash value is located within a hash table. ... Qualcomm Incorporated

07/12/18 / #20180196427

Managing vehicle driving control entity transitions of an autonomous vehicle based on an evaluation of performance criteria

In an embodiment, a vehicle controller determines a predicted driving performance level of a vehicle driving control entity (vdce) while the vehicle is controlled by a different vdce. Driving control is transitioned to the vdce, after which an actual driving performance level of the vdce is monitored. ... Qualcomm Incorporated

07/12/18 / #20180196125

Systems and methods for lidar interference mitigation

Systems and methods for lidar interference mitigation are disclosed. One disclosed system includes: a beam transmitting device configured to transmit a light beam; an optical detector comprising a plurality of pixels, each of the plurality of pixels configured to generate a detection signal in response to detecting incident light, wherein the incident light comprises a reflection of the light beam from an object; and an analog circuit coupled to one or more of the plurality of pixels and configured to compare one or more of the detection signals to a reference signal and output a comparison signal associated with the one or more of the plurality of pixels.. ... Qualcomm Incorporated

07/12/18 / #20180192921

Activity monitoring via accelerometer threshold interrupt method

Methods, systems, computer-readable media, and apparatuses for determining a sedentary state of a user are disclosed. The apparatuses can be fastened to the user and include sensors configured to detect movement of the user. ... Qualcomm Incorporated

07/05/18 / #20180192438

User equipment reporting of receive beam change indication

Certain aspects of the present disclosure provide techniques for reporting information regarding receive (rx) beams used by a user equipment. In some cases, such reporting may indicate a change in rx beams to be used by the ue for subsequent beamformed transmissions.. ... Qualcomm Incorporated

07/05/18 / #20180192418

Ultra-low latency lte control data communication

Various aspects described herein relate to communicating in a wireless network. A transmission time interval (tti) for an uplink control channel transmission within a subframe is determined, wherein the tti comprises of a number of symbols which are a subset of a plurality of symbols in the subframe. ... Qualcomm Incorporated

07/05/18 / #20180192400

Techniques for flexible duplexing

The present disclosure, for example, generally relates to wireless communication systems, and more particularly to techniques for flexible duplexing in such systems. For example, a technique for flexible duplexing provides a reference configuration that determines characteristics for paired frequency division duplexing (fdd) bands when the uplink band is temporarily reconfigured for time division duplexing (tdd) use. ... Qualcomm Incorporated

07/05/18 / #20180192391

Enhancing positioning via measurement batching

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for enhancing positioning, which may include e911 positioning, via measurement batching, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

07/05/18 / #20180192374

Low power location tracking device

Disclosed herein are techniques for reducing power consumption of an electronic tracking device. The electronic tracking device includes a wireless communication subsystem and an always-on low-power sensor for sensing the motions of the electronic tracking device. ... Qualcomm Incorporated

07/05/18 / #20180192312

Ultra reliable link design

Techniques are described for wireless communication. A first method includes measuring, by a first device, a condition of a wireless channel; and generating at least one channel side information feedback message based on the measured condition of the wireless channel. ... Qualcomm Incorporated

07/05/18 / #20180192252

Enhancing positioning via measurement batching

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for enhancing positioning, which may include e911 positioning, via measurement batching, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

07/05/18 / #20180192072

Motion vector reconstructions for bi-directional optical flow (bio)

For a bi-directional inter predicted block, a video decoder is configured, using a first mv, to locate a first predictive block in a first reference picture; using a second mv, locate a second predictive block in a second reference picture; for a first sub-block of the first predictive block, determine a first amount of bi-directional optical flow (bio) motion; determine a first final predictive sub-block for the block of video data based on the first amount of bio motion; for a second sub-block of the first predictive block, determine a second amount of bio motion; determine a second final predictive sub-block for the block of video data based on the second amount of bio motion; and based on the first final predictive sub-block and the second final predictive sub-block, determine a final predictive block for the block of video data.. . ... Qualcomm Incorporated

07/05/18 / #20180192069

Motion vector generation for affine motion model for video coding

Techniques are described to unify the motion vectors of sub-blocks of an affine block and the motion vector information that is stored and used as predictors for determining motion vectors for subsequent blocks. A video coder may determine that the motion vector for a sub-block is the same as the motion vector information that is used to determine motion vectors for subsequent blocks.. ... Qualcomm Incorporated

07/05/18 / #20180192050

Modified adaptive loop filter temporal prediction for temporal scalability support

A video coder may reconstruct a current picture of video data. A current region of the current picture is associated with a temporal index indicating a temporal layer to which the current region belongs. ... Qualcomm Incorporated

07/05/18 / #20180192035

Systems and methods for object location

A method performed by an apparatus is described. The method includes receiving a set of image frames including at least one object. ... Qualcomm Incorporated

07/05/18 / #20180191993

Dynamically configuring memory bandwidth for image generation

A device may include one or more processors, an image signal processor, and system memory. The one or more processors are configured to receive a request to accommodate a preview stream and a snapshot stream and output a request to increase a bandwidth between the image signal processor and the system memory to accommodate the preview stream in response to receiving the request to accommodate the preview stream and the snapshot stream. ... Qualcomm Incorporated

07/05/18 / #20180191480

Block acknowledgement with fragmentation acknowledgement signaling

Certain aspects of the present disclosure provide methods and apparatus for using a block acknowledgement (blockack) frame capable of acknowledging fragments. One example method for wireless communications generally includes receiving a plurality of protocol data units (pdus) (e.g., media access control (mac) protocol data units (mpdus)); determining whether each of the pdus was successfully received and whether each of the pdus is associated with a non-fragmented service data unit (sdu) (e.g., mac service data unit (msdu)) or a fragmented sdu; and outputting for transmission a blockack frame comprising a bitmap field indicating a receive status for the non-fragmented and fragmented sdus based on the determination.. ... Qualcomm Incorporated

07/05/18 / #20180191470

Methods and apparatuses for indication of transmission preemption based on a hybrid automatic repeat request configuration

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive, at a first location in a downlink signal, preemption information that identifies a second location of a first type of traffic that preempts a second type of traffic, the first location relative to the second location being based at least in part on a hybrid automatic repeat request (harq) configuration of the ue. ... Qualcomm Incorporated

07/05/18 / #20180191466

Method and apparatus for providing an efficient control channel structure in a wireless communication system

According to one aspect of the invention, a method is provided in which a control channel used for transmitting control information is partitioned into a plurality of subchannels each of which is operated at a specific data rate. For each of one or more user terminals, one of the subchannels is selected based on one or more selection criteria for transmitting control information from an access point to the respective user terminal. ... Qualcomm Incorporated

07/05/18 / #20180191460

Method and apparatus for sending channel state information using subframe-dependent control channel formats

Techniques for reporting channel state information (csi) for multiple cells (e.g., carriers) using multiple control channel formats are disclosed. A user equipment (ue) may be configured for operation on a plurality of cells. ... Qualcomm Incorporated

07/05/18 / #20180191436

Power efficient visible light communication

Embodiments disclosed facilitate power and resource utilization efficiencies in user equipment (ue) during visible light communication (vlc). Vlc may be used for ue pose determination and may involve image frame capture at relatively high frame rates thereby increasing resource utilization including power consumption in ues. ... Qualcomm Incorporated

07/05/18 / #20180191435

Power-efficient visible light communication (vlc) scanning

Disclosed are systems and methods for power efficient visible light communication (vlc) scanning. In an aspect, a mobile device determines that the mobile device has lost view of a vlc light source, turns on, in response to determining that the mobile device has lost view of the vlc light source, a camera of the mobile device in a low-resolution mode to scan for any vlc light sources within view of the mobile device, and switches, based on detecting a detected vlc light source, the camera of the mobile device to a high-resolution mode to decode vlc signals from the detected vlc light source.. ... Qualcomm Incorporated

07/05/18 / #20180191419

Long beamforming training field sequences

Certain aspects of the present disclosure provide methods and apparatus for using frames having beamforming training fields with base complementary code sequences that have a longer length than complementary code sequences used in other fields of the frame. The longer length may help perform channel estimation when encountering longer delay spread, for example, due to multipath effects of multiple beams during a beamforming training procedure. ... Qualcomm Incorporated

07/05/18 / #20180190338

Ferroelectric-modulated schottky non-volatile memory

Ferroelectric-modulated schottky non-volatile memory is disclosed. A resistive memory element is provided that is based on a semiconductive material. ... Qualcomm Incorporated

07/05/18 / #20180190282

In-vehicle voice command control

A vehicle includes an interface device, an in-vehicle control unit, a functional unit, and a processing circuitry. The interface device receives a spoken command to identify an in-cabin vehicle zone of two or more in-cabin vehicle zones of the vehicle, and receives background audio data concurrently with a portion of the spoken command. ... Qualcomm Incorporated

07/05/18 / #20180190258

Adaptations for active noise cancellation inside a vehicle

Adaptations for in-vehicle adaptive noise-canceling (anc) technology are described. An example in-vehicle audio system includes anc circuitry coupled to one or more error microphones. ... Qualcomm Incorporated

07/05/18 / #20180189971

Capturing images of a game by an unmanned autonomous vehicle

Embodiments include devices and methods for capturing images of a game by an unmanned autonomous vehicle (uav). A processor of the uav may determine game play rules of the game. ... Qualcomm Incorporated

07/05/18 / #20180189923

Draw call visibility stream

This disclosure describes a device configured to generate a primitive visibility stream that indicates whether respective primitives of a set of primitives are visible when rendered and to generate, based on the primitive visibility stream, a draw call visibility stream that indicates whether respective draw calls for rendering the set of primitives include instructions for rendering visible primitives of the set of primitives. Based on the draw call visibility stream indicating that a respective draw call does not include instructions for rendering visible primitives, the device is further configured to drop the respective draw call. ... Qualcomm Incorporated

07/05/18 / #20180189609

Training data for machine-based object recognition

Systems and methods may enable a user who may not have any experience in machine learning to effectively train new models for use in object recognition applications of a device. Embodiments can include, for example, analyzing training data comprising a set of images to determine a set of metrics indicative of a suitability of the training data in machine-learning training for object recognition, and providing an indication of the set of metrics to a user. ... Qualcomm Incorporated

07/05/18 / #20180189601

Systems and methods for mapping based on multi-journey data

A method performed by an apparatus is described. The method includes receiving a first set of object data corresponding to a first journey. ... Qualcomm Incorporated

07/05/18 / #20180189580

Simultaneous object detection and rigid transform estimation using neural network

A method, a computer-readable medium, and an apparatus for object detection are provided. The apparatus may determine a regression vector using a neural network based on an input image that contains an object. ... Qualcomm Incorporated

07/05/18 / #20180189577

Systems and methods for lane-marker detection

An electronic device is described. The electronic device includes a memory and a processor in communication with the memory. ... Qualcomm Incorporated

07/05/18 / #20180189576

Systems and methods for classifying road features

An electronic device is described. The electronic device includes a memory and a processor in communication with the memory. ... Qualcomm Incorporated

07/05/18 / #20180189466

Device authentication based on behavior classification using convolution neural network

A method of authenticating a user on a mobile device includes gathering samples of behavioral data of the user from multiple sensors of the mobile device, each sensor generating a different number of samples. The method also includes normalizing the samples to have a same number of samples for each sensor. ... Qualcomm Incorporated

07/05/18 / #20180189228

Guided machine-learning training using a third party cloud-based system

Systems and methods may enable a user who may not have any experience in machine learning to effectively train new models for use in object recognition applications of a device. Embodiments can include, for example, analyzing training data comprising a set of images to determine a set of metrics indicative of a suitability of the training data in machine-learning training for object recognition, and providing an indication of the set of metrics to a user. ... Qualcomm Incorporated

07/05/18 / #20180189195

Non-volatile random access memory with gated security access

Systems and methods are disclosed for providing secure access to a non-volatile random access memory. One such method comprises sending an unlock password to a non-volatile random access memory (nvram) in response to a trusted boot program executing on a system on chip (soc). ... Qualcomm Incorporated

07/05/18 / #20180189179

Dynamic memory banks

A cache memory may receive, from a client, a request for a long cache line of data. The cache memory may receive, from a memory, the requested long cache line of data. ... Qualcomm Incorporated

07/05/18 / #20180189056

Architecture for sparse neural network acceleration

A method, a computer-readable medium, and an apparatus for a sparse neural network are provided. The apparatus may include a hardware accelerator. ... Qualcomm Incorporated

07/05/18 / #20180188988

Partial page access in a low power memory system

Systems and method are directed to reducing power consumption of a memory based on enabling partial page access. Based on system conditions such as operating frequency, access size for one or more memory access requests are determined. ... Qualcomm Incorporated

07/05/18 / #20180188847

Highly configurable front end for touch controllers

In some aspects of the present disclosure, a method for touch-panel processing is provided. The method includes receiving a plurality of sensor signals from a touch panel, wherein each one of the plurality of sensor signals corresponds to a respective one of a plurality of channels of the touch panel. ... Qualcomm Incorporated

07/05/18 / #20180188846

Highly configurable front end for touch controllers

In some aspects of the present disclosure, a touch-panel interface includes a plurality of receivers, wherein each of the receivers is coupled to one or more receive lines of a touch panel, and each of the receivers includes a switch capacitor network and an amplifier. The touch-panel interface also includes controller configured to control switches in the switch capacitor network of each of one or more of the receivers to operate each of the one or more of the receivers in one of a plurality of different receiver modes.. ... Qualcomm Incorporated

07/05/18 / #20180188791

Wake-up detector

The apparatus is a wake-up circuit including a first comparator coupled to an input signal and configured to compare the input signal to a first comparison value. The wake-up circuit includes a second comparator coupled to the input signal and configured to compare the input signal to a second comparison value. ... Qualcomm Incorporated

07/05/18 / #20180188754

Voltage droop mitigation circuit for power supply network

A voltage droop reduction circuit generally including a loop coupled to an output of a voltage regulator is provided. The loop includes a first current amplifier. ... Qualcomm Incorporated

07/05/18 / #20180188695

User location and activity based smart reminders

In one aspect, an apparatus for scheduling are provided. The apparatus may detect a user activity. ... Qualcomm Incorporated

07/05/18 / #20180188384

Systems and methods for using a sliding window of global positioning epochs in visual-inertial odometry

A method for visual inertial odometry (vio)-aided global positioning is described. The method includes updating an extended kalman filter (ekf) state including a current pose and a sliding window of multiple prior poses. ... Qualcomm Incorporated

07/05/18 / #20180188383

Position-window extension for gnss and visual-inertial-odometry (vio) fusion

Techniques provided herein are directed toward virtually extending an updated set of output positions of a mobile device determined by a vio by combining a current set of vio output positions with one or more previous sets of vio output positions in such a way that ensure all outputs positions among the various combined sets of output positions are consistent. The combined sets can be used for accurate position determination of the mobile device. ... Qualcomm Incorporated

07/05/18 / #20180188382

Selection of gnss data for positioning fusion in urban environments

Techniques provided herein are directed toward selecting gnss measurements to greatly improve the position accuracy while keeping the complexity bounded. Specifically, only subset of available gnss measurements in a window of time is selected for outlier rejection and estimation algorithms, where gnss measurements are selected such that corresponding measurement locations are spaced with at least a minimum distance.. ... Qualcomm Incorporated

07/05/18 / #20180188381

Motion propagated position for positioning fusion

Techniques provided herein are directed toward reducing inaccuracies in a fused gnss/vio output by comparing gnss/vio position candidates with an estimated position based on vio propagation or other motion detection. If, for a given gnss epoch, none of the position candidates are within a threshold distance of the estimated position, the estimated position is used as the determined position for the epoch. ... Qualcomm Incorporated

07/05/18 / #20180188380

Controlling sampling rate in non-causal positioning applications

Techniques for controlling sampling rates in non-causal positioning applications are provided. An example method for controlling a sampling rate in a mobile device includes determining one or more positions based on external signal information, such that the one or more positions are determined at a position fix rate, storing sensor information associated with one or more sensors at a sensor sampling rate, calculating a position estimate based on a non-causal analysis of the one or more positions and the sensor information, such that the non-causal analysis utilizes past, present and future positions and the corresponding past, present and future sensor information, comparing the position estimate to a quality of service (qos) value, and modifying the position fix rate based on the comparison of the position estimate to the qos value.. ... Qualcomm Incorporated

07/05/18 / #20180188032

Systems and methods for using a global positioning system velocity in visual-inertial odometry

A method performed by an electronic device is described. The method includes determining a predicted velocity relative to earth corresponding to a first epoch using a camera and an inertial measurement unit (imu). ... Qualcomm Incorporated

07/05/18 / #20180186471

360 degree camera mount for drones and robots

An apparatus for mounting cameras to a drone may include a frame having camera mounts for mounting two 190-degree field-of-view cameras in a back-to-back orientation. Positioning two 190-degree field-of-view cameras in a back-to-back orientation enables obtaining 360-degree field-of-view by stitching images from the two cameras together. ... Qualcomm Incorporated

06/28/18 / #20180184463

Priority management for new radio-spectrum sharing (nr-ss)

Wireless communications systems and methods related to managing dynamic priority-based spectrum access are provided. A first wireless communication device transmits dynamic priority information for accessing a shared spectrum in a transmission opportunity (txop). ... Qualcomm Incorporated

06/28/18 / #20180184457

Directional reception and periodic rts/cts transmission to estimate interference

A transmitting device may determine that a first neighbor device is communicating with a second neighbor device based on a signal received from the first device (e.g., a request-to-send (rts) signal) during a listen-before-talk (lbt) period. The transmitting device may also identify a direction of the second neighbor device (e.g., based on signals received during a previous lbt period), and determine the amount of interference that a directional transmission may cause at the second neighbor device. ... Qualcomm Incorporated

06/28/18 / #20180184452

Avoiding collisions of positioning signals

An example of a method of operating a mobile device includes obtaining positioning signal timing information that indicates a plurality of times when the mobile device will receive positioning signals from one or more base stations associated with a first subscription to a first wireless network; obtaining tune-away information that indicates when a first receiver of the mobile device is scheduled to tune away from the first subscription to receive signals using a second subscription to a second wireless network; and implementing a collision-reduction measure in response to an expected number of collisions meeting a criterion. The expected number of collisions is a number of instances that positioning signals are expected not to be received by the mobile device based on the positioning signal timing information and the tune-away information.. ... Qualcomm Incorporated

06/28/18 / #20180184447

Techniques and apparatuses for multiple types of physical random access channel (prach) transmission utilization

A user equipment (ue) may perform a random access procedure to synchronize with a network for uplink and/or downlink communication. The ue may transmit a first type of random access transmission that includes transmitting a preamble or a second type of random access transmission that includes transmitting a preamble and a random access message. ... Qualcomm Incorporated

06/28/18 / #20180184444

Adaptive ultra-reliable low-latency communications (urllc) semi-persistent scheduling

Methods, systems, and devices for wireless communication for adaptive ultra-reliable low-latency communications (urllc) semi-persistent scheduling (sps) are described. One method includes determining a data packet payload size for a transmission using sps resources in a transmission time interval (tti). ... Qualcomm Incorporated

06/28/18 / #20180184443

Semi-persistent scheduling for low-latency communications

Methods, systems, and devices for wireless communication are described for sps for low-latency communications. A wireless communication device may establish a block of semi-persistent scheduling (sps) resources in each of a plurality of transmission time intervals (ttis) for transmission of priority traffic, and determine that a level of priority traffic to transmit during a first tti of the plurality of ttis is below a priority traffic threshold. ... Qualcomm Incorporated

06/28/18 / #20180184431

Traffic-priority-based transmission power fallback for interference mitigation

Methods, systems, and devices for wireless communication are described to provide priority traffic grant-less access to pre-defined communication resources that are semi-persistently scheduled. A set of semi-persistent communication resources may be reserved for use by priority traffic. ... Qualcomm Incorporated

06/28/18 / #20180184424

Position of uplink short burst in new radio

Various aspects of the present disclosure provides methods and techniques for flexible positioning of a uplink short burst in nr communications. In one example, the uplink short burst may have a slot position that at any position of the uplink centric slot. ... Qualcomm Incorporated

06/28/18 / #20180184411

Selecting a cell identifier based on a downlink control information

A method, an apparatus, and a computer program product for wireless communication are provided in which a cell identifier is selected based on one or more properties associated with received downlink control information (dci), where the properties may not be exclusively associated with determining a cell identifier. The cell identifier may be selected from a plurality of cell identifiers received through radio resource control signaling. ... Qualcomm Incorporated

06/28/18 / #20180184410

Common control resource set with user equipment-specific resources

User equipment (ue)-specific information may be transmitted within a control resource set configured to carry resources common to ues within a system. The ue-specific information may be associated with a search space having an aggregation level different from aggregation levels used with the common control resources and may occupy different modulation symbols within the common control resource set (e.g., to support flexible scheduling for multiple ues). ... Qualcomm Incorporated

06/28/18 / #20180184391

Techniques and apparatuses for multiple transmission of synchronization signal blocks in new radio

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive a plurality of synchronization signal blocks, wherein the plurality of synchronization signal blocks include a synchronization signal block and one or more retransmissions of the synchronization signal block that are received in a synchronization interval, and wherein two or more synchronization signal blocks, of the plurality of synchronization signal blocks have a fixed relationship in time. ... Qualcomm Incorporated

06/28/18 / #20180184383

Systems, methods, and devices for dynamic transmission power control on wireless stations for maximizing wireless channel utilization

Systems, methods, and devices for dynamic transmission power control are provided. One aspect provides a method of wireless communication that includes, at a wireless device, transmitting, at a first power level, a first message to an access point and receiving one or more packets from the access point and a plurality of stations. ... Qualcomm Incorporated

06/28/18 / #20180184380

Low energy wireless network applications

A method for enabling access point discovery in a wireless network includes scanning, at an access point, a low energy protocol advertising channel for beacon information broadcasted from a second access point. The low energy protocol advertising channel is associated with a low energy protocol that is different from a first protocol associated with a primary operating channel of the access point. ... Qualcomm Incorporated

06/28/18 / #20180184365

Multiple basic service sets for extended range operation

Methods, systems, and devices for wireless communication are described. Devices in a wireless network may be grouped into a basic service set (bss), which may enable coordination of communications within the network. ... Qualcomm Incorporated

06/28/18 / #20180184341

Wireless local area network offloading through radio access network rules

Methods, systems, and devices are described for wireless local area network (wlan) offloading through radio access network rules. In one embodiment of a method of wireless communication, a mobile device may determine that radio access network (ran) assistance information is unavailable, the ran assistance information including a first set of thresholds for switching a packet data network (pdn) connection of the mobile device from a wlan to a wireless wide area network (wwan). ... Qualcomm Incorporated

06/28/18 / #20180184309

Systems and methods for maintaining service on multiple sims in a wireless communication device operating in a multi-sim multi-standby (msms) mode

A wireless communication device having a first sim and a second sim and a radio frequency (rf) resource including multiple receive chains and at least one transmit chain may detect, during a connection to a first network associated with the first sim, a start of a communication activity associated with the second sim that uses one or more transmit chains and one or more of the receive chains. The wireless communication device may determine whether a carrier frequency of a cell serving the network associated with the first sim is within a downlink frequency range supported by an unused receive chain of the rf resource. ... Qualcomm Incorporated

06/28/18 / #20180184302

Dynamic medium sharing

Wireless communications systems and methods related to dynamic medium sharing are provided. A first wireless communication device communicates with a second wireless communication device, a reservation request (rrq) for a transmission opportunity (txop) in a shared spectrum. ... Qualcomm Incorporated

06/28/18 / #20180184285

Techniques for basic service set attribute detection and resolution

Methods, systems, and devices for wireless communications are described, including identifying a first attribute value associated with a first access point; receiving a second attribute value; and determining that the first attribute value associated with the first access point is the same as the received second attribute value. An attribute value may be an n-bit value, where n is an integer. ... Qualcomm Incorporated

06/28/18 / #20180184127

Determining neighboring samples for bilateral filtering in video coding

A device for decoding video data is configured to determine weights for use in a bilateral filter for a current block of a current picture of the video data; apply the bilateral filter to a current sample of the current block, wherein the current sample is located inside a transform unit boundary, wherein applying the bilateral filter to the current sample comprises: assigning the weights to neighboring samples of the current sample of the current block, wherein the neighboring samples of the current sample include a neighboring sample located outside the transform unit; and modifying a sample value for the current sample based on sample values of the neighboring samples and the weights assigned to the neighboring samples; and based on the modified sample value for the current sample, outputting a decoded version of the current picture.. . ... Qualcomm Incorporated

06/28/18 / #20180184126

Deriving bilateral filter information based on a prediction mode in video coding

A device for decoding video data determines mode information for a current block of a current picture of the video data; derives weights for use in a bilateral filter based on the mode information for the current block; applies the bilateral filter to a current sample of the current block by assign the weights to neighboring samples of the current sample of the current block and the current sample of the current block and modifying a sample value for the current sample based on sample values of the neighboring samples, the weights assigned to the neighboring samples, the sample value for the current sample, and the weight assigned to the current sample; and based on the modified sample value for the current sample, outputs a decoded version of the current picture.. . ... Qualcomm Incorporated

06/28/18 / #20180184113

Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter

This disclosure describes filtering techniques applied by an encoder and a decoder during the prediction stage of a video encoding and/or decoding process. The filtering techniques may enhance the accuracy of predictive data used during fractional interpolation, and may improve predictive data of integer blocks of pixels. ... Qualcomm Incorporated

06/28/18 / #20180184091

Systems and methods for processing a syntax structure assigned a minimum value in a parameter set

Techniques and systems are provided for decoding video data. For example, a method of decoding video data includes receiving, by a decoding device, an encoded video bitstream generated according to a first coding protocol, and determining that a base layer is to be provided to the decoding device as part of an external bitstream that is different from the received encoded video bitstream. ... Qualcomm Incorporated

06/28/18 / #20180184070

Method and system for depth estimation based upon object magnification

Methods and apparatus for determining a depth of an object within a scene are provided. Image data of a scene can be captured using a lens configured to project an image of the scene onto an image sensor. ... Qualcomm Incorporated

06/28/18 / #20180183998

Power reduction and performance improvement through selective sensor image downscaling

Methods and systems for reducing power by controlling a sensor to selectively downscale portions of generated image signals representing a target scene image, the downscaled portions corresponding to identified portions of a previously processed captured and image also representative of the target scene. One innovation includes an imaging device having an image sensor having an array of imaging elements, the image sensor configured to generate first image information of a first spatial resolution for first portions of the array of imaging elements, and generate second image information for one or more second portions of the array of imaging elements, the second image information having one or more second spatial resolutions that are downscaled relative to the first spatial resolution, the image sensor further configured to control the downscaling of the one or more second resolutions by received downscaling control information identifying portions of the array of imaging elements.. ... Qualcomm Incorporated

06/28/18 / #20180183933

Techniques and apparatuses for call handling during a user equipment ringing state

Aspects of the disclosure generally relate to wireless communication. A first wireless communication device may transmit, to a second wireless communication device and a third wireless communication device, an indication that the first wireless communication device is in a ringing state based at least in part on a first call message associated with the second wireless communication device and a second call message received from the third wireless communication device. ... Qualcomm Incorporated

06/28/18 / #20180183655

Radio frequency sharing in multi-subscription wireless communication device

Embodiments described herein relate to systems and methods of managing communications for a wireless communication device having a first subscriber identity module (sim) associated with a first subscription and a second sim associated with a second subscription. The method may include attempting a first activity by the first sim with respect to a first network. ... Qualcomm Incorporated

06/28/18 / #20180183557

Techniques for signaling dynamic control region for prach transmission

Techniques for signaling dynamic control region for prach transmission are described. In an aspect, the disclosure describes a method for receiving, at a user equipment (ue), an indication of a number of control symbols that the ue is to assume when transmitting physical random access channel (prach), and transmitting, by the ue, the prach over one or more slots based on the number of control symbols. ... Qualcomm Incorporated

06/28/18 / #20180183552

Sounding reference signal transmission in low latency wireless transmissions

Methods, systems, and devices for wireless communication are described that support sounding reference signal (srs) transmission in low latency wireless transmissions. A set of shortened transmission time intervals (sttis) for uplink transmissions of a first wireless service may be identified; the set of sttis located within subframe time boundaries of a subframe of a second wireless service with a longer tti than the sttis. ... Qualcomm Incorporated

06/28/18 / #20180183508

Pucch transmit diversity with one-symbol stbc

Aspects of the disclosure relate to wireless communication systems configured to provide techniques for utilizing a one-symbol space-time block code (stbc) process to encode control information for transmission on an uplink control channel. The one-symbol stbc process produces two code blocks, each for transmission on a different antenna. ... Qualcomm Incorporated

06/28/18 / #20180183439

Multiple via structure for high performance standard cells

A mos device of an ic includes pmos and nmos transistors. The mos device further includes a first mx layer interconnect extending in a first direction and coupling the pmos and nmos transistor drains together, and a second mx layer interconnect extending in the first direction and coupling the pmos and nmos transistor drains together. ... Qualcomm Incorporated

06/28/18 / #20180183417

Dynamically adaptive voltage-frequency guardband control circuit

In certain aspects, a system comprises a voltage-droop mitigation circuit configured to monitor voltage droop in a supply voltage supplied to a circuit, and to perform voltage-droop mitigation for the circuit if the monitored voltage droop is equal to or greater than a droop threshold. In one aspect, the system also includes a performance monitor configured to track a number of clock cycles over which the voltage-droop mitigation circuit performs the voltage-droop mitigation within a time duration, and to adjust the droop threshold based on the number of clock cycles. ... Qualcomm Incorporated

06/28/18 / #20180182176

Structural modeling using depth sensors

Techniques are presented for constructing a digital representation of a physical environment. In some embodiments, a method includes obtaining image data indicative of the physical environment; receiving gesture input data from a user corresponding to at least one location in the physical environment, based on the obtained image data; detecting at least one discontinuity in the physical environment near the at least one location corresponding to the received gesture input data; and generating a digital surface corresponding to a surface in the physical environment, based on the received gesture input data and the at least one discontinuity.. ... Qualcomm Incorporated

06/28/18 / #20180182066

Foveated rendering in tiled architectures

This disclosure describes examples for foveation rendering. A graphics processing unit (gpu) may render image content for each tile at different sizes as part of the rendering pass after a binning pass in which the gpu determined to which tiles vertices of primitives belong. ... Qualcomm Incorporated

06/28/18 / #20180181533

Ending write data transfer in i3c hdr-ddr mode

Systems, methods, and apparatus are described that enable communication of flow-control signals over a serial bus. A method performed at a device coupled to the serial bus includes transmitting first data over the serial bus, transmitting one or more preamble bits preceding second data, disabling a driver coupled to a first wire of the serial bus while transmitting the preamble bits and while the first wire is in a first signaling state, terminating data transmission when the first wire has transitioned from the first signaling state to a second signaling state while the preamble bits are being transmitted, and transmitting second data after transmitting the preamble bits when the first wire has remained in the first signaling state during transmission of the preamble bits.. ... Qualcomm Incorporated

06/28/18 / #20180181532

Data transfer ending in phase differential modes

Systems, methods, and apparatus are described that enable communication of flow-control signals over a serial bus that is operated in a phase differential mode of operation. A method performed at a device coupled to the serial bus includes transmitting first data while the serial bus is configured for a phase differential mode of operation, transmitting flow-control signaling after the first data has been transmitted, disabling a driver coupled to a first wire of the serial bus while transmitting the flow-control signaling and while the first wire is in a first signaling state, terminating data transmission when the first wire of the serial bus has transitioned to a second signaling state while the flow-control signaling is transmitted, and transmitting second data over the serial bus after transmitting the flow-control signaling when the first wire of the serial bus has remained in the first signaling state during transmission of the flow-control signaling.. ... Qualcomm Incorporated

06/28/18 / #20180181364

Systems and methods for using distributed universal serial bus (usb) host drivers

Systems and methods for using distributed universal serial bus (usb) host drivers are disclosed. In one aspect, usb packet processing that was historically done on an application processor is moved to a distributed usb driver running in parallel on a low-power processor such as a digital signal processor (dsp). ... Qualcomm Incorporated

06/28/18 / #20180180683

Techniques for magnetometer calibration using selected measurements over time

Certain aspects of the present disclosure generally relate to magnetometer calibration. In some aspects, a device may obtain multiple sets of magnetic field measurements corresponding to multiple local magnetic field strengths, wherein each set of magnetic field measurements is measured in association with an unknown local magnetic field strength. ... Qualcomm Incorporated

06/21/18 / #20180177061

Flexible circuit battery attachment devices, systems, and methods

Disclosed are systems, devices, and methods for connecting a flexible circuit to a battery. Conductive pads are formed simultaneous with mounting and reflowing circuitry components on a flexible circuit, where the conductive pads serve as preformed tabs capable of being joined to terminals of a battery. ... Qualcomm Incorporated

06/21/18 / #20180177052

Passive device assembly for accurate ground plane control

Passive device assembly for accurate ground plane control is disclosed. A passive device assembly includes a device substrate conductively coupled to a ground plane separation control substrate. ... Qualcomm Incorporated

06/21/18 / #20180176958

Random access channel (rach) timing adjustment

Certain aspects of the present disclosure provide techniques for random access channel (rach) communication. For example, certain aspects provide a method for wireless communication by a user-equipment (ue). ... Qualcomm Incorporated

06/21/18 / #20180176953

Band selection via coordinated clear channel assessment and switching signaling

A first apparatus may perform a clear channel assessment (cca) in a first band-operation of a first radio access technology (rat) in the first band may be synchronized with operation of a second rat in a second band. The first apparatus may determine whether the cca indicates that the first band is occupied. ... Qualcomm Incorporated

06/21/18 / #20180176949

Uplink transmission parameter selection during random access message transmission and retransmission

Methods, systems, and devices for wireless communication are described for selecting different uplink transmission parameters for transmission or retransmission of a random access message. A user equipment (ue) may transmit or retransmit a random access message such as a layer 2 or layer 3 (l2/l3) message to a base station during a random access procedure. ... Qualcomm Incorporated

06/21/18 / #20180176948

Uplink transmission parameter selection for random access initial message transmission and retransmission

Methods, systems, and devices for wireless communication are described that provide for selecting different uplink transmission parameters for transmission or retransmission of a random access message. A user equipment (ue) may retransmit a random access message to a base station during a random access procedure if an initial transmission of the random access message was unsuccessfully received by the base station. ... Qualcomm Incorporated

06/21/18 / #20180176946

Channel reservation signal with new radio pdcch waveform

Techniques for a channel reservation signal design with a new radio (nr) physical downlink control channel waveform are provided. A method for wireless communication includes determining one or more orthogonal frequency division multiplexing (ofdm) symbols to transmit channel reservation signals, and determining a plurality of resources available for transmitting the channel reservation signals during the ofdm symbol(s). ... Qualcomm Incorporated

06/21/18 / #20180176935

Traffic-priority based silencing techniques for interference mitigation

Techniques are described herein to provide priority traffic grant-less access to pre-defined communication resources that are semi-persistently scheduled. A set of semi-persistent communication resources may be reserved for use by priority traffic. ... Qualcomm Incorporated

06/21/18 / #20180176931

Transmission schedule negotiation

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the apparatus may be configured to determine a many-to-many multicast schedule for an ndl of a service associated with a nan network and to communicate with a plurality of wireless devices subscribed to the service based on the determined many-to-many multicast schedule. ... Qualcomm Incorporated

06/21/18 / #20180176924

Multiplexing ues with different tdd configurations and some techniques to mitigate ue-to-ue and base station-to-base station interference

A method of wireless communication includes determining a set of subframes with a reduced likelihood of being received as uplink transmissions of a first user equipment (ue). The method also includes scheduling uplink transmissions of the first ue by scheduling uplink control information (uci) on subframes other than the determined set of subframes.. ... Qualcomm Incorporated

06/21/18 / #20180176922

Subslot bundling and acknowledgement

A first apparatus may puncture, in at least two subslots, a first type of data or control information with a second type of data or control information. The first apparatus may bundle the least two subslots within a subframe, and the subframe may include a portion for carrying acknowledgment (ack)/negative acknowledgment (nack) information associated with the second type of data or control information. ... Qualcomm Incorporated

06/21/18 / #20180176910

Transport block design

Certain aspects of the present disclosure relate to methods and apparatus for generating and communicating transport blocks. Certain aspects provide a method for allocating an ordered set of packets to a plurality of layers across a plurality of time resources. ... Qualcomm Incorporated

06/21/18 / #20180176904

Techniques for managing transmissions in an unlicensed radio frequency spectrum band

A first method for wireless communications may comprise determining sizes of payloads of user equipments (ues), determining whether to multiplex the payloads of the ues based on the sizes of the payloads, and allocating codes or cyclic shifts to the ues to transmit the payloads on a single interlace of resources. A second method for wireless communications may comprise determining a first code or a first cyclic shift used for a first transmission using an interlace of resources, and allocating second codes or second cyclic shifts to ues for a second transmission, where the second transmission may be multiplexed with the first transmission on the interlace of resources. ... Qualcomm Incorporated

06/21/18 / #20180176902

Techniques and apparatuses for configuring transmission of corresponding uplink control information in new radio

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive an uplink control configuration indication in a downlink control portion of a first slot. ... Qualcomm Incorporated

06/21/18 / #20180176884

Pich-hs timing and operation

Systems and methodologies are described that facilitate employing a paging indicator channel in connection with high speed channels in a wireless communications network. A paging indicator transmission can be sent on the paging channel to one or more mobile devices. ... Qualcomm Incorporated

06/21/18 / #20180176882

Techniques and apparatuses for co-operative traffic management

A person may utilize multiple connected devices, such as smart watches, user equipments (ues), smartphones, tablet computers, and/or the like, which may each be assigned unique phone numbers. Operators may assign a common phone number to the multiple connected devices; however, the phone number is not used in the access stratum path of a radio access technology resulting in multiple paging procedures being performed for the multiple connected devices. ... Qualcomm Incorporated

06/21/18 / #20180176877

Method and apparatus for counting devices related to broadcast data services

Methods and apparatuses are provided that include counting devices for broadcast data services. The devices can be counted based on registrations received from the devices. ... Qualcomm Incorporated

06/21/18 / #20180176830

Qos configuration based on channel quality

Certain aspects of the present disclosure relate to methods and apparatus for quality of service (qos) configuration for wireless communications. Certain aspects provide a method for wireless communication by a base station. ... Qualcomm Incorporated

06/21/18 / #20180176820

Systems and methods for immediate transmission after clear channel assessment

A method is described. The method includes receiving a clear channel assessment (cca) using a first radio configured for a first communication protocol. ... Qualcomm Incorporated

06/21/18 / #20180176816

Prioritizing packets in wireless communications

Aspects of the present disclosure describe transmitting data in wireless communications. A set of packets for transmission in a defined sequence can be received where the set of packets includes two or more packets. ... Qualcomm Incorporated

06/21/18 / #20180176787

Autonomous uplink (ul)/downlink (dl) transmission in new radio-spectrum sharing (nr-ss)

Wireless communications systems and methods related to autonomous uplink transmission and autonomous downlink transmission in a shared spectrum are provided. A first wireless communication device identifies a transmission opportunity (txop) in a shared spectrum shared by a plurality of network operating entities. ... Qualcomm Incorporated

06/21/18 / #20180176765

Obtaining multiple subscription services from an embedded universal integrated circuit card

Methods for obtaining network services on a mobile communication device may include attaching the mobile communication device to a first network associated with a first subscription supported by a first profile stored on an embedded universal integrated circuit card (euicc) on the mobile communication device, caching, in memory on the mobile communication device, the first profile corresponding to the first subscription, deactivating the first subscription of the euicc on the mobile communication device without detaching from the first network, caching, in memory on the mobile communication device, a second profile stored on the euicc corresponding to a second subscription, activating the first subscription of the euicc, and monitoring for paging indicators directed to the second subscription utilizing the cached second profile.. . ... Qualcomm Incorporated

06/21/18 / #20180176747

Power-adaptive sidelink data transmissions

Methods, systems, and devices for wireless communication are described. A first ue and a second ue may coordinate to establish a sidelink connection. ... Qualcomm Incorporated

06/21/18 / #20180176743

Phased determination of channel-correlation-based grouping metrics for multi-user transmissions

Methods, systems, and devices for wireless communication are described. An access point (ap) may sequentially receive beamforming information for a channel from a plurality of wireless stations, the beamforming information comprising a first portion of beamforming information and a second portion of beamforming information. ... Qualcomm Incorporated

06/21/18 / #20180176713

Systems and methods for muting a wireless communication device

A method for muting a bluetooth device is described. The method includes receiving, by a bluetooth controller of the bluetooth device, a mute remote microphone message from a peer bluetooth device. ... Qualcomm Incorporated

06/21/18 / #20180176594

Linear model prediction mode with sample accessing for video coding

Techniques are described of linear model (lm) prediction mode. In one or examples, a video encoder or video decoder may limit the number of neighboring luma samples that are fetched for downsampling thereby increasing the speed at which the video encoder or video decoder is able to complete the lm prediction encoding or decoding.. ... Qualcomm Incorporated

06/21/18 / #20180176582

Low-complexity sign prediction for video coding

Techniques for cost function measurement with respect to sign prediction-based video coding are generally described. An example device includes processing circuitry is configured to apply first and second sign combinations to transform coefficients of a stored block of video data to obtain first and second hypothesis reconstructions of the block, to measure first and second cost functions with respect to the first and second hypothesis reconstructions by determining respective sets of pixel value gradients representing differences between samples of each hypothesis reconstruction of the block and samples of a neighboring block positioned adjacent to the block. ... Qualcomm Incorporated

06/21/18 / #20180176575

Systems and methods for signaling hypothetical reference decoder parameters in a parameter set

Techniques and systems are provided for encoding and decoding video data. For example, a method of encoding video data includes generating an encoded video bitstream comprising multiple layers. ... Qualcomm Incorporated

06/21/18 / #20180176563

Low-complexity sign prediction for video coding

Sign prediction technology for video coding are generally described. An example device includes a memory configured to store video data, and processing circuitry in communication with the memory. ... Qualcomm Incorporated

06/21/18 / #20180176556

Low-complexity sign prediction for video coding

A device includes processing circuitry configured to identify a set of pre-stored residual samples in video data that is stored to a memory, to combine the set of stored residual samples to form a combination, to apply a first sign combination to transform coefficients of the combination to obtain a first hypothesis reconstruction for a current block of the video data, and to apply a second sign combination to the transform coefficients of the combination to obtain a second hypothesis reconstruction for the current block. The processing circuitry is further configured to derive respective cost functions with respect to the first and second hypothesis reconstructions, to compare the respective derived cost functions, to select, based on the comparison, either the first or second hypothesis reconstruction, and to code the current block using a sign prediction associated with the selected one of the first or second hypothesis reconstruction.. ... Qualcomm Incorporated

06/21/18 / #20180176542

Systems and methods for improved depth sensing

Methods and systems disclosed provide improved depth sensing for an imaging device. In some aspects, a plurality of transmitters including a first transmitter are configured to generate a structured light pattern with a first depth of field at a first resolution and a second structured light pattern with a second depth of field at the first resolution, wherein the second depth of field is wider than the first depth of field. ... Qualcomm Incorporated

06/21/18 / #20180176468

Preferred rendering of signalled regions-of-interest or viewports in virtual reality video

A method of processing video data includes receiving 360-degree video data, receiving one or more first syntax elements indicating preferred regions-of-interest or preferred viewports of the 360-degree video data, receiving one or more second syntax elements that indicate a preferred rendering operation for rendering the preferred regions-of-interest or preferred viewports, and rendering the 360-degree video data based on the preferred rendering operations.. . ... Qualcomm Incorporated

06/21/18 / #20180176344

Media access control transport block design

Certain aspects of the present disclosure relate to methods and apparatus for generating and communicating transport blocks. Certain aspects provide a method for forming and transmitting transport blocks. ... Qualcomm Incorporated

06/21/18 / #20180176278

Detecting and signaling new initialization segments during manifest-file-free media streaming

An example device for retrieving media data includes a middleware unit configured to receive a first initialization segment of a broadcast stream of media data, receive a second initialization segment of the broadcast stream of media data, and determine whether initialization information of the second initialization segment is different than initialization information of the first initialization segment. When the second initialization segment includes different initialization information, the middleware unit sends an indication to a media application that media playback is to be reinitialized using the initialization information of the second initialization segment. ... Qualcomm Incorporated

06/21/18 / #20180176067

Synchronization signal transmission and detection

Aspects of the present disclosure provide designs for transmitting and detecting bursts of synchronization signal (ss) blocks. For example, a method for wireless communications by a base station (bs) may include determining a position of a first synchronization signal (ss) block, within a burst of ss blocks and transmitting the burst of ss blocks, in accordance with the determination.. ... Qualcomm Incorporated

06/21/18 / #20180176040

Soft-windowing channel estimation

Certain aspects of the present disclosure relate to techniques for estimating a channel using soft-windowing. A user equipment (ue) may determine, based on a cyclic prefix (cp) length of a channel, a timing window for sampling reference signals transmitted on the channel, determine a set of weights to apply to samples obtained within the determined timing window, wherein each weight corresponds to a sample obtained within the determined window, and estimate the channel by applying the weights to the samples.. ... Qualcomm Incorporated

06/21/18 / #20180175989

System and method for self-contained subslot bundling

An apparatus may configure x subframes with a subslot configuration that includes y subslots, y being greater than x. In an aspect, each subslot of the y subslots may include a first portion having one or more symbols for carrying at least one of data or control information, a second portion having a gap, and a third portion for carrying ack/nack information associated with the first portion. ... Qualcomm Incorporated

06/21/18 / #20180175986

Autonomous uplink transmissions on a shared communication medium

In an embodiment, an at monitors a dmtc window of a shared communication medium while refraining from performing any aul transmissions. The at selectively transmits one or more aul transmissions based on the monitoring (e.g., in response to drs detection, either in one or more subframes of the dmtc window or outside of the dmtc window). ... Qualcomm Incorporated

06/21/18 / #20180175981

Quantized k-resource element row-column interleaver

Certain aspects of the present disclosure provide a method for wireless communications in a wireless network via a radio access technology. The method generally includes determining dimensions of a matrix to be used for performing interleaving of modulated symbols carrying bits, from a plurality of code blocks, for mapping into bundles of resource elements, in an orthogonal frequency division multiplexed (ofdm) system, based, at least in part, on one of a ratio of a code block size to a number of bits to be mapped into each resource element or the number of bits to be mapped into each resource element, performing the interleaving of the modulated symbols, according to the matrix having the determined dimensions, and transmitting the interleaved modulated symbols in the wireless network via the radio access technology. ... Qualcomm Incorporated

06/21/18 / #20180175932

Satellite communication location reporting and paging

The disclosure relates in some aspects to location reporting and paging for satellite communication. In one aspect, the disclosure relates to a user terminal (ut) sending a message to report information about the ut's location. ... Qualcomm Incorporated

06/21/18 / #20180175867

Systems and methods for correcting deterministic jitter in an all-digital phase locked loop

A method for correcting deterministic jitter in an all-digital phase-locked loop (adpll) is described. The method includes determining an offset to an input frequency of the adpll that causes an oscillator tuning word (otw) provided to a digitally-controlled oscillator (dco) quantizer to fall between two dco codes. ... Qualcomm Incorporated

06/21/18 / #20180175806

Post distortion cancellation with phase shifter diode for low noise amplifier

A low noise amplifier may include a post distortion cancellation block coupled to the low noise amplifier. The post distortion cancellation block may include a diode, and phase-shift logic. ... Qualcomm Incorporated

06/21/18 / #20180175805

Switch and matching noise cancelling for switch low noise amplifier

A low noise amplifier (lna) reduces matching and switch noise. The lna includes a main radio frequency signal path, an auxiliary radio frequency signal path and a phase shifter. ... Qualcomm Incorporated

06/21/18 / #20180175803

Radio frequency integrated circuit (rfic) charged-device model (cdm) protection

An apparatus is described. The apparatus includes an input device. ... Qualcomm Incorporated

06/21/18 / #20180175798

Area efficient architecture to combine outputs of parallel transmit signal paths

Methods, devices, apparatuses, and systems provide an efficient architecture for multi-mode amplifier modules by combining components of parallel transmit paths and reducing the number of total components used in amplifier modules. One such an amplifier module, including a first transmit path connected in parallel to a second transmit path between an input of the amplifier module and an intermediate node. ... Qualcomm Incorporated

06/21/18 / #20180175641

Systems and methods for reuse of battery pack-side current and voltage sensing

Systems and methods for reuse of battery pack-side current and voltage sensing are disclosed. By reusing elements within a battery pack, a battery field effect transistor (fet) within a power management integrated circuit (pmic) may be eliminated or at least bypassed. ... Qualcomm Incorporated

06/21/18 / #20180175060

Standard cell circuits employing voltage rails electrically coupled to metal shunts for reducing or avoiding increases in voltage drop

Standard cell circuits employing voltage rails electrically coupled to metal shunts for reducing or avoiding increases in voltage drop are disclosed. In one aspect, a standard cell circuit is provided that employs active devices that include corresponding gates disposed with a gate pitch. ... Qualcomm Incorporated

06/21/18 / #20180175034

Logic circuit block layouts with dual-side processing

An integrated circuit device may include a p-type metal oxide semiconductor (pmos) transistor supported by a backside of an isolation layer. The integrated circuit device may also include an n-type metal oxide semiconductor (nmos) transistor supported by a front-side of the isolation layer, opposite the backside. ... Qualcomm Incorporated

06/21/18 / #20180174745

Reducing magnetic flux density proximate to a wireless charging pad

Systems and methods are described that reduce magnetic flux density proximate to a wireless charging pad, such as a wevc pad. These systems and methods control peak magnetic flux density in air around a wevc pad to reduce potentially dangerous heat produced in foreign metal objects affected by a magnetic field generated by a coil of the wevc pad. ... Qualcomm Incorporated

06/21/18 / #20180174734

Method for increasing pad efficiency and robustness

Systems and methods are described that increase pad efficiency and robustness. These systems and methods balance magnetic flux density in ferrite strips in a wevc pad to reduce heat produced in high-flux areas of the ferrite strips. ... Qualcomm Incorporated

06/21/18 / #20180174623

Apparatus and method for transferring data between different voltage-clock domains using multiple write-side multiplexers

An apparatus and method are disclosed for transferring data from a first core to a second core of an integrated circuit (ic). The first core includes first and second memory blocks (e.g., first and second portions of a first-in-first-out (fifo) memory coupled to first and second pre-multiplexers, respectively). ... Qualcomm Incorporated

06/21/18 / #20180173986

Light source modulation for iris size adjustment

Use of pupillary response to visible light for iris authentication is disclosed. One example involves (a) capturing an initial image of an eye including an inner circular boundary between a pupil region and an iris region and an outer circular boundary between the iris region and a sclera region, (b) determining a first size measurement indicative of the inner circular boundary, (c) responsive to at least the first size measurement, modulating one or more visible light sources to output visible light toward the eye of the user, (d) capturing a subsequent image of the eye of the user during a period of pupillary response, (e) obtaining an iris data record of the user, and (f) comparing the iris data record of the user to one or more registered iris data records to authenticate the user.. ... Qualcomm Incorporated

06/21/18 / #20180173948

Low power data generation for iris-related detection and authentication

Sensing of scene-based occurrences is disclosed. In one example, a vision sensor system comprises (1) dedicated computer vision (cv) computation hardware configured to receive sensor data from at least one sensor array and capable of computing cv features using readings from multiple neighboring sensor pixels and (2) a first processing unit communicatively coupled with the dedicated cv computation hardware. ... Qualcomm Incorporated

06/21/18 / #20180173933

User authentication using iris sector

Sector-based iris authentication is disclosed. One example involves (a) capturing an image of an eye of the user, the image including an iris region, (b) identifying a plurality of sectors of the iris region within the image, (c) determining a measure of distinctiveness for each sector of the iris region, (d) selecting one or more sectors from the plurality of sectors of the iris region based on the determined measure of distinctiveness for the each sector of the iris region, the selected one or more sectors being fewer in number than the plurality of sectors of the iris region, and (e) comparing the selected one or more sectors to one or more registered iris data records.. ... Qualcomm Incorporated

06/21/18 / #20180173685

Security-focused web application crawling

Various embodiment methods for performing security-focused web crawling by a server may include identifying sensitive data on a first web page, and generating a first document object model (dom) for the first web page in which the first dom represents the sensitive data on the first web page. Various embodiments may further include comparing one or more attributes of the sensitive data in the first dom with the one or more attributes of the sensitive data in a second dom for a second web page, and determining whether the first web page is different from the second web page based on the comparison of the one or more attributes of the sensitive data in the first dom and the second dom.. ... Qualcomm Incorporated

06/21/18 / #20180173672

Sensors global bus

Systems, methods and apparatus are described that offer improved performance of a sensor bus. A first command is transmitted to devices coupled to a serial bus operated in a first mode in accordance with a first protocol to cause the serial bus to be operated in a second mode. ... Qualcomm Incorporated

06/21/18 / #20180173667

Hard reset over i3c bus

Systems, methods, and apparatus are described that enable communication of in-band reset signals over a serial bus. A method performed at a slave device coupled to the serial bus includes configuring a reset controller to operate in one of plural modes, identifying a first reset pattern in signaling received from a multi-wire serial bus, complying with one or more transmissions defined by the protocol, asserting a reset input of a processing circuit in the slave device responsive to an identification of the first reset pattern when the reset controller is operated in a first mode, and ignoring the first reset pattern when the reset controller is operated in a second mode. ... Qualcomm Incorporated

06/21/18 / #20180173665

Hard reset over i3c bus

Systems, methods, and apparatus are described that enable communication of in-band reset signals over a serial bus. A method performed at a slave device coupled to the serial bus includes configuring a reset controller to operate in one of plural modes, identifying a first reset pattern in signaling received from a multi-wire serial bus, complying with one or more transmissions defined by the protocol, asserting a reset input of a processing circuit in the slave device responsive to an identification of the first reset pattern when the reset controller is operated in a first mode, and ignoring the first reset pattern when the reset controller is operated in a second mode. ... Qualcomm Incorporated

06/21/18 / #20180173659

Systems and methods for single-wire control of a slave integrated circuit

An electronic device is described. The electronic device includes a master integrated circuit (ic) that includes a master finite state machine (fsm). ... Qualcomm Incorporated

06/21/18 / #20180173631

Prefetch mechanisms with non-equal magnitude stride

Systems and methods are directed to prefetch mechanisms involving non-equal magnitude stride values. A non-equal magnitude functional relationship between successive stride values, may be detected, wherein the stride values are based on distances between target addresses of successive load instructions. ... Qualcomm Incorporated

06/21/18 / #20180173623

Reducing or avoiding buffering of evicted cache data from an uncompressed cache memory in a compressed memory system to avoid stalling write operations

Aspects disclosed involve reducing or avoiding buffering evicted cache data from an uncompressed cache memory in a compressed memory system to avoid stalling write operations. Metadata is included in cache entries in the uncompressed cache memory, which is used for mapping cache entries to physical addresses in the compressed memory system. ... Qualcomm Incorporated

06/21/18 / #20180173490

Systems and methods for handling silence in audio streams

Systems and methods for handling silence in audio streams are disclosed. In one aspect, a transmitter detects a halt in an audio stream. ... Qualcomm Incorporated

06/21/18 / #20180173288

Multi power domains to reduce ocv using cpr infrastructure

According to certain aspects, a system includes frequency measurement devices distributed across a power domain on a chip, wherein the power domain is divided into multiple power sub-domains, and each of the power sub-domains includes a respective subset of the frequency measurement devices. The system also includes a power manager. ... Qualcomm Incorporated

06/21/18 / #20180170553

Systems, methods, and apparatus for passive cooling of uavs

An innovative passive cooling solution with sealed uav enclosure system allows heat from a semiconductor chip to be dissipated to the ambient environment through evaporation/condensation phase-change cooling and air cooling a heat sink such as a fin without any additional power consumption to operate cooling solution. One example of such a solution may include a pipe with a fin and a fluid. ... Qualcomm Incorporated

06/14/18 / #20180167984

Achieving better performance in l + l modems

A method for reestablishing a radio resource control (rrc) connection on a second subscription upon completion of a voice call on a first subscription for a multi-subscriber identity module (sim) multi-standby (msms) mobile communication device, includes: starting a voice call timer at the start of the voice call on the first subscription; stopping the voice call timer upon completion of the voice call on the first subscription; determining an elapsed time of the voice call on the first subscription based on a value of the voice call timer; and determining whether the elapsed time of the voice call on the first subscription is greater than a value of a network connectivity timer.. . ... Qualcomm Incorporated

06/14/18 / #20180167976

Wireless medium access operations

Systems and methods are disclosed for a wireless device to share a wireless medium with other devices. The wireless device may perform a first backoff using a first backoff value, transmit on the wireless medium after performing the first backoff, and use a non-random backoff value to perform a subsequent backoff when the transmission is successful.. ... Qualcomm Incorporated

06/14/18 / #20180167968

Physical downlink control channel and hybrid automatic repeat request feedback for multefire coverage enhancement

Techniques for wireless communication are described. One method includes assigning a downlink subframe that is a first occurring downlink subframe in a data frame; and transmitting an encoded control signal during a first transmission opportunity, the encoded control signal including a common portion for receiving devices, the common portion indicating a structure of the data frame, the encoded control signal further including a device specific portion for a specific receiving device, the device specific portion indicating uplink grants and downlink grants during the data frame for the specific receiving device, where at least the common portion of the encoded control signal is transmitted during the selected downlink subframe.. ... Qualcomm Incorporated

06/14/18 / #20180167965

Pucch design with flexible symbol configuration

Aspects of the disclosure relate to communication systems, apparatus and methods which enable or support flexible symbol configurations for uplink channels. In one example a method includes performing transmitting first uplink information from a subordinate entity to a scheduling entity in a long burst portion of one or more slots, and transmitting second uplink information from the subordinate entity to the scheduling entity in a combination of long burst and short burst portions of the one or more slots. ... Qualcomm Incorporated

06/14/18 / #20180167953

Channel feedback preceding downlink data transmissions in cellular iot systems

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a base station. ... Qualcomm Incorporated

06/14/18 / #20180167942

Techniques for configuring an adaptive frame structure for wireless communications using unlicensed radio frequency spectrum

Certain aspects of the present disclosure relate to techniques for configuring an adaptive frame structure for wireless communications systems using unlicensed radio frequency spectrum. A base station (bs) may determine whether another device is transmitting on a channel in the unlicensed radio frequency spectrum or one or more other network conditions pertaining to the channel, determine a frame structure from a plurality of frame structures used for data communications based at least in part on the one or more network conditions, wherein each of the plurality of frame structures has a different frame duration, and communicate with a user equipment (ue) using the determined frame structure. ... Qualcomm Incorporated

06/14/18 / #20180167941

Coordinated slotted medium access for shared spectrum new radio

Multiple base stations, which may be controlled by different network operators, share a transmission medium to serve multiple user equipment (ue). A first base station determines that the shared communication medium is free. ... Qualcomm Incorporated

06/14/18 / #20180167911

Techniques for improved decoding of system information blocks

Aspects of the present disclosure generally relate to managing decoding of system information blocks (sibs) at a user equipment (ue) and managing sib transmissions at a base station. For example, the described aspects at the ue may include detecting a trigger event for decoding one or more sibs received from a cell and determining to avoid decoding of at least one sib received from the cell in response to the detected trigger event and a mobility pattern of the ue. ... Qualcomm Incorporated

06/14/18 / #20180167908

Smart notifications between devices

Disclosed are methods and apparatuses for providing notifications in a communication network of a plurality of internet of things (iot) devices. In an aspect, a supervisor device in the communication network detects a notification directed to a wireless mobile device in the communication network and sends at least one instruction to at least a first iot device of the plurality of iot devices to reduce an operating volume or suspend operation of the first iot device. ... Qualcomm Incorporated

06/14/18 / #20180167903

Over-the-air phase synchronization for reciprocity-based comp joint transmission

Over-the-air (ota) phase synchronization for reciprocity-based coordinated multipoint (comp) joint transmission is disclosed. Phase synchronization reference signals (psrs) are transmitted within a comp operation that can be used to determine the phase drifts of the transmit and receive chains of the base stations. ... Qualcomm Incorporated

06/14/18 / #20180167899

Methods and systems for representing errors

Disclosed are systems, devices and methods for transmission of messages between wireless transceiver devices including fields representing values such as, for example, a range between devices, time of transmission of a message or time of receipt of a previous message. In particular embodiments, message may also comprise fields to express a maximum error in values representing range, time of transmission of a message or time of receipt of a previous message.. ... Qualcomm Incorporated

06/14/18 / #20180167897

Reporting power limit and corresponding constraint

Various aspects of the disclosure relate to reporting a power limit along with an indication of at least one constraint upon which the power limit is based. In some aspects, the constraint is a radio frequency (rf) exposure constraint. ... Qualcomm Incorporated

06/14/18 / #20180167881

Techniques and apparatuses for power efficient alignment of cdrx and sc-ptm drx schedules

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive a temporary mobile group identifier (tmgi) for a single cell point-to-multipoint (sc-ptm) service to which a user equipment (ue) is to be subscribed. ... Qualcomm Incorporated

06/14/18 / #20180167878

Core frequency/count decision-based thermal mitigation optimization for a multi-core integrated circuit

Systems, methods, and computer programs are disclosed for providing optimal power/performance thermal mitigation in a portable computing device having a plurality of processing cores. An exemplary method comprises storing a power sweep table defining a power consumption value for each of a plurality of core frequency and core count combinations for an integrated circuit having a plurality of processing cores. ... Qualcomm Incorporated

06/14/18 / #20180167876

Modulation scheme for wireless communications

Various aspects described herein relate to techniques and modulation schemes used in near-field communications systems. A method for near-field communications is provided that may include receiving a signal including an unmodulated carrier frequency, locking onto the unmodulated carrier frequency, and recovering a data clock frequency from the unmodulated carrier frequency based on a relationship between the data clock frequency and the unmodulated carrier frequency.. ... Qualcomm Incorporated

06/14/18 / #20180167848

Channel reservation signals for new radio interference management

Channel reservation systems and methods are disclosed herein, which schedule transmissions on a shared radio medium that is shared by a plurality of licensed network operators. In embodiments, priority access is pre-assigned to the network and the method determines whether to send a transmission based at least on the transmitter's priority class as compared to another transmitter's priority class and to which transmitter the time slot of a signal is dedicated. ... Qualcomm Incorporated

06/14/18 / #20180167829

Methods and apparatus for managing code block interleaving

Methods and apparatus are provided for managing code block interleaving and de-interleaving in wireless communication systems. A transmitter detects one or more conditions related to transmissions to be made from the transmitter and decides, based on the detection, to disable an interleaver while processing the transmissions, the interleaver used to spread code blocks over available resources. ... Qualcomm Incorporated

06/14/18 / #20180167729

Systems and methods for handling silence in audio streams

Systems and methods for handling silence in audio streams are disclosed. In one aspect, a transmitter detects a halt in an audio stream. ... Qualcomm Incorporated

06/14/18 / #20180167383

Integration of password-less authentication systems with legacy identity federation

Authentication techniques are provided that integrate platform-specific authentication and federated identity authentication. An example method for authenticating a user according to these techniques includes authenticating the user of a user device with a relying party and an authentication entity. ... Qualcomm Incorporated

06/14/18 / #20180167366

Cryptographic mode programmability

A cryptographic device includes: a data input; a data output; a cipher circuit configured to perform a cipher algorithm on cipher-algorithm input data to produce cipher-algorithm output data; and a network coupled to the data input, the data output, and the cipher circuit, the network comprising a plurality of switches and a plurality of logical signal combiners that are configured to provide the cipher-algorithm input data to the cipher circuit and to provide device output data to the data output using the cipher-algorithm output data and that, in combination with the cipher circuit, are configured to implement a plurality of different cryptographic algorithms that each include the cipher algorithm that the cipher circuit is configured to perform.. . ... Qualcomm Incorporated

06/14/18 / #20180167324

Methods and apparatus for multiple user uplink

A method for wireless communication is provided. The method comprises transmitting a first wireless message comprising a request for a first user terminal to transmit uplink data and an indication of at least one requested operational parameter. ... Qualcomm Incorporated

06/14/18 / #20180167252

Uplink transmit diversity and precoding

A configurable new radio (nr) uplink (ul) transmission may use transmit diversity. A user equipment (ue) may identify an uplink transmission of at least one stream as using one of cyclic prefix orthogonal frequency division multiplexing or discrete fourier transform spread orthogonal frequency division multiplexing. ... Qualcomm Incorporated

06/14/18 / #20180167249

Systems and methods for improvements to training field design for increased symbol durations

Methods, devices, and computer program products for improving training field design in packets with increased symbol durations are disclosed. In one aspect, a method of transmitting a packet on a wireless communication network is disclosed. ... Qualcomm Incorporated

06/14/18 / #20180167235

Adaptive channel estimation

A receiver includes power estimation circuitry configured to estimate a first power associated with a first field of a packet and a second power associated with a second field of the packet. The receiver additionally includes channel estimation circuitry configured to determine a second channel estimation of a channel associated with communication of the packet. ... Qualcomm Incorporated

06/14/18 / #20180167195

Techniques for unified synchronization channel design in new radio

Various aspects described herein relate to techniques for synchronization channel design and signaling in wireless communications systems (e.g., a 5th generation (5g) new radio (nr) system). In an aspect, a method includes identifying a frequency band supported by a user equipment (ue), identifying one or more frequency locations based on the identified frequency band, and the one or more frequency locations are a subset of synchronization raster points used for synchronization signal transmission. ... Qualcomm Incorporated

06/14/18 / #20180167187

Techniques for transmitting preambles over an unlicensed radio frequency spectrum band

A device may determine that an unlicensed radio frequency (rf) spectrum band is available for a communication. The device may transmit a first transmission indicator that indicates that the device is transmitting information via the unlicensed rf spectrum band. ... Qualcomm Incorporated

06/14/18 / #20180167183

Reporting uplink channel feedback in wireless communications

Aspects of the present disclosure describe receiving an indication of a covariance matrix from an access point, receiving downlink signaling from the access point, deriving, based at least in part on the covariance matrix or the downlink signaling, one or more precoders for uplink communications over an uplink channel, and indicating, based at least in part on the one or more precoders, uplink channel feedback to the access point.. . ... Qualcomm Incorporated

06/14/18 / #20180167172

Asymmetric downlink-uplink transmission time interval configurations for low latency operation

Methods, systems, and devices for wireless communication are described that identify an uplink transmission time interval (tti) length for uplink transmissions, and a downlink tti length for downlink transmissions, in which the uplink tti length and the downlink tti length may be different. The downlink tti length may be a shortened tti (stti) length, and the uplink tti length may be longer than the downlink stti length. ... Qualcomm Incorporated

06/14/18 / #20180167155

Techniques for transmitting or using a pull-in signal to locate a synchronization channel

Techniques are described for wireless communication. One method includes searching for a synchronization channel on a first raster point of a frequency raster identified for synchronization channel transmission. ... Qualcomm Incorporated

06/14/18 / #20180167058

Clock gating cell for low setup time for high frequency designs

According to certain aspects, a method for clock gating includes receiving an enable signal, and latching a logic value of the enable signal on an edge of an input clock signal. The method also includes passing the latched logic value of the enable signal to a clock-gating output when the input clock signal is logically high, blocking the latched logic value of the enable signal from the clock-gating output when the input clock signal is logically low, and pulling the clock-gating output logically low when the input clock signal is logically low.. ... Qualcomm Incorporated

06/14/18 / #20180167054

Hybrid passive-on-glass (pog) acoustic filter

An integrated radio frequency (rf) circuit combines complementary features of passive devices and acoustic filters and includes a first die, a second die, and a third die. The first die includes a substrate having one or more passive devices. ... Qualcomm Incorporated

06/14/18 / #20180167040

Low-noise amplifier with integrated wideband transformer-based power splitter

A wireless communication device includes a first low-noise amplifier (lna). The wireless communication device also includes a first lna load circuit coupled to an output of the lna. ... Qualcomm Incorporated

06/14/18 / #20180166340

Method and apparatus of multi threshold voltage cmos

A first and a second instance of a common structured stack are formed, respectively, on a first fin and a second fin. The common structured stack includes a work-function metal layer, and a barrier layer. ... Qualcomm Incorporated

06/14/18 / #20180166129

Write driver scheme for bit-writable memories

The apparatus provided may be a memory circuit. The memory circuit includes a memory cell. ... Qualcomm Incorporated

06/14/18 / #20180166045

Efficient occlusion detection in display compositor

Techniques are described for generating image content for display. A host processor may read opacity information generated by processing circuitry for one or more blocks of pixels of a first layer of a plurality of layers. ... Qualcomm Incorporated

06/14/18 / #20180165878

Display synchronized image warping

Certain aspects of the present disclosure provide methods and apparatus for operating a wearable display device. Certain aspects of the present disclosure provide a method for operating a wearable display device. ... Qualcomm Incorporated

06/14/18 / #20180165814

Data content integrity in display subsystem for safety critical use cases

Techniques of this disclosure may include processing one or more regions-of-interest (roi) of an input image through a model of a display processor, calculating a first data integrity check value on the one or more roi of the input image after processing through the model, processing the input image by the display processor, calculating a second data integrity check value on the one or more roi by the display processor after the display processor processes the input image, comparing the first data integrity check value to the second data integrity check value, and generating an interrupt if the comparison indicates that the first data integrity check value and the second data integrity check value do not match.. . ... Qualcomm Incorporated

06/14/18 / #20180165792

Scene-based foveated rendering of graphics content

An apparatus is configured to render graphics content to reduce latency of the graphics content. The apparatus includes a display configured to present graphics content including a first portion corresponding to an area of interest and further including a second portion. ... Qualcomm Incorporated

06/14/18 / #20180165789

Fetch reduction for fixed color and pattern sub-frames

Techniques are described in which a device is configured to retrieve a metadata buffer for rendering a sub-frame of a set of sub-frames for a frame. A data block of a data buffer is configured to store image data for rendering the sub-frame. ... Qualcomm Incorporated

06/14/18 / #20180165788

Flex rendering based on a render target in graphics processing

A device comprising a graphics processing unit (gpu) includes a memory and at least one processor. The at least one processor may be configured to: receive a gpu command packet that indicates the gpu may select between a direct rendering mode or a binning rendering mode for a portion of a frame to be rendered by the gpu, determine whether to use the direct rendering mode or the binning rendering mode for the portion of the frame to be rendered by the gpu based on at least one of: information in the received command packet or a state of the gpu, and render the portion of the frame using the determined direct rendering mode or the binning rendering mode.. ... Qualcomm Incorporated

06/14/18 / #20180165786

Resource sharing on shader processor of gpu

Techniques for allowing for concurrent execution of multiple different tasks and preempted prioritized execution of tasks on a shader processor. In an example operation, a driver executed by a central processing unit (cpu) configures gpu resources based on needs of a first “host” shader to allow the first shader to execute “normally” on the gpu. ... Qualcomm Incorporated

06/14/18 / #20180165092

General purpose register allocation in streaming processor

Systems and techniques are disclosed for general purpose register dynamic allocation based on latency associated with of instructions in processor threads. A streaming processor can include a general purpose registers configured to stored data associated with threads, and a thread scheduler configured to receive allocation information for the general purpose registers, the information describing general purpose registers that are to be assigned as persistent general purpose registers (pgprs) and volatile general purpose registers (vgprs). ... Qualcomm Incorporated

06/14/18 / #20180164866

Low-power architecture for sparse neural network

A method, a computer-readable medium, and an apparatus for reducing power consumption of a neural network are provided. The apparatus may retrieve, from a tag storage, at least one tag value of a first tag value for a weight in the neural network or a second tag value for an activation in the neural network. ... Qualcomm Incorporated

06/14/18 / #20180164846

Clock gating enable generation

In one embodiment, a clock-gating system for a pipeline includes a clock-gating device configured to gate or pass a clock signal to the pipeline, and a clock controller. The clock controller is configured to track a number of input packets at an input of the pipeline, to track a number of output packets at an output of the pipeline, to determine whether to gate or pass the clock signal based on the number of the input packets and the number of the output packets, to instruct the clock-gating device to pass the clock signal if a determination is made to pass the clock signal, and to instruct the clock-gating device to gate the clock signal if a determination is made to gate the clock signal.. ... Qualcomm Incorporated

06/14/18 / #20180164593

Viewport-aware quality metric for 360-degree video

Techniques and systems are provided for processing 360-degree video data. For example, 360-degree video data can be obtained that includes a representation including spherical video data mapped to faces of a geometry. ... Qualcomm Incorporated

06/14/18 / #20180164442

Antenna phase variation correction

A positioning method includes: receiving a positioning signal at a receiver from a positioning satellite; determining an angle of arrival of the positioning signal relative to the receiver; applying a phase correction to the positioning signal, based on the angle of arrival, to produce a phase-corrected signal; and determining a location of the receiver using the phase-corrected signal.. . ... Qualcomm Incorporated

06/14/18 / #20180164371

Apparatus and method for providing debug information via power rail in power state where debug interface is disabled

Apparatus and method for providing debug information from an ic to an external equipment via a power rail in a power state where a debug interface is disabled. The apparatus includes a modulator coupled to a power rail; a debug interface configured to be enabled while the ic is operating under a first set of one or more power states, and disabled while the ic is operating under a second set of one or more power states; and a power management unit manager configured to send debug information to the equipment via the debug interface while the ic is operating under the first set of power state(s); and generate a modulation signal for the modulator to modulate a parameter on the power rail with the debug information while the ic is operating under the second set of power state(s), wherein the equipment receives the parameter to obtain the debug information.. ... Qualcomm Incorporated

06/14/18 / #20180163266

Nucleotide sensing device having a nanopore formed in an inorganic material

Methods and apparatuses for sensing nucleotides are disclosed. A related nucleotide sensing device may include an insulator having an electrode well and a separation layer attached to the insulator, the separation layer including a film and a shell layer. ... Qualcomm Incorporated

06/14/18 / #20180161530

Flow sensing medicine delivery device

Methods, systems, computer-readable media, and apparatuses for determining a property of airflow delivered to a user of a medical inhalation device are disclosed.. . ... Qualcomm Incorporated

06/14/18 / #20180160912

Cardiovascular parameter estimation in the presence of motion

Disclosed embodiments pertain to cardiovascular parameter (e.g. Heart rate) measurements when motion is present. ... Qualcomm Incorporated

06/07/18 / #20180160516

Adaptive control for display backlight boost converter

Liquid crystal display (lcd) backlight boost converters are adaptively controlled, digitally, to achieve improved ripple voltage regardless of independent dimming among light emitting diode (led) strings. Adaptively controlling an lcd backlight boost converter includes determining, during normal operation, an ongoing current or expected current (e.g., load current) provided to or expected to be provided to one or more of the led strings by the display backlight boost converters. ... Qualcomm Incorporated

06/07/18 / #20180160456

Opportunistic wide area network and device to device coexistence

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication, and more specifically to opportunistic wide area network (wan) and device to device (d2d) coexistence. According to certain aspects of the present disclosure, a method of wireless communications by an apparatus is provided. ... Qualcomm Incorporated

06/07/18 / #20180160452

Listen-before-talk techniques in synchronous systems

Methods, systems, and devices for wireless communication are described. Contention procedures may include a shared radio frequency (rf) spectrum region to access resources in another shared rf spectrum region. ... Qualcomm Incorporated

06/07/18 / #20180160440

Wireless transmission timing based on timing advance values in shortened transmission time interval transmissions

Wireless transmission timing based on timing advance (ta) values in shortened transmission time interval (stti) transmissions are provided. A ta value associated with one or more component carriers (ccs) for a wireless transmission may be identified, a ta threshold value may be identified, and one or more parameters associated with the wireless transmission may be set at a first value when the ta value is below the ta threshold value and set at a second value with the ta value is above the ta threshold value. ... Qualcomm Incorporated

06/07/18 / #20180160437

Hearability improvements for interference management signals

Wireless communications systems and methods related to improving detectability of interference management signals are provided. A first wireless communication device communicates, with a second wireless communication device, a first reservation signal indicating a reservation for a first transmission slot in a spectrum accessed by a plurality of network operating entities. ... Qualcomm Incorporated

06/07/18 / #20180160419

Vehicle positioning by signaling line-of-sight (los) vehicle information

Wireless communication systems and methods related to signaling line-of-sight (los) vehicle information for improving vehicle positioning accuracy are provided. A first vehicle receives, via a sensor, sensor data indicating a line-of-sight (los) vehicle. ... Qualcomm Incorporated

06/07/18 / #20180160405

Rate matching and signaling

The present disclosure describes a method, an apparatus, and a computer-readable medium for wireless communications at a user equipment. For example, the method may receive a numerology of a signal received from a base station, wherein the numerology indicates one or more parameters of a waveform associated with the signal. ... Qualcomm Incorporated

06/07/18 / #20180160390

Double sided round trip time calibration

Techniques for determining a round trip time (rtt) calibration value are disclosed. An example of a method according to the disclosure includes receiving a fine timing measurement (ftm) exchange between an initiating station and a responding station, calculating a plurality of differential round trip time (rtt) measurements based on the ftm exchange, calculating a responding station calibration value based on the plurality of differential rtt measurements, and transmitting the responding station calibration value to the responding station.. ... Qualcomm Incorporated

06/07/18 / #20180160389

Positioning techniques for wireless communications devices using shared radio frequency spectrum

Positioning techniques for wireless communications devices using shared radio frequency spectrum are provided that may enhance positioning determination for devices operating using shared radio frequency spectrum. Various disclosed techniques provide for identifying determining one or more parameters for a positioning procedure for a ue based on characteristics of shared radio frequency spectrum transmissions. ... Qualcomm Incorporated

06/07/18 / #20180160386

Effective scanning solution during multi-sim roaming

A method for home public land mobile network (hplmn) search during roaming for a multi-subscriber identity module (sim) mobile communication device, may include: determining that a first subscription and a second subscription are roaming; determining whether an hplmn search timer has expired for the first subscription; in response to determining that the hplmn search timer has expired for the first subscription, determining whether a mode capability of the first subscription is greater than a mode capability of the second subscription; and in response to determining that the mode capability of the first subscription is greater than the mode capability of the second subscription, performing an hplmn search for the first subscription.. . ... Qualcomm Incorporated

06/07/18 / #20180160381

Background crystal oscillator calibration

System and method for temperature-calibration of a crystal oscillator (xo) in a mobile device. A temperature-calibration status of the xo is determined and a trigger condition related to temperature-calibration of the xo is detected. ... Qualcomm Incorporated

06/07/18 / #20180160377

Techniques for mitigating radio frequency exposure of objects proximate to a wireless device

Techniques are described for wireless communication at a wireless device, such as a base station, a user equipment, a customer premises equipment (cpe), etc. Some such wireless devices may communicate using beamformed transmissions, which may focus transmission energy in a particular direction. ... Qualcomm Incorporated

06/07/18 / #20180160362

Methods for performing cell global identity (cgi) measurements on wireless communication devices

Various embodiments include methods performed on a wireless communication device for facilitating cell global identity (cgi) measurements when a call is underway using a first wireless communication technology (e.g., lte) and the cgi measurement is to be conducted on a cell supporting a second wireless communication technology. A processor of the wireless communication device may perform power scans of a plurality of neighboring cells supporting the second communication technology, and select one of the plurality of neighboring cells based on the power scans. ... Qualcomm Incorporated

06/07/18 / #20180160334

Techniques for managing wlan ap-client mapping in a multi-radio systems

Techniques are provided for offloading a wireless local area network (wlan) scanning process, from the wlan radio of the device to a bluetooth radio, to identify information regarding the wlan mobile environment. By offloading the wlan scanning process to the bluetooth radio (e.g., to a bluetooth low energy (ble) radio), traffic disruptions for active wlan links is reduced. ... Qualcomm Incorporated

06/07/18 / #20180160333

Vehicle-to-vehicle (v2v) sensor sharing

Wireless communications systems and methods related to sharing of sensor data among vehicles are provided. A first vehicle receives, from a second vehicle, first sensing information associated with a first object. ... Qualcomm Incorporated

06/07/18 / #20180160328

Access terminal radio link monitoring (rlm) on a shared communication medium

Techniques for access terminal radio link monitoring on a shared communication medium are disclosed. In an aspect, an access terminal detects a missed reference signal event associated with a radio link established on the shared communication medium, wherein detecting the missed reference signal event comprises determining that the access terminal did not detect a reference signal for measuring a quality of the radio link transmitted during a reference signal configuration window, assigns an error metric to the missed reference signal event based on reference signal monitoring capabilities of the access terminal, and triggers a radio link failure based on the assigned error metric. ... Qualcomm Incorporated

06/07/18 / #20180160313

Opportunistic reclaiming of resources in new radio-spectrum sharing (nr-ss)

Wireless communications systems and methods related to reclaiming of resources in a shared frequency spectrum shared by multiple operators are provided. A first wireless communication device associated with a first operator of a plurality of operators identifies a transmission opportunity in a shared frequency spectrum shared by the plurality of operators, wherein the first operator has priority among the plurality of operators for accessing the shared frequency spectrum in the transmission opportunity. ... Qualcomm Incorporated

06/07/18 / #20180160134

Indication of bilateral filter usage in video coding

Embodiments include use of a bilateral filter applied to reconstructed blocks as an in-loop filter by both the encoder and decoder. In particular, embodiments include systems and methods of explicitly and implicitly signaling for which blocks to apply bilateral filtering.. ... Qualcomm Incorporated

06/07/18 / #20180160132

Temporal motion vector prediction (tmvp) indication in multi-layer codecs

An apparatus for coding video information according to certain aspects includes a memory and a processor configured to: determine a value of a first flag indicative of whether preceding pictures that precede a current picture in a current layer in decoding order are used for temporal motion vector prediction (tmvp) of subsequent pictures that follow the current picture in the current layer in decoding order, the first flag associated with the current picture; and refrain from using the preceding pictures in the current layer as reference pictures for tmvp of the current picture, in response to determining that the value of the first flag indicates that the preceding pictures in the current layer should not be used for tmvp of the subsequent pictures in the current layer.. . ... Qualcomm Incorporated

06/07/18 / #20180160123

Systems and methods of signaling of regions of interest

Techniques and systems are provided for processing video data. In one example, a media file associated with 360-degree video data can be obtained. ... Qualcomm Incorporated

06/07/18 / #20180160046

Depth-based zoom function using multiple cameras

A method for displaying preview images is disclosed. In one aspect, the method includes: receiving first images captured by a first camera having a first field-of-view (fov), receiving second images captured by a second camera having a second fov that is different than the first fov, and displaying preview images generated based on the first and second images. ... Qualcomm Incorporated

06/07/18 / #20180159926

Opportunistic sync block transmission for mm wave nr-ss

Opportunistic synchronization block transmission for millimeter (mm) wave (mmw) new radio (nr) shared spectrum (nr-ss) is disclosed. In the shared spectrum operations, additional opportunities for synchronization signaling are provided by piggy backing a single shot, opportunistic synchronization (sync) block onto the directional beam used for transmitting a data burst to a served user equipment. ... Qualcomm Incorporated

06/07/18 / #20180159816

Dynamic evolved packet data gateway selection

In aspects of the disclosure, a method, an apparatus, and a computer program product for wireless communication are provided. In one aspect, the apparatus determines if a connection to a plmn has been established. ... Qualcomm Incorporated

06/07/18 / #20180159764

Base station initiated control mechanism for supporting supplemental link

Methods, systems, and apparatuses are described for a base station initiated control mechanism for supporting supplemental a link. In some aspects, control information associated with a directional, first radio access technology (rat) for a user equipment (ue) may be identified at a first base station, the first base station configured to communicate with the ue using the directional, first rat, and the control information associated with the directional, first rat may be transmitted to a second base station to forward to the ue using a second rat.. ... Qualcomm Incorporated

06/07/18 / #20180159657

Encoding in uplink multi-user mimo and ofdma transmissions

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the apparatus is configured to determine a number of data symbols for transmitting a data payload. ... Qualcomm Incorporated

06/07/18 / #20180159649

Techniques for transmitting or using a pull-in signal to locate a synchronization channel

Techniques are described for wireless communication. One method includes searching for a synchronization channel on a first raster point of a frequency raster identified for synchronization channel transmission. ... Qualcomm Incorporated

06/07/18 / #20180159610

Csi request procedure in lte/lte-a with unlicensed spectrum

Channel state information (csi) request procedures are disclosed for use in long term evolution (lte)/lte-advanced (lte-a) networks with unlicensed spectrum. Instead of relying on periodic reference signals which may not be transmitted because of failed clear channel assessment (cca) operations, an aperiodic reference signal is defined that provides an on-demand reference signal and csi request for user equipment (ue). ... Qualcomm Incorporated

06/07/18 / #20180159599

Efficient control mechanism in distributed antenna modules

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication. In certain aspects, the apparatus generally includes a first interface configured to obtain, from a baseband module, a multiplexed signal comprising a control signal, a second interface configured to obtain a power signal, a radio frequency (rf) module, a regulator coupled to the second interface and configured to receive the power signal, and a circuit configured to provide the control signal to the regulator. ... Qualcomm Incorporated

06/07/18 / #20180159474

Enhanced broadband operation of an active mixer

Methods, systems, and devices for wireless communication are described for enhanced broadband operation of an active mixer. In an example, an apparatus may include an active mixer that converts between radio frequency (rf) signals and intermediate frequency (if) signals based at least in part on an alternating current (ac) local oscillator (lo) signal, wherein a direct current (dc) current generated within the active mixer is dependent in part on a bias voltage and the ac lo signal. ... Qualcomm Incorporated

06/07/18 / #20180158935

Asymmetric gated fin field effect transistor (fet) (finfet) diodes

Asymmetric gated fin field effect transistor (fet) (finfet) diodes are disclosed. In one aspect, an asymmetric gated finfet diode employs a substrate that includes a well region of a first-type and a fin disposed in a direction. ... Qualcomm Incorporated

06/07/18 / #20180158746

Chip package

A chip package may include a first polymer layer and a first semiconductor chip in the first polymer layer. The first semiconductor chip may include a first semiconductor device and a first semiconductor substrate supporting the first semiconductor device. ... Qualcomm Incorporated

06/07/18 / #20180158506

Pulse-stretcher clock generator circuit for high speed memory subsystems

The apparatus provided includes a memory. The memory is configured to receive a memory clock. ... Qualcomm Incorporated

06/07/18 / #20180158193

Systems and methods for non-obstacle area detection

A method performed by an electronic device is described. The method includes generating a depth map of a scene external to a vehicle. ... Qualcomm Incorporated

06/07/18 / #20180157929

Image extraction

A device includes a memory buffer and a processor. The memory buffer is configured to store background image-blocks corresponding to image-blocks of a plurality of image frames of a video stream. ... Qualcomm Incorporated

06/07/18 / #20180157611

Camera control interface slave device to slave device communication

In a shared bus where communications are managed by a master device, direct slave device to slave device (s2s) communications is implemented. A first slave device wanting to communicate with a second slave device may make a s2s communication request to the master device. ... Qualcomm Incorporated

06/07/18 / #20180157609

Controller-phy connection using intra-chip serdes

An on-chip passive transmission channel is provided for the propagation of serialized data from a first controller to a dual-protocol physical layer interface. A second controller for the dual-protocol physical layer interface is located closer on a semiconductor die to the dual-protocol physical layer interface than the first controller.. ... Qualcomm Incorporated

06/07/18 / #20180157441

Providing extended dynamic random access memory (dram) burst lengths in processor-based systems

Providing extended dynamic random access memory (dram) burst lengths in processor-based systems is disclosed. In one aspect, a processor-based system includes a dram circuit (e.g., disposed on a common x4/x8 die) providing 4-bit-wide data access (“x4”) and a 128-bit internal data prefetch. ... Qualcomm Incorporated

06/07/18 / #20180157315

System and method for proactive power and performance management of a workload in a portable computing device

Disclosed are methods and systems for proactive power and performance management of workloads in a portable computing device (“pcd”), such as, but not limited to, a virtual reality (“vr”) or augmented reality (“ar”) workload. An exemplary embodiment determines that a target application (or an application queued for execution) is compatible with a proactive throttling policy. ... Qualcomm Incorporated

05/31/18 / #20180152964

Channel access for a mixed numerology carrier

In a radio air interface, a mixed-numerology carrier is one that multiplexes orthogonal frequency division multiplexed (ofdm) waveforms that have different numerologies onto the same carrier. This disclosure provides for a sync signal (ss) enabling channel access for such a mixed-numerology carrier. ... Qualcomm Incorporated

05/31/18 / #20180152944

Techniques and apparatuses for improving carrier aggregation throughput in a feedback receiver based device

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device may determine that a first component carrier (cc), associated with a first communications chain of one or more components of the wireless communication device, has a lower throughput than a second cc associated with a second communications chain of the one or more components, wherein the second communications chain selectively receives a signal of a feedback receiver of a component of the one or more components. ... Qualcomm Incorporated

05/31/18 / #20180152918

Flexible wireless device operation in the presence of radar signals

A method and apparatus are disclosed for transmitting, by a wireless device, wireless communication signals in the presence of one or more radar signals. For at least some embodiments, a wireless communication channel may be divided into a plurality of resource units. ... Qualcomm Incorporated

05/31/18 / #20180152905

Synchronization signal options for 5g/new radio

The present disclosure provides an example method and an apparatus for transmitting synchronization signals from an enb with a different subcarrier spacing from rest of transmissions. That is, a primary synchronization signal (pss), a secondary synchronization signal (sss) may be transmitted using a first subcarrier spacing, a physical broadcast channel (pbch), and/or a reference signal (rs) may be transmitted with a second subcarrier spacing, and other transmissions may be made using a third subcarrier spacing that is different from at least one of the first or second subcarrier spacing. ... Qualcomm Incorporated

05/31/18 / #20180152860

Buffer status report triggering

Methods, systems, and devices for wireless communication are described for buffer status report triggering. An access point (ap) may identify that an amount of uplink data queued in a buffer of a station is less than a predetermined threshold. ... Qualcomm Incorporated

05/31/18 / #20180152779

Low latency transmission systems and methods for long distances in soundwire systems

Low latency transmission systems and methods for long distances in soundwire systems are disclosed. In an exemplary aspect, a soundwire sub-system is coupled to a long cable through a bridge. ... Qualcomm Incorporated

05/31/18 / #20180152732

Transform hardware architecture for video coding

Techniques are described for performing transformation on video data. A transform circuit may receive m sample values of the video data from a pre-transform buffer, and process the m sample values with n computation units of the transform circuit to generate intermediate values. ... Qualcomm Incorporated

05/31/18 / #20180152721

Systems and methods for signaling and constraining a high dynamic range (hdr) video system with dynamic metadata

Provided are methods, apparatus, and computer-readable medium for processing video data by a video coding system that implements st 2094-10. Video data can include at least two video signals, which can be displayed at the same time in different display regions of a video frame. ... Qualcomm Incorporated

05/31/18 / #20180152703

Systems and methods for signaling and constraining a high dynamic range (hdr) video system with dynamic metadata

Provided are methods, apparatus, and computer-readable medium for processing video data using a video coding system that implements st 2094-10 for modifying the color volume of a video signal. In various implementations, metadata blocks that include color volume transform parameters can be included in an encoded bitstream with an encoded video. ... Qualcomm Incorporated

05/31/18 / #20180152498

Enhanced block-request streaming using block partitioning or request controls for improved client-side handling

A block-request streaming system provides for improvements in the user experience and bandwidth efficiency of such systems, typically using an ingestion system that generates data in a form to be served by a conventional file server (http, ftp, or the like), wherein the ingestion system intakes content and prepares it as files or data elements to be served by the file server. A client device can be adapted to take advantage of the ingestion process. ... Qualcomm Incorporated

05/31/18 / #20180152333

Multicarrier on-off keying waveform coding

Methods, systems, and devices for wireless communication are described that provide for generating a multicarrier wakeup signal that is modulated using multiple on-off keying (ook) patterns. In some cases, the ook pattern may be constructed using one or more of the following techniques: forward error correction (fec) coding, spreading, encoding (e.g., dc balance encoding such as manchester encoding), and orthogonal frequency division multiplexing (ofdm) overlay mapping. ... Qualcomm Incorporated

05/31/18 / #20180152307

Device to provide trusted time assurance

Aspects may relate to a device to provide trusted time assurance. The device may comprise: a time clock; an interface; and a processor coupled to the interface. ... Qualcomm Incorporated

05/31/18 / #20180152176

Voltage aware circuit for dual voltage domain signals

Systems and methods for pulse generation in a dual voltage domain include a first and a second voltage aware branch sensitive to a low voltage domain. The first voltage aware branch includes an inverter in the low voltage domain for delaying a leading edge of an output pulse in a high voltage domain from a leading edge of an input pulse in the high voltage domain. ... Qualcomm Incorporated

05/31/18 / #20180151513

Integrated circuit (ic) devices with varying diameter via layer

An integrated circuit (ic) device includes a device layer and a passivation layer, where the passivation layer has vias formed in an interior region of the passivation layer that are larger than vias formed in a perimeter region of the passivation layer. As such, a varying diameter via layer is provided. ... Qualcomm Incorporated

05/31/18 / #20180151291

Inductor with embedded diode

Some examples of the disclosure include a low profile inductor for use on a printed circuit board to minimize the area occupied and enable easier breakout routing and opening up additional area for other components. In one example, an inductor may include a cavity with diode, such as a low profile diode, that does not increase the area occupied by the inductor.. ... Qualcomm Incorporated

05/31/18 / #20180150394

Multi-mode cache invalidation

Systems and methods for cache invalidation, with support for different modes of cache invalidation include receiving a matchline signal, wherein the matchline signal indicates whether there is a match between a search word and an entry of a tag array of the cache. The matchline signal is latched in a latch controlled by a function of a single bit mismatch clock, wherein a rising edge of the single bit mismatch clock is based on delay for determining a single bit mismatch between the search word and the entry of the tag array. ... Qualcomm Incorporated

05/31/18 / #20180150125

Wifi memory power minimization

The disclosure relates to minimizing power consumption of a wifi system-on-chip (soc) during idle periods. The disclosed architecture includes memory banks for the wifi soc's embedded processor that can be independently powered on/off and a memory management unit (mmu) to translate virtual addresses to physical addresses and generate exceptions to process accesses to virtual addresses without a corresponding physical address. ... Qualcomm Incorporated

05/31/18 / #20180150124

Wifi memory power minimization

The disclosure relates to minimizing power consumption of a wifi system-on-chip (soc) during idle periods. The disclosed architecture includes memory banks for the wifi soc's embedded processor that can be independently powered on/off and a memory management unit (mmu) to translate virtual addresses to physical addresses and generate exceptions to process accesses to virtual addresses without a corresponding physical address. ... Qualcomm Incorporated

05/31/18 / #20180150123

Wifi memory power minimization

The disclosure relates to minimizing power consumption of a wifi system-on-chip (soc) during idle periods. The disclosed architecture includes memory banks for the wifi soc's embedded processor that can be independently powered on/off and a memory management unit (mmu) to translate virtual addresses to physical addresses and generate exceptions to process accesses to virtual addresses without a corresponding physical address. ... Qualcomm Incorporated

05/31/18 / #20180149680

Voltage buffer for current sensor

A sensing cell includes a current sensor, an integrating capacitor, and a voltage buffer. The integrating capacitor is configured to store a voltage representative of a current signal generated by the current sensor. ... Qualcomm Incorporated

05/24/18 / #20180146506

Phase compensation reference signal in nr-ss comp

Phase compensation in a new radio (nr) shared spectrum (nr-ss) coordinated multipoint (comp) environment is discussed. A base station may synchronize the phase between one or more additional base stations in a coordinated multipoint (comp) group serving one or more user equipments (ues). ... Qualcomm Incorporated

05/24/18 / #20180146492

Techniques and apparatuses for complementary transmission relating to an interrupted traffic flow in new radio

A method, an apparatus, and a computer program product for wireless communication are provided. An apparatus may obtain information indicating that a portion of a first traffic flow to be transmitted on a first link is to be interrupted by a second traffic flow to be transmitted on the first link. ... Qualcomm Incorporated

05/24/18 / #20180146480

Uplink resource allocation techniques for shared radio frequency spectrum

Disclosed techniques provide for different uplink resource allocation schemes in transmissions that use different shared radio frequency spectrum bands. In some cases, the different shared radio frequency spectrum bands may have different transmission characteristics or parameters, and associated resource allocation schemes may be selected to provide transmissions that are more likely to comply with the transmission characteristics or parameters associated with a particular band. ... Qualcomm Incorporated

05/24/18 / #20180146458

Methods and apparatus for multiplexing transmission control information

Methods and systems for wireless communication are disclosed. In one aspect, a method includes generating device specific transmission control information for each of two devices, transmitting the transmission control information for each device over different frequencies, and transmitting data to each of the devices as part of a communication according to the respective transmission control information. ... Qualcomm Incorporated

05/24/18 / #20180146444

Asynchronous ca handling

Handling of asynchronous multi-carrier is discussed. In new radio (nr) fifth generation (5g) networks, the potential for provision of multi-carrier operations (e.g., carrier aggregation (ca), dual connectivity (dc), etc.) that include asynchronous component carriers (ccs) has been proposed. ... Qualcomm Incorporated

05/24/18 / #20180146440

Power headroom reporting for systems with multiple transmission time intervals

Methods, systems, and devices for wireless communication are described. Separate or combined transmissions of power headroom reports for transmission time intervals (ttis) having different durations may be transmitted. ... Qualcomm Incorporated

05/24/18 / #20180146433

Subband set dependent uplink power control

Certain aspects of the present disclosure provide techniques for uplink power control (ulpc) that may help achieve frequency domain interference mitigation. Aspects generally directed to frequency domain interference mitigation. ... Qualcomm Incorporated

05/24/18 / #20180146419

Steady-state beam scanning and codebook generation

A method, an apparatus, and a computer-readable medium may be described in the present disclosure. The apparatus may be a user equipment. ... Qualcomm Incorporated

05/24/18 / #20180146408

Techniques for selecting a radio access technology over an unlicensed radio frequency spectrum band for serving a class of traffic

A method for wireless communication at a user equipment (ue) includes determining that both a cellular radio access technology (rat) and a wireless local area network (wlan) rat are available over an unlicensed radio frequency spectrum band; obtaining measurements for at least the cellular rat or the wlan rat; selecting, by the ue, one of the cellular rat or the wlan rat for a class of traffic, where the selected rat is selected based at least in part on the measurements; and serving the class of traffic based at least in part on the selected rat.. . ... Qualcomm Incorporated

05/24/18 / #20180146385

Ftm protocol with angle of arrival and angle of departure

Apparatuses and methods are disclosed for performing ranging operations between a first device and a second device. The first device may receive, from the second device, a fine timing measurement (ftm) request frame including a request to estimate angle information for a number of frames exchanged with the second device and indicating a level of accuracy for the estimated angle information. ... Qualcomm Incorporated

05/24/18 / #20180146381

Channel feedback reporting for shared frequency spectrum

Methods, systems, and devices are described for wireless communication. A device may use enhanced reporting mechanisms to support control information reporting on shared spectrum. ... Qualcomm Incorporated

05/24/18 / #20180146365

Device capability exchange in multi-sim and concurrent-rat devices

Examples described herein relate to apparatuses and methods for a wireless communication device having a first subscriber identity module (sim) enabling a first subscription and a second sim enabling a second subscription to manage communications over the first subscription and the second subscription including determining a change in device mode associated with the first subscription and updating the change in device mode by sending a device capability information message to the first network associated with the first subscription in response to determining the change in device mode without performing a de-attach procedure with the first network.. . ... Qualcomm Incorporated

05/24/18 / #20180146332

Enhancements to observed time difference of arrival positioning of a mobile device

A mobile station performs observed time difference of arrival (otdoa) positioning by measuring a time of arrival (toa) of downlink signals transmitted from a reference cell and one or more neighbor cells. Reference signal time differences (rstds) are generated using toa measurements from the reference cell and each neighbor cell. ... Qualcomm Incorporated

05/24/18 / #20180146276

Startup circuit and methods of use for audio accessories

An accessory device, configured to be interfaced with a master device, and configured to operate in an analog mode and in a digital mode, the accessory device including: a startup circuit including: a first transistor that interfaces the accessory device to the master device, wherein the first transistor is configured with a first resistive capacitive (rc) circuit to turn on the first transistor according to a time constant of the first rc circuit; a second transistor coupled between ground and the first rc circuit, wherein the second transistor is configured to control a gate of the first transistor in response to a control signal; and a diode having an anode coupled to the first node and a cathode coupled to a body terminal of the first transistor.. . ... Qualcomm Incorporated

05/24/18 / #20180146211

Implicit coding of reference line index used in intra prediction

A device for decoding video data determines that a current block of video data is coded using a linear model prediction mode; for the luma component of the current block, determines reconstructed luma samples; based on luma samples in a luma component of one or more already decoded neighboring blocks and chroma samples in a chroma component of the one or more already decoded neighboring blocks, determines values for linear parameters, wherein the luma samples in the luma component of the one or more already decoded neighboring blocks comprise luma samples from a starting line in the luma component of the one or more already decoded neighboring blocks, wherein the starting line in the luma component of the one or more already decoded neighboring blocks is at least one line removed from a border line of the luma component of the current block.. . ... Qualcomm Incorporated

05/24/18 / #20180146194

Low complexity sample adaptive offset (sao) coding

A device for encoding video data may be configured to encode video data according to a set of sample adaptive offset (sao) types; perform a plurality of coding passes to test a subset of the sao types for a first block of video data, wherein the subset is smaller than the set; select from the subset of sao types an sao type for the first block of video data; and generate for inclusion in an encoded bitstream, information for identifying the selected sao type for the first block.. . ... Qualcomm Incorporated

05/24/18 / #20180146076

Indicating presence of mid-amble

Various aspects of the disclosure relate to communication using a data unit that includes at least one mid-amble. In some aspects, an apparatus may use mid-ambles for mobility scenarios (e.g., when the apparatus is moving outdoors). ... Qualcomm Incorporated

05/24/18 / #20180145919

Wi-fi link aggregation

Techniques for wireless communication are described. One method includes receiving, at a first protocol layer of a wireless communications device, data flows from a second protocol layer for transmission on a first sub-band of a shared radio frequency spectrum band or a second sub-band of the shared radio frequency spectrum band, the second protocol layer being a higher protocol layer than the first protocol layer; scheduling the data flows from the first protocol layer or the second protocol layer to the first sub-band of the shared radio frequency spectrum band or the second sub-band of the shared radio frequency spectrum band based on a parameter associated with the data flows and at least one metric associated with at least one of the first sub-band or the second sub-band; and aggregating the data flows for transmission over the first sub-band and the second sub-band based on the scheduling.. ... Qualcomm Incorporated

05/24/18 / #20180145854

Space-time block coding schemes for dft-s-ofdm

An apparatus and method for transmission of a single-carrier waveform from multiple transmit antennas including both a reference signal and data in a discrete fourier transform spread orthogonal frequency division multiplexing (dft-s-ofdm) symbol.. . ... Qualcomm Incorporated

05/24/18 / #20180145839

Data multicast or broadcast on control channel for narrowband communication

Methods, systems, and devices for wireless communication are described. Data for a broadcast or multicast service may be sent over a control channel. ... Qualcomm Incorporated

05/24/18 / #20180145838

Message-based key generation using physical unclonable function (puf)

Exemplary features pertain to secure communications using physical unclonable function (puf) devices. Segments of a message to be encrypted are sequentially applied to a puf device as a series of challenges to obtain a series of responses for generating a sequence of encryption keys, whereby a previous segment of the message is used to obtain a key for encrypting a subsequent segment of the message. ... Qualcomm Incorporated

05/24/18 / #20180145812

Mobility communication using mid-ambles

Various aspects of the disclosure relate to communication using a data unit that includes at least one mid-amble. In some aspects, an apparatus may use mid-ambles for mobility scenarios (e.g., when the apparatus is moving outdoors). ... Qualcomm Incorporated

05/24/18 / #20180145810

Techniques for transmitting and receiving synchronization signals over an unlicensed radio frequency spectrum band

Techniques are described for wireless communication. A first method may include receiving at a user equipment (ue) over an unlicensed radio frequency spectrum band an indication of a time window associated with a transmission of a synchronization signal, and monitoring the unlicensed radio frequency spectrum band during the time window to receive a synchronization signal from a base station. ... Qualcomm Incorporated

05/24/18 / #20180145803

Comb interlacing of dft-spreaded data and reference signals

Certain aspects of the present disclosure provide techniques for processing reference and data signals for uplink transmission. A method is provided for wireless communications. ... Qualcomm Incorporated

05/24/18 / #20180145783

Asymmetric heterogeneous waveform shaping in wireless communications

Waveforms may be shaped in a wireless communications device by processing head tones of a multi-tone carrier using a head tone waveform shaping characteristic to provide a first sub-symbol, processing tail tones of the multi-tone carrier using a tail tone waveform shaping characteristic to provide a second sub-symbol, and processing center tones of the multi-tone carrier using a center tone waveform shaping characteristic to provide a third sub-symbol. The first, second, and third waveform shaping characteristics may be different from each other, i.e., the waveform shaping may be asymmetric. ... Qualcomm Incorporated

05/24/18 / #20180145742

Techniques and apparatuses for switching between a single antenna subarray operation and a multiple antenna subarray operation for different traffic types

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive an indication of a traffic type, wherein the indication is received via a first radiofrequency (rf) band. ... Qualcomm Incorporated

05/24/18 / #20180145738

Multi-hypothesis channel quality indicator feedback

A method for providing multi-hypothesis channel quality indicator (mh-cqi) feedback is described. Hypotheses corresponding to rank indicator (ri) and precoding matrix indicator (pmi) assumptions associated with a dominant interferer are selected. ... Qualcomm Incorporated

05/24/18 / #20180145733

Indicating support for communication using mid-ambles

Various aspects of the disclosure relate to communication using a data unit that includes at least one mid-amble. In some aspects, an apparatus may use mid-ambles for mobility scenarios (e.g., when the apparatus is moving outdoors). ... Qualcomm Incorporated

05/24/18 / #20180145703

Techniques for using a cyclic redundancy check in conjunction with a low-density parity-check encoding scheme

Techniques are described for wireless communication at a wireless device. One method includes receiving a control channel and a data channel over a radio frequency spectrum, decoding the control channel, and decoding a packet received over the data channel. ... Qualcomm Incorporated

05/24/18 / #20180145686

Apparatus and method for sensing distributed load currents provided by power gating circuit

An apparatus for sensing distributed load currents provided by power gating circuit. The apparatus includes a power gating circuit including a set of bulk transistors coupled in series with a set of circuits between first and second voltage rails. ... Qualcomm Incorporated

05/24/18 / #20180145071

Decoupling capacitor with metal programmable knee frequency

A mos ic includes pmos transistors, each having a pmos transistor drain, source, and gate. Each pmos transistor gate extends in a first direction and is coupled to other pmos transistor gates. ... Qualcomm Incorporated

05/24/18 / #20180145062

Passive-on-glass (pog) device and method

A device includes a glass substrate and a capacitor. The capacitor includes a first metal coupled to a first electrode, a dielectric structure, and a via structure comprising a second electrode of the capacitor. ... Qualcomm Incorporated

05/24/18 / #20180144521

Geometric work scheduling of irregularly shaped work items

Various embodiments may include methods executed by processors of computing devices for geometry based work execution prioritization of irregular shapes on a computing device. Various embodiments may include calculating cost functions for an irregularly shaped work region detected by the computing device. ... Qualcomm Incorporated

05/24/18 / #20180144520

Oriented image stitching for spherical image content

Techniques are described related to generating image content. A graphics processing unit (gpu) is configured to receive a first set of images generated from a first camera device in a first location, the first camera device having a first orientation, render for display the first set of images oriented to an orientation reference, receive a second, different set of images generated from a second, different camera device in a second, different location, the second camera device having a second orientation, the second orientation being different than the first orientation, and render for display the second set of images oriented to the orientation reference.. ... Qualcomm Incorporated

05/24/18 / #20180144476

Cascaded-time-scale background modeling

The techniques and systems described for a cascaded-time-scale background modeling technique. In various implementations, the technique includes maintaining a short-term background model, which can be updated for every input video frame. ... Qualcomm Incorporated

05/24/18 / #20180144086

Adaptive multi-tier power distribution grids for integrated circuits

The place and route stage for a hard macro including a plurality of tiles is modified so that some of the tiles are assigned a more robust power-grid tier and so that others ones of the tiles are assigned a less robust power-grid tier.. . ... Qualcomm Incorporated

05/24/18 / #20180143938

System and method of sending data via additional secondary data lines on a bus

A serial low-power inter-chip media bus communications link is deployed in apparatus having multiple integrated circuit devices. Communications capabilities of a device coupled to the communications link may be determined and configuration or framing message may be sent to the first device based on the capabilities. ... Qualcomm Incorporated

05/24/18 / #20180143916

Universal serial bus (usb) system supporting display alternate mode functionality on a usb type-c adapter

A universal serial bus (usb) system supporting display alternate mode functionality on a usb type-c adapter is disclosed. In one aspect, a display controller in a display source device can detect a display sink device attached to a display connector of a usb type-c split adapter and communicate a display data signal to at least three preconfigured display data pins without negotiating a pin assignment with the attached display sink device. ... Qualcomm Incorporated

05/24/18 / #20180143862

Circuits and methods providing thread assignment for a multi-core processor

A method includes generating temperature information from a plurality of temperature sensors within a computing device, wherein a first one of the temperature sensors is physically located at a first processing unit of the computing device; processing the temperature information to identify that the first temperature sensor is associated with temperature that is at or above a threshold; and assigning a processing thread to a first core of a plurality of cores of a second processing unit in response to identifying that the first temperature sensor is associated with temperature that is at or above the threshold and based at least in part on a physical distance between the first core and the first temperature sensor.. . ... Qualcomm Incorporated

05/24/18 / #20180143853

Circuits and methods providing core scheduling in response to aging for a multi-core processor

A system includes a computer processor including n cores; and a plurality of device aging sensors, wherein each one of the plurality of device aging sensors is disposed within a respective core, the plurality of device aging sensors being configured to communicate core aging information with a core scheduler in the computer processor, wherein the core scheduler is configured to make a first set of m cores available to a thread scheduler and remaining cores of the n cores unavailable to the thread scheduler in a first time period in which the core aging information indicates that aging of the first set of m cores is below a threshold, and wherein the core scheduler is configured to make a second set of m cores available to the thread scheduler and remaining cores of the n cores unavailable to the thread scheduler in a second time period.. . ... Qualcomm Incorporated

05/24/18 / #20180143728

Apparatus for piezoelectric force detection

Certain aspects of the present disclosure generally relate to a touch panel. The touch panel may include a cover layer, of a plurality of layers, configured to receive a touch force applied to the touch panel. ... Qualcomm Incorporated

05/17/18 / #20180139791

Methods for beam recovery in millimeter wave systems

Certain aspects of the present disclosure provide techniques for signaling information regarding beams used for data and control transmissions to a ue. For example, a method for wireless communications by a user equipment (ue), may generally include signaling information to a base station (bs) that the ue is seeking recovery of a beamformed link between the bs and the ue, and participating in recovery of the beamformed link in accordance with the information. ... Qualcomm Incorporated

05/17/18 / #20180139788

Establishing emergency calls on mobile devices

Various methods for performing an emergency call on a mobile communication device having a first subscription and a second subscription may include receiving, from a user, an input to perform the emergency call on the first subscription, attempting to establish the emergency call on the first subscription, attempting to establish the emergency call on the second subscription, determining whether the emergency call has been established on either the first subscription or the second subscription, completing the emergency call on the first subscription and cancelling the attempt to establish the emergency call on the second subscription in response to determining that the emergency call has been established on first subscription, and completing the emergency call on the second subscription and cancelling the attempt to establish the emergency call on the first subscription in response to determining that the emergency call has been established on second subscription.. . ... Qualcomm Incorporated

05/17/18 / #20180139787

Two step random-access channel (rach) procedure in millimeter wave (mmw)

Certain aspects of the present disclosure provide techniques for random-access channel (rach) communication. For example, certain aspects provide a method for wireless communication. ... Qualcomm Incorporated

05/17/18 / #20180139785

Ul waveform during rach procedure and autonomous ul transmission

Systems and methods herein determine whether an uplink rach request and/or an uplink autonomous message will be sent using discrete fourier transform-spread-orthogonal frequency division multiplexing (dft-s-ofdm), cyclic prefix orthogonal frequency division multiplexing (cp-ofdm), or another waveform. The determinations may be based on carrier frequencies, path loss measurements, preconfigurations, and/or more. ... Qualcomm Incorporated

05/17/18 / #20180139782

Opportunistic asynchronous operation for coordinated nr-ss

An opportunistic asynchronous operation for coordinated new radio (nr) shared spectrum (nr-ss) operations is discussed. In a wireless network having at least one contention-based shared channel in which communications are configured having one or more control intervals time division multiplexed with one or more data intervals for transmission opportunities, a base station receives data for communication at a time during a current data interval on a contention-based shared channel. ... Qualcomm Incorporated

05/17/18 / #20180139777

Techniques for reservation preamble for low latency detection in a new radio shared spectrum communication system

Methods and apparatuses for transmitting and detecting channel reservation preamble in a nr shared spectrum are described. An aspect may include determining whether a first reservation preamble of a first operator is received on a first time slot of multiple time slots of a downlink channel from a first network entity, and transmitting a second reservation preamble of the first operator on an uplink channel to the second network entity. ... Qualcomm Incorporated

05/17/18 / #20180139772

Discontinuous reception and scheduling techniques in wireless communication systems using multiple transmission time intervals

Described techniques provide for communications using multiple different transmission time intervals (ttis) while in a configured drx mode that allows efficient scheduling and allocation of resources, and relatively efficient power usage at a user equipment (ue). In some cases, two or more available ttis for transmissions between a base station and a ue may be identified, and a drx cycle configured based at least in part on the available ttis. ... Qualcomm Incorporated

05/17/18 / #20180139770

Uplink data transfer for wireless communications with mixed transmission time intervals

Described techniques provide for prioritization of radio bearers and logical channels based on mixed tti durations or numerologies of the bearers or logical channels. Two or more bearers may be identified for uplink data transmission that carry data to be transmitted using different tti durations or numerologies. ... Qualcomm Incorporated

05/17/18 / #20180139763

Systems and methods to support multiple configurations for positioning reference signals in a wireless network

Disclosed are techniques for supporting multiple configurations of reference signals for otdoa positioning in a wireless network. In an aspect, a ue sends to a location server, a message indicating reference signal characteristics supported by the ue, where the reference signal characteristics include a ue supported reference signal bandwidth. ... Qualcomm Incorporated

05/17/18 / #20180139758

Method to enable iterative processing and perform closer to constrained capacity

Systems, methods and apparatus select a code book based on channel conditions and performance of a demodulator or demapper in a wireless receiver. The method may include determining that the receiver in a first wireless communication apparatus is configured for iteratively processing signals received from a channel, selecting a code book for use in communicating over the channel based on conditions affecting transmission of the signals through the channel and performance information associated with a demapper in the receiver, and identifying the selected code book in one or more control channels transmitted to a second wireless communication apparatus.. ... Qualcomm Incorporated

05/17/18 / #20180139755

Traffic advertisement in neighbor aware network (nan) data path

A device for communication includes a processor and a transmitter. The processor is configured to determine whether to generate a trigger message as a unicast message or a broadcast message. ... Qualcomm Incorporated

05/17/18 / #20180139747

Timing advance reporting for latency reduction

Methods, systems, and devices for wireless communication are described. A user equipment (ue) and a base station may communicate according to a timing configuration that includes a time delay between uplink and downlink communications. ... Qualcomm Incorporated

05/17/18 / #20180139742

Data and control channels in synchronization bursts for millimeter wave new radio

Techniques are described for millimeter wave wireless communication. One method includes configuring a synchronization slot associated with a plurality of synchronization blocks, configuring a transmission of each synchronization block of the plurality of synchronization blocks based on the configured synchronization slot, assigning a synchronization region to a first frequency portion associated with a transmission beam of each synchronization block, assigning at least one of a data region or a control region to a second frequency portion associated with the transmission beam of each synchronization block, and transmitting a synchronization signal during the synchronization region and transmitting at least one of data signal during the data region or control information during the control region to a wireless node.. ... Qualcomm Incorporated

05/17/18 / #20180139735

Optimization of search space and sounding reference signal placement for improved decoding timeline

Aspects of the disclosure relate to wireless communication systems configured to provide techniques for strategically placing a sounding reference signal (srs) within a slot to improve the decoding timeline. Aspects of the disclosure further relate to wireless communication systems configured to optimize the physical downlink control channel (pdcch) search space within a slot to improve the decoding timeline. ... Qualcomm Incorporated

05/17/18 / #20180139715

Prioritizing synchronization channel frequencies in wireless communications

Aspects of the present disclosure describe acquiring a synchronization signal transmitted at a frequency location. An ordered list of possible frequency locations within a frequency band at which the synchronization signal may be transmitted can be obtained. ... Qualcomm Incorporated

05/17/18 / #20180139713

Unified synchronization channel design used in different communication modes

Split synchronization signal configuration for unified synchronization channels and techniques for indicating communication block boundaries in wireless communication systems that use a unified synchronization signal configuration that may be used in different communication modes are described. The disclosed split synchronization signal configuration allows the same synchronization signal configuration to be used in different communication modes (or numerologies) that operate on different frequencies. ... Qualcomm Incorporated

05/17/18 / #20180139712

Synchronization signal design

Methods, systems, and devices for wireless communication are described that provide for the indication of communication information using a correlation between synchronization signals transmitted by a base station for cell acquisition. The communication information may include a physical channel timing parameter such as synchronization periodicity, a physical broadcast channel (pbch) periodicity, a beam sweep periodicity, or a cyclic prefix (cp) type. ... Qualcomm Incorporated

05/17/18 / #20180139702

Techniques and apparatuses for adjusting transmission power for power-limited uplink carrier aggregation scenarios

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may decrease a first value of a transmission power of a first component carrier relative to a second value of a transmission power of a second component carrier based at least in part on the second component carrier carrying control information for the user equipment, wherein the second value of the transmission power of the second component carrier is based at least in part on a first maximum power reduction value identified for carrier aggregation. ... Qualcomm Incorporated

05/17/18 / #20180139695

Energy efficient discovery and traffic management in a mesh wan for ioes with a wakeup receiver

A relay device in a mesh wireless access network (wan) may listen for a signal during a pre-wakeup (pwu) period to determine whether to power on a radio during a wakeup cycle. If the relay device receives a signal during the pwu period, it may power on a radio to transmit a discovery broadcast or to send and receive data. ... Qualcomm Incorporated

05/17/18 / #20180139672

Techniques for configuring an advanced receiver based on cell information, channel allocation information, or a device display status

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may identify a trigger condition relating to one or more of cell information regarding a cell to which the apparatus is connected, channel allocation information regarding the device, or a device display status of the apparatus. ... Qualcomm Incorporated

05/17/18 / #20180139657

Radio resource management procedures for new radio

The present disclosure provides for fast radio resource management procedures for new radio. Generally, a fixed frame structure is utilized and all base stations are synchronized. ... Qualcomm Incorporated

05/17/18 / #20180139648

Signaling strategy for advanced receiver with interference cancellation and suppression

Signaling strategies for an advanced receiver with interference cancellation (ic) and suppression is discussed. Upon enablement of an advanced interference cancellation procedure according to the disclosure, transmitters within the enabled area transmit according to transmission restriction configurations that provide transmission limits based on either frequency, time, or scheduling. ... Qualcomm Incorporated

05/17/18 / #20180139620

Centralized control of peer-to-peer communication

Techniques for centralized control of peer-to-peer (p2p) communication and centralized control of femto cell operation are described. For centralized control of p2p communication, a designated network entity (e.g., a base station) may control p2p communication of stations (e.g., ues) located within its coverage area. ... Qualcomm Incorporated

05/17/18 / #20180139618

Self-contained transmissions for machine type communications

Certain aspects of the present disclosure provide techniques for transmitting and receiving self-contained transmissions for enhanced machine type communications (emtc) in unlicensed spectrum (emtc-u). An exemplary method includes a bs determining, based on a listen before talk (lbt) procedure, that a first portion of unlicensed radio frequency spectrum is available for a frame, transmitting, on the first portion of the unlicensed radio frequency spectrum, a control channel indicating a frame format of the frame or a grant of the first portion of the unlicensed radio frequency spectrum for the frame, and communicating with a user equipment (ue) according to the frame format or the grant during the frame.. ... Qualcomm Incorporated

05/17/18 / #20180139616

Techniques for selectively adjusting wireless communication parameters based on aggregated interference from listen-before-talk wireless devices

One method includes identifying a listen-before-talk (lbt) silencing criterion between each pair of wireless devices in a plurality of wireless devices; dividing the plurality of wireless devices into a plurality of independent sets based at least in part on the identified lbt silencing criterions; determining, for a location, an aggregated interference value for each independent set; determining an aggregated interference value for the location based at least in part on the determined aggregated interference values for each independent set; and selectively adjusting a wireless communication parameter of at least one of the wireless devices to alter the aggregated interference value for the location.. . ... Qualcomm Incorporated

05/17/18 / #20180139585

Multi-modem scheduler for multimedia streams

Systems, methods, and devices of the various embodiments provide a multipath communication scheduler for an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, a centralized scheduler for an in-vehicle computing device may assign packets for transport to a plurality of modems based at least in part on delivery delays associated with the plurality of modems. ... Qualcomm Incorporated

05/17/18 / #20180139329

Techniques for transferring a call regardless of call state for user equipment sharing a mobile device number

A method, an apparatus, and a computer program product for wireless communication are provided. A first user equipment (ue) may determine that the first ue is to transfer a call from the first ue to a second ue, wherein the first ue and the second ue share a mobile device number (mdn). ... Qualcomm Incorporated

05/17/18 / #20180139275

Neighbor aware network operation for network onboarding and configuration

Aspects of the present disclosure provide techniques for allowing devices in a first type of network to communicate with devices in a second type of network.. . ... Qualcomm Incorporated

05/17/18 / #20180139140

Distributed leaky bucket based multi-modem scheduler for multimedia streams

Systems, methods, and devices of the various embodiments provide a multipath communication scheduler for an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, a distributed leaky bucket based scheduler for an in-vehicle computing device may assign packets for transport to a plurality of modems based at least in part on the determined delivery delays. ... Qualcomm Incorporated

05/17/18 / #20180139137

Arranging media access control protocol data units in a wireless transmission

A method for arranging media access control protocol data units (mpdus) includes generating a multi-destination aggregated media access control protocol data unit (md-ampdu) at an access point. The md-ampdu includes a first set of one or more mpdus having a first receive address associated with a first station and a second set of one or more mpdus having a second receive address associated with a second station. ... Qualcomm Incorporated

05/17/18 / #20180139083

Configuration for data and reference signal transmissions with shortened transmission time intervals

Techniques provide for identifying uplink resources that are to be used for uplink transmissions using shortened transmission time intervals (sttis), such as low latency or high reliability transmissions. A reference signal (rs) configuration for a three-symbol stti, including locations of one or more rs symbols and one or more data symbols within the stti may be identified. ... Qualcomm Incorporated

05/17/18 / #20180139082

Cyclic prefix management in new radio

Aspects of the disclosure relate to wireless communication systems configured to provide techniques for managing the cyclic prefix (cp) type of a transmission as a function of one or more parameters, such as the transmission type (e.g., the type of channel or signal), the resources utilized for the transmission, or the tone spacing of the transmission. In some examples, at least a portion of the downlink and/or uplink control channels or signals utilize a cp having one duration, while other control channels or signals and/or traffic channels may utilize either the same cp or a different cp having a different duration. ... Qualcomm Incorporated

05/17/18 / #20180139078

Systems and methods to provide upconverting with notch filtering

A system includes: a baseband phase generator configured to receive differential in-phase (i) and quadrature (q) signals and configured to output n phase-shifted baseband signals, wherein n is greater than 4, further wherein the baseband phase generator comprises a plurality of notch filters configured to receive the i and q signals; and an upconverter configured to receive the phase-shifted baseband signals, to perform mixing on the phase-shifted baseband signals, and to output a differential upconverted signal.. . ... Qualcomm Incorporated

05/17/18 / #20180139036

Synchronization signal transmission techniques for peak-to-average power ratio reduction

Methods, systems, and devices for wireless communication are described. Synchronization signals may be transmitted using a set of phase offsets over different component carriers or using a single component carrier for each antenna port. ... Qualcomm Incorporated

05/17/18 / #20180139025

Large cell support for narrowband random access

Aspects of the present disclosure provide techniques and apparatus for performing narrowband physical random access channel (prach) procedures in large cells. For example, aspects of the present disclosure provide techniques for narrowband prach procedures (e.g., narrowband internet of things (nb-iot)) to accommodate larger rtts (e.g., up to 100 km). ... Qualcomm Incorporated

05/17/18 / #20180139023

Search space associated with physical downlink control channel based on channel quality indicators

A first apparatus may send, to a base station, a set of channel quality indicators associated with a set of channels. The first apparatus may monitor sets of control channel elements in a search space based on the set of channel quality indicators sent to the base station. ... Qualcomm Incorporated

05/17/18 / #20180139018

Network discovery and synchronization for nr-ss

Network discovery and synchronization for new radio (nr) shared spectrum (nr-ss) is discussed for a wireless network having a super frame configuration on a shared spectrum shared between a plurality of network operators. A base station may obtain a discovery preamble from a plurality of network entities within the wireless network, wherein each of the plurality of network entities belongs to one or more of the plurality of network operators and shares the super frame configuration. ... Qualcomm Incorporated

05/17/18 / #20180139012

Hybrid automatic repeat request management for low latency communications

The present disclosure may enable a buffer to accommodate harq processes for transmissions with different ttis when the ue is configured for legacy communications and ull communications. The apparatus may allocate a first number of harq ids to a first portion of a buffer, the first number of harq ids being associated with a first transmission tti harq process. ... Qualcomm Incorporated

05/17/18 / #20180138962

System and method for beam adjustment request

One apparatus may determine a first set of parameters associated with a first rach procedure, the first set of parameters being associated with beam failure recovery for a first ue in a cell. The apparatus may send the first set of parameters to the first ue. ... Qualcomm Incorporated

05/17/18 / #20180138934

Glitch free phase selection multiplexer enabling fractional feedback ratios in phase locked loops

In some aspects, a method for phase multiplexing includes receiving a plurality of phases, selecting one of the plurality of phases based on a select signal using a multiplexer, and outputting the selected one of the plurality of phases at an output of the multiplexer. The method also includes gating the output of the multiplexer during a glitch at the output of the multiplexer.. ... Qualcomm Incorporated

05/17/18 / #20180138822

Self-powered clock input buffer

A method and system for self-powering a clock input buffer is disclosed. The system includes an input node adapted to receive an alternating current (ac) signal having an instantaneous voltage oscillating between a minimum voltage and a maximum voltage. ... Qualcomm Incorporated

05/17/18 / #20180138735

Battery charger power control

Certain aspects of the present disclosure relate to methods and apparatus for limiting the power drawn by a battery charger based on monitoring of the input voltage and input current supplied to the battery charger from a power supply. In certain aspects, a method generally includes sensing an output voltage of the power supply, wherein the output voltage of the power supply is variable. ... Qualcomm Incorporated

05/17/18 / #20180137972

Coil topologies for inductive power transfer

This disclosure provides systems, methods and apparatus including a magnetic flux device configured to transmit or receive magnetic flux to or from a space beyond the magnetic flux device. In certain configurations, the magnetic flux device can include a first coil with a first layer and second layer, a second coil with a third layer and fourth layer, and a magnetically permeable material with the first coil extending over a first edge of the magnetically permeable material and the second coil extending over a second edge of the magnetically permeable material. ... Qualcomm Incorporated

05/17/18 / #20180137929

Wear sensor and method of operation for a memory device

A device includes a first set of storage elements, a second set of storage elements, and a bias circuit configured to generate a test bias signal to bias the first set of storage elements and the second set of storage elements. The device further includes a sensor circuit configured to receive a first signal from at least a first storage element of the first set of storage elements in response to the test bias signal and to receive a second signal from at least a second storage element of the second set of storage elements in response to the test bias signal. ... Qualcomm Incorporated

05/17/18 / #20180137896

Hardware automated link control of daisy-chained storage device

In conventional systems with a plurality of ufs devices daisy-chained to a ufs host, a ufs device driver must be able to differentiate among the links, and send either link control messages or data/management (d/m) messages to a ufs host controller. This can make force the ufs device driver to be complicated and error prone. ... Qualcomm Incorporated

05/17/18 / #20180137644

Methods and systems of performing object pose estimation

Techniques are provided for estimating a three-dimensional pose of an object. An image including the object can be obtained, and a plurality of two-dimensional (2d) projections of a three-dimensional bounding (3d) box of the object in the image can be determined. ... Qualcomm Incorporated

05/17/18 / #20180137360

Unified embedding with metric learning for zero-exemplar event detection

A method, a computer-readable medium, and an apparatus for zero-exemplar event detection are provided. The apparatus may receive a plurality of text blocks, each of which may describe one of a plurality of pre-defined events. ... Qualcomm Incorporated

05/17/18 / #20180137050

Low power memory sub-system using variable length column command

Systems and method are directed to reducing power consumption and/or improving performance of a processing system comprising a processor subsystem and a memory subsystem. A variable length column command is used in place of a plurality of column commands directed to a same page of a memory bank of the memory subsystem. ... Qualcomm Incorporated

05/17/18 / #20180136967

Method and apparatus for establishing system-on-chip (soc) security through memory management unit (mmu) virtualization

In an aspect, an apparatus that includes a first security domain and at least a second security domain obtains, at a virtual machine of the first security domain, a stream identifier associated with the second security domain. The apparatus generates, at the virtual machine of the first security domain, a command to map the stream identifier associated with the second security domain to a first address translation context. ... Qualcomm Incorporated

05/17/18 / #20180136680

Headroom control in regulator systems

A voltage regulator control implementation dynamically detects and sets specified headroom for a low dropout (ldo) regulator at different loads to enable the ldo regulator to maintain high performance in conjunction with improved power efficiency. In one instance, an upstream voltage regulator may adaptively adjust an output voltage supplied to an input supply rail of a downstream ldo regulator based on an indication from the ldo regulator. ... Qualcomm Incorporated

05/17/18 / #20180136669

Vehicle collision avoidance

Embodiments include devices and methods for vehicle collision avoidance. A processor of the vehicle may receive sensor data comprising one or more points. ... Qualcomm Incorporated

05/17/18 / #20180136005

Systems and methods for trip planning

A method performed by an electronic device is described. The method includes obtaining one or more trip objectives. ... Qualcomm Incorporated

05/10/18 / #20180132293

Method, apparatus, and system for reestablishing radio communication links due to radio link failure

One feature pertains to a method that includes establishing a radio communication connection with a first radio access node (ran) that uses control plane signaling connections to carry user plane data. The method also includes determining that the wireless communication device is experiencing radio link failure (rlf) with the first ran and that the radio communication connection should be reestablished with a second ran. ... Qualcomm Incorporated

05/10/18 / #20180132292

Wakeup techniques for improved connected mode discontinuous reception

Techniques are described for wireless communication. A base station may indicate to a ue, in a pre-wakeup period, whether the base station will transmit a grant to the ue. ... Qualcomm Incorporated

05/10/18 / #20180132289

Systems and methods for improving support for data-oriented services in a multi-subscriber identity module (sim) wireless communication device having a designated data subscription (dds)

A multi-subscriber identification module (msim) wireless communication device may have at least a first sim and a second sim associated with a shared radio frequency (rf) resource. The wireless communication device may detect that the first sim is set as a designated data subscription (dds), such that a modem stack associated with the first sim receives information broadcast by a first network. ... Qualcomm Incorporated

05/10/18 / #20180132282

Radio (nr) random access procedure (rach) timing designs

A configurable new radio (nr) rach procedure that may be executed by a ue and a base station is disclosed. A first message can be transmitted, in an inactive or idle state, a on a physical random access channel, where the first message includes a random access preamble. ... Qualcomm Incorporated

05/10/18 / #20180132275

Payload-less physical uplink measurement indication channel (pumich) design for uplink based mobility

Certain aspects of the present disclosure provide techniques for payload-less physical uplink measurement indication channel (pumich) design for uplink based mobility. According to certain aspects, a method of wireless communication by a base station (bs) is provided. ... Qualcomm Incorporated

05/10/18 / #20180132272

Efficient blind decoding of a search space

Methods, systems, and devices for wireless communication are described for efficient blind decoding of a search space. A single dci message may be divided and encoded into multiple element downlink control information (edci) components. ... Qualcomm Incorporated

05/10/18 / #20180132270

Network configured uplink control feedback for 5g new radio (nr)

Some aspects of the disclosure provide for wireless communication systems in which scheduling information is transmitted to a scheduled entity to schedule transmission of uplink feedback control information by the scheduled entity. The feedback control information may be transmitted in short uplink control bursts or long uplink bursts. ... Qualcomm Incorporated

05/10/18 / #20180132269

System and method for mapping uplink control information

A user equipment (ue) may map a demodulation reference signal (dmrs) sequence to a first symbol in a set of resource blocks (rbs) of an uplink long burst, and the first symbol may occur at the beginning of the uplink long burst. The dmrs sequence may be “front-loaded” in the uplink long burst. ... Qualcomm Incorporated

05/10/18 / #20180132261

Interference management with coloring concept

Interference management with a coloring concept is discussed. A target transmitter may obtain a first priority schedule for a transmission opportunity of the target transmitter, wherein the first priority schedule identifies transmission priority for a plurality of base station groups. ... Qualcomm Incorporated

05/10/18 / #20180132252

Indicating a range of beam correspondence in a wireless node

Techniques are described for wireless communication. One method includes exchanging one or more signals between a first wireless node and a second wireless node and determining, at the first wireless node and based at least in part on the one or more signals, a range of correspondence between at least one of a transmit beam of the first wireless node and a receive beam of the first wireless node.. ... Qualcomm Incorporated

05/10/18 / #20180132245

Power control, reporting techniques, and control channel configuration in unlicensed spectrum and licensed assisted access

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may apply transmission power commands and transmit uplink control information based on a received two-stage grant. ... Qualcomm Incorporated

05/10/18 / #20180132244

Techniques and apparatuses for configuring a common uplink portion in new radio

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may receive a configuration indication for a common uplink portion of a wireless communication structure. ... Qualcomm Incorporated

05/10/18 / #20180132243

Search space design and use

Methods, systems, and devices for wireless communication are described. A network access device may select a search space configuration for transmission of group(s) of one or more control channel elements (cces) to convey a downlink control information (dci) message. ... Qualcomm Incorporated

05/10/18 / #20180132237

Ultra-reliable low-latency communication mini-slot control

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may identify control signaling information for a mini-slot to be used for an ultra-reliable low-latency communication (urllc) transmission within an enhanced mobile broadband (embb) slot. ... Qualcomm Incorporated

05/10/18 / #20180132236

Solving deafness in directional clear channel assessment (cca)

Wireless communications systems and methods related to solving deafness problems in directional clear channel assessment (cca) procedures. A first wireless communication device transmits, to a second wireless communication device in a first beam direction, a first channel reservation for receiving a data burst. ... Qualcomm Incorporated

05/10/18 / #20180132235

Latency reduction in shared or unlicensed spectrum

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may transmit uplink (ul) messages in unlicensed spectrum with a reduced ul timing delay. ... Qualcomm Incorporated

05/10/18 / #20180132223

Techniques for configuring reference signal patterns in wireless communications

An apparatus and method of wireless communications includes transmitting, by a user equipment (ue), a mid-amble position indication and/or a ue capability information, wherein at least one of the mid-amble position indication or the ue capability information facilitate identification of a mid-amble position within a slot. Additionally, the aspects include receiving, by the ue, a transmission including a transmitted slot having a preamble and a mid-amble, wherein the mid-amble is at the mid-amble position within the slot as determined based at least in part on the at least one of the mid-amble position indication or the ue capability information. ... Qualcomm Incorporated

05/10/18 / #20180132212

Search space design for semi-persistent scheduling (sps) in enhanced machine-type communications

Certain aspects of the present disclosure generally relate to techniques for detecting downlink control information (dci). In some cases, by making two different dcis (e.g., used for different types of transmission schemes-one that supports sps and one that does not support sps) the same size, complexity at the ue (in terms of number of blind decodes) may be reduced. ... Qualcomm Incorporated

05/10/18 / #20180132210

Power control and triggering of sounding reference signal on multiple component carriers

Various devices, methods, and processes are provided for handling conflicting and/or redundant power control and triggering information for transmitting reference signal(s) such as sounding reference signal (srs) using carrier aggregation (ca). A user equipment (ue) receives a first downlink control information (dci) and a second dci including srs control information that is in conflict with that of the first dci, for controlling srs transmission on a component carrier (cc). ... Qualcomm Incorporated

05/10/18 / #20180132207

Evolved multimedia broadcast multicast service on enhanced component carriers

Methods, systems, and devices are described for evolved multimedia broadcast multicast service (embms) utilizing enhanced component carriers (eccs). A wireless system may send unicast data using resources allocated for multicast transmissions (e.g., embms transmissions). ... Qualcomm Incorporated

05/10/18 / #20180132200

Techniques and apparatuses for synchronization, scheduling, bandwidth allocation, and reference signal transmission in a 5th generation network

As wireless communication technology advances, the bandwidth usage of wireless communications systems becomes increasingly flexible. For example, different user equipment (ues) may support different bandwidths or radio frequency capabilities. ... Qualcomm Incorporated

05/10/18 / #20180132198

Techniques and apparatuses for frequency division multiplexing (fdm) based medium access on shared spectrum

A network operator may synchronize access for wireless nodes (e.g., base stations) associated with the network operator. However, each network operator of a group of network operators may not synchronize access among the group. ... Qualcomm Incorporated

05/10/18 / #20180132193

Indexing cellular v2x coverage range to vehicle speed

In vehicle-to-vehicle (v2v) or vehicle-to-everything (v2x) communication, the vehicle may wirelessly transmit a signal. However, transmission of a signal using a fixed transmit power may not be desirable. ... Qualcomm Incorporated

05/10/18 / #20180132189

Techniques for adjusting transmit power in wireless communications

Various aspects described herein relate to controlling transmit power in wireless communications. It can be determined, at a user equipment (ue), that communications with a base station are configured over a connection associated with a threshold reliability. ... Qualcomm Incorporated

05/10/18 / #20180132186

Activity scheduling in connected discontinuous reception (cdrx) cycles for a multi-subscriber identity module (sim) wireless communication device

Various embodiments described herein relate to a wireless communication device having a first subscriber identity module (sim) associated with a first subscription and a second sim associated with a second subscription to manage communications over the first subscription and the second subscription. Some embodiments relate to identifying at least one sleep period of one or more connected discontinuous reception (cdrx) cycles associated with the first subscription. ... Qualcomm Incorporated

05/10/18 / #20180132176

Media access control for wakeup radios

Methods, systems, and devices for wireless communication are described. An access point (ap) may identify a jitter pattern for a wakeup message. ... Qualcomm Incorporated

05/10/18 / #20180132146

Single cell point-to-multicast service continuity using lte + lte

A method for single cell point-to-multicast service continuity on a multi-subscriber identity module (sim) mobile communication device includes: receiving single cell point-to-multicast (sc-ptm) data from a first cell on a first subscription; activating a second subscription; receiving the sc-ptm data from the first cell on the second subscription; performing a handover or reselection from the first cell to a second cell on the first subscription; receiving the sc-ptm data from the second cell on the first subscription; and deactivating the second subscription.. . ... Qualcomm Incorporated

05/10/18 / #20180132140

Techniques for reservation preamble for prioritized medium contention in a new radio shared spectrum communication system

Methods and apparatuses for wireless communications are described. The aspects relate to a frame structure for new radio shared spectrum. ... Qualcomm Incorporated

05/10/18 / #20180132114

Beam refinement reference signal transmissions during control symbol

Techniques are described herein to transmit beam refinement reference signals and control information in a control symbol. The beam refinement reference signals may occupy frequency resources different from those occupied by the control information. ... Qualcomm Incorporated

05/10/18 / #20180132112

Channel assignment in shared spectrum based on network coverage overlap and network weights

Aspects of the present disclosure relate to methods and apparatus for assigning channels to networks in a group based on network coverage overlap and network weights. An example method generally includes determining whether channels are available for allocation at each network represented by a node in a network overlap graph, wherein each node in the graph is associated with an assigned channel in a shared spectrum, and for each network in the graph for which channels are available for allocation, identifying channels that are available for allocation to the network, and assigning at least one of the available channels to the network based, at least in part, on a weighting associated with the network.. ... Qualcomm Incorporated

05/10/18 / #20180132061

Enhancing positioning assistance data via a mobile device-specific carrier aggregation capability

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for enhancing positioning assistance data via a mobile device-specific carrier aggregation capability, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

05/10/18 / #20180131862

Optimized phase detection autofocus (pdaf) processing

Systems, methods, and devices for optimizing phase detection autofocus (pdaf) processing are provided. One aspect provides an apparatus comprising: an image sensor configured to capture image data of a scene; a buffer; and a processor. ... Qualcomm Incorporated

05/10/18 / #20180131711

Protecting computing devices from malicious activity

Embodiments provide methods of protecting computing devices from malicious activity. A processor of a networking device may monitor network traffic flows of network computing devices and identify applications that are a source of the first network traffic flow. ... Qualcomm Incorporated

05/10/18 / #20180131705

Visibility of non-benign network traffic

Embodiments provide methods of protecting computing devices from malicious activity. A processor of a network device may receive a first network traffic flow of a monitoring computing device and a malicious activity tag identifying a malicious behavior of the first network traffic flow. ... Qualcomm Incorporated

05/10/18 / #20180131640

Techniques for encoding and decoding multiple acknowledgement signals in new radio

A method and apparatus for encoding and decoding multiple acknowledgements (acks) during wireless communications are described. In one example, the method and apparatus include receiving multiple acks in a queue, the multiple acks being scheduled for transmission on a communication channel. ... Qualcomm Incorporated

05/10/18 / #20180131624

Managing network traffic

Embodiments provide methods of managing network traffic flows. A processor of a network device may receive a first network traffic flow of a monitoring computing device and information identifying a source application of the first network traffic flow. ... Qualcomm Incorporated

05/10/18 / #20180131587

Page monitoring enablement and disablement

Example methods, apparatuses, and computer-readable mediums for wireless communication are provided. In one example, an apparatus may be configured to determine a first interval between a first page transmission time and a second page transmission time. ... Qualcomm Incorporated

05/10/18 / #20180131547

Prach design for larger cell radius

Certain aspects of the present disclosure provide techniques for improving a physical random access channel (prach) design, for example, to support larger cell radius for communications in a wireless network. In aspects, a method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

05/10/18 / #20180131540

Estimating timing and angle information of wireless signals

This disclosure provides systems, methods and apparatuses for estimating angular information of a received wireless signal. In some implementations, a receiving device may receive a wireless signal from a transmitting device, and estimate channel conditions, based on a number of sounding sequences, to determine a channel frequency response of the received wireless signal. ... Qualcomm Incorporated

05/10/18 / #20180131503

C-phy half-rate clock and data recovery adaptive edge tracking

Methods, apparatus, and systems for data communication over a multi-wire, multi-phase interface are disclosed. A method for calibrating a clock recovery circuit includes recovering a first clock signal from transitions between pairs of symbols representative of successive signaling states of a 3-wire interface, where each pair of symbols includes a first symbol and a second symbol, generating a second clock signal by delaying the first clock signal by a first delay value, generating a third clock signal by delaying the second clock signal, calibrating the second clock signal and the third clock signal by initializing the first delay value such that the first sampling circuit, the second sampling circuit and the third sampling circuit capture the same symbol in a first pair of symbols, and incrementally increasing the first delay value until the second sampling circuit and the third sampling circuit capture different symbols from each pair of symbols.. ... Qualcomm Incorporated

05/10/18 / #20180131499

Radio-spectrum sharing (nr-ss) in frequency-division duplexing (fdd) spectrum

Wireless communications systems and methods related to sharing a frequency-division duplexing (fdd) spectrum among multiple network operating entities. In one embodiment, a first wireless communication device communicates, with a second wireless communication device in a downlink (dl) frequency band, a reservation signal in a first channel sensing time slot of a frame to reserve a transmission time slot in the frame. ... Qualcomm Incorporated

05/10/18 / #20180131498

Reference signal pattern and pilot sharing for shortened transmission time interval wireless communications

Methods, systems, and devices for wireless communication are described that provide for identifying uplink transmissions that are to be made using shortened transmission time intervals (sttis), and allocating uplink resources for such transmissions. A portion of the uplink resources may be reserved for reference signal transmissions, such as demodulation reference signal (dmrs) transmissions. ... Qualcomm Incorporated

05/10/18 / #20180131493

Sequence generation for systems supporting mixed numerologies

Networks that support 5g communication may support different numerologies across and even within a symbol, slot, or subframe. Sequences, such as reference signals or data scrambled with a scrambling code, may be transmitted on resources with such mixed numerologies. ... Qualcomm Incorporated

05/10/18 / #20180131492

Signaling beamforming relationships between control and data channels

Certain aspects of the present disclosure provide techniques for signaling information regarding beams used for data and control transmissions to a receiving entity.. . ... Qualcomm Incorporated

05/10/18 / #20180131490

Dynamic reference signal configuration for shortened transmission time interval wireless communications

Described techniques provide for identifying uplink transmissions that are to be made using shortened transmission time intervals (sttis), and allocating uplink resources for such transmissions. Based at least in part on the allocated uplink resources and the information to be transmitted, a reference signal configuration may be identified. ... Qualcomm Incorporated

05/10/18 / #20180131489

Dedicated reference signal for physical broadcast channel

A method and apparatus for utilizing a dedicated reference signal for demodulating a physical broadcast channel (pbch) in a wireless communication system is disclosed. For example, the method and apparatus include configuring, at a network entity, at least one dedicated demodulation reference signal (dmrs) in one or more symbols corresponding to a pbch, each dedicated dmrs being used for demodulating the pbch. ... Qualcomm Incorporated

05/10/18 / #20180131487

Decoupling of synchronization raster and channel raster

A method and apparatus for decoupling of a synchronization (“sync”) channel raster and a channel raster in a wireless communication system is disclosed. For example, the method and apparatus include determining, at a network entity, a synchronization channel raster corresponding to a set of frequencies, and transmitting, from the network entity, one or more synchronization signals and a physical broadcast channel (pbch) in any frequency of the set of frequencies of the synchronization channel raster to at least one ue. ... Qualcomm Incorporated

05/10/18 / #20180131485

Demodulation reference signal with low peak-to-average power ratio and allocation information with granularity

A first apparatus may determine a demodulation reference signal (dmrs) sequence based on a mother sequence, map the dmrs sequence to at least a first symbol of a set of resource blocks (rbs) in a transmission, and send a dmrs including the mapped dmrs sequence in the at least one symbol of the set of rbs. A second apparatus may receive information associated with resource allocation, determine a granularity based on the information associated with resource allocation, determine resource allocation based at least in part on the granularity, and receive a signal carried on resources corresponding to the resource allocation.. ... Qualcomm Incorporated

05/10/18 / #20180131483

Frequency hopping for multicast service transmissions for narrowband devices

Various features related to frequency hopping for broadcast/multicast transmissions for narrow band devices are described. To exploit frequency diversity, multicast transmissions may be frequency hopped. ... Qualcomm Incorporated

05/10/18 / #20180131479

Efficient handling of control subbands in multiple component carrier configurations

Efficient handling of control subbands in multiple component carrier (cc) configurations is discussed. A user equipment (ue) may begin monitoring one narrowband control subband within a wider band cc. ... Qualcomm Incorporated

05/10/18 / #20180131467

On-demand time-interleaving

Methods, systems, and devices for wireless communication between a first wireless device and a second wireless device are described. A second wireless device may determine that a channel condition satisfies at least one channel condition threshold. ... Qualcomm Incorporated

05/10/18 / #20180131434

Beam management for various levels of beam correspondence

Techniques are described for wireless communication. One method includes performing a first beam sweep procedure to determine a first beam pair that includes a transmit beam of a first wireless node and a receive beam of a second wireless node, identifying a level of correspondence at one or both of the first wireless node and the second wireless node, the level of correspondence being between a transmit beam and a receive beam of a respective wireless node and determining, based on the level of correspondence, a range of a second beam sweep procedure to be performed in determining a second beam pair that includes a transmit beam of the second wireless node and a receive beam of the first wireless node.. ... Qualcomm Incorporated

05/10/18 / #20180131418

Uplink mimo design

Aspects of the disclosure relate to multiple-input multiple-output (mimo) signals, and the determination of a precoding matrix for configuring the mimo signals. An uplink traffic channel may be configured utilizing orthogonal frequency division multiplexing (ofdm) waveform. ... Qualcomm Incorporated

05/10/18 / #20180131397

Adaptive analog interference cancelling system and method for rf receivers

A method of and system for processing a received signal is disclosed. The method includes generating a corrected radio frequency (rf) signal based on an rf feedback signal and an incoming rf signal, the incoming rf signal includes a wanted signal and an interfering signal. ... Qualcomm Incorporated

05/10/18 / #20180131391

Efficient list decoding of ldpc codes

Certain aspects of the present disclosure generally relate to methods and apparatus for decoding low density parity check (ldpc) codes, and more particularly to an efficient list decoder for list decoding low density parity check (ldpc) codes.. . ... Qualcomm Incorporated

05/10/18 / #20180131356

Fast settling peak detector

The present disclosure describes aspects of a fast settling peak detector. In some aspects, a peak detector circuit includes a first transistor having a gate coupled to an input of the circuit at which a signal is received and a drain coupled to a source of a second transistor. ... Qualcomm Incorporated

05/10/18 / #20180131336

Loop compensation using differential difference amplifier for negative feedback circuits

A loop compensation circuit includes a differential difference amplifier having a first transconductance stage with a first input terminal and a second input terminal. The first input terminal is coupled to a voltage reference and the second input terminal is coupled to a feedback node. ... Qualcomm Incorporated

05/10/18 / #20180131333

Systems and methods providing loadline modulation of a power amplifier

A circuit including: a power amplifier configured to provide amplified signals to a load; an impedance matching network disposed between the power amplifier and the load, the impedance matching network comprising an adjustable impedance unit; and a feedback loop comprising a rectifier, the rectifier being coupled with an output of the power amplifier, the feedback loop further comprising and impedance control circuit configured to receive a signal from the rectifier and to control the adjustable impedance unit in response to the signal from the rectifier.. . ... Qualcomm Incorporated

05/10/18 / #20180131218

Wirless power transfer for a wireless power receiver with a dead battery

Certain aspects of the present disclosure generally relate to methods and apparatus for wirelessly charging a device having a wireless power receiver with a dead battery. One example method for safely wirelessly charging an implantable device, with an apparatus, generally includes determining that the implantable device has a dead battery; based on the determination, wirelessly transmitting power from the apparatus at an initial level for a first interval; checking for a first signal received from the implantable device during or at an end of the first interval or a period associated with the initial level; and if no first signal is received from the implantable device, increasing the transmitted power to a higher level for a second interval.. ... Qualcomm Incorporated

05/10/18 / #20180130446

Selective reduction of blue light in a display frame

In an embodiment, a user equipment (ue) coupled to a display screen enters into a reduced blue light (rbl) mode. The ue determines, while operating in accordance with the rbl mode, a degree of blue light reduction in at least a portion of a display frame to be output on the display screen using at least one rbl rule from a set of rbl rules that is based upon one or more of (i) application-specific information of an application that is contributing image data to the portion of the display frame, and (ii) content-specific information that characterizes the image data in the portion of the display frame. ... Qualcomm Incorporated

05/10/18 / #20180129934

Enhanced siamese trackers

In one configuration, a visual object tracking apparatus is provided that receives a position of an object in a first frame of a video, and determines a current position of the object in subsequent frames of the video using a siamese neural network to facilitate determining the current position of the object, the apparatus may adjust a spatial resolution of an image, adjust a size of a probe region, and/or adjust a scale of a plurality of sampled images. In one configuration, a visual object tracking using a siamese neural network is provided. ... Qualcomm Incorporated

05/10/18 / #20180129906

Deep cross-correlation learning for object tracking

An artificial neural network for learning to track a target across a sequence of frames includes a representation network configured to extract a target region representation from a first frame and a search region representation from a subsequent frame. The artificial neural network also includes a cross-correlation layer configured to convolve the extracted target region representation with the extracted search region representation to determine a cross-correlation map. ... Qualcomm Incorporated

05/10/18 / #20180129868

System and method associated with object verification

An apparatus includes a processor and a memory. The processor is configured to execute instructions stored at the memory to receive first characterization data and second characterization data. ... Qualcomm Incorporated

05/10/18 / #20180129849

Ultrasonic biometric system with harmonic detection

A system may include a fingerprint sensor system and a control system. The system may be configured to transmit an ultrasonic wave including a first frequency. ... Qualcomm Incorporated

05/10/18 / #20180129828

Exclusive execution environment within a system-on-a-chip computing system

Exemplary features pertain to establishing an exclusive execution environment domain that trusted execution zone components are forbidden to access. In one example, a system-on-a-chip (soc) is equipped with a reduced instruction set computing (risc) processor along with an application dsp (adsp) and/or graphics processing unit (gpu), where the adsp and/or gpu is configured to provide and enforce the exclusive execution environment domain. ... Qualcomm Incorporated

05/10/18 / #20180129826

Techniques for leveraging multiple cryptographic algorithms for authenticating data

Techniques for authenticating data on a computing device are provided. An example method according to these techniques includes generating a first cryptographic output by applying a first cryptographic algorithm to each block of a first subset of the plurality of blocks of data to be authenticated, combining a last block of the first cryptographic output with a second subset of the plurality of blocks of data to generate an intermediate result, and generating an authentication output by applying a second cryptographic algorithm to the intermediate result, the second cryptographic algorithm being different than the first cryptographic algorithm.. ... Qualcomm Incorporated

05/10/18 / #20180129742

Natural language object tracking

A method of tracking an object across a sequence of video frames using a natural language query includes receiving the natural language query and identifying an initial target in an initial frame of the sequence of video frames based on the natural language query. The method also includes adjusting the natural language query, for a subsequent frame, based on content of the subsequent frame and/or a likelihood of a semantic property of the initial target appearing in the subsequent frame. ... Qualcomm Incorporated

05/10/18 / #20180129657

Associating a captured screenshot with application-specific metadata that defines a session state of an application contributing image data to the captured screenshot

In an embodiment, a ue detects a request to capture a screenshot of image data being output on a display screen, obtains application-specific metadata that is configured to facilitate recreation of characteristics of a session state of an application that is contributing at least a portion of the image data being output on the display screen when the request is detected. The ue selectively captures the screenshot of the image data being output on the display screen in response to the request, and stores the obtained application-specific metadata. ... Qualcomm Incorporated

05/10/18 / #20180129623

Link role determination in a dual-mode peripheral component interconnect express (pcie) device

Link role determination in a dual-mode peripheral component interconnect express (pcie) device is disclosed. In this regard, determining a link role for a dual-mode pcie device involves configuring the dual-mode pcie device to operate in a root complex (rc) mode or an endpoint mode. ... Qualcomm Incorporated

05/10/18 / #20180129490

Object ordering preservation during lto link stage

A method for enforcing an original order of global symbols during link-time optimization of software code in the presence of a linker script. The method may comprise scanning the original order of global and local symbols in an input file and then recording the original order as a map structure. ... Qualcomm Incorporated

05/10/18 / #20180129350

Equalizer for touchscreen signal processing

Systems and techniques are presented for detecting touch inputs on a touch screen with improved accuracy. Raw sensor readings are received from a plurality of proximity sensors that detect an external object to the touch screen. ... Qualcomm Incorporated

05/10/18 / #20180129267

Memory interface with adjustable voltage and termination and methods of use

A memory interface includes: a pull-up device and a pull-down device, wherein the pull-up device couples between a power rail and a data line, and wherein the pull-down device couples between the data line and ground; and a power supply configured to supply a first power supply voltage to the power rail during a terminated data transmission mode in which a receiving memory interface coupled to the data line has an active on-die termination, and wherein the power supply is further configured to supply a second power supply voltage to the power rail during an unterminated data transmission mode in which the on-die termination does not load the data line, the second power supply voltage being less than the first power supply voltage.. . ... Qualcomm Incorporated

05/10/18 / #20180129256

Apparatus and method for transmitting data signal based on different supply voltages

A transmit driver is configured to operate under distinct supply voltage provided at output differential terminals. The transmit driver includes differential input transistors, first and second pairs of over-voltage protection differential transistors, and a current source coupled in series between the output terminals and a lower voltage rail. ... Qualcomm Incorporated

05/10/18 / #20180129234

Configurable charge controller

A configurable charge converter may include an adaptive low-dropout regulator. The adaptive low-dropout regulator may include a headroom detection circuit and a power supply controller. ... Qualcomm Incorporated

05/10/18 / #20180129202

System and method of depth sensor activation

An apparatus includes a first sensor configured to generate first sensor data. The first sensor data is related to an occupant of a vehicle. ... Qualcomm Incorporated

05/03/18 / #20180124866

Techniques for high efficiency basic service set operation

Aspects of the present disclosure provide techniques for high efficiency (he) basic service set (bss) operations. In an implementation, a wireless station (sta) can identify a set including one or more modulation coding scheme (mcs) and number of spatial streams (nss) tuples for he communications in wireless local area networks (wlans). ... Qualcomm Incorporated

05/03/18 / #20180124865

Techniques for securing pdcp control pdu

Techniques are described herein to secure a packet data convergence protocol (pdcp) control protocol data unit (pdu). A base station may determine a security configuration for a pdcp control pdu based on various factors including the content of the pdcp control pdu. ... Qualcomm Incorporated

05/03/18 / #20180124822

Two step random access procedure

Wireless communication devices are adapted to facilitate a random access procedure. According to one example, scheduled entity can transmit a first transmission that is received by a scheduling entity. ... Qualcomm Incorporated

05/03/18 / #20180124821

Efficient signaling over access channel

An apparatus and method for transmitting an indicator of channel quality while minimizing the use of a broadcast channel is described. A metric of forward link geometry of observed transmission signals is determined. ... Qualcomm Incorporated

05/03/18 / #20180124820

Beam refinement reference signal enhancement for higher mobility support

Methods, systems, and devices for wireless communication are described. A base station may transmit, using a first base station beam, a first message to a user equipment (ue). ... Qualcomm Incorporated

05/03/18 / #20180124813

Interference mitigation on grant-based and grant-less traffic multiplexing in wireless communication

Aspects of the present disclosure provide for various methods and apparatuses for mitigating intra-cell interference when multiplexing grant-less traffic and grant-based traffic. When a wireless device transmits data without first requesting a grant of certain network resources from a base station, such data transmission may be called grant-less traffic in this disclosure. ... Qualcomm Incorporated

05/03/18 / #20180124792

Coverage contour and interference thresholds for channel assignment

Aspects of the present disclosure relate to methods and apparatus for improving coverage contour and interference thresholds for general authorized access (gaa) channel assignment in a wireless communications environment.. . ... Qualcomm Incorporated

05/03/18 / #20180124790

Coexistence of interleaved and contiguous uplink transmissions

A wireless communication system may allocate uplink resources to configure coexisting interleaved and contiguous uplink transmissions. Operation using different waveform types may address bandwidth occupancy requirements, power spectral density (psd) limitations, etc. ... Qualcomm Incorporated

05/03/18 / #20180124789

Wireless communication between wideband enb and narrowband ue

A method and apparatus for wireless communication in the unlicensed spectrum between an enb and ues having different bandwidths, e.g., between a narrowband ue and a wideband enb. A base station apparatus may perform a dual cca procedure for a frame, wherein the dual cca procedure comprises a first type of cca procedure followed by a second type of cca procedure when the first type of cca procedure is unsuccessful. ... Qualcomm Incorporated

05/03/18 / #20180124784

Power efficient anchor carrier selection in lte advanced

Methods, systems, and devices for wireless communication by a user equipment (ue) are described. A ue may be operating in a downlink carrier (dl) carrier aggregation (ca) mode, which may include a first component carrier and a second carrier component of a set of component carriers. ... Qualcomm Incorporated

05/03/18 / #20180124783

Self-contained time division duplex (tdd) subframe structure

Aspects of the present disclosure provide a subframe structure for time division duplex (tdd) carriers that can be entirely self-contained. That is, information transmitted on a tdd carrier may be grouped into subframes, where each subframe provides communication in both directions (e.g., uplink and downlink) in a suitable fashion to enable such communication without needing any further information in another subframe. ... Qualcomm Incorporated

05/03/18 / #20180124778

Back-to-back uplink transmissions from multiple stations

The present disclosure describes a method and an apparatus for techniques used for back-to-back uplink transmissions from multiple stations in wireless local area networks (wlans). An example method includes transmitting, from the ap, a control frame to the plurality of stas, wherein the control frame contains configuration information related to a plurality of consecutive transmission slots; and receiving, at the ap, back-to-back uplink (ul) response frames from the plurality of stas in the plurality of consecutive transmission slots. ... Qualcomm Incorporated

05/03/18 / #20180124777

Wireless communication between wideband enb and narrowband ue

A method and apparatus for wireless communication in the unlicensed spectrum between an enb and ues having different bandwidths, e.g., between a narrowband ue and a wideband enb. A ue apparatus transmits uplink transmissions in a plurality of transmission units and hops frequency bands in a first pattern across frames based on a base station hopping pattern. ... Qualcomm Incorporated

05/03/18 / #20180124776

Wireless communication between wideband enb and narrowband ue

A method and apparatus for wireless communication in the unlicensed spectrum between an enb and ues having different bandwidths, e.g., between a narrowband ue and a wideband enb. A user equipment apparatus segments an uplink duration in each frame into multiple transmission units for each frequency, wherein a frame comprises an integer number of the transmission units. ... Qualcomm Incorporated

05/03/18 / #20180124770

Wireless communication between wideband enb and narrowband ue

A method and apparatus for wireless communication in the unlicensed spectrum between an enb and ues having different bandwidths, e.g., between a narrowband ue and a wideband enb. A base station apparatus performs an lbt procedure at a beginning of frames and transmits a plurality of repetitions of a transmission. ... Qualcomm Incorporated

05/03/18 / #20180124766

Beam sets for cell and beam mobility

Certain aspects of the present disclosure provide techniques for using beam sets for mobility management. A bs serving the ue may transmit, to the ue, information regarding one or more beam sets, wherein each of the beam sets comprise one or more reference beams used to transmit a reference signal. ... Qualcomm Incorporated

05/03/18 / #20180124765

Transmission of a common control in a beamforming system

Aspects of the present disclosure provide techniques for informing devices of the use of transmit and receive beams in a beamforming communication system. An exemplary method includes determining a plurality of beam directions for a device to use in different transmission time intervals (ttis) of a tti burst, and sending a directional transmission to the device indicating at least one of the beam directions.. ... Qualcomm Incorporated

05/03/18 / #20180124755

Configuration and transmission of a uplink short burst

Various aspects include a method and an apparatus for receiving a uplink (ul) short burst at an enb, by determining, at the enb, one or more tone assignments for one or more channels of the ul short burst, wherein the one or more channels of the ul short burst include a sounding reference signal (srs), a demodulation reference signal (dmrs), a physical uplink control channel (pucch), or a physical uplink shared channel (pusch), transmitting the one or more tone assignments to the ue, and receiving the ul short burst from the ue, wherein the ul short burst is generated at the ue based at least on the one or more tone assignments transmitted from the enb. Methods may include transmitting a uplink (ul) short burst from a user equipment. ... Qualcomm Incorporated

05/03/18 / #20180124754

Dci design for multi-user superposition transmission

Wireless networks support mu-mimo transmission in which a base station transmits multiple spatial layers or spatial streams over a shared downlink resource to multiple ues. However, ues participating in the mu-mimo transmission may need to manage interference associated with spatial streams intended for other users. ... Qualcomm Incorporated

05/03/18 / #20180124753

Downlink control information piggyback in physical downlink shared channel

Aspects of the disclosure relate to wireless communication systems configured to provide piggyback downlink control information within the physical downlink shared channel (pdsch). A first downlink control information portion may be transmitted within the physical downlink control channel (pdcch) and may include information indicating a size of a second downlink control information portion transmitted within the pdsch.. ... Qualcomm Incorporated

05/03/18 / #20180124726

Techniques for signaling and channel design in new radio

Various aspects described herein relate to techniques for signaling and channel design in wireless communications systems (e.g., a 5g nr system). In an aspect, a method includes identifying a direct current (dc) subcarrier of a synchronization bandwidth, determining whether a synchronization signal transmits on, punctures, or rate matches around the dc subcarrier, and performing synchronization channel processing based on the determination.. ... Qualcomm Incorporated

05/03/18 / #20180124716

Systems and methods providing adaptive power tracking

A radio frequency (rf) system including: a modem configured to generate a first set of digital bits and to create an analog rf signal from those digital bits; a power amplifier configured to receive the analog rf signal and to amplify the analog rf signal, the power amplifier including an input for a biasing voltage; a feedback loop configured to sample an output of the power amplifier, generate a second set of digital bits corresponding to the first set of digital bits, digitally process the second set of digital bits to determine a linearity characteristic of the power amplifier, and to adjust the biasing voltage in response to determining the linearity characteristic.. . ... Qualcomm Incorporated

05/03/18 / #20180124711

Uplink transmission techniques in low latency wireless communication systems

Symbol alignment and power scaling are provided for different length transmission time intervals (ttis) within predefined boundaries, such as boundaries of a slot of a subframe. Described techniques provide for identifying time and/or frequency resources for one or more ttis and allocating such resources based on a location within a subframe, pilot signals that may be transmitted using the resources, other processing timelines, or any combination thereof. ... Qualcomm Incorporated

05/03/18 / #20180124710

Techniques and apparatuses for uplink power control

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communications device may employ different power control loops, associated with different power control reference points, for uplink transmissions that use different uplink waveforms. ... Qualcomm Incorporated

05/03/18 / #20180124700

Transmit power configuration based on bandwidth

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the apparatus is configured to receive a soliciting message with a first bandwidth. ... Qualcomm Incorporated

05/03/18 / #20180124680

Signal barring of delay tolerant access

Methods, systems, and devices for wireless communication are described. The method includes transmitting a first barring bitmap associated with a first configuration of user equipments (ues) based at least in part on a decision to implement access class barring (acb), determining a radio access network (ran) provides network service to ues of a second configuration different from the first configuration, transmitting a delay tolerant barring indicator associated with the second configuration based at least in part on the decision to implement acb and determining that the ran provides network services to ues of a second configuration.. ... Qualcomm Incorporated

05/03/18 / #20180124644

Narrowband reference signals in non-anchor resource blocks

Certain aspects of the present disclosure generally relate to techniques for determining presence of narrowband reference signals (nrss) in non-anchor physical resource blocks (prbs). An exemplary method that may be performed by a user equipment (ue) includes deciding that a paging occasion (po), a rar transmission, or a sc-ptm transmission will occur or has occurred, determining occurrence of a narrowband reference signal (nrs) in a non-anchor resource block (rb) based on at least one of: the decision, one or more narrowband transmission parameters, or presence of one or more other transmissions in a same rb as the po, the rar transmission, or the sc-ptm transmission; and processing the nrs. ... Qualcomm Incorporated

05/03/18 / #20180124639

Techniques and apparatuses for unidirectional robust header compression

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, transmitter device, and wireless communication device are presented for unidirectional robust header compression (rohc). ... Qualcomm Incorporated

05/03/18 / #20180124636

Collision reduction in contention-based access

A wireless communications of a contention-based access procedure that reduces collision of reference signals (e.g., when multiple devices select a same reference signal) may support a relatively high user capacity. For a contention-based access procedure, a user equipment may select at least two reference signals and transmit those at least two reference signals in association with a payload to a base station . ... Qualcomm Incorporated

05/03/18 / #20180124625

Controlling reporting operations for wireless communication

Various aspects of the disclosure relate to controlling reporting operations based on the timing of certain reporting events. In some aspects, the manner in which an apparatus performs reporting operations may depend on how far apart in time two reporting events occur. ... Qualcomm Incorporated

05/03/18 / #20180124584

Systems and methods to support distress signaling from a wireless device

Methods of assisting an emergency situation at a first user equipment (ue) may comprise detecting the emergency situation; and sending an emergency services (es) request comprising discovery information, wherein the es request is sent by broadcast using a long term evolution (lte) direct service, a wifi direct service, or a peer-to-peer (p2p) service. Disclosed embodiments also pertain to methods of assisting an emergency situation at a first ue, wherein the method is performed on a second ue and comprises receiving from the first ue an es request comprising the discovery information for the first ue, wherein the es request is received using an lte direct service; a wifi direct service or a p2p service. ... Qualcomm Incorporated

05/03/18 / #20180124378

Enhanced depth map images for mobile devices

In general, techniques are described that facilitate processing of a depth map image in mobile devices. A mobile device comprising a depth camera, a camera and a processor may be configured to perform various aspects of the techniques. ... Qualcomm Incorporated

05/03/18 / #20180124317

Power saving techniques for an image capture device

An image capture device that includes an adjustment circuit configured to monitor image parameters, generate updated image settings for the image capture device in response to the monitored image parameters, and transmit the updated image settings to one or more processors. The updated image settings configure the one or more processors to determine whether to transition the image capture device from a dynamic scene mode to a static scene mode based on a first image parameter included in the monitored image parameters, wherein the first image parameter is different from a second image parameter used to determine to transition the image capture device from the static scene mode to the dynamic scene mode, and to suspend generation of all or less than all of the updated image settings in response to determining to transition the image capture device from the dynamic scene mode to the static scene mode.. ... Qualcomm Incorporated

05/03/18 / #20180124080

Methods and systems for anomaly detection using functional specifications derived from server input/output (i/o) behavior

Various embodiments include methods of protecting a computing device within a network from malware or other non-benign behaviors. A computing device may monitor inputs and outputs to a server, derive a functional specification from the monitored inputs and outputs, and use the functional specification for anomaly detection. ... Qualcomm Incorporated

05/03/18 / #20180124018

Coordinated application firewall

Aspects may relate to a server comprising: an interface to receive a service request; and a processor coupled to the interface to receive the service request, the processor configured to: implement a firewall appliance for the service request; operate a first micro-security application to generate an anomaly alert for the service request; and operate a second micro-security application to receive the anomaly alert from the first micro-security application or from another server's micro-security application and to determine whether the service request corresponds to a non-benign behavior.. . ... Qualcomm Incorporated

05/03/18 / #20180123859

Unlicensed spectrum coverage enhancement for industrial internet of things

This disclosure includes methods, systems, and devices for wireless communication. A repetition of symbols may be used to increase a device's ability to synchronize and communicate using unlicensed spectrum. ... Qualcomm Incorporated

05/03/18 / #20180123810

Methods for delivery of flows of objects over broadcast/multicast enabled networks

Content (e.g., multimedia streams, audio-video streams, video files, text, etc.) may be delivered to receiver devices over a broadcast channel and/or via a broadcast network via components (e.g., servers, receiver device, software applications, modules, processes, etc.) configured to communicate the content in a manner that reduces the amount of information communicated over the broadcast network, reduces the amount network bandwidth consumed by the communication, meets precise timing requirements for the individual objects that are communicated, and enables each receiver device to receive, decode, and render the content without consuming an excess amount of that receiver device's battery or processing resources.. . ... Qualcomm Incorporated

05/03/18 / #20180123747

Techniques and apparatuses for common uplink burst

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device may configure a wireless communication structure to include at least a data portion and a common uplink portion, wherein the common uplink portion includes a first symbol and a second symbol, wherein the first symbol precedes the second symbol. ... Qualcomm Incorporated

05/03/18 / #20180123737

Multi-segment data units

Various aspects of the disclosure relate to communication using a data unit that includes a plurality of segments, where the different segments include information for different users. In some aspects, the data unit may be a physical layer convergence protocol (plcp) protocol data unit (ppdu) for wi-fi communication. ... Qualcomm Incorporated

05/03/18 / #20180123734

Deeply-pipelined high-throughput ldpc decoder architecture

Certain aspects of the present disclosure generally relate to methods and apparatus for decoding low density parity check (ldpc) codes, and more particularly to a deeply-pipelined layered ldpc decoder architecture for high decoding throughputs.. . ... Qualcomm Incorporated

05/03/18 / #20180123648

Receiver beamforming for measurements

A wireless communications system may support beamforming to transmit and receive signals. A device operating within the wireless communications system may transmit a request to measure a beamformed reference signal. ... Qualcomm Incorporated

05/03/18 / #20180123615

Non-linear log-likelihood ratio quantization techniques for ldpc decoder architecture

Certain aspects of the present disclosure generally relate to methods and apparatus for decoding low density parity check (ldpc) codes, and more particularly to non-linear log-likelihood ratio quantization techniques for low-density parity-check (ldpc) decoder architecture.. . ... Qualcomm Incorporated

05/03/18 / #20180123614

Early termination technique for ldpc decoder architecture

Certain aspects of the present disclosure generally relate to methods and apparatus for decoding low density parity check (ldpc) codes, and more particularly to early termination techniques for low-density parity-check (ldpc) decoder architecture.. . ... Qualcomm Incorporated

05/03/18 / #20180123602

High impedance passive switched capacitor common mode feedback network

A switched capacitor circuit includes a first capacitor coupled in series with a second capacitor in a first mode of operation across differential output terminals of a circuit. The first capacitor and the second capacitor are coupled in an anti-parallel layout in a second mode of operation. ... Qualcomm Incorporated

05/03/18 / #20180123568