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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


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

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

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

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

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

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

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

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

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

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

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

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

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

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

Semi-data gated flop with low clock power/low internal power with minimal area overhead

Methods and systems for clock gating are described herein. In certain aspects, a method for clock gating includes receiving an input signal of a flip-flop and an output signal of the flip-flop, and passing a clock signal to an input of a gate in the flip-flop if the input signal and the output signal have different logic values or both the input signal and the output signal have a logic value of zero. ... Qualcomm Incorporated

05/03/18 / #20180123538

Source follower based envelope tracking for power amplifier biasing

A power amplifier bias circuit with embedded envelope detection includes a bias circuit stage coupled to an envelope detector circuit to increases a bias provided to a power amplifier as a function of an incoming envelope signal. The envelope detector circuit includes a first source/emitter follower transistor, a current source, and a filter to generate a baseband envelope signal. ... Qualcomm Incorporated

05/03/18 / #20180123532

Differential source follower driven power amplifier

A power amplification device includes a power amplifier core stage and a power amplifier driver stage. The power amplifier driver stage receives a radio frequency signal to be amplified by the power amplification device. ... Qualcomm Incorporated

05/03/18 / #20180123523

Low gain linearization for high signal-to-noise ratio

A low noise amplifier (lna) includes a transconductance device coupled to a cascode transistor. The lna also includes a resistor capacitor (rc) feedback branch. ... Qualcomm Incorporated

05/03/18 / #20180123517

Low impedance adaptive bias scheme for power amplifier

An adaptive bias circuit for a power amplifier may include a terminal node coupled to the power amplifier. The adaptive bias circuit may also include a low impedance bias circuit coupled to the terminal node. ... Qualcomm Incorporated

05/03/18 / #20180123385

Hardware switch initiated battery current control

A method of enabling a battery hot swap in a mobile device includes detecting when a removable first battery will be removed. The removable first battery may power the mobile device. ... Qualcomm Incorporated

05/03/18 / #20180123225

Integrated airborne blade antenna design

Aspects of the present disclosure generally relate to antenna structures suitable for vehicles, such as aircraft.. . ... Qualcomm Incorporated

05/03/18 / #20180122824

Standard cell architecture with m1 layer unidirectional routing

A standard cell cmos device includes metal oxide semiconductor transistors having gates formed from gate interconnects. The gate interconnects extend in a first direction. ... Qualcomm Incorporated

05/03/18 / #20180122652

Method of roi encapsulation during axis conversion of cross-sectional tem lamellae

An axis conversion technique is provided for the milling of lamellae for tem analysis that includes a sputter deposition to prevent warpage of the axis-converted lamellae.. . ... Qualcomm Incorporated

05/03/18 / #20180122385

Encoding of multiple audio signals

A device includes a receiver configured to receive an encoded bitstream from a second device. The encoded bitstream includes a temporal mismatch value determined based on a reference channel captured at the second device and a target channel captured at the second device. ... Qualcomm Incorporated

05/03/18 / #20180122079

Systems and methods for determining histograms

A method for determining a histogram is described. The method includes storing a plurality of histograms in a memory bank, each histogram corresponding to a group of pixels in a region of interest of an image. ... Qualcomm Incorporated

05/03/18 / #20180122038

Multi-layer fetch during composition

In general, techniques are described for performing multi-layer image fetching using a single hardware image fetcher pipeline of a display processor. A device comprising a layer buffer, and a display processor may be configured to perform the techniques. ... Qualcomm Incorporated

05/03/18 / #20180121791

Temporal difference estimation in an artificial neural network

A method of computation in a deep neural network includes discretizing input signals and computing a temporal difference of the discrete input signals to produce a discretized temporal difference. The method also includes applying weights of a first layer of the deep neural network to the discretized temporal difference to create an output of a weight matrix. ... Qualcomm Incorporated

05/03/18 / #20180121713

Systems and methods for verifying a face

A method for verifying a face by an electronic device is described. The method includes obtaining a partial face depth map from a depth sensor. ... Qualcomm Incorporated

05/03/18 / #20180121274

Providing efficient handling of memory array failures in processor-based systems

Providing efficient handling of memory array failures in processor-based systems is disclosed. In this regard, in one aspect, a memory controller of a processor-based device is configured to detect a defect within a memory element of a plurality of memory elements of a memory array. ... Qualcomm Incorporated

05/03/18 / #20180121125

Method and apparatus for managing resource access control hardware in a system-on-chip device

In an aspect, an apparatus obtains, at one or more hardware configuration interfaces, a physical page number associated with a secure resource, a domain identifier, and at least one memory attribute. The one or more hardware configuration interfaces may be in communication with a resource protection unit that manages access to the secure resource. ... Qualcomm Incorporated

05/03/18 / #20180120921

Replacement physical layer (phy) for low-speed peripheral component interconnect (pci) express (pcie) systems

A replacement physical layer (phy) for low-speed peripheral component interconnect (pci) express (pcie) systems is disclosed. In one aspect, an analog phy of a conventional pcie system is replaced with a digital phy. ... Qualcomm Incorporated

05/03/18 / #20180120879

Voltage regulator with enhanced power supply rejection ratio and load-transient performance

A voltage regulation circuit improves power supply rejection ratio and load-transient performance. The voltage regulation circuit includes a low dropout (ldo) voltage regulator and an inverting amplifier stage. ... Qualcomm Incorporated

05/03/18 / #20180120443

Method and apparatus for reducing time uncertainty using relative change in position

A mobile device is capable of accurately maintaining a global time based on satellite position system (sps) time decoded from an sps signal using a clock signal acquired from a wireless communication transmitter, such as a base station or access point. The time uncertainty is reduced or minimized by determining a relative change in position of the mobile device with respect to a base position, e.g., a reference position determined from a previous sps session. ... Qualcomm Incorporated

04/19/18 / #20180110088

Dual active connections over single radio user equipment

A technique is disclosed to facilitate dual active connections by a ue device using a transmitter. A first connection is established with a first access node for wireless communication services. ... Qualcomm Incorporated

04/19/18 / #20180110075

Random access channel (rach) procedure design

Certain aspects of the present disclosure are generally directed to design of random access channel (rach) procedures. For example, certain aspects of the present disclosure provide a method for wireless communication by a user equipment (ue). ... Qualcomm Incorporated

04/19/18 / #20180110074

Enhanced random access channel (rach) procedure

The present disclosure describes a method, an apparatus, and a computer-readable medium for a random access channel (rach) procedure at a user equipment. For example, the method may select a two-step rach procedure or a four-step rach procedure at the ue based at least on rach configuration information received from a base station or the rach configuration information at the ue. ... Qualcomm Incorporated

04/19/18 / #20180110072

System and method for decoding data carried on colliding channels

An apparatus may communicate with at least two networks. The apparatus may be configured to opportunistically decode a channel from a first network and a channel from a second network in order to receive data from both networks. ... Qualcomm Incorporated

04/19/18 / #20180110069

Single user switching timer per access category (ac)

Certain aspects of the present disclosure relate to timers used to control switching from su to mu transmission modes. In some examples, a frame is generated having an indication of multiple timer values for one or more wireless devices to be used for switching from a multiple user (mu) mode to a single user (su) mode. ... Qualcomm Incorporated

04/19/18 / #20180110066

Scheduling request transmission for directional beam access

A user equipment (ue) may transmit a ue-generated uplink message to a base station to request resources for an uplink transmission. The ue may be configured to send the message (e.g., a scheduling request (sr)) using different transmission modes. ... Qualcomm Incorporated

04/19/18 / #20180110063

Mission critical and autonomous uplink transmission support

A connection may be established between a base station and a user equipment (ue) using a radio frequency shared by multiple network operating entities. Resources (e.g., a frame) may be divided into exclusive, prioritized, and opportunistic sub-intervals for a given network operating entity coexisting within the shared radio frequency spectrum. ... Qualcomm Incorporated

04/19/18 / #20180110056

Techniques for new radio frame structures for data transmission

A method and apparatus for wireless communications are described. The method and apparatus may include transmitting at least one frame that includes a first acquisition interval associated with a first operator and one or more first transmission opportunities having a guarantee interval for the first operator, and a second acquisition interval associated with a second operator different from the first operator and one or more second transmission opportunities having a guarantee interval for the second operator, the first acquisition interval and the one or more first transmission opportunities nonoverlapping with the second acquisition interval and the one or more second transmission opportunities.. ... Qualcomm Incorporated

04/19/18 / #20180110052

Techniques for configuring uplink transmissions using shared radio frequency spectrum band

Techniques for wireless communications over a shared radio frequency spectrum band, may include techniques for transmitting uplink data transmissions using allocated uplink resources. Allocated uplink resources may include an uplink channel comprising a number of allocated interlaces of resource blocks (rbs) for use by a user equipment (ue). ... Qualcomm Incorporated

04/19/18 / #20180110048

Carrier aggregation with self-contained subframe for efficient modem processing

The present disclosure provides for enhanced pipeline processing using different timing characteristics for aggregated carriers. A receiving device may receive a first component carrier and a second component carrier from a transmitting device during a subframe including a first set of symbols on the first component carrier and a second set of symbols on the second component carrier. ... Qualcomm Incorporated

04/19/18 / #20180110046

Procedure for dynamically changing operating parameters of a basic service set (bss)

This disclosure provides systems, methods and apparatuses for dynamically changing one or more operating parameters of a wireless network. In some aspects, an ap may detect the presence of an overlapping bss having the same color as its own bss. ... Qualcomm Incorporated

04/19/18 / #20180110042

Concurrent transmission of low latency and non-low latency uplink control channels

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may be scheduled for overlapping or concurrent uplink control information (uci) transmissions on a non-low latency channel (e.g., physical uplink control channel (pucch)) and a low latency channel (shortened pucch (spucch)). ... Qualcomm Incorporated

04/19/18 / #20180110025

Agile measurement strategy for terrestrial positioning

Techniques provided herein enable a mobile device to maintain a terrestrial transceiver history indicating the success of previous measurements attempts with terrestrial transceivers for location determination. This history can be used to prioritize terrestrial transceivers with which future measurement attempts are to be made.. ... Qualcomm Incorporated

04/19/18 / #20180110022

Coordinated resource discovery

Methods, systems, and devices for wireless communication are described that provide for discovery of resources in a wireless communications system. The wireless communications system supports operations for multiple network operating entities that share a radio frequency spectrum. ... Qualcomm Incorporated

04/19/18 / #20180110019

Synchronization and data channel numerology in wireless communications

A base station may configure at least a first downlink transmission in a regular downlink burst with the first numerology for transmitting at least a portion of a data channel to a ue according to a numerology of a service used for data channel transmission. The base station also may configure at least a portion of a second downlink transmission in a regular downlink burst with a second numerology for transmitting a synchronization signal to the ue. ... Qualcomm Incorporated

04/19/18 / #20180110000

Wake-up receiver scheduling

A station configured to operate in a wireless network includes low-power protocol circuitry configured to operate according to a low-power protocol coupled to primary protocol circuitry configured to operate according to a first protocol. The low-power protocol circuitry includes a wake-up receiver configured to transition into a receive mode according to a medium access schedule. ... Qualcomm Incorporated

04/19/18 / #20180109995

System information block transmission

Methods, systems, and devices for wireless communication are described. A network entity may identify a first frequency range of a system bandwidth that is used for transmission of synchronization information. ... Qualcomm Incorporated

04/19/18 / #20180109986

Communication beam soft handover

A method for communication beam transition in a communication system includes sending beam information on a first communication beam, receiving a beam switch command on the first communication beam, the beam switch command requesting a transition from the first communication beam to a second communication beam, simultaneously sending and receiving information on the first communication beam and the second communication beam, and ceasing sending and receiving information on the first communication beam when transition to the second communication beam is completed.. . ... Qualcomm Incorporated

04/19/18 / #20180109978

Managing packet switched services on a mobile device

Various methods for managing packet switched (ps) states on a mobile communication device may include performing, on a first subscription on the mobile communication device, a transition from a first radio access technology (rat) to a second rat, determining whether at least one application on the mobile communication device is utilizing on-demand ps services on the first subscription, and registering for circuit switched (cs) services but not ps services on the second rat in response to determining that no applications on the mobile communication device is utilizing on-demand ps services on the first subscription.. . ... Qualcomm Incorporated

04/19/18 / #20180109976

Rach procedures using multiple prach transmissions

Techniques are described herein to improve a link budget of physical random access channel (prach) transmissions used during a random access (rach) procedure. The link budget of a prach transmission associated with the rach procedure may be improved by transmitting multiple prach transmissions. ... Qualcomm Incorporated

04/19/18 / #20180109968

Techniques for reporting channel state information (csi) for an unlicensed radio frequency spectrum band

Techniques are described for wireless communication. One technique includes receiving a service via a component carrier, wherein the component carrier may be in an unlicensed radio frequency spectrum band. ... Qualcomm Incorporated

04/19/18 / #20180109958

Techniques for transmitting patterns of signal transmissions or reference signals over an unlicensed radio frequency spectrum band

Techniques are described for wireless communication. A first method may include determining a pattern of signal transmissions for transmitting instances of a signal in a time period of an unlicensed radio frequency spectrum band; determining whether the unlicensed radio frequency spectrum band is unavailable to transmit at least one instance of the signal; and changing, in response to determining the unlicensed radio frequency spectrum band is unavailable to transmit an instance of the signal, the pattern of signal transmissions for the time period. ... Qualcomm Incorporated

04/19/18 / #20180109957

Coordinated resource partitioning

The described techniques provide for partitioning resources to coordinate wireless communications between one or more network operating entities within a shared spectrum. Partitioning resources may include assigning certain types of communication for each network operating entity to certain time intervals within a larger time frame. ... Qualcomm Incorporated

04/19/18 / #20180109952

Schedule selection and connection setup between devices participating in a nan data link

A wireless device for wireless communication is configured to determine a schedule in association with one or more wake times. In addition, the wireless device is configured to determine a lifetime in association with the determined schedule. ... Qualcomm Incorporated

04/19/18 / #20180109896

Parametric audio decoding

A stereo parameter conditioner performs a conditioning operation on a first value of a stereo parameter and a second value of the stereo parameter to generate a conditioned value of the stereo parameter. The first value is associated with a first frequency range, and the second value is associated with a second frequency range. ... Qualcomm Incorporated

04/19/18 / #20180109552

Techniques for mitigating non-cross domain code execution vulnerabilities in cellular baseband

Techniques for mitigating an attack on baseband on a mobile wireless device are provided. An example method according to these techniques includes detecting a network switch event in which the mobile wireless device has disconnected from a first wireless network and connected to a second wireless network, performing an integrity check on one or more components of the mobile wireless device responsive to detecting the network switch event, and performing one or more actions responsive to the integrity check indicating that the one or more components of the mobile wireless device have been modified.. ... Qualcomm Incorporated

04/19/18 / #20180109418

Device provisioning protocol (dpp) using assisted bootstrapping

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for enhancing a device provisioning protocol (dpp) with assisted bootstrapping. In one aspect, a configurator device can provision an enrollee device for a network with the assistance of an intermediary device. ... Qualcomm Incorporated

04/19/18 / #20180109406

Resource block alignment in mixed numerology wireless communications

Techniques are described that provide for resource block (rb) alignment in mixed numerology wireless communications, in which a number of rbs for a particular numerology may occupy less than an entire system bandwidth. A fractional bandwidth may be identified as a difference between the bandwidth of the integer number of rbs and the system bandwidth and may be used to transmit information using one or more fractional rbs that may have a same or different numerology as the integer number of rbs. ... Qualcomm Incorporated

04/19/18 / #20180109388

Methods for header extension preservation, security, authentication, and protocol translation for rtp over mprtp

Systems, methods, and devices of the various embodiments provide for header extension preservation, security, authentication, and/or protocol translation for multipath real-time transport protocol (mprtp). Various embodiments include methods that may be implemented in a processor of a computing device for mprtp transmission of real-time transport protocol (rtp) packets. ... Qualcomm Incorporated

04/19/18 / #20180109381

Configurator key package for device provisioning protocol (dpp)

This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for enhancing a device provisioning protocol (dpp) to support multiple configurators. In one aspect, a first configurator device can export a configurator key package. ... Qualcomm Incorporated

04/19/18 / #20180109344

Configurable synchronization in next generation wireless networks

Aspects of the present disclosure provide for the transmission of various synchronization signals with variable periodicity. For synchronization signals with long periodicity, in some aspects of the disclosure, the synchronization signals may be transmitted as single-frequency-network (sfn) synchronization signals and/or the synchronization signals may be repeated a number (n) of times within a synchronization burst to reduce user equipment (ue) search latency and improve ue measurement accuracy. ... Qualcomm Incorporated

04/19/18 / #20180109302

Reference signal measurements

Certain aspects of the present disclosure provide techniques for assisting a ue in measuring reference signals in a wireless communication system using beams. A bs may transmit, to a ue, information regarding one or more measurement gaps for measuring one or more reference signals. ... Qualcomm Incorporated

04/19/18 / #20180109298

Techniques for mu-mimo sounding sequence protection

The disclosure provides techniques for sounding sequence protection in multi-user multiple-input-multiple-output (mu-mimo) communications for wireless local area networks (wlans). An access point (ap) may select a station (sta) from multiple stas in a mu-mimo group. ... Qualcomm Incorporated

04/19/18 / #20180109289

Digital subscriber line interference measurements and power line communication beamforming optimization

This disclosure provides systems, methods, and apparatus for wireline communication. Independent control of probing signals transmitted on different power line couplings may be used to characterize power line communication (plc) signal leakage on a set of digital subscriber line (dsl) lines. ... Qualcomm Incorporated

04/19/18 / #20180109269

Adjusted min-sum decoder

Certain aspects of the present disclosure generally relate to techniques for efficient, high-performance decoding of low-density parity check (ldpc) codes, for example, by using an adjusted minimum-sum (adjms) algorithm, which involves approximating an update function and determining magnitudes of outgoing log likelihood ratios (llrs). Similar techniques may also be used for decoding turbo codes. ... Qualcomm Incorporated

04/19/18 / #20180109252

Rf circuit with switch transistor with body connection

In some method and apparatus embodiments, an rf circuit comprises a switch transistor having a source, a drain, a gate, and a body. A gate control voltage is applied to the gate of the switch transistor. ... Qualcomm Incorporated

04/19/18 / #20180109145

Power dissipation control for a wireless power receiver

Certain aspects of the present disclosure relate to methods and apparatus for power dissipation control for a wireless power receiver. Certain aspects of the present disclosure provide a wireless power receiver. ... Qualcomm Incorporated

04/19/18 / #20180107826

Techniques for trusted application fuzzing mitigation

Techniques for mitigating attacks on an application operating in a trusted execution environment of a computing device are provided. An example method according to these techniques includes monitoring performance of the trusted application operating in the trusted execution environment of the computing device, determining whether an undesired behavior of the trusted application has occurred more than or equal to a threshold number of times, and executing a delayed restart process for the trusted application.. ... Qualcomm Incorporated

04/19/18 / #20180107823

Programmable hardware security counters

Embodiments include computing devices and methods implemented by computing devices for using programmable hardware security counters for detecting malicious behavior. Various embodiments may include tracking the value of hardware instruction pointers, such as pointers tracking the memory address of each executing instruction. ... Qualcomm Incorporated

04/19/18 / #20180107618

Method to handle concurrent fatal events in a multicore execution environment

Techniques for handling concurrent fatal events in a multicore execution environment are described. An example method for handling interrupts in a processor controlled device includes receiving an indication of a first fatal interrupt, determining if additional interrupts have occurred, serializing the handling of the first fatal interrupt and the additional interrupts,, storing a serialized diagnostic information corresponding to each of the first fatal interrupt and the additional interrupts, and resetting the processor controlled device after storing the serialized diagnostic information corresponding to each of the first fatal interrupt and the additional interrupts.. ... Qualcomm Incorporated

04/19/18 / #20180107384

Universal flash storage (ufs) host design for supporting embedded ufs and ufs card

Systems and method are directed to a universal flash storage (ufs) host capable of interfacing one or more ufs devices. The ufs host includes a plurality of mobile-physical-layers (m-phys) for supporting one or more lanes of traffic between the ufs host and the one or more ufs devices. ... Qualcomm Incorporated

04/19/18 / #20180107263

Method and apparatus for dynamic sleep mode based on predicted communication activity

A method for communicating system activity in a communication system includes receiving communication beam activity information, the communication beam activity information related to communication information destined for a user device on a communication beam, the communication beam activity information comprising information relating to data activity on the communication beam, and using the communication beam activity information to determine a period within which the user device may enter an inactive state.. . ... Qualcomm Incorporated

04/19/18 / #20180107232

Fast transient response low-dropout (ldo) regulator

Certain aspects of the present disclosure generally relate a dual feedback loop regulator. For example, the regulator may include a first amplifier having an output coupled to an output node of the regulator, the output node further coupled to a first feedback path and a second feedback path of the regulator. ... Qualcomm Incorporated

04/19/18 / #20180107007

Self-aligning travelling collimating lens for sweeping laser

Disclosed herein are techniques for dynamically forming an optical component that automatically aligns with and changes positions with a scanning light beam to modify the wave front of the scanning light beam, such as collimating the scanning light beam. More specifically, a patterning beam that aligns with the scanning light beam may be scanned together with the scanning light beam to form the self-aligning and travelling optical component in an electro-optic material layer that is connected in serial with a photoconductive material layer to a voltage source, where the patterning beam optically modulates the impedance of the photoconductive material layer and therefore an electric field within the electro-optic material layer, the modulated electric field causing localized changes of refractive index in the electro-optic material layer to form the self-aligning and travelling optical component.. ... Qualcomm Incorporated

04/19/18 / #20180104154

Smart blister pack with skin presence trigger

Techniques provided herein are directed toward accurately determining when an item is removed from a blister pack by utilizing capacitive sensors. The capacitive sensors may be positioned on each blister of the blister and may detect the presence of the skin of the finger and/or the whether the blister has been deformed, which can occur when an item is removed from the blister. ... Qualcomm Incorporated

04/12/18 / #20180103492

Beam correspondence indication, ue calibration indication, and synchronization information for tdd rach procedure

Certain aspects of the present disclosure provide techniques for beam correspondence indication, user equipment (ue) calibration indication, and synchronization information for time division duplexed (tdd) random access channel (rach) procedure. According to certain aspects, a method of wireless communication by a wireless device is provided. ... Qualcomm Incorporated

04/12/18 / #20180103487

Dynamic selection of control response frame parameters

A wireless device (e.g., a station (sta)) may receive a transmission soliciting a control transmission (e.g., a soliciting transmission). The sta may identify a transmission parameter indicator, which may indicate a change in one or more parameters in a control response transmission parameter set (e.g., a set of parameters used for control transmissions in response to the soliciting transmission). ... Qualcomm Incorporated

04/12/18 / #20180103485

Dynamic hybrid automatic repeat request timing management

A user equipment (ue) may be categorized into one or more capability categories based on its ability to generate hybrid automatic repeat request (harq) responses within a predetermined delay or slot. Harq timing management may consider a ue capability category that is ue dependent. ... Qualcomm Incorporated

04/12/18 / #20180103472

Techniques for contending for access to a radio frequency spectrum band using a coordinated listen before talk procedure

Techniques are described for wireless communication at a wireless device. One method includes identifying a priority of the wireless device for a transmission interval of a radio frequency spectrum band shared by a plurality of network operating entities; identifying an absence of a predetermined transmission type in each of a number of clear channel assessment (cca) slots of the transmission interval, in which each of the number of cca slots is associated with a higher priority than the identified priority of the wireless device; and communicating over the radio frequency spectrum band based at least in part on the identified absence of the predetermined transmission type in each of the number of cca slots associated with the higher priority than the priority of the wireless device.. ... Qualcomm Incorporated

04/12/18 / #20180103471

Split dwell time scan optimization for delay sensitive traffic

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 maximum scan time for passive scan of off line channels. ... Qualcomm Incorporated

04/12/18 / #20180103468

Tti bundling for urllc ul/dl transmissions

Transmission time interval (tti) bundling for ultra-reliable low-latency communication (urllc) uplink and downlink transmissions is discussed in which a base station or user equipments (ues) determine conditions for one or more served ues that would indicate enabling tti bundling for data and/or control transmissions. The serving base station transmits an enablement signal signifying that tti bundling will be performed for data and/or control transmissions. ... Qualcomm Incorporated

04/12/18 / #20180103464

Variable physical uplink control channel (pucch) signaling and transmission

Wireless communications systems and methods related to transmitting uplink control information. A first wireless communication device receives a transmission configuration indicating first beam information and second beam information. ... Qualcomm Incorporated

04/12/18 / #20180103461

Multi-stage channel reservation signal for directional transmission and reception

Certain aspects of the present disclosure provide techniques for multi-stage channel reservation signals for direction transmission and reception. According to certain aspects, a method of wireless communication by a cell is provided. ... Qualcomm Incorporated

04/12/18 / #20180103450

Devices for reduced overhead paging

A method for reduced overhead paging by an access point is described. The method includes assigning at least one paging identifier to at least one station. ... Qualcomm Incorporated

04/12/18 / #20180103445

Synchronization and broadcast channel design with flexible bandwidth allocations

Certain aspects of the present disclosure provide various synchronization channel and physical broadcast channel (pbch) designs. A method for wireless communications by a user equipment (ue). ... Qualcomm Incorporated

04/12/18 / #20180103438

Signaling of transmit power related information

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the example method may include generating a data frame including a medium access control (mac) header or a physical layer (phy) header. ... Qualcomm Incorporated

04/12/18 / #20180103437

Methods and apparatus for msi decoding using an offline or online mode

Certain aspects of the present disclosure relate to methods and apparatus for offline and/or online mode decoding of multicast channel scheduling information (msi). A method for wireless communications by a user equipment (ue) is provided. ... Qualcomm Incorporated

04/12/18 / #20180103434

Reception of transmit power related information

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the example method may include receiving transmit power related information from a transmitter. ... Qualcomm Incorporated

04/12/18 / #20180103430

Access point discovery using a wakeup receiver

A method of operation of an electronic device includes receiving a discovery message from an access point using a wakeup receiver of the electronic device. The method further includes activating a modem of the electronic device in response to receiving the discovery message. ... Qualcomm Incorporated

04/12/18 / #20180103428

Techniques for power control and management

Aspects of the present disclosure relate to wireless communications and, more particularly, to power control and management for enhanced mobile broadband (embb)/ultra-reliable low latency (urllc) multiplexing. A method for wireless communications that may be performed by a user equipment (ue) is provided. ... Qualcomm Incorporated

04/12/18 / #20180103427

Independent wakeups from deep sleep for broadcast and unicast service

Aspects of the present disclosure relate to wireless communications and, more particularly, to adjusting how certain types of devices wake up and/or stay awake for broadcast service. A method for wireless communications is provided that may be performed by a user equipment (ue). ... Qualcomm Incorporated

04/12/18 / #20180103407

Reference beam for event trigger in mobility management

Certain aspects of the present disclosure provide techniques for supporting mobility management in a wireless communication system employing beams. A ue may receive, from a bs serving the ue, information regarding one or more reference beams and one or more event triggers associated with the one or more reference beams. ... Qualcomm Incorporated

04/12/18 / #20180103395

Media access control header and transport block formats

Various aspects described herein relate to encoding or decoding a media access control (mac) layer transport block having an enhanced mac header format, a split and partial mac header, and a mac transport block design. A method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

04/12/18 / #20180103394

Streamlined user plane headers for high data rates

A method and apparatus for receiving a notification of missing packets include receiving a set of data packets transmitted by a device and having a corresponding set of sequence numbers, identifying one or more data packets having corresponding sequence numbers that fall within the set of sequence numbers and are yet to be received, receiving an indication from the device that the one or more data packets will not be transmitted by the device, and processing the set of data packets without the one or more data packets in response to receiving the indication.. . ... Qualcomm Incorporated

04/12/18 / #20180103390

Method and apparatus for adaptation of edca parameters to ensure access by a wireless node

Various aspects of the disclosed approach attempts to provide suitable contention access by an access point (ap) to a communications medium shared with a plurality of stations (stas) by adapting enhanced distributed channel access (edca) parameters for the ap. Generally, the disclosed approach includes determining a metric value by measuring an amount of access of a medium by a device over a first period of time; and changing, based on the metric value, a contention parameter of the device if a target metric value associated with access of the medium for the device is not achieved while a limit of the contention parameter has not been reached.. ... Qualcomm Incorporated

04/12/18 / #20180103387

Csi reporting for lte-tdd eimta

Methods, systems, and devices are described for providing periodic csi reports and/or aperiodic csi reports to provide csi for both anchor and non-anchor tdd subframes in eimta. Periodic csi reports may be provided based on a reference configuration, and aperiodic csi reports may be provided based on a time of reception of a csi request and a reference configuration. ... Qualcomm Incorporated

04/12/18 / #20180103364

Access for group call services through a broadcast channel

A user equipment (ue) may be configured to join a group call, which may include mission critical (mc) data. The ue may be configured to receive, through a broadcasted group discovery channel (gdch), a list of group call services and corresponding session description protocol (sdp) information for establishing the group call services. ... Qualcomm Incorporated

04/12/18 / #20180103363

Connectivity to a core network via an access network

Methods, systems, and devices for wireless communications are described that supports connectivity to a core network via an access network. A user equipment (ue) may establish connectivity with an access network and perform a discovery procedure to identify and select a packet data gateway that provides connectivity to a core network via a core network node. ... Qualcomm Incorporated

04/12/18 / #20180103273

Identification of samples in a transition zone

During a video encoding or decoding process, a predicted prediction block is generated for a cu. The cu may have two or more prediction units (pus). ... Qualcomm Incorporated

04/12/18 / #20180103271

Systems and methods for signaling missing or corrupted video data

In various implementations, methods, apparatuses, and computer-readable media are described for providing an indication that a file includes corrupted video frames. For example, the file can include an indicator to indicate one or more video frames associated with a particular playing timestamp and playing duration are corrupted. ... Qualcomm Incorporated

04/12/18 / #20180103252

Primary transform and secondary transform in video coding

In general, the disclosure describes a video coding device (e.g., a video encoder or a video decoder) configured to perform various transformations on video data. The video coding device applies a primary transform to a block of the video data, the primary transform having a first size, and the sub-block being at least a portion of the block. ... Qualcomm Incorporated

04/12/18 / #20180103209

User interface to assist three dimensional scanning of objects

Methods and apparatuses are disclosed for assisting a user in performing a three dimensional scan of an object. An example user device to assist with scanning may include a processor. ... Qualcomm Incorporated

04/12/18 / #20180103199

Systems and methods of generating and processing files for partial decoding and most interested regions

Techniques and systems are provided for processing video data. For example, 360-degree video data can be obtained for processing by an encoding device or a decoding device. ... Qualcomm Incorporated

04/12/18 / #20180102972

Dynamically adjusting network services stratum parameters based on access and/or connectivity stratum utilization and/or congestion information

A method, operational at a network device, for conveying congestion information across different strata of a multi-strata network is provided. An indication is obtained that a congestion level for at least one of a radio access network node and a core network node of a network has changed. ... Qualcomm Incorporated

04/12/18 / #20180102927

Frame format with dual mode channel estimation field

Certain aspects of the present disclosure provide methods and apparatus for generating frames with dual mode channel estimation fields (cefs) that may accommodate devices with different processing capabilities. In some examples, a frame that is generated comprises a first portion for transmission on separate channels, and a second portion for transmission using channel bonding. ... Qualcomm Incorporated

04/12/18 / #20180102915

Uplink voice and video enhancements

The present disclosure may provide technique(s) to configure a ue for asynchronous ul harq transmission. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

04/12/18 / #20180102887

Reporting of channel state information (csi) feedback by a user equipment

The present disclosure describes a method, an apparatus, and a computer readable medium for reporting channel state information (csi) feedback by a user equipment (ue). For example, the method may include identifying a plurality of reference signal (rs) configurations, determining a preferred rs configuration from the plurality of the rs configurations identified at the ue, and reporting the preferred rs configuration to the node. ... Qualcomm Incorporated

04/12/18 / #20180102879

Media access control header and transport block formats

Various aspects described herein relate to encoding or decoding a media access control (mac) layer transport block having an enhanced mac header format, a split and partial mac header, and a mac transport block design. A method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

04/12/18 / #20180102877

Adaptive codeword and codeblock selection in wireless communications

A transmitter may initiate multiple-input multiple-output (mimo) communications with a receiver in which a number of codewords used in mimo transmissions may be selected to provide enhanced communications for a particular service that is associated with the mimo transmission. In cases where a lower-latency service is identified, a mimo transmission may be configured with one codeword transmitted over multiple spatial layers, which may provide lower processing latency at a receiver relative to processing of multiple codewords. ... Qualcomm Incorporated

04/12/18 / #20180102826

Methods for assisting in beam sweeping, tracking and recovery

Certain aspects of the present disclosure provide various appropriate frame structures, sweep sequences, and procedures that may assist in beam sweeping, tracking and recovery.. . ... Qualcomm Incorporated

04/12/18 / #20180102821

Dynamic adjustment of transmission properties with continuous precoding

Aspects of the disclosure relate to a transmitting device, which may explicitly or implicitly signal the use of continuous precoding for a resource block (rb) cluster. For example, the transmitting device may implicitly indicate that continuous precoding is applied to an rb cluster by dynamically controlling one or more parameters of a transmission over those rbs. ... Qualcomm Incorporated

04/12/18 / #20180102807

Timing offset compensation for inter-link interference cancellation

Aspects of the disclosure relate to inter-link interference cancellation for reducing or mitigating interference from signals in different directions (e.g., uplink and downlink directions). A wireless communication device (i.e., a victim device subject to inter-link interference) may determine a time offset or lead time of an interfering signal from an offending device. ... Qualcomm Incorporated

04/12/18 / #20180102772

Duty cycle control buffer circuit

Certain aspects of the present disclosure generally relate to generating clock signals. For example, certain aspects of the present disclosure provide a multi-stage clock generation circuit. ... Qualcomm Incorporated

04/12/18 / #20180102740

Cascaded switch between pluralities of lnas

An apparatus includes a first plurality of low noise amplifiers (lnas) and a cascaded switch configured to route outputs of the first plurality of lnas to a second plurality of lnas.. . ... Qualcomm Incorporated

04/12/18 / #20180102675

Hybrid rectification for wireless power

Certain aspects of the present disclosure relate to methods and apparatus for hybrid rectification for wireless power. Certain aspects of the present disclosure provide a wireless power receiver. ... Qualcomm Incorporated

04/12/18 / #20180102472

Electrode structure for resistive memory device

A method includes patterning a photo resist layer on top of a semiconductor device. The semiconductor device includes a lower portion, a capping layer formed on top of the lower portion, and an optional oxide layer formed on top of the capping layer. ... Qualcomm Incorporated

04/12/18 / #20180102427

Single structure cascode device

A novel semiconductor power transistor is presented. The semiconductor structure is simple and is based on a mos configuration with a drift region and an additional gate that modulates the carrier density in the drift region, so that the control on the carrier transport is enhanced and the specific on-resistance per area is reduced. ... Qualcomm Incorporated

04/12/18 / #20180101957

Neural network for image processing

A method for processing an input in an artificial neural network (ann) includes receiving, at an operator layer of a set of operator layers, a first feature value based on the input from a decoder convolutional layer of a decoder. The operator layer also receives a second feature value based on the input from an encoder convolutional layer of a encoder. ... Qualcomm Incorporated

04/12/18 / #20180101711

Hybrid capacitive and ultrasonic sensing

Systems, methods and apparatus for configuring a fingerprint sensor to operate in a capacitive sensing mode and an ultrasonic sensing mode are disclosed. A fingerprint sensor may be configured to operate in a capacitive sensing mode by driving a sensing electrode using a controller. ... Qualcomm Incorporated

04/12/18 / #20180101669

Device to perform secure biometric authentication

Aspect may relate to a device that comprises a sensor and a first secure processor. The sensor may receive an input and generate raw data from the input. ... Qualcomm Incorporated

04/12/18 / #20180101173

Systems and methods for landing a drone on a moving base

A drone is described. The drone includes a depth sensor configured to provide information for determining a distance between the drone and a moving base. ... Qualcomm Incorporated

04/05/18 / #20180098378

Multiple basic service set identifier (bssid) indication

This disclosure provides systems, methods and apparatuses for enabling multiple bssid functionality. In some implementations, each bss of the multi-bss ap may transmit management frames with a multiple bssid element (mbe). ... Qualcomm Incorporated

04/05/18 / #20180098361

Signaling and determination of slot and mini-slot structure

Wireless communications systems, methods, and techniques related to signaling and determining slot and mini-slot structures are provided. A first wireless communication device transmits a first signal according to a first numerology including at least a first tone spacing. ... Qualcomm Incorporated

04/05/18 / #20180098359

Precoding management for random access procedures

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes transmitting precoder selection signals from at least two antennas of the ue during performance of a random access procedure over a wireless network; and receiving, from the wireless network during the random access procedure, an indication of a refined precoding setting for the ue. ... Qualcomm Incorporated

04/05/18 / #20180098358

Prach and/or srs switching enhancements

Certain aspects of the disclosure relate to techniques and apparatus for improving random access for srs switching in a wireless network. Prior to transmitting a srs, a ue may interrupt communication on a first carrier to switch from the first carrier to a second carrier to transmit a prach. ... Qualcomm Incorporated

04/05/18 / #20180098357

Prach and/or srs switching enhancements

Certain aspects of the disclosure relate to techniques and apparatus for improving random access for srs switching in a wireless network. Prior to transmitting a srs, a ue may interrupt communication on a first carrier to switch from the first carrier to a second carrier to transmit a prach. ... Qualcomm Incorporated

04/05/18 / #20180098355

Multiple timers for request to send and clear to send communications

Techniques for procedures using request to send/clear to send (rts/cts) procedures and multiple timers are described. A rts/cts procedure using multiple timers may use a first timer and a second timer. ... Qualcomm Incorporated

04/05/18 / #20180098350

Edca parameter set differentiation for different device types

Certain aspects of the present disclosure provide methods and apparatus for signaling enhanced distributed channel access (edca) parameter sets, with support for different device types. The apparatus typically includes a processing system configured to generate a frame with an indication of a type of device that is to use a particular enhanced distribution channel access (edca) parameter set and an interface for outputting a frame containing the tim ie for transmission. ... Qualcomm Incorporated

04/05/18 / #20180098349

Method and apparatus for scheduling multiple uplink grants of different types

Aspects of the present disclosure provide for scheduling multiple types of uplink grants for a single user equipment to support different types of service with different traffic patterns and quality of service (qos) requirements. In some aspects of the disclosure, the user equipment may be configured with uplink grants for different types of semi-persistent scheduling, along with a dynamic uplink grant. ... Qualcomm Incorporated

04/05/18 / #20180098348

Self-contained time division duplex (tdd) subframe structure for wireless communications

Aspects of the present disclosure provide a self-contained subframe structure for time division duplex (tdd) carriers. Information transmitted on a tdd carrier may be grouped into subframes, and each subframe can provide communications in both directions (e.g., uplink and downlink) to enable such communications without needing further information in another subframe. ... Qualcomm Incorporated

04/05/18 / #20180098342

Aligning slots allocated to extended cyclic prefix symbols with slots allocated to normal cyclic prefix symbols

In an embodiment, to avoid a misalignment between ncp and ecp symbols caused by an scs, at least a portion of a cp of at least one ecp symbol is punctured, and at least one startpoint of at least one ecp slot carrying the at least one punctured ecp symbol is aligned with at least one startpoint of at least one ncp slot carrying at least one ncp symbol. In another embodiment, a symbol control channel is scheduled within an initial control part of a slot before any other symbols are scheduled, and ncp symbols and ecp symbols are scheduled in a remaining data part of the slot that is after the initial control part. ... Qualcomm Incorporated

04/05/18 / #20180098341

Devices and methods for uplink control channel design in regular bursts for new radio (nr) networks

Wireless communication devices, such as a scheduled entity, are adapted to facilitate uplink transmissions on multiple physical uplink control channels (pucchs) of a regular burst period. According to one example, a scheduled entity may obtain a payload for an uplink transmission on a pucch. ... Qualcomm Incorporated

04/05/18 / #20180098335

Directional channel reservation for time-division multiplexing downlink and uplink data burst transmission

Methods, systems, and devices for wireless communication are described. A base station may communicate with multiple user equipments (ues) in a wireless system supporting directional transmission in shared spectrum (e.g., in millimeter wave (mmw) spectrum). ... Qualcomm Incorporated

04/05/18 / #20180098333

Scheduling carrier aggregation (ca)-capable and non-ca-capable user equipments (ues) using a resource bias parameter

Aspects of the present disclosure provide methods and apparatus for scheduling ues in a wireless cell. The method generally includes determining one or more characteristics of communications on a first cell for a first type of user equipments (ues) and a second type of ues. ... Qualcomm Incorporated

04/05/18 / #20180098317

Channelization for uplink transmissions

A method of wireless communication may include transmitting an uplink slot with a first control region, a second control region, and (e.g., optionally) a data region. Each region may include time resources and frequency resources. ... Qualcomm Incorporated

04/05/18 / #20180098316

Uplink control information

Various additional and alternative aspects are described herein. In some aspects, the present disclosure provides a method for wireless communication. ... Qualcomm Incorporated

04/05/18 / #20180098314

Positioning reference signal enhancements

Certain aspects of the present disclosure generally relate to wireless communications, and more specifically to positioning reference signal (prs) enhancements for enhanced machine type communication (emtc). An example method generally includes determining a first bandwidth within a larger system bandwidth to transmit a first positioning reference signal (prs) to a first type of user equipment (ue), determining a second bandwidth within the system bandwidth to transmit a second prs to a second type of ue, and transmitting information associated with the first prs and the second prs.. ... Qualcomm Incorporated

04/05/18 / #20180098308

Aspects of new radio pdcch design

The present disclosure describes various aspects of the implementation and design of physical downlink control channel (pdcch) in 5g new radio (nr) applications. Aspects include methods, apparatuses, and computer-readable medium for one or more of multiple pdcch search spaces, control resource block (crb), irregular multiple slots or mini-slots grants, or fast control channel signaling for grant-free uplink (ul). ... Qualcomm Incorporated

04/05/18 / #20180098307

Techniques for improved control channels

Methods, systems, and devices for wireless communication are described. A method may include receiving a control transmission from a base station, identifying a control channel search space organized according to a nested structure, the control channel search space including a plurality of control channel candidates associated with one or more control channel elements (cces) and an aggregation level, and searching the received control transmission to identify a control channel for the ue using the plurality of control channel candidates. ... Qualcomm Incorporated

04/05/18 / #20180098306

Methods and apparatus for power saving in broadcasting carrier information

The described aspects include methods and apparatus for activating a transmitter to communicate in a wireless network. A small cell can determine to activate the transmitter to serve user equipment (ue) in a wireless network. ... Qualcomm Incorporated

04/05/18 / #20180098303

Ieee 802.11 enhancements for high efficiency positioning

A ranging operation between an initiator device and a responder device may be performed by receiving, from the initiator device, a data frame including a request for the responder device to report its actual short interframe space (sifs) duration to the initiator device; creating a response frame; determining the actual sifs duration based on the received data frame and the response frame; embedding sifs information indicative of the actual sifs duration of the responder device into the response frame; and sending the response frame to the initiator device.. . ... Qualcomm Incorporated

04/05/18 / #20180098293

System and method that facilitates a coexistence of fifth generation new radio resource technology with narrowband internet-of-things technology

Aspects of the disclosure relate to a coexistence of a first radio access technology (rat), such as a fifth generation (5g) new radio (nr) technology with a second rat, such as a narrow-band internet-of-things (nb-iot) technology. In a first aspect, a 5g nr resource block size and an nb-iot resource block size are defined, and a compatible alignment of an nb-iot resource block and a 5g nr resource block is identified. ... Qualcomm Incorporated

04/05/18 / #20180098292

User equipment transmission management for dynamically varying transmission emission requirements

A method, computer-readable medium, and apparatus operate to reduce or eliminate interference with one or more other communication systems having specific transmission requirements within a specific geographic area. For example, aspects operate by determining that a user equipment (ue) is in a protection zone where additional transmission requirements apply. ... Qualcomm Incorporated

04/05/18 / #20180098287

Discontinuous reception mode with two-stage wake-up

Systems and method of embodiments herein operate to conserve battery power of user equipment (ue). Embodiments determine whether waking up a ue receiver would be beneficial and based on the determination, the ue either wakes up the receiver or returns to sleep. ... Qualcomm Incorporated

04/05/18 / #20180098279

Systems and methods to enable combined periodic and triggered location of a mobile device

Methods and techniques are described for initiating a periodic and triggered location in a target ue. After lcs client requests initiation of periodic and triggered location reporting from the ue, two intermediate responses are returned by a network. ... Qualcomm Incorporated

04/05/18 / #20180098258

Inter-rat mobility measurements and operations to support ue connectivity

Methods, systems, and devices for wireless communication are described. To avoid radio link failure (rlf) events for user equipment (ues) in areas determined to have less reliable cellular communications coverage, a ue may adjust transmission of and timing for certain types of wireless communication messages, including those with measurement reports. ... Qualcomm Incorporated

04/05/18 / #20180098255

Enhanced capability exchange procedure for radio access technology change

Certain aspects of the present disclosure relate to methods and apparatus for enhanced user equipment (ue) capability exchange for transitioning a connection from a first radio access technology system to a second radio access technology system. An exemplary method performed by a ue includes communicating with a first base station (bs) via a connection of a first radio access technology (rat), determining, based on the first rat, to omit a set of capabilities of the ue from capabilities information of the ue regarding a second rat, transmitting the capabilities information of the ue regarding the second rat to the first bs via the first rat, communicating with a second bs via the second rat according to the capabilities information, and sending an update of the capabilities information of the ue regarding the second rat via the second rat.. ... Qualcomm Incorporated

04/05/18 / #20180098252

Signaling to indicate whether physical broadcast channel repetition is enabled in a target cell

The present disclosure provides a mechanism that may allow a ue to determine whether pbch repetition is enabled in the target cell without performing a hypothesis test. For example, the apparatus may receive a handover message from a serving cell. ... Qualcomm Incorporated

04/05/18 / #20180098240

Processing a data packet received over control plane in congestion scenario

Certain aspects of the present disclosure relate to methods and apparatus for communicating data between a user-equipment and network entity. For example, certain aspects of the present disclosure provide a method for wireless communication. ... Qualcomm Incorporated

04/05/18 / #20180098225

Signature sequence-based signaling and allocation of resources of a shared spectrum

Aspects of the disclosure relate to wireless communication systems configured to share a shared spectrum with one or more other systems (e.g., other operator networks utilizing the same radio access technology, and/or other networks utilizing different radio access technologies). Coexistence between the different systems on the shared spectrum may be provided by utilizing a technology-neutral signature waveform such as a signature sequence or discovery signal. ... Qualcomm Incorporated

04/05/18 / #20180098089

Adaptive motion vector precision for video coding

A method of decoding video data, including receiving an encoded block of video data that was encoded using an inter-prediction mode, receiving one or more syntax elements indicating a motion vector difference (mvd) associated with the encoded block of video data, determining a current mvd precision, from three or more mvd precisions, for the one or more syntax elements indicating the mvd, wherein the three or more mvd precisions include an n-sample mvd precision, where n is an integer indicating a number of samples indicated by each successive codeword of the one or more syntax elements indicating the mvd, and wherein n is greater than 1, decoding the one or more syntax elements indicating the mvd using the determined current mvd precision, and decoding the encoded block of video data using the decoded mvd.. . ... Qualcomm Incorporated

04/05/18 / #20180098087

Frame rate up-conversion coding mode

Methods, apparatuses, and computer-readable medium are provided for a frame rate up-conversion coding mode, where a bilateral matching mode can be used to determine motion information. In various implementations, local illumination compensation is disallowed from being used for a block when a bilateral matching mode is used for the block. ... Qualcomm Incorporated

04/05/18 / #20180098086

Systems and methods of performing improved local illumination compensation

Techniques and systems are provided for processing video data. For example, video data can be obtained for processing by an encoding device or a decoding device. ... Qualcomm Incorporated

04/05/18 / #20180098081

Transform selection for video coding

A device for video coding is configured to determine a characteristic of a predictive block of a current block of a current picture; identify a transform for decoding the current block based on the characteristic; inverse transform coefficients to determine a residual block for the current block; and add the residual block to a predictive block of the current block to decode the current block.. . ... Qualcomm Incorporated

04/05/18 / #20180098079

Systems and methods of adaptively determining template size for illumination compensation

Techniques and systems are provided for processing video data. For example, a current block of a picture of the video data can be obtained for processing by an encoding device or a decoding device. ... Qualcomm Incorporated

04/05/18 / #20180098072

Memory and bandwidth reduction of stored data in image/video coding

A device for processing video data stores one or more context statuses for a binary arithmetic coder at a bit depth of k; initializes an n-bit binary arithmetic coder with values for context variables for one of the one or more stored context statuses from previously coded blocks; codes the one or more blocks of the video data with the initialized n-bit binary arithmetic coder, wherein n and k are both positive integer values and k is smaller than n. A device for processing video data determines a set of one or more fixed filters with k-bit precision and determines a set of one or more derived filters with n-bit precision based on the set of one or more fixed filters with k-bit precision, wherein k and n are integers and k is less than n.. ... Qualcomm Incorporated

04/05/18 / #20180098070

Systems and methods for adaptive selection of weights for video coding

Techniques and systems are provided for processing video data. For example, a current block of a picture of the video data can be obtained for processing by an encoding device or a decoding device. ... Qualcomm Incorporated

04/05/18 / #20180098066

Systems and methods of switching interpolation filters

Systems, methods, and apparatus are provided for adaptively switching interpolation filters during the encoding of video data or the decoding of a video bitstream. In various implementations, a set of interpolation filters can be defined and made available to coding device. ... Qualcomm Incorporated

04/05/18 / #20180098065

Peak sample adaptive offset

A video coder compares a first sample of a current block to a first set of neighbor samples to determine a first difference value; determines a first offset for the first sample based on the first difference value; compares a second sample of the current block to a second set of neighbor samples to determine a second difference value that has a same sign as the first difference value; determines an offset for the second sample, that is different than the offset for the first sample, based on the second difference value; and applies the first offset to the first sample value and the second offset to the second sample value to generate a filtered image.. . ... Qualcomm Incorporated

04/05/18 / #20180098064

Variable number of intra modes for video coding

A video coder determines a first block of the video data is intra mode coded; based on a first height and the first width of the first block, identifies a group of n available intra prediction modes for the first block of video data; selects from the group of n available intra prediction modes, a first intra prediction mode used to code the first block of the video data; and codes the first block using the first intra prediction mode. A video coder generates a first most probable mode (mpm) candidate list for the block; codes a first flag indicating an actual intra prediction mode used to code the block is not included in the first mpm candidate list; generates a second mpm candidate list by deriving at least one candidate intra prediction mode based on an intra prediction mode in the first mpm candidate list.. ... Qualcomm Incorporated

04/05/18 / #20180098063

Motion vector prediction for affine motion models in video coding

A video decoder selects a source affine block. The source affine block is an affine-coded block that spatially neighbors a current block. ... Qualcomm Incorporated

04/05/18 / #20180098062

Frame rate up-conversion coding mode

Methods, apparatuses, and computer-readable medium are provided for a frame rate up-conversion coding mode, in which an affine motion model is applied when conducting bilateral matching. The frame rate up-conversion coding mode can include generated additional frames from frames provided in a bitstream. ... Qualcomm Incorporated

04/05/18 / #20180097724

Tree structured spreading codes

Various additional and alternative aspects are described herein. In some aspects, the present disclosure provides a method of communication by an apparatus. ... Qualcomm Incorporated

04/05/18 / #20180097671

Virtual symbol splitting techniques in wireless communications

Techniques are described that provide for virtual symbol splitting for uplink and/or downlink wireless transmissions. A wireless transmitter, such as a ue or a base station, may identify a pilot signal and a payload to be transmitted in a full symbol. ... Qualcomm Incorporated

04/05/18 / #20180097667

Inter-enb over-the-air calibration for reciprocity-based coordinated multipoint communications

Wireless communications systems and methods related to over-the-air uplink-downlink (ul-dl) reciprocity calibration. A central unit transmits downlink (dl) calibration reference signal (rs) and a calibration request. ... Qualcomm Incorporated

04/05/18 / #20180097663

Demodulation reference signal management in new radio

Aspects of the present disclosure disclose techniques for implementing a wideband reference signal to improve the narrowband channel estimation performance associated with narrowband demodulation reference signal (dmrs) for the data channel in nr communications. Specifically, because the wideband reference signal may occupy wider bandwidth than the dmrs, the channel estimation realized may be more accurate than solely relying on the narrowband dmrs. ... Qualcomm Incorporated

04/05/18 / #20180097651

Methods to discover, configure, and leverage relationships in internet of things (iot) networks

The disclosure generally relates to various methods to discover, configure, and leverage relationships in internet of things (iot) networks. More particularly, the methods disclosed herein may support automated processes to create configurable sub-divisions and access controls in an iot network based on usage associated with objects that are registered in the iot network and interactions among the registered objects. ... Qualcomm Incorporated

04/05/18 / #20180097598

Use of reference signals to improve user equipment (ue) warm-up before transitioning from an off duration of the ue to an on duration of the ue with respect to a radio frequency spectrum band

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes identifying a transmission timing of a control reference signal transmitted over a radio frequency spectrum band during an off duration of the ue with respect to the radio frequency spectrum band, in which the identified transmission timing is relative to a transition from the off duration to an on duration of the ue with respect to the radio frequency spectrum band; receiving the control reference signal at the identified transmission timing; and performing a warm-up procedure, before the on duration, based at least in part on the identified transmission timing of the control reference signal. ... Qualcomm Incorporated

04/05/18 / #20180097596

Scheduling for positioning reference signal (prs) in narrowband-internet of things (nb-iot)

Wireless communications systems and methods related to communicating positioning reference signals (prss) for narrowband communication are provided. A first wireless communication device determines a time-frequency prs pattern based at least in part on a narrowband communication frequency band configuration and a prs subframe configuration mode associated with a set of subframes. ... Qualcomm Incorporated

04/05/18 / #20180097595

Joint transmission of precoded and unprecoded sounding reference signals in uplink

Both precoded sounding reference signals (srs) and unprecoded srs are transmitted from a ue to an enb. The ue may transmit both in the same subframe using either tdm or fdm. ... Qualcomm Incorporated

04/05/18 / #20180097594

Reference signal design

Various additional and alternative aspects are described herein. In some aspects, the present disclosure provides a method for wireless communication. ... Qualcomm Incorporated

04/05/18 / #20180097591

Rach transmission using multiple ports

A rach preamble is transmitted from a ue using multiple antenna ports. A ue splits a data stream containing a rach preamble into multiple streams corresponding to a same number of antenna ports of the ue. ... Qualcomm Incorporated

04/05/18 / #20180097590

Uplink (ul) random access channel (rach) and mobility signals

Wireless communications systems and methods related to random access and uplink (ul)-based mobility are provided. A first wireless communication device transmits a first signal carrying a random access sequence and a data. ... Qualcomm Incorporated

04/05/18 / #20180097556

Fast beam recovery using beam information in the measurement report

Certain aspects of the present disclosure provide various techniques for beam recovery. For example, a method for wireless communication by a network entity may include providing configuration information to a user equipment (ue) indicating a sequence of target beams and timing information to try each target beam in the sequence, and attempting to communicate with the ue using one or more of the target beams according to the timing information, in response to a beam failure.. ... Qualcomm Incorporated

04/05/18 / #20180097541

Coverage enhancement and normal modes switching related optimization

Coverage enhancements and coverage mode switching related optimizations are discussed for user equipments (ues) that may switch between various coverage extension (ce) and non-ce modes of operation. In such enhancements, paging uncertainty and delays may be reduced by sending pages either simultaneously or using historical information over multiple coverage modes available to ues. ... Qualcomm Incorporated

04/05/18 / #20180097534

Adaptive cyclic-shift based multiplexing

Aspects of the present disclosure provide techniques for using cyclic-shifts in code division multiplexing to shift transmitted signals (e.g., reference signals, control signals, and/or data) from different antenna ports of the transmitting device. Particularly, for multiple-input multiple-output (mimo) systems that multiply the capacity of a radio link by using multiple transmit and receive antennas to exploit multipath propagation, aspects of the present disclosure minimize interference at the receiving device by separating the signals from different antenna ports based on the channel impulse response (or delay spread) of each antenna port of the channel. ... Qualcomm Incorporated

04/05/18 / #20180096487

Systems and methods for fusing images

A method performed by an electronic device is described. The method includes obtaining a first image from a first camera, the first camera having a first focal length and a first field of view. ... Qualcomm Incorporated

04/05/18 / #20180095697

Bus encoding using metadata

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

04/05/18 / #20180095304

Systems and methods for light beam position detection

Disclosed herein are techniques for determining the position of a light beam on a beam shaping device. A feature can be formed on the beam shaping device to affect at least a portion of a light beam when the feature is illuminated by the light beam. ... Qualcomm Incorporated

04/05/18 / #20180094933

Utilizing processing units to control temperature

Various embodiments include methods for performing temperature calibration of a first temperature sensitive unit with an electronic device having a first processing unit that is thermally coupled to the first temperature sensitive unit. Various embodiments may include determining a current temperature of the first temperature sensitive unit, determining a processing load for the first processing unit based on the current temperature and a target temperature, applying the determined processing load to the first processing unit to vary a temperature of the first temperature sensitive unit, and determining a temperature bias for the first temperature sensitive unit at the temperature of the first temperature sensitive unit based on an output of the first temperature sensitive unit.. ... Qualcomm Incorporated

03/29/18 / #20180092159

Uplink (ul)-based mobility via immediate and delayed keep alive (ka) signals

Aspects of the present disclosure provide methods and apparatus for improving ul-based mobility. As described herein, a ue may determine it has failed to decode a first keep alive (ka) signal during a wake period of a discontinuous receive (drx) cycle and may extend the wake period to monitor for a second ka signal, in response to the determination. ... Qualcomm Incorporated

03/29/18 / #20180092125

Dynamic grant-free and grant-based uplink transmissions

Wireless communications systems and methods related to performing hybrid grant-free and grant-based uplink (ul) data transmission. A wireless communication device dynamically selects between a grant-free mode and a grant-based mode based on at least a transmission configuration. ... Qualcomm Incorporated

03/29/18 / #20180092115

Reliable wi-fi packet delivery using delayed/scheduled block acknowledgment mechanism

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In an aspect, an apparatus may be configured to transmit a first packet to a second wireless, the first packet comprising an ack policy indicator within a mac header of the first packet requesting a delayed ack or a scheduled ack in response to the first packet, to transmit a second packet to a second wireless, the second packet comprising a second ack policy indicator within a second mac header of the second packet requesting the delayed ack or the scheduled ack in response to the second packet, and to receive the delayed ack or the scheduled ack based on the first ack policy indicator and the second ack policy indicator.. ... Qualcomm Incorporated

03/29/18 / #20180092111

Maximizing a frame's arrangement thereby increasing processing time available to processors

Embodiments herein maximize frame usage by selectively arranging the data within the frame thereby giving the transmitting processor additional time generate and transmit the data within the frame without increasing the time gap g of the frame and without increasing the overall length of the frame. Further, the selective arrangement also gives the receiving processor additional time to process the data of the frame and send ack/nack information regarding the success/failure of the processing without increasing the time gap g of the frame and without increasing the overall length of the frame. ... Qualcomm Incorporated

03/29/18 / #20180092110

Modulation and coding scheme (mcs) and/or rank selection in coordinated multi-point (comp) communication

Certain aspects of the present disclosure provide techniques for mcs and/or rank selection for ue jointly served by bss in a comp cluster. As described herein, mcs and/or rank selection may be based, at least in part, on the inter-cluster interference and intra-cluster interference experienced by the ue. ... Qualcomm Incorporated

03/29/18 / #20180092106

Techniques for scheduling unicast and multicast wireless communications

Various aspects relate to determining whether one or more subframes are multicast-broadcast single-frequency network (mbsfn) subframes. A user equipment (ue) can receive, from a base station, a system information broadcast signal that includes an indication of one or more subframes as mbsfn subframes, and a subsequent system information broadcast signal that indicates at least scheduling information for a multicast control channel (mcch) in at least a portion of the one or more subframes. ... Qualcomm Incorporated

03/29/18 / #20180092095

Waveform selection in wireless communications

Techniques are described that provide for waveform selection for uplink (ul) and/or downlink (dl) wireless transmissions based on one or more factors associated with the wireless transmission, a transmitter that is to transmit the wireless transmission, or combinations thereof. Ul and dl transmissions may use one of a number of different waveforms, such as single-carrier waveforms that use a single carrier for information transmission of a wireless channel, and multi-carrier waveforms that use multiple carriers at different frequencies to transmit some of the bits on each channel. ... Qualcomm Incorporated

03/29/18 / #20180092094

Uplink based mobility

Systems and methods for enabling and providing uplink based mobility procedures are disclosed. Embodiments provide uplink based mobility procedures in which one or more physical channel typically used to facilitate uplink based mobility is not utilized. ... Qualcomm Incorporated

03/29/18 / #20180092083

Triggers for user equipment transmissions to support uplink based mobility

Certain aspects of the present disclosure provide triggers for user equipment (ue) transmissions to support uplink based mobility in a wireless communication system. According to certain aspects, a method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/29/18 / #20180092081

Resource allocation patterns for scheduling services in a wireless network

Certain aspects of the present disclosure provide techniques for determination, selection, configuration, and/or indication of resource allocation patterns for scheduling services, such as reliable low-latency services (e.g., ultra-reliable low latency communications (urllc)) and other services in a wireless network, such as new radio (nr) (e.g., a 5g network). A method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/29/18 / #20180092063

Uplink and downlink based mobility with single frequency network paging and/or keep alive signals

Certain aspects of the present disclosure provide techniques for uplink and downlink based mobility using single frequency network (sfn) paging and/or keep alive (ka) signals in a wireless network, such as new radio (nr). According to certain aspects, a method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/29/18 / #20180092056

Devices and methods for facilitating multiple synchronization channels within a single carrier

Wireless communication devices are adapted to facilitate multiple synchronization channels within a single carrier. In some examples, an apparatus for wireless communication may transmit a first synchronization channel at a first frequency in a carrier bandwidth, and at least one additional synchronization channel at a different respective frequency in the carrier bandwidth. ... Qualcomm Incorporated

03/29/18 / #20180092054

Uplink-based mobility without downlink zone signals

Certain aspects of the present disclosure provide techniques for supporting ul-based mobility without dl zone signals. A dl zone signal may refer to a zone synchronization signal or a zone measurement reference signal. ... Qualcomm Incorporated

03/29/18 / #20180092048

Transmit power gain calibration and compensation

Methods, systems, and devices for wireless communication are described. A wireless device may transmit a first calibration packet at a first power level. ... Qualcomm Incorporated

03/29/18 / #20180092043

Handling transmissions after pause in elaa

Handling transmissions in enhanced license assisted access (elaa) networks is discussed. Specifically, when pauses occur in transmissions on contention-based shared channels involved in elaa communications, various procedures may be used to restart transmissions on the contention-based shared channels on the uplink when the original channel occupancy was reserved by a serving base station.. ... Qualcomm Incorporated

03/29/18 / #20180092002

Bandwidth group (bwg) for enhanced channel and interference mitigation in 5g new radio

A method at a scheduling entity might include determining that interference is present from a neighboring scheduling entity, which implements a second subcarrier spacing that is different from a first subcarrier spacing of the scheduling entity. The scheduling entity might request the neighboring scheduling entity to negotiate a bandwidth group (bwg), where the bwg is a bandwidth occupied by downlink subcarriers within which a transmission parameter is maintained. ... Qualcomm Incorporated

03/29/18 / #20180091994

Techniques for wlan measurements for unlicensed spectrum communications

A method and apparatus provide for configuring wlan measurements for unlicensed spectrum communications. The method and apparatus include receiving, at a network entity, a ue capability message and a reporting message from a ue, determining whether the ue is capable of communicating over the unlicensed spectrum and supports wlan measurements based on the ue capability message and the reporting message, and transmitting, to the ue, a measurement configuration message including a measurement configuration identifier in accordance with the determination that the ue is capable of communicating over the unlicensed spectrum and supports wlan measurements. ... Qualcomm Incorporated

03/29/18 / #20180091980

Signature sequence for system identification in a shared spectrum

Aspects of the disclosure relate to wireless communication systems configured to share a shared spectrum with one or more other systems (e.g., other operator networks utilizing the same radio access technology, and/or other networks utilizing different radio access technologies). Coexistence between the different systems on the shared spectrum may be provided by utilizing a technology-neutral signature waveform such as a signature sequence. ... Qualcomm Incorporated

03/29/18 / #20180091968

Techniques for mobility mode selection in uplink-based and downlink-based mobility

Various aspects described herein relate to techniques for mobility mode selection in uplink-based and downlink-based mobility in wireless communications systems. In an aspect, a method for wireless communications may include determining that a user equipment (ue) is operating in a first mobility mode, determining whether the ue satisfies at least one condition associated with mobility of the ue for mobility mode selection, and selecting a second mobility mode based on a determination that the ue satisfies the at least one condition, wherein each of the first mobility mode and the second mobility mode is an uplink mobility mode or a downlink mobility mode. ... Qualcomm Incorporated

03/29/18 / #20180091959

Adaptive modulation order for multi-user superposition transmissions with non-aligned resources

Multi-user superposition transmissions (musts) on non-aligned resources are described. A base station may schedule a transmission to an enhancement layer user equipment (ue) and a base layer ue. ... Qualcomm Incorporated

03/29/18 / #20180091946

Measurement batching

Method, mobile device, computer program product, and apparatus for performing fine grain position data collection is described. In one aspect a mobile device performs measurement batching of data, for example positioning and ap measurement data. ... Qualcomm Incorporated

03/29/18 / #20180091939

Geofenced access point measurement data collection

Method, mobile device, computer program product, and apparatus relating to designating and implementing a geofence containing an ap measurement data configuration. The ap measurement data configuration may be used to specify how a mobile device should to perform while within the geofence. ... Qualcomm Incorporated

03/29/18 / #20180091825

Interpolation filters for intra prediction in video coding

Techniques are described in which a video coder is configured to determine, using one or more characteristics of an interpolation filter, a number of reference samples to be stored at a reference buffer. The video coder is further configured to generate a plurality of values corresponding to the number of reference samples in the reference buffer. ... Qualcomm Incorporated

03/29/18 / #20180091816

Motion vector coding for video coding

Coding a motion vector difference (mvd) during an inter-prediction process. Example techniques may include determining a particular coding and/or signaling method for an mvd from among two or more mvd coding and/or signaling techniques. ... Qualcomm Incorporated

03/29/18 / #20180091737

Systems and methods to reduce actuator power leakage

One innovation includes an imaging device having an image sensor, a lens having a movable optical element, and an actuator operative to move the one optical element to a plurality of lens positions. The imaging device further includes an electronic display, a power source electrically coupled to the camera system and to the display, the power source (e.g., voltage regulator) configured to provide power to the display and the camera system, a memory circuit configured to store information representing an actuator control value that corresponds to a low-power focus position, and an electronic hardware processor coupled to the memory circuit, the actuator and the electronic display. ... Qualcomm Incorporated

03/29/18 / #20180091632

Methods and apparatus for packet acquisition in mixed-rate wireless communication networks

A method of wirelessly communicating a packet includes generating, at a first wireless device, a first packet including a first preamble decodable by a plurality of devices and a second preamble decodable by only a subset of the plurality of devices. The first preamble includes a first signal field. ... Qualcomm Incorporated

03/29/18 / #20180091560

Methods and systems for virtual conference system using personal communication devices

A method for managing jitter includes determining, by a processor of a master device, at least one of device capabilities of at least one satellite device, device capabilities of the master device, or channel conditions; determining, by the processor of the master device, a de-jitter buffer size based on the at least one of the device capabilities of the at least one satellite device, the device capabilities of the master device, or the channel conditions; and applying, by the processor of the master device, de-jitter buffer having the determined de-jitter buffer size.. . ... Qualcomm Incorporated

03/29/18 / #20180091553

Methods and devices for protecting network endpoints

Various embodiments provide methods, devices, and non-transitory processor-readable storage media enabling dynamically modifying the polling frequency of endpoint devices within an endpoint protection system. Various embodiments may include determining, by an endpoint device of a network environment, whether communication device endpoint protection is active on the endpoint device. ... Qualcomm Incorporated

03/29/18 / #20180091551

Techniques for tls / ipsec acceleration in data centers

Techniques for establishing one or more end-to-end secure channels in a data center are provided. A method according to these techniques includes obtaining, at a secure module (sm) associated with a virtual machine (vm) operating on a node of the data center, a vm-specific signature key for the vm from a hardware security module (hsm), and performing a cryptographic signing operation at the sm associated with establishing an end-to-end secure channel between the vm and another networked entity using the vm-specific signature key responsive to a request from the vm.. ... Qualcomm Incorporated

03/29/18 / #20180091526

Mitigating an internet of things (iot) worm

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media for mitigating an internet of things (iot) worm. In one aspect, a processor of a router device may randomly select a plurality of internet protocol (ip) addresses. ... Qualcomm Incorporated

03/29/18 / #20180091485

Access stratum security for efficient packet processing

Certain aspects of the present disclosure provide techniques for managing security keys for enciphering and deciphering packets transmitted in a wireless communications system. According to certain aspects, a method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/29/18 / #20180091373

Adaptive scalable numerology for high speed train scenarios

The present disclosure provides for adaptive resource management in new radio operations that adapts a numerology including a subcarrier spacing and/or cyclic prefix for a user equipment (ue) traveling at a high speed. A base station may transmit via a plurality of remote radio heads (rrh) to a user equipment (ue) is moving along a high speed track. ... Qualcomm Incorporated

03/29/18 / #20180091350

Enhancements to phase-noise compensation reference signal design and scrambling

Methods, systems, and devices for wireless communication are described. In one example, phase-noise compensation tracking signals (ptrs) may be transmitted using sets of resource blocks (rbs), where a frequency for each ptrs within the sets rbs is different from a frequency corresponding to a direct current (dc) tone. ... Qualcomm Incorporated

03/29/18 / #20180091341

Methods and apparatus for using synchronization signals as reference for demodulating multi-port broadcast channel

Various features related to using a multi-port synchronization signal as reference for demodulating a multi-port broadcast channel are described. In an aspect, a synchronization signal, e.g., sss, may be repurposed to serve as a demodulation reference for a downlink channel, e.g., pbch, thereby obviating the need for a base station to send an additional reference signal for pbch demodulation. ... Qualcomm Incorporated

03/29/18 / #20180091333

Apparatus and method for transmitting data signal based on various transmission modes

A transmit driver or transmitter is provided to generate an output data signal based on different input modes, such as low speed (ls), full speed (fs), high speed (hs), and high speed interconnect (hsic) modes of a universal serial bus (usb) standard. The transmit driver includes a rail voltage generator for generating a rail voltage for a set of transmit driver slices based on the selected mode. ... Qualcomm Incorporated

03/29/18 / #20180091315

Revocation and updating of compromised root of trust (rot)

Disclosed are implementation for revoking and updating a compromised root-of-trust (rot), including a method comprising determining whether a current validation value, representative of an expected value resulting from application of a validation function to a current certificate, is to be replaced, with the current validation value being stored in a write-restricted non-volatile memory unit of the device. The method also comprises determining at boot time whether a physical presence indicator, configured to be non-actuatable from non-proximate locations, is set to a value indicating that an actuation mechanism (for actuating the physical presence indicator so as to cause content change for the write-restricted memory), has established physical presence with the device, and providing a new validation value in response to determining that the current validation value is to be replaced and that the physical presence indicator indicates that physical presence has been established.. ... Qualcomm Incorporated

03/29/18 / #20180091287

Devices and methods for facilitating scalable synchronization channels

Wireless communication devices are adapted to facilitate scalable synchronization channels in a wireless communications system. According to one example, a wireless communication device may identify a reference synchronization channel including a reference bandwidth and a reference numerology, where the reference numerology includes a reference subcarrier spacing and a reference cyclic prefix. ... Qualcomm Incorporated

03/29/18 / #20180091285

Dynamic time division duplexing

Methods, systems, and devices for wireless communication are described. A base station may allocate resources for communication with a user equipment (ue). ... Qualcomm Incorporated

03/29/18 / #20180091278

Enhanced transmission acknowledgment delivery and processing

Systems and methods adapted to provide transmission of communication acknowledgments to facilitate effective delivery and processing of acknowledgments are disclosed. Embodiments may utilize one or more special definition of header and/or control bits (e.g., length indicator, extension field, etc.), special grants (e.g., a grant to carry control pdus and/or data pdus with one or more acks), and/or one or more special logical channel/radio bearer (e.g., a logical channel having higher priority than regular data bearer traffic) for delivery of acknowledgments, to expedite processing of the acknowledgments, etc. ... Qualcomm Incorporated

03/29/18 / #20180091276

Techniques for dynamic demodulation reference signal patterns for data transmission

Methods and apparatuses for demodulation reference signal (dmrs) transmission are described. At a user equipment (ue), a method and apparatus may include receiving, from a network entity, a transmission configuration indication including a dmrs pattern for configuring dmrs transmission on a communication channel. ... Qualcomm Incorporated

03/29/18 / #20180091274

Use of uplink beam tracking results in reference symbol sessions

Methods, systems, and devices for wireless communication are described. A network device, such as a base station, may transmit a request message to a user equipment (ue). ... Qualcomm Incorporated

03/29/18 / #20180091257

Mu rate adaptation with transmission power awareness

A method for multi-user multiple-input multiple-output (mu-mimo) communications between a communications device and a client station (sta). The communications device may initiate mu-mimo transmissions to the sta according to a first modulation and coding scheme (mcs) and a first transmission power. ... Qualcomm Incorporated

03/29/18 / #20180091221

Selective pixel activation for light-based communication processing

Disclosed are methods, systems, devices, apparatus, computer-/processor-readable media, and other implementations, including a method to process one or more light-based signals that includes determining mobile device data and coarse previous field-of-view (fov) data representative of pixels of a light-capture device of a mobile device that detected light-based signals from at least one light device located in an area where the mobile device is located, determining, based on the mobile device data and the coarse previous fov data, predicted one or more pixels of the light-capture device of the mobile device likely to receive light signals from one or more light devices, in the area where the mobile device is located, capable of emitting one or more light-based communications, and activating the predicted one or more pixels of the light-capture device.. . ... Qualcomm Incorporated

03/29/18 / #20180091206

Method and apparatus for optimizing power distribution between symbols

A method, an apparatus, and a computer program product for wireless communication are provided in which a scrambling sequence vector pair associated with a scrambling sequence matrix with a high level of frequency domain orthogonalization is determined. A spreading sequence vector pair associated with a spreading sequence matrix with a low level of time domain orthogonalization is determined. ... Qualcomm Incorporated

03/29/18 / #20180091204

Use of downlink beam tracking results in reference symbol sessions

Methods, systems, and devices for wireless communication are described. A network device, such as a base station, may transmit a set of reference symbols to a user equipment (ue). ... Qualcomm Incorporated

03/29/18 / #20180091197

Techniques for determining uplink precoding matrix for a user equipment

Certain aspects of the present disclosure provide techniques for determining precodings of signals transmitted in a wireless communications system. According to certain aspects, a method of wireless communication by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/29/18 / #20180091179

Implementation of improved omni mode signal reception

In an aspect of the disclosure, an apparatus for wireless communication is provided. The apparatus may include several detectors, each of which may be configured to detect a signal received by a corresponding antenna of several antennas. ... Qualcomm Incorporated

03/29/18 / #20180091108

Optimization for energy efficient multi-channel communication with shared lna structure

A method, a computer-readable medium, and an apparatus are disclosed for energy efficient multichannel communications. In one aspect, the apparatus may communicate using a plurality of channels working in parallel where the plurality of channels may share an lna. ... Qualcomm Incorporated

03/29/18 / #20180091044

Embedded charge pump voltage regulator

Certain aspects of the present disclosure provide methods and apparatus for implementing a voltage regulator. The voltage regulator includes a power field effect transistor (fet) comprising a gate terminal. ... Qualcomm Incorporated

03/29/18 / #20180091033

In-body power harvesting using flowing fluids

The present disclosure describes aspects of in-body power harvesting using flowing fluids. In some aspects, an apparatus comprises a magnetic field generator configured to generate a magnetic field to deflect charged particles of a fluid flowing through the body in a space formed by a vessel. ... Qualcomm Incorporated

03/29/18 / #20180090475

Backside ground plane for integrated circuit

An integrated circuit (ic) device includes a die having an integrated passive device (ipd) layer. The integrated circuit device also includes a substrate supporting the die, a molding compound surrounding the die. ... Qualcomm Incorporated

03/29/18 / #20180089448

Obfuscating the locations of access points and femtocells

Methods and apparatuses are presented for obfuscating the locations of terrestrial wireless transceivers, including wireless access points and femtocells. According to some embodiments, a method may receive, by a mobile device, data for a terrestrial wireless transceiver, wherein the data includes location coordinates of the terrestrial wireless transceiver, and wherein the location coordinates include an error term. ... Qualcomm Incorporated

03/29/18 / #20180089094

Precise invalidation of virtually tagged caches

Systems and methods for precise invalidation of cache lines of a virtually indexed virtually tagged (vivt) cache include associating, with each cache line of the vivt cache, at least a translation lookaside buffer (tlb) index corresponding to a tlb entry which comprises a virtual address to physical address translation for the cache line. The tlb entries are inclusive of the cache lines of the vivt cache. ... Qualcomm Incorporated

03/29/18 / #20180089085

Reusing trained prefetchers

A proposed prefetcher may operate at a cache level where accesses are conducted using physical addresses. The proposed prefetcher may include one or more prefetch engines. ... Qualcomm Incorporated

03/29/18 / #20180088829

Area efficient architecture for multi way read on highly associative content addressable memory (cam) arrays

Aspects disclosed herein relate to techniques and an efficient architecture for enabling multi-way reads on highly associative content addressable memory (cam) arrays. For example, a method for performing a tag search of a tag array can include reading a first subset of stored tag bits from multiple entries of the tag array, and comparing a second subset of stored tag bits from a one or more entries of the tag array against a search-tag to produce one or more possible way hit signals.. ... Qualcomm Incorporated

03/29/18 / #20180088659

Cache memory clock generation circuits for reducing power consumption and read errors in cache memory

Cache memory clock generation circuits for reducing power consumption and read errors in cache memory are provided. In one aspect, a cache memory clock generation circuit employs detector circuit configured to receive a way address and generate a one way hit signal indicating if cache read request results in a single way hit. ... Qualcomm Incorporated

03/29/18 / #20180088208

Systems and methods for power optimization in vlc positioning

Embodiments of systems and methods of power optimization in vlc positioning are disclosed. In one embodiment, a method of power optimization in visible light communication (vlc) positioning of a mobile device comprises receiving, by a transceiver, positioning assistance data of a venue, where the positioning assistance data includes identifiers and positions of light fixtures in the venue, decoding, by a vlc signal decoder, one or more light fixtures within a field of view of the mobile device to obtain corresponding light fixture identifiers, determining, by a controller, a motion of the mobile device with respect to the one or more light fixtures based on the light fixture identifiers and the positioning assistance data of the venue, and controlling, by the controller, the mobile device to operate in a reduced power mode based on the motion of the mobile device with respect to the one or more light fixtures.. ... Qualcomm Incorporated

03/29/18 / #20180087909

Method and apparatus for beacon data collection

Method, mobile device, computer program product, and apparatus relating to beacon data collection. A user context at a mobile device may be obtained and a recommended configuration for beacon data collection can be determined according to the recommended configuration. ... Qualcomm Incorporated

03/29/18 / #20180087904

Pedestrian sensor assistance in a mobile device during typical device motions

Techniques provided herein are directed toward resolving a direction of travel of a mobile device based on mems sensor data by identifying a type of motion the mobile device is subject to and offsetting vertical acceleration data with horizontal acceleration data by a predetermined time offset based on the identified type of motion. The offset vertical and horizontal acceleration data can then be used to resolve, with an increased accuracy, a direction of travel of the mobile device.. ... Qualcomm Incorporated

03/29/18 / #20180087903

User-specific learning for improved pedestrian motion modeling in a mobile device

Techniques provided herein are directed toward enabling on-device learning to create user-specific movement models that can be used for dead reckoning. Because these moving models are user-specific, they can be later used to identify user-specific motions in a manner that provides for a dead reckoning location estimation. ... Qualcomm Incorporated

03/29/18 / #20180086211

Twisted wire for power charging

Systems and methods for a twisted rectangular litz wire for generating or receiving wireless electrical power. The rectangular litz wire may be arranged as a dd coil having first and second co-planar loops. ... Qualcomm Incorporated

03/29/18 / #20180085540

Inhaler with one or more visual sensors

Techniques disclosed herein provide for increased accuracy of information regarding the administration of medicine via an inhaler by obtaining data from a variety of data sources, including a visual sensor of the inhaler. Data can then be fused to make a determination of the effectiveness of how the medicine was administered, and an indication of the determined effectiveness can be relayed to another device.. ... Qualcomm Incorporated

03/22/18 / #20180084667

Hybrid design of heat spreader and temperature sensor for direct handheld device skin temperature measurement

The disclosure generally relates to a hybrid design whereby a heat spreader arranged to reduce an external skin temperature on a handheld device may further enable the external skin temperature to be directly measured. For example, the heat spreader may be thermally coupled to at least one external surface and include at least one region in which a plurality of recesses are formed such that an electrical resistance is produced in the at least one region when a current is applied thereto. ... Qualcomm Incorporated

03/22/18 / #20180084601

Techniques for power savings in multi-sim modems using extended lte signaling

Aspects of the present disclosure generally relate to wireless communications. A method and apparatus described include detecting a connection event after completing a radio resource control (rrc) connection reconfiguration procedure with a base station. ... Qualcomm Incorporated

03/22/18 / #20180084579

Transmission opportunity truncation

This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for improving transmission opportunity (txop) truncation in wireless communication. In some implementations, a transmit opportunity (txop) period truncation or whether to update a network allocation vector (nav) timing based on a message that includes transmitter and receiver information (such as a transmitter address (ta) and a receiver address (ra)) may be determined. ... Qualcomm Incorporated

03/22/18 / #20180084570

Uplink data fragmentation for multi-user networks

An apparatus for wireless communication includes data defragmentation logic configured to receive, during a first transmit opportunity, a first data packet from a first device and a second data packet from a second device. The first data packet includes a first data fragment, and the second data packet includes a second data fragment. ... Qualcomm Incorporated

03/22/18 / #20180084545

Techniques for allocating resources in low latency wireless communications

Various aspects described herein relate to receiving wireless communications from an access point, determining resources of the wireless communications associated with a search space for control information in the received wireless communications, and performing one or more of a set of blind decodes over the search space to decode at least low latency control information associated with a low latency communication technology, wherein the low latency communication technology utilizes a transmission time interval (tti) having a duration that is less than a subframe of a legacy communication technology.. . ... Qualcomm Incorporated

03/22/18 / #20180084539

User equipment capability determination for multiple radio capability groups

Lue capability information is provided for coordination across multiple rats or for single-rat connectivity where ue capabilities may change or be reported according to capability groups. A base station may establish a first connection with a ue using a first rat, and determine that the first connection is to be reconfigured, such as due to data transmission requirements exceeding the capacity of the currently configured connection. ... Qualcomm Incorporated

03/22/18 / #20180084537

Wireless device attribute communication

A method of wireless communication includes: generating a communication that includes attribute indications corresponding to a plurality of attributes of a transmitting device; and transmitting the communication wirelessly from the transmitting device; where the attribute indications include: a device identity of the transmitting device; a mobility indication indicative of whether the transmitting device is mobile or static; a location indication indicative of a location of the transmitting device; and a privacy indication associated with a corresponding attribute of the transmitting device, the privacy indication indicating whether a receiving device that receives the attribute indications from the transmitting device is authorized to transmit information regarding the corresponding attribute of the transmitting device.. . ... Qualcomm Incorporated

03/22/18 / #20180084517

Wireless device registration

A method of registering a target device includes: receiving a registration request, through a user interface, to register the target device; determining a suggested registration location for the target device; and providing an indication of the suggested registration location through the user interface.. . ... Qualcomm Incorporated

03/22/18 / #20180084513

Synchronizing a 5g communication channel using a 4g timing synchronization parameter

A method for clock synchronization in a communication system having first circuitry coupled to a first communication channel and second circuitry, includes generating a first timing synchronization parameter, and synchronizing the second circuitry to a second communication channel using the first timing synchronization parameter.. . ... Qualcomm Incorporated

03/22/18 / #20180084511

Synchronized radio transmission for vehicle platooning

Wireless communications systems and methods related to transmission of platoon information. A first vehicle in a vehicle platoon obtains a first radio resource spanning a frequency channel and a time period for synchronous transmission with at least a second vehicle in the vehicle platoon. ... Qualcomm Incorporated

03/22/18 / #20180084490

Selection of a serving node in a wireless communication system

Some aspects of the disclosure provide various methods, apparatuses and computer-readable medium configured for wireless communication. A method operable at a user equipment (ue) may include transmitting a connection request message configured to request initial connection with a radio access network (ran) node. ... Qualcomm Incorporated

03/22/18 / #20180084487

Radio access out of service recovery

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may search for a first network associated with a first radio access technology (rat) during a first time period in a rat search cycle. ... Qualcomm Incorporated

03/22/18 / #20180084473

Techniques for handovers in the presence of directional wireless beams

Techniques are disclosed for handover of a user equipment (ue) from a serving base station to a target base station. A target base station may use one or more directional beams to establish wireless communication links with ues within a coverage area of the target base station. ... Qualcomm Incorporated

03/22/18 / #20180084469

Techniques and apparatuses for reducing delay when obtaining service

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device may determine, concurrent with reading of one or more system information blocks (sibs) of a first frequency, acquisition information for a second frequency. ... Qualcomm Incorporated

03/22/18 / #20180084464

Long term evolution (lte) handover with the same secondary link

Certain aspects of the present disclosure provide techniques for minimizing interruption for ul and/or dl transmission via a secondary link during a handover on a primary link. In response to a handover indication, a ue, source bs and target bs may take one or more actions to maintain an existing connection between the ue and a secondary link. ... Qualcomm Incorporated

03/22/18 / #20180084460

Sharing system resources between mobile devices

Disclosed are methods and systems for sharing system resources between a first mobile device and a second mobile device. In an aspect, an external interface controller of the first mobile device establishes a connection between the first mobile device and the second mobile device, receives, from the second mobile device, data representing system resources of the second mobile device, and performs a function utilizing the system resources of the first mobile device and the system resources of the second mobile device, wherein performance of the function is facilitated by a data routing and resource control module of the first mobile device exchanging, independently of a processor of the first mobile device, data related to the function with the second mobile device via the external interface controller.. ... Qualcomm Incorporated

03/22/18 / #20180084452

Methods and apparatus for secure connectionless uplink small data transmisison

Certain aspects of the present disclosure generally relate to techniques for secure connectionless uplink transmissions by a wireless device. Such techniques may provide for negotiation of an encryption mechanism as part of the setup for connectionless transmissions and subsequent secure connectionless uplink transmissions.. ... Qualcomm Incorporated

03/22/18 / #20180084441

Beam switching

Apparatuses and methods of beam switching are presented. A beam switch message (bsm) is transmitted to a second device via a first beam set. ... Qualcomm Incorporated

03/22/18 / #20180084440

Beam switching with reset states

Apparatuses and methods of beam switching are presented. A first beam switch message (bsm) is transmitted to a second device, the first bsm including a first instruction for switching beams. ... Qualcomm Incorporated

03/22/18 / #20180084430

Mixed-access mode communication for standalone operation on a shared communication medium

In an embodiment, a central coordination server (e.g., a spectrum access server) partitions a shared communication medium into a contention-free partition where the shared communication medium is reserved for devices associated with a first set of operators and a contention-based partition where devices associated with a second set of operators contend for access to the shared communication medium, at least one operator belonging to both the first and second sets of operators. The central coordination server notifies target devices (e.g., aps, ats, etc.) of the partitioning. ... Qualcomm Incorporated

03/22/18 / #20180084416

Methods and systems for authentic interoperability

Systems, methods, and computer readable mediums for authenticating a device perform a method of receiving, at a second device, a first authentication protocol reauthentication response for the device, the authentication response including a reauthentication master session key (rmsk), transmitting, at the second device, a second first authentication protocol reauthentication response to a first access point based on the reauthentication master session key, generating, at the second device, a first pairwise master key (pmk) based on the reauthentication master session key, generating, at the second device, a key message to include the first pairwise master key, and transmitting, at the second device, the key message to the second access point.. . ... Qualcomm Incorporated

03/22/18 / #20180084414

Techniques for deriving security keys for a cellular network based on performance of an extensible authentication protocol (eap) procedure

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes performing an extensible authentication protocol (eap) procedure with an authentication server via an authenticator. ... Qualcomm Incorporated

03/22/18 / #20180084413

On-demand network function re-authentication based on key refresh

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may determine that a security context with a network node has been established for more than a threshold time period. ... Qualcomm Incorporated

03/22/18 / #20180084384

Wireless device locating

A method of locating a target device includes: producing, at a query device, a request for a location of a target device, the query device including a first radio, of a first type, configured to communicate wirelessly using a first communication protocol, the target lacking a radio of the first type but including a second radio, of a second type, configured to communicate wirelessly using a second communication protocol, the second communication protocol being incompatible with the first communication protocol; and transmitting the request wirelessly, from the query device to a first intermediate device, using the first radio.. . ... Qualcomm Incorporated

03/22/18 / #20180084374

Method and apparatus for to determine the location of a wearable device

A mobile station that is wirelessly linked to a wearable device, receives a request to initiate a location session from the wearable device, e.g., which may be in the form of an emergency call. The mobile station determines whether the location of the mobile station may be used as a location of the wearable device, e.g., by determining if the wearable device is proximate to the mobile station. ... Qualcomm Incorporated

03/22/18 / #20180084371

Facilitating a location determination of a user equipment that is connected to a master radio based upon slave radio measurements

Embodiments relate to a deployment of a master radio in conjunction with one or more slave radios. The master radio coordinates with a ue, or transmitter, to transmit a particular known set of wireless signals in a defined time window over a dedicated wireless connection between the ue and the master radio. ... Qualcomm Incorporated

03/22/18 / #20180084281

Storing and retrieving high bit depth image data

In one example, a device for accessing image data includes a memory configured to store image data, the memory comprising a first region and a second region; and one or more processing units configured to code most significant bits (msbs) of a plurality of residuals of samples of a block of an image, each of the residuals representing a respective difference value between a respective raw sample value and a respective predicted value for the respective raw sample value, access the coded msbs in the first region of the memory, and access least significant bits (lsbs) of the plurality of residuals of the samples in the second region of the memory.. . ... Qualcomm Incorporated

03/22/18 / #20180084260

Offset vector identification of temporal motion vector predictor

In one example, a method includes receiving, in a coded video bitstream and for a current prediction unit (pu) of a current picture of video data, a representation of an offset vector that identifies a block of a reference picture, wherein the offset vector is within a set of values that are not uniformly distributed; determining, based on the block of the reference picture identified by the offset vector, motion information for the current pu; and reconstructing the current pu based on the determined motion information.. . ... Qualcomm Incorporated

03/22/18 / #20180084240

Systems and methods for improved depth sensing

Methods and apparatus for active depth sensing are disclosed. In some aspects, an imaging device may generate first depth information based on an active sensing technology, such as structured light. ... Qualcomm Incorporated

03/22/18 / #20180084193

Multi-camera system using folded optics

Described herein are methods and devices that employ a plurality of image sensors to capture a target image of a scene. As described, positioning at least one reflective or refractive surface near the plurality of image sensors enables the sensors to capture together an image of wider field of view and longer focal length than any sensor could capture individually by using the reflective or refractive surface to guide a portion of the image scene to each sensor. ... Qualcomm Incorporated

03/22/18 / #20180084178

Smart camera flash system

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment (ue) that includes a camera and a plurality of flash lights. ... Qualcomm Incorporated

03/22/18 / #20180084105

Determining a region of a user equipment using directional receive antenna arrays

In an embodiment, an apparatus measures, via a first directional receive antenna array and a second directional receive antenna array that are each coupled to an apparatus, one or more signals that are transmitted by one or more transmitters of the ue. The first and second directional receive antenna arrays are oriented at different directions. ... Qualcomm Incorporated

03/22/18 / #20180084097

Discovery of and communication with trusted devices

Systems and methods are directed to discovering trusted remote devices and establishing trusted communications with trusted remote devices. A local device can determine one or more time periods of expected silence in a communication between the local device and a remote device; and embed trusted communication messages in the one or more time periods for at least one of: discovering that the remote device is a trusted remote device, performing a trusted communication with the trusted remote device. ... Qualcomm Incorporated

03/22/18 / #20180084062

Method and apparatus for enablement of location data sources during emergency positioning session

A mobile device is capable of enabling one or more location data sources for location determination of the mobile device. The mobile device may receive a request for an emergency location session, e.g., by a user dialing e911 or from an external client. ... Qualcomm Incorporated

03/22/18 / #20180084026

Processing continuous multi-period content

In one example, a device includes one or more processors configured to determine that a manifest file for media content indicates that the media content includes a first period and a second period, that the manifest file indicates that the first and second periods are continuous, and that advertisement media data is available for insertion between the first and second periods, select a first adaptation set in the first period based at least in part on characteristics signaled for the first adaptation set, retrieve media data of the first adaptation set based on the selection of the first adaptation set, retrieve the advertisement media data, and retrieve media data of a second adaptation set in the second period that the manifest file indicates is associated with the first adaptation set based on the selection of the first adaptation set and store the retrieved media data to a memory.. . ... Qualcomm Incorporated

03/22/18 / #20180083824

Nested constellation techniques for payload-tapering, embedded control, or reference signal transmissions

Techniques are described that provide nested constellations in which a lower order modulation scheme may be nested within constellation points of a higher-order modulation scheme. A higher-order modulation scheme, having a first constellation, may be used for a first subset of transmissions (e.g., data payload transmissions). ... Qualcomm Incorporated

03/22/18 / #20180083818

Techniques for a unified demodulation reference signal pattern for various multiplexing schemes

A method and apparatus for demodulation reference signal (dmrs) communication are described. The method and apparatus include determining a dmrs pattern for at least two multiplexing schemes. ... Qualcomm Incorporated

03/22/18 / #20180083808

Enhanced multi-user mimo detection

Apparatuses and methods are disclosed for receiving or obtaining wireless signals. A first wireless device may receive a wireless signal including a first signal and a number of second signals. ... Qualcomm Incorporated

03/22/18 / #20180083767

Communicating information plus an indication of transmission time

Methods, systems, and devices for wireless communication are described. A base station may identify a transport block for transmission that includes an information component and an error detection code. ... Qualcomm Incorporated

03/22/18 / #20180083763

Clock synchronization

An apparatus and a method are disclosed for synchronizing clock signals distributed within a wireless device. In some embodiments, a local oscillator (lo) clock signal is buffered and distributed to two or more transceivers within the wireless device. ... Qualcomm Incorporated

03/22/18 / #20180083753

Beam switching and recovery

Apparatuses and methods of beam switching are presented. A beam switch message (bsm) is transmitted to a second device via a first beam set. ... Qualcomm Incorporated

03/22/18 / #20180083747

Filtering carrier frequency offset in multi-user multiple-input and multiple-output environment

Methods, systems, and devices for wireless communication are described including determining one or more unfiltered cfos, filtering the one or more unfiltered cfos to identify a refined cfo based at least in part on the one or more unfiltered cfos and a predetermined number of packets, modifying a transmission parameter based at least in part on the refined cfo, and transmitting a signal in a mu-mimo environment based at least in part on the modified transmission parameter.. . ... Qualcomm Incorporated

03/22/18 / #20180083745

Flexible data and/or reference signal scheduling in one or more uplink pilot time slots in a wireless network

Certain aspects of the present disclosure provide techniques for flexible scheduling of reference signals and data in an uplink pilot time slot (uppts) in a wireless network. A method of wireless communication by a base station (bs) is provided. ... Qualcomm Incorporated

03/22/18 / #20180083743

Integrating lte and new radio

Techniques for wireless communications in a system with long term evolution (lte) integrated with new radio (nr) are provided. A method for wireless communications includes determining a configuration of component carrier(s) (ccs) of a first radio access technology (rat) and cc(s) of a second rat. ... Qualcomm Incorporated

03/22/18 / #20180083736

Per-symbol k-bit interleaver

The present disclosure provides techniques for performing bit-level interleaving for orthogonal frequency-divisional multiplexing (ofdm) symbols across a plurality of code blocks. In some aspects, a transmitting device may dynamically switch between bit-level interleaving and tone-level interleaving for each ofdm symbol based on factors such as number of bits that are carried in each tone, size of each code block, the processing time requirements of the transmitting device and/or the receiving device, or the transmitting device preference.. ... Qualcomm Incorporated

03/22/18 / #20180083730

Techniques for compensating for doppler effects in communications

Techniques are described for wireless communication at a wireless device. One method includes transmitting, during a tti, a first message using a first mcs; and transmitting, during the tti, a second message using a second mcs. ... Qualcomm Incorporated

03/22/18 / #20180083704

Method and apparatus for transmitting secure vlc identifiers

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. An apparatus is for determining position using visible light. ... Qualcomm Incorporated

03/22/18 / #20180083696

Methods and systems for frequency multiplexed communication in dense wireless environments

Systems, methods, and devices for high-efficiency wireless frequency division multiplexing are provided. A method includes exchanging, at an access point, at least one frame reserving a wireless medium with at least one of a first and second wireless device. ... Qualcomm Incorporated

03/22/18 / #20180083694

Dynamic reverse link retransmission timelines in satellite communication systems

A method and apparatus for operating a satellite access network (san) of a satellite communication system to schedule communications with a user terminal. In some aspects, the san may provision a communication frame, for the user terminal, into a number of forward-link (fl) subframes and a different number of reverse-link (rl) subframes. ... Qualcomm Incorporated

03/22/18 / #20180083676

Enhanced csi procedures for fd-mimo

Enhanced channel state information (csi) procedures for full dimension-multiple input, multiple output (fd-mimo) is discussed in which a number of csi reference signal (csi-rs) ports configured for a user equipment (ue) is determined. In response to the csi-rs ports including both horizontal and vertical ports, the ue may determine a first precoding matrix from a plurality of precoding matrices constructed by a kronecker product of a horizontal precoding matrix and a vertical precoding matrix. ... Qualcomm Incorporated

03/22/18 / #20180083661

Wideband residual sideband calibration

Various aspects of this disclosure describe the calibration of residual sideband energy in a receiver, for example estimating gain mismatch and phase mismatch in in-phase (i) and quadrature-phase channels (q) of a receiver. An input to the receiver is supplied with an input signal generated to comprise a bandwidth including a plurality of frequencies, such as a linear frequency modulation signal. ... Qualcomm Incorporated

03/22/18 / #20180083658

Multiplexing an rf signal with a control signal and/or a feedback signal

A communication device includes: a transmission line; a first circuit communicatively coupled to the transmission line and configured to receive an outbound signal over the transmission line, the first circuit comprising an amplifier configured to amplify the outbound signal to form an amplified signal, the first circuit being configured to transmit a first portion of the amplified signal to an antenna element; and a second circuit communicatively coupled to the transmission line and configured to produce the outbound signal and to transmit the outbound signal over the transmission line, the second circuit further being at least one of configured to transmit a control signal for the amplifier over the transmission line or configured to receive a feedback signal, based on the amplified signal, over the transmission line such that the outbound signal and at least one of the control signal or the feedback signal concurrently share the transmission line.. . ... Qualcomm Incorporated

03/22/18 / #20180083625

Voltage level shifter (vls) circuits employing a pre-conditioning circuit for pre-conditioning an input signal to be voltage level shifted in response to a pre-charge phase

Voltage level shifter (vls) circuits employing a pre-conditioning circuit for pre-conditioning an input signal to be voltage level shifted in response to a pre-charge phase are disclosed. A vls circuit is configured to voltage level shift an input signal in a lower voltage domain on an output node in a higher voltage domain. ... Qualcomm Incorporated

03/22/18 / #20180083589

Face-to-face multiplexer circuit layout

The present disclosure provides circuits and methods for fabricating circuits. A circuit may include a first insulator, a second insulator, a first subset of circuit elements disposed on a bottom surface of the first insulator, a second subset of circuit elements disposed on a top surface of the second insulator, one or more conductive couplings disposed between the first subset of circuit elements and the second subset of circuit elements.. ... Qualcomm Incorporated

03/22/18 / #20180083588

Electrode wrap-around capacitors for radio frequency (rf) applications

A capacitor may include a first capacitor plate having a first length. The capacitor may also include an inorganic capacitor dielectric layer on sidewalls and a surface of the first capacitor plate and a second capacitor plate on the inorganic capacitor dielectric layer. ... Qualcomm Incorporated

03/22/18 / #20180083584

Variable gain amplifier with coupled degeneration resistance and capacitance

One aspect of the present disclosure relates to a method for operating an amplifier, the amplifier including a variable resistor coupled between a source of a first input transistor and a source of a second input transistors, and a variable capacitor coupled between the source of the first input transistor and the source of the second input transistor. The method includes adjusting a resistance of the variable resistor to adjust a low-frequency gain of the amplifier, and adjusting a capacitance of the variable capacitor in an opposite direction as the adjustment to the resistance of the variable resistor.. ... Qualcomm Incorporated

03/22/18 / #20180083576

Switching power supply for rf power amplifiers

The present disclosure describes a synchronized switching power supply for a radio frequency (rf) power amplifier. In some aspects, a synchronized power supply circuit comprises a first switch connected between a power rail and a first terminal of an inductor that is connected to an output of the circuit via its second terminal. ... Qualcomm Incorporated

03/22/18 / #20180083574

Configurable mixer

A method and apparatus are disclosed for a configurable mixer capable of operating in a linear, a legacy, and a low-power mode. In the linear mode, the configurable mixer is configured to operate as a double-balanced mixer to multiply a first differential signal by a second differential signal. ... Qualcomm Incorporated

03/22/18 / #20180083533

Device and method to stabilize a supply voltage

In a particular implementation, an apparatus to stabilize a supply voltage includes a first current source, a second current source, and a control circuit. The first current source is responsive to a detection signal and has an output coupled to a voltage regulator circuit via an output node. ... Qualcomm Incorporated

03/22/18 / #20180083489

Methods and apparatus for wireless power and communication transfer

An aspect of this disclosure is an apparatus for receiving power wirelessly. The apparatus comprises a power receiver circuit that receives power from a magnetic field of a transmitter to provide to a load. ... Qualcomm Incorporated

03/22/18 / #20180083488

Methods and apparatus for wireless power and communication transfer

Aspects of this disclosure include apparatus and methods for receiving power wirelessly and communicating wirelessly at low power levels. One aspect of an apparatus that wirelessly receives power may be characterized by an impedance having a reactance component and the apparatus comprises an antenna circuit, and a control circuit. ... Qualcomm Incorporated

03/22/18 / #20180083473

Variable capacitor series tuning configuration

Techniques for tuning a resonant network are discussed. An example apparatus for controlling an output parameter with a resonant network comprising a differential-series circuit with a first variable reactive element on a first branch of the differential-series circuit and a second variable reactive element on a second branch of the differential-series circuit, such that the resonant network is coupled to an output circuit. ... Qualcomm Incorporated

03/22/18 / #20180083472

Variable capacitor speed up circuit

Techniques for controlling a resonant network are disclosed. An example of an apparatus for varying capacitance in a resonant network includes a variable capacitor circuit configured to vary a capacitance in response to a control signal, at least one biasing component operably coupled to the variable capacitor circuit, and a control circuit configured to generate the control signal, such that the control signal includes a first tuning value corresponding to a first capacitance value, and output the control signal at the first tuning value to reduce an impedance of the at least one biasing component and vary the capacitance of the variable capacitor circuit, such that the impedance of the at least one biasing component subsequently increases when the first capacitance value is realized.. ... Qualcomm Incorporated

03/22/18 / #20180083367

Common-ground-plane antennas

A multi-antenna structure includes: a substrate; a ground plane disposed on the substrate; a signal feed mechanism; a first antenna coupled to the ground plane via the signal feed mechanism; a second antenna coupled to the ground plane via the signal feed mechanism; and an isolator electrically coupled to the ground plane and disposed between the first antenna and the second antenna, the isolator including: a first side wall and a second side wall that define a slot; a short coupled to the first side wall and to the second side wall to define a first end of the slot; and a capacitor configured and disposed to be coupled to the first side wall and to the second side wall to define a second end of the slot.. . ... Qualcomm Incorporated

03/22/18 / #20180083349

Methods and apparatus for positioning a vehicle using foreign object detection

In one aspect, an apparatus for determining alignment information of a vehicle is disclosed, the vehicle comprising an antenna circuit configured to modulate one or more electrical characteristics of the antenna circuit. The apparatus comprises multiple sensor circuits configured to generate multiple magnetic fields. ... Qualcomm Incorporated

03/22/18 / #20180083098

Rf device with reduced substrate coupling

A substrate is provided with at least one etch stop layer to line a cavity after etching of the substrate. The cavity isolates the substrate from an active layer including a plurality of transistors.. ... Qualcomm Incorporated

03/22/18 / #20180083000

Fin epitaxy with lattice strain relaxation

A semiconductor having a first lattice constant is deposited on an exposed sidewall of a relatively small group iv semiconductor substrate fin having a second lattice constant that does not equal the first lattice constant to form a semiconductor fin without any crystal defects resulting from a lattice mismatch between the first lattice constant and the second lattice constant.. . ... Qualcomm Incorporated

03/22/18 / #20180082906

Novel self-aligned quadruple patterning process for fin pitch below 20nm

A method of producing a finfet device with fin pitch of less than 20 nm is presented. In accordance with some embodiments, fins are deposited on sidewall spacers, which themselves are deposited on mandrels. ... Qualcomm Incorporated

03/22/18 / #20180082846

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

03/22/18 / #20180082776

Partial metal fill for preventing extreme-low-k dielectric delamination

A partial metal fill is provided within the footprint of an ultra-thick-metal (utm) conductor on a dielectric layer to strengthen the dielectric layer to inhibit delamination of the utm conductor without inducing significant electrical coupling between the utm conductor and the partial metal fill.. . ... Qualcomm Incorporated

03/22/18 / #20180082724

Apparatus and method of clock shaping for memory

A memory circuit according to some examples may include a clock delay circuit that use a polarity of a write enable signal to determine an operation (i.e. Write or read) on the memory that provides the desired clock latency to the memory. ... Qualcomm Incorporated

03/22/18 / #20180082694

Higher order ambisonics signal compression

Systems and techniques for compression and decoding of audio data are generally disclosed. An example device for compressing higher order ambisonic (hoa) coefficients representative of a soundfield includes a memory configured to store audio data and one or more processors configured to: determine when to use ambient hoa coefficients of the hoa coefficients to augment one or more foreground audio objects obtained through decomposition of the hoa coefficients based on one or more singular values also obtained through the decomposition of the hoa coefficients, the ambient hoa coefficients representative of an ambient component of the soundfield.. ... Qualcomm Incorporated

03/22/18 / #20180082570

Dynamic battery charging threshold for mobile devices

In one aspect, a method includes maintaining a list of future user events. The list includes a field associated with each of the future user events to indicate whether charging of a mobile device is possible during a respective future user event. ... Qualcomm Incorporated

03/22/18 / #20180082493

Location based sensor sharing

Aspects of the present disclosure relate to wireless communications and, more particularly, to techniques for sharing sensor information. The techniques may be practiced, for example, in a vehicle to vehicle (v2v) environment, where frequency resources are mapped based on vehicle location(s).. ... Qualcomm Incorporated

03/22/18 / #20180082454

Color normalization for a multi-camera system

Techniques are described in which a device is configured to determine an overlap region between a first image and a second image, determine a first histogram based on color data included in the first image that corresponds to the overlap region, and determine a second histogram based on color data included in the second image that corresponds to the overlap region. The processor is further configured to determine, based on the first and second histograms, a mapping function that substantially maps the second histogram to the first histogram and apply the mapping function to the second image to generate a normalized second image with respect to the first image.. ... Qualcomm Incorporated

03/22/18 / #20180082428

Use of motion information in video data to track fast moving objects

A system comprising one or more storage devices configured to store data representing a video sequence, and one or more processors. The storage device(s) store instructions that, when executed, cause the at least one processor to: determine a region of interest for an object in a video frame of a video sequence, determine motion information between the video frame and a later video frame of the video sequence, determine, based on the region of interest and the motion information, an adjusted region of interest in the later video frame, and apply a mean shift algorithm to identify, based on the adjusted region of interest, the object in the later video frame.. ... Qualcomm Incorporated

03/22/18 / #20180082416

Systems and methods for analyzing image quality

A method is described. The method includes selecting a camera block or a graphics processing unit (gpu) to analyze an image for image quality upon capturing the image by a camera on a mobile device. ... Qualcomm Incorporated

03/22/18 / #20180082396

Dynamic camera pipelines

Methods and apparatuses for a dynamic image pipeline are disclosed. In one aspect, an image pipeline includes a core pipeline configured to: receive an image from an image sensor, the received image being formatted in a first color space, and convert the received image into at least a second color space. ... Qualcomm Incorporated

03/22/18 / #20180081817

Asynchronous cache operations

Aspects include computing devices, apparatus, and methods implemented by the apparatus for implementing asynchronous cache maintenance operations on a computing device, including activating a first asynchronous cache maintenance operation, determining whether an active address of a memory access request to a cache is in a first range of addresses of the first active asynchronous cache maintenance operation, and queuing the first active asynchronous cache maintenance operation as the first asynchronous cache maintenance operation in a fixup queue in response to determining that the active address is in the first range of addresses.. . ... Qualcomm Incorporated

03/22/18 / #20180081815

Way storage of next cache line

Systems and methods for accessing a cache include determining if a current access of the cache will satisfy an expected relationship with a next access of the cache, wherein the cache is a set-associative cache comprising multiple ways. The next way for the next access is stored in a next way field associated with the current access. ... Qualcomm Incorporated

03/22/18 / #20180081811

Dynamic cache partitioning through hill-climbing

Systems and methods for dynamically partitioning a shared cache, include dynamically determining a probability to be associated with each one of two or more processors configured to access the shared cache. Based on the probability for a processor, a first cache line of the processor is inserted in a most recently used (mru) position of a least recently used (lru) stack associated with the shared cache, pursuant to a miss in the shared cache for the first cache line. ... Qualcomm Incorporated

03/22/18 / #20180081809

Hybrid input/output coherent write

Aspects include computing devices, apparatus, and methods implemented by the apparatus for implementing a hybrid input/output (i/o) coherent write request on a computing device, including receiving an i/o coherent write request, generating a first hybrid i/o coherent write request and a second hybrid i/o coherent write request from the i/o coherent write request, sending the first hybrid i/o coherent write request and i/o coherent write data of the i/o coherent write request to a shared memory, and sending the second hybrid i/o coherent write request without the i/o coherent write data of the i/o coherent write request to a coherency domain.. . ... Qualcomm Incorporated

03/22/18 / #20180081806

Memory violation prediction

Disclosed are methods and apparatuses for preventing memory violations. In an aspect, a fetch unit accesses, from a branch predictor of a processor, a disambiguation indicator associated with a block of instructions of a program to be executed by the processor, and fetches, from an instruction cache, the block of instructions. ... Qualcomm Incorporated

03/22/18 / #20180081804

Dynamic input/output coherency

Aspects include computing devices, apparatus, and methods implemented by the apparatus for implementing dynamic input/output (i/o) coherent workload processing on a computing device. Aspect methods may include offloading, by a processing device, a workload to a hardware accelerator for execution using an i/o coherent mode, detecting a dynamic trigger for switching from the i/o coherent mode to a non-i/o coherent mode while the workload is executed by the hardware accelerator, and switching from the i/o coherent mode to a non-i/o coherent mode while the workload is executed by the hardware accelerator.. ... Qualcomm Incorporated

03/22/18 / #20180081803

Data storage at contiguous memory addresses

A method for storing data at contiguous memory addresses includes, at a single-instruction-multiple-data (simd) processor, executing a parallel-prefix valid count instruction to determine a first offset of a first data vector and to determine a second offset of a second data vector that includes valid data and invalid data. The second offset is based on the first offset and a number of positions in the first data vector that are associated with valid data. ... Qualcomm Incorporated

03/22/18 / #20180081691

Replaying speculatively dispatched load-dependent instructions in response to a cache miss for a producing load instruction in an out-of-order processor (oop)

Replaying speculatively dispatched load-dependent instructions in response to a cache miss for a producing load instruction in an out-of-order processor (oop) is disclosed. To allow for a scheduler circuit to restore register dependencies in a register dependency tracking circuit for a replay operation in response to a cache miss for execution of a load instruction, the scheduler circuit includes a replay circuit. ... Qualcomm Incorporated

03/22/18 / #20180081690

Performing distributed branch prediction using fused processor cores in processor-based systems

Performing distributed branch prediction using fused processor cores in processor-based systems is disclosed. In one aspect, a distributed branch predictor is provided as a plurality of processor cores supporting core fusion. ... Qualcomm Incorporated

03/22/18 / #20180081687

Instruction-based synchronization of operations including at least one simd scatter operation

A method of determining an execution order of memory operations performed by a processor includes executing at least one single-instruction, multiple-data (simd) scatter operation by the processor to store data to a memory. The method further includes executing one or more instructions by the processor to determine the execution order of a set of memory operations. ... Qualcomm Incorporated

03/22/18 / #20180081686

Providing memory dependence prediction in block-atomic dataflow architectures

Providing memory dependence prediction in block-atomic dataflow architectures is disclosed. In one aspect, a memory dependence prediction circuit is provided. ... Qualcomm Incorporated

03/22/18 / #20180081656

Hierarchical synthesis of computer machine instructions

Aspects disclosed herein relate to aggregating functionality of computer machine instructions to generate additional computer machine instructions and including the additional computer machine instructions in an instruction set architecture (isa). An exemplary method includes selecting at least first and second computer machine instructions from an instruction set, aggregating functionality of the first and second computer machine instructions to generate a third computer machine instruction, and adding the third computer machine instruction to the instruction set.. ... Qualcomm Incorporated

03/22/18 / #20180081650

Link time program optimization in presence of a linker script

A method for optimizing source code comprises optimizing the source code of files from a computer program at link-time, and receiving, at a linker, a customized linker script defining output sections for files of an executable version of the files of the computer program. The method comprises adding, to intermediate representation files having global or local symbols, metadata comprising default section assignment information for the symbols and recording, for symbols in machine code files, an origin path and an output section. ... Qualcomm Incorporated

03/22/18 / #20180081634

Piecewise polynomial evaluation instruction

A method includes retrieving, at a processor, a first instruction for performing a first piecewise horner's method operation for a polynomial and executing the first instruction. Executing the first instruction causes the processor to perform operations including accessing one or more look-up tables based on an interval of a first function input to determine a first coefficient of the polynomial for the first input range. ... Qualcomm Incorporated

03/22/18 / #20180081619

User preference selection for audio encoding

Methods and apparatuses are disclosed for streaming audio between a source device and a destination device. An example method may include determining an available bandwidth between the source device and the destination device. ... Qualcomm Incorporated

03/22/18 / #20180081579

Providing flexible management of heterogeneous memory systems using spatial quality of service (qos) tagging in processor-based systems

Providing flexible management of heterogeneous memory systems using spatial quality of service (qos) tagging in processor-based systems is disclosed. In one aspect, a heterogeneous memory system of a processor-based system includes a first memory and a second memory. ... Qualcomm Incorporated

03/22/18 / #20180081447

Systems and methods for recording custom gesture commands

Methods and apparatuses are disclosed for recording a custom gesture command. In an aspect, at least one camera of a user device captures the custom gesture command, wherein the custom gesture command comprises a physical gesture performed by a user of the user device, a user interface of the user device receives user selection of one or more operations of the user device, and the user device maps the custom gesture command to the one or more operations of the user device.. ... Qualcomm Incorporated

03/22/18 / #20180080999

Determining power electronics feasibility with single turn magnetic simulation data

Techniques for determining power electronics feasibility in a wireless power transfer system with a transmitting element and a receiving element are provided. An example apparatus includes a processor configured to receive fem simulation results for offset positions between the transmitting element and the receiving element, calculate a total real input current variation for the offset positions based on the fem simulation results, calculate an indication of a difference between an ideal transmitting element current value and a real transmitting element current value for each of the offset positions based on the fem simulation results, determine a maximum difference value based on the indication of the difference for each of the offset positions, and determine the power electronics feasibility based on the total real input current variation as compared to a total real input current variation threshold value, and the maximum difference value as compared to a maximum difference threshold value.. ... Qualcomm Incorporated

03/22/18 / #20180080983

Visible laser circuit fault isolation

A transparent coversheet intervenes between a lens and a thinned die in a visible light fault analysis tool so that the thinned die is robust to fractures. In addition, the transparent coversheet has a greater thermal mass than the thinned die and thus acts as a heat sink to prevent active circuitry in the thinned die from overheating during the visible light fault analysis.. ... Qualcomm Incorporated

03/22/18 / #20180080839

Piezoelectric material test probe and method

This disclosure provides systems, methods and apparatus for a test probe for characterizing piezoelectric material. In one aspect, a test probe may include a conductive tip configured to apply force to the piezoelectric material and provide a charge signal representing charge generated by the piezoelectric material as the piezoelectric material experiences the force. ... Qualcomm Incorporated

03/22/18 / #20180078155

Multi-model blood pressure estimation

One aspect of the subject matter described in this disclosure can be implemented in a device capable of use in estimating blood pressure. The device includes one or more arterial sensors configured to obtain arterial measurements at two or more elevations. ... Qualcomm Incorporated

03/15/18 / #20180077803

Passives in thin film

Due to the presence of a glass substrate, it is difficult to fabricate thin conventional passive-on-glass (pog) devices. Also glass dicing has been a throughput bottleneck in fabricating the conventional pog device. ... Qualcomm Incorporated

03/15/18 / #20180077728

System and methods for performing an adaptive access procedure on a multi-sim wireless communication device

Methods and systems are provided to perform an adaptive access procedure on a multi-subscriber identity module (sim) wireless communication device having at least a first sim and a second sim associated with a shared radio frequency (rf) resource. The wireless communication device may detect that signaling on a random access channel (rach) is required in order to establish access to a first network on a modem stack associated with the first sim, identify a first protection window having a duration based on timing of an expected response by the first network to signaling on the rach, and determine whether a tune-away period to decode a paging channel in a second network supported by the second sim is scheduled to occur within the first protection window. ... Qualcomm Incorporated

03/15/18 / #20180077725

Methods and apparatus for channel reservation

Aspects of the disclosure relate to reserving resources in wireless communication systems, such as those employing listen before talk (lbt). The disclosed methods and apparatus employ a channel reservation preamble used in a sequence of burst or data packet transmissions. ... Qualcomm Incorporated

03/15/18 / #20180077710

Guard band with synchronization information

Various aspects of the disclosure relate to scaled numerology for orthogonal frequency division multiplexing (ofdm) waveforms or other forms of communication. First information can be encoded into a first numerology at a first set of tones and first synchronization information can be encoded into a second numerology at second set of tones. ... Qualcomm Incorporated

03/15/18 / #20180077693

Downlink control information (dci) design for low cost devices

Certain aspects of the present disclosure relate to techniques for reducing the decoding complexity for low cost devices (e.g., low cost ues). One technique may include simplifying the pdcch format. ... Qualcomm Incorporated

03/15/18 / #20180077689

Multiple bandwidth operation

Methods, apparatus, systems, and devices for wireless communication are described. In one method, a wireless device receives a broadcast of a first message including an indication of a first bandwidth value; receives, based on the first bandwidth value, a second message including an indication of a second bandwidth value; and receives downlink transmissions based on the second bandwidth value following receipt of the second message. ... Qualcomm Incorporated

03/15/18 / #20180077683

Reference signal transmission based on received signal quality

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may determine that a reference signal (rs) transmission has been triggered. ... Qualcomm Incorporated

03/15/18 / #20180077670

Enhancing otdoa bsa accuracy using unsolicited rstd measurements

Techniques disclosed herein help a location server identify inaccuracies in a list of neighboring cells provided by the location server by enabling mobile devices to, during an otdoa session to opportunistically take reference signal time difference (rstd) measurements of additional cells not on the neighboring cell list. The mobile device can then provide these rstd measurements back to the server, which can optimize its algorithm for determining neighboring cells based on these measurements.. ... Qualcomm Incorporated

03/15/18 / #20180077660

Synchronization and reference signal for uplink based mobility

Various aspects relate to flexible mobility for a user equipment (ue) based on supported mobility modes of a network and ue conditions. A network may support one or more of a downlink based mobility mode, an uplink based mobility mode, or a hybrid mobility mode for a connectivity state of a ue. ... Qualcomm Incorporated

03/15/18 / #20180077619

Reporting of information before a scheduled time

A mobile device can send information to a server by first obtaining, by the mobile device, a scheduled time to send the information to the server. In response to determining, by the mobile device, that a trigger condition is met before the scheduled time, the mobile device sends at least a portion of the information from the mobile device to the server.. ... Qualcomm Incorporated

03/15/18 / #20180077617

Wireless communication enhancements for unmanned aerial vehicle communications

Various embodiments include methods of managing wireless communications between an unmanned aerial vehicle (uav) and a controller of the uav. The methods may include determining whether an indicator of current channel conditions for wireless communications over a first channel equals or exceeds a channel impairment threshold. ... Qualcomm Incorporated

03/15/18 / #20180077605

Methods and apparatus for formatting a protocol data unit for wireless communication

Aspects of the present disclosure provide various apparatuses and methods for formatting and decoding a protocol data unit (pdu) or data packet such that header size and packet processing time at the transmitter and/or receiver can be reduced. The proposed pdu formats may facilitate more efficient packet processing at a medium access control (mac) layer, a radio link control (rlc) layer, and/or a packet data convergence protocol (pdcp) layer, and less dependent on the number of service data units (sdus) included in a pdu.. ... Qualcomm Incorporated

03/15/18 / #20180077603

Phase-noise compensation reference signal configuration reporting and signaling

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may report a phase-noise compensation reference signal (pcrs) configuration to a base station to enable per-ue pcrs signaling. ... Qualcomm Incorporated

03/15/18 / #20180077589

Methods and systems for measuring range between devices

Disclosed are systems, devices and methods for determining a range between devices based, at least in part, on measurements of wireless tone signals transmitted between devices. In particular, two devices may measure tone signals transmitted between the two devices for determination of a round-trip phase measurement. ... Qualcomm Incorporated

03/15/18 / #20180077569

Managing security for a mobile communication device

Implementations include systems and methods for managing security for a mobile communication device. In implementations, a processor of the mobile communication device may determine environment context information. ... Qualcomm Incorporated

03/15/18 / #20180077547

Wireless directional sharing based on antenna sectors

Apparatuses and methods for sharing data between wireless devices based on one or more user gestures are disclosed. In some implementations, a wireless device may include a number of antenna elements configured to beamform signals in a plurality of transmit directions, with each of the transmit directions corresponding to one of a number of antenna sectors. ... Qualcomm Incorporated

03/15/18 / #20180077518

Methods and apparatus for efficient sensor data sharing in a vehicle-to-vehicle (v2v) network

Various aspects of the present disclosure relate to vehicle-to-vehicle (v2v) data sharing. The sensor data collected from each vehicle may be divided into common information and detailed information. ... Qualcomm Incorporated

03/15/18 / #20180077507

Systems and methods for reducing vibration noise

A method for reducing vibration noise by an electronic device is described. The method includes obtaining an audio signal. ... Qualcomm Incorporated

03/15/18 / #20180077426

Linear model chroma intra prediction for video coding

A method of decoding video data, including receiving an encoded block of luma samples for a first block of video data, decoding the encoded block of luma samples to create reconstructed luma samples, and predicting chroma samples for the first block of video data using the reconstructed luma samples for the first block of video data and two or more linear prediction models.. . ... Qualcomm Incorporated

03/15/18 / #20180077257

Caching content at the edge

Certain aspects of the present disclosure provide methods and apparatus for caching content at a network edge and providing the cached content to requesting ues. An example method generally includes receiving, from a first ue, a request for content from a remote source, retrieving the content from the remote source and providing the content to the first ue, storing at least a portion of the content in a local cache at the base station, receiving a request for the content from at least a second ue, and retrieving the content from the local cache and providing the content to the at least the second ue.. ... Qualcomm Incorporated

03/15/18 / #20180077195

Methods and systems for on-device real-time adaptive security based on external threat intelligence inputs

Methods, and computing devices implementing the methods, that enable client computing devises to work in conjunction with a server device to identify and temporarily defend against non-benign applications (e.g., malware, etc.) and other threats before a more permanent solution or defense (e.g., a patch or software upgrade) becomes available and installed on the client computing device. The server device may be configured to receive reports from the client computing devices, receive threat feeds from third-party servers (e.g., threat intelligence servers, etc.), and use information included in the received threat feed and information included in the received reports to analyze, in the server computing device, a software application that is operating on a client device in multiple passes. ... Qualcomm Incorporated

03/15/18 / #20180077188

Methods and systems for on-device real-time adaptive security based on external threat intelligence inputs

Methods, and computing devices implementing the methods, that enable client computing devises to work in conjunction with a server device to identify and temporarily defend against non-benign applications (e.g., malware, etc.) and other threats before a more permanent solution or defense (e.g., a patch or software upgrade) becomes available and installed on the client computing device. The server device may be configured to receive reports from the client computing devices, receive threat feeds from a third-party server (e.g., threat intelligence servers, etc.), and use information included in the received threat feed and information included in the received reports to analyze, in the server computing device, a software application that is operating on a client device in multiple passes. ... Qualcomm Incorporated

03/15/18 / #20180077136

Common storage mode in camera

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for multimedia storage and organization are provided. The apparatus may be a camera. ... Qualcomm Incorporated

03/15/18 / #20180076891

Methods and systems for adjusting an orientation of a light sensor

Methods, systems, and devices are described for commissioning light fixtures. One method may include receiving, at a mobile device, an encoded light signal from a light fixture in a plurality of light fixtures. ... Qualcomm Incorporated

03/15/18 / #20180076875

Method and apparatus for non-linear antenna array angle of arrival detection

Method, device, computer program product, and apparatus to detect an angle of arrival for a wireless signal are described. The wireless signal may be received at a non-linear antenna array and a plurality of candidate angles of arrival for the received signal may be determined. ... Qualcomm Incorporated

03/15/18 / #20180076839

Wireless resource allocation for a vehicle acting as a base station

Aspects of the disclosure relate to a vehicle, or a device or system connected to the vehicle, that enables the vehicle to act as a base station in a wireless communication network. The vehicle includes an access interface transceiver configured to communicate with devices within its passenger cabin, and a backhaul interface transceiver configured to communicate with the wireless communication network. ... Qualcomm Incorporated

03/15/18 / #20180076805

Re-timing based clock generation and residual sideband (rsb) enhancement circuit

Certain aspects of the present disclosure generally relate to methods and apparatus for generating clock signals. For example, certain aspects of the present disclosure provide a clock generation circuit. ... Qualcomm Incorporated

03/15/18 / #20180076765

Phase noise reduction techniques for voltage-controlled oscillators (vcos)

Certain aspects of the present disclosure provide methods and apparatus for reducing phase noise in voltage-controlled oscillators (vcos). One example vco generally includes a first resonant circuit comprising an inductor and a first variable capacitive element coupled in parallel with the inductor; and a second variable capacitive element coupled to a center tap of the inductor and further coupled to a reference voltage, wherein the center tap of the inductor is further coupled to a voltage source.. ... Qualcomm Incorporated

03/15/18 / #20180076671

Dynamic mutual sensing foreign object detection loops

Techniques for detecting a presence of a foreign object within a region for wirelessly transferring power to charge an electric vehicle are discloses. An example apparatus according to the disclosure includes a foreign object detection (fod) structure including a transmitting loop structure, a receiving loop structure galvanically isolated from the transmitting loop structure and positioned relative to the transmitting loop structure such that a magnetic field generated by the transmitting loop structure induces a first voltage in the receiving loop structure, wherein the first voltage is below a threshold value, and a control circuit configured to drive the transmitting loop structure and detect a change in a magnitude of the first voltage in the receiving loop structure in response to the presence of the foreign object within the magnetic field.. ... Qualcomm Incorporated

03/15/18 / #20180076667

Power flow controller synchronization

Techniques for wireless power transfer are disclosed. An example of an apparatus for receiving power in a wireless power transfer system includes a power receiving element, a tuning and current doubler circuit operably coupled to the power receiving element, a power flow controller circuit operably coupled to the tuning and current doubler circuit, and a controller operable coupled to the power receiving element and the power flow controller circuit and configured to detect a signal in the power receiving element and to synchronize the power flow controller circuit based on the signal.. ... Qualcomm Incorporated

03/15/18 / #20180076666

Reconfigurable wireless power resonator

Certain aspects of the present disclosure relate to methods and apparatus for reconfiguring wireless power resonator. Certain aspects of the present disclosure provide a wireless power resonator. ... Qualcomm Incorporated

03/15/18 / #20180076662

Managing internet of things (iot) devices based on electrical power reliability

This disclosure provides systems, methods and apparatus, and computer programs encoded on computer storage media, for managing internet of things (iot) devices. In one aspect, a processor of a smart meter device may determine a predicted reliability of electrical power. ... Qualcomm Incorporated

03/15/18 / #20180076635

Voltage controlled charge pump and battery charger

Certain aspects of the present disclosure relate to methods and apparatus for a voltage controlled charge pump and battery charger. Certain aspects of the present disclosure provide a method for operating a voltage controlled charge pump. ... Qualcomm Incorporated

03/15/18 / #20180076326

Finfet with reduced series total resistance

Selective epitaxial growth is used to form a hetero-structured source/drain region to fill an etched recess in a silicon fin for an n-type finfet device.. . ... Qualcomm Incorporated

03/15/18 / #20180076197

Semiconductor devices employing field effect transistors (fets) with multiple channel structures without shallow trench isolation (sti) void-induced electrical shorts

Semiconductor devices employing field effect transistors (fets) with multiple channel structures without shallow trench isolation (sti) void-induced electrical shorts are disclosed. In one aspect, a semiconductor device is provided that includes a substrate. ... Qualcomm Incorporated

03/15/18 / #20180076189

Minimum track standard cell circuits for reduced area

Minimum track standard cell circuits for reduced area are provided. In one aspect, a minimum track standard cell circuit employs a first high aspect ratio voltage rail disposed over a first one-half track and configured to provide a first voltage (e.g., vdd) to the minimum track standard cell circuit. ... Qualcomm Incorporated

03/15/18 / #20180076145

Self-aligned transistors for dual-side processing

An integrated circuit structure may include an alignment column on a front-side surface of an isolation layer. The alignment column may extend through a backside surface opposite the front-side surface of the isolation layer. ... Qualcomm Incorporated

03/15/18 / #20180076139

Contact for semiconductor device

A semiconductor device may include a source/drain contact trench adjacent to a gate. The source/drain contact trench may include a first portion and a second portion on the first portion. ... Qualcomm Incorporated

03/15/18 / #20180076137

Utilization of backside silicidation to form dual side contacted capacitor

An integrated circuit structure may include a capacitor having a semiconductor layer as a first plate and a gate layer as a second plate. A capacitor dielectric layer may separate the first plate and the second plate. ... Qualcomm Incorporated

03/15/18 / #20180075888

Techniques for preventing tampering with prom settings

Techniques for preventing tampering with programmable read-only memory of an integrated circuit are provided. A method according to these techniques includes performing a randomized read of data stored in the programmable read-only memory based on an input from an entropy source, writing the data to one or more registers of the integrated circuit, and initializing one or more components of the integrated circuit using the data stored in the one or more registers.. ... Qualcomm Incorporated

03/15/18 / #20180075746

System and method that facilitates beamforming from a vehicle user equipment

Aspects of the disclosure relate to beamforming from a vehicle user equipment (ue). In a first aspect, a beamform vector is selected based on beamform data received from a scheduling entity. ... Qualcomm Incorporated

03/15/18 / #20180075593

Automatic scene calibration method for video analytics

To determine real-world information about objects moving in a scene, the camera capturing the scene is typically calibrated to the scene. Automatic scene calibration can be accomplished using people that are found moving about in the scene. ... Qualcomm Incorporated

03/15/18 / #20180075227

Systems and methods for surveillance of user access to a security critical resource

A method for surveillance of user access to a security critical resource is described. The method includes receiving a request to access the security critical resource that is pre-specified for surveillance. ... Qualcomm Incorporated

03/15/18 / #20180074985

Radio frequency front end (rffe) command code extension with uniform sequence start condition (ssc)

Radio frequency front end (rffe) command code extensions with uniform start sequence condition (ssc) are disclosed. In one aspect, the rffe protocol reserves one of the remaining reserved command codes as a command code extension command. ... Qualcomm Incorporated

03/15/18 / #20180074949

Providing memory bandwidth compression using adaptive compression in central processing unit (cpu)-based systems

Providing memory bandwidth compression using adaptive compression in central processing unit (cpu)-based systems is disclosed. In one aspect, a compressed memory controller (cmc) is configured to implement two compression mechanisms: a first compression mechanism for compressing small amounts of data (e.g., a single memory line), and a second compression mechanism for compressing large amounts of data (e.g., multiple associated memory lines). ... Qualcomm Incorporated

03/15/18 / #20180074893

Providing memory bandwidth compression in chipkill-correct memory architectures

Providing memory bandwidth compression in chipkill-correct memory architectures is disclosed. In this regard, a compressed memory controller (cmc) introduces a specified error pattern into chipkill-correct error correcting code (ecc) bits to indicate compressed data. ... Qualcomm Incorporated

03/15/18 / #20180074849

Power aware work items management

Systems, methods, and apparatus are herein disclosed for performing load balancing of work queues via a dispatcher that shifts work items between worker threads. The dispatcher can be added to the kernel and can monitor work item workload histories to estimate the workload that each work item will add to a thread that it is scheduled for. ... Qualcomm Incorporated

03/15/18 / #20180074727

Managing data flow in heterogeneous computing

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for implementing data flow management on a computing device. Embodiment methods may include initializing a buffer partition of a first memory of a first heterogeneous processing device for an output of execution of a first iteration of a first operation by the first heterogeneous processing device on which a first iteration of a second operation assigned for execution by a second heterogeneous processing device depends. ... Qualcomm Incorporated

03/15/18 / #20180074568

Method and apparatus for dynamic clock and voltage scaling in a computer processor based on program phase

The disclosure generally relates to dynamic clock and voltage scaling (dcvs) based on program phase. For example, during each program phase, a first hardware counter may count each cycle where a dispatch stall occurs and an oldest instruction in a load queue is a last-level cache miss, a second hardware counter may count total cycles, and a third hardware counter may count committed instructions. ... Qualcomm Incorporated

03/15/18 / #20180074564

Reverse high-voltage power transfer

A first portable or non-portable device enters an adaptive charging mode to deliver a programmable output voltage to a second (e.g., sink) device, independent of a connector between the devices. The adaptive charging mode enables a sink device to detect current and voltage capability of the portable or non-portable device. ... Qualcomm Incorporated

03/15/18 / #20180074505

Motion planning and intention prediction for autonomous driving in highway scenarios via graphical model-based factorization

Aspects of the disclosure are related to a method, apparatus, and system for planning a motion for a first vehicle, comprising: estimating past states of an observed second vehicle based on sensor inputs; predicting a future trajectory of the second vehicle based on the estimated past states; planning a future trajectory of the first vehicle based on the predicted future trajectory of the second vehicle and a safety cost function; and driving the first vehicle to follow the planned trajectory.. . ... Qualcomm Incorporated

03/15/18 / #20180074486

Unmanned aerial vehicle charging station management

Methods, devices, and systems of various embodiments are disclosed for managing an unmanned aerial vehicle (uav). In various embodiments, the uav may charge an onboard battery while docked at a docking terminal of a charging station. ... Qualcomm Incorporated

03/15/18 / #20180074485

Autonomous vehicle charging station management

Methods, devices, and systems of various embodiments are disclosed for managing a vehicle charging station having a docking terminal. In various embodiments, a priority of a first autonomous vehicle and a second autonomous vehicle may be determined for using the docking terminal when a docking request is received from the second autonomous vehicle while the first autonomous vehicle occupies the docking terminal. ... Qualcomm Incorporated

03/15/18 / #20180074212

Methods and systems for processing a global navigation satellite system signal

Disclosed are devices, systems and methods for processing satellite positioning system (sps) signals for performing positioning operations. In particular, devices, systems disclosed herein are directed to determining estimates of undifferenced ambiguity values of a plurality of received sps signals; and solving for a time based, at least in part, on the estimates of undifferenced ambiguity values.. ... Qualcomm Incorporated

03/15/18 / #20180074211

Fast recovery from incorrect carrier phase integer locking

Determining a position of a device using a signal received from a reference emitter includes: receiving the signal; determining a state of a first filter, the state of the first filter including a first carrier phase ambiguity estimate that includes a floating value; determining a state of a second filter, the state of the second filter including a second carrier phase ambiguity estimate that includes a fixed value; determining whether the state of the second filter is consistent with one other filter state or measurement; maintaining the state of the second filter in response to the device determining that the state of the second filter is consistent with the other filter state; changing the state of the second filter to the state of the first filter in response to the device determining that the state of the second filter is not consistent with the other filter state.. . ... Qualcomm Incorporated

03/15/18 / #20180074206

Repair of carrier-phase cycle slips using displacement data

The disclosure generally relates to position sensors, and more particularly to repair of carrier-phase cycle slips using displacement data. An apparatus for use in position sensing may include a displacement sensor, a positioning signal receiver, a memory, and a processor coupled to the displacement sensor, the positioning signal receiver, and the memory. ... Qualcomm Incorporated

03/15/18 / #20180074205

Detection of outlier range measurements using spatial displacement data

The disclosure generally relates to position sensors, and more particularly to outlier detection using spatial displacement data. An apparatus for use in position sensing may include a displacement sensor, a positioning signal receiver having a receiver clock, a memory, and a processor coupled to the displacement sensor, the positioning signal receiver, and the memory. ... Qualcomm Incorporated

03/15/18 / #20180074198

Optical beam identification using optical demodulation

Disclosed herein are techniques for identifying optical beams incident upon a sensor of a light detection and ranging (lidar) system. In certain aspects, a sensor coupled to the lidar system receives a first optical beam comprising a first frequency and a second optical beam comprising a second frequency. ... Qualcomm Incorporated

03/15/18 / #20180074126

Apparatus and method for employing mutually exclusive write and read clock signals in scan capture mode for testing digital interfaces

An apparatus and method of employing mutually exclusive write and read clocks in scan capture mode for testing digital interfaces. The apparatus includes a first circuit and a first clock generator configured to generate a first clock signal for transferring a test sample from an input to an output of the first circuit in response to the first clock signal during each of a first set of scan capture cycles; a second circuit and a second clock generator configured to generate a second clock signal for transferring the test sample from an input to an output of the second circuit in response to the second clock signal during each of a second set of scan capture cycle; the first clock signal being suppressed during each scan capture cycle of the second set, and the second clock signal being suppressed during each scan capture cycle of the first set.. ... Qualcomm Incorporated

03/15/18 / #20180074117

Visible alignment markers/landmarks for cad-to-silicon backside image alignment

A mos ic includes a first standard cell including first and second power rails, first and second active regions, and a plurality of metal interconnects. The first power rail extends in a first direction and provides a first voltage to the first standard cell. ... Qualcomm Incorporated

03/15/18 / #20180074016

Magnetoresistive (mr) sensors employing dual mr devices for differential mr sensing

Magnetoresistive (mr) sensors employing dual mr devices for differential mr sensing are provided. These mr sensors may be used as biosensors to detect the presence of biological materials as an example. ... Qualcomm Incorporated

03/15/18 / #20180073951

Adaptive pressure sensor sampling rate

Techniques provided herein are directed toward adjusting the rate at which a mobile device's barometric pressure sensor takes measurements, based on whether movement is detected from motion sensors, such as accelerometers, gyroscopes, and the like. Where movement is below a threshold (e.g., below a threshold speed or within a threshold distance), then the barometric pressure sensor can reduce the sampling rate to a rate that still enables the mobile device to account for changes in the weather. ... Qualcomm Incorporated

03/15/18 / #20180073933

Dynamic and fast local hotspot search and real time temperature monitoring

In certain aspects, a method for temperature monitoring comprises receiving temperature readings from a plurality of temperature sensors on a chip, and determining an average or a sum of the temperature readings from the temperature sensors. The sum may be a weighted sum of the temperature readings. ... Qualcomm Incorporated

03/15/18 / #20180072431

Thermal arm for drone

A drone adapted for flight may include propellers that may be powered by motors to move the drone. The drone may include a processing component and arms for supporting each of the propellers. ... Qualcomm Incorporated

03/15/18 / #20180072265

Autonomous vehicle security

Various implementations include unmanned autonomous vehicles (uavs) and methods for providing security for a uav. In various implementations, a processor of the uav may receive sensor data from a plurality of uav sensors about an object in contact with the uav. ... Qualcomm Incorporated

03/15/18 / #20180072166

Hybrid foreign object detection (fod) loop array board

Techniques for detecting a presence of a metallic and/or a ferromagnetic object over a region for wirelessly transferring power to charge an electric vehicle are presented. An example apparatus includes one or more foreign object detection (fod) loops arranged in an array over a charging area, at least a portion of the fod loops being in a first configuration and at least a portion of the fod loops being second configuration different than the first configuration based on a value indicative of an amount of magnetic coupling between the charging area and a respective one the fod loops within a corresponding area of the array.. ... Qualcomm Incorporated

03/15/18 / #20180071535

Bi-directional switching regulator for electroceutical applications

In certain aspects, a method for providing electrical stimulation includes transferring energy from a battery to an electrode to charge the electrode, and, after the electrode is charged, transferring energy from the electrode to the battery to discharge the battery. The energy transferred from the electrode to the battery may include a portion of the energy transferred from the battery to the electrode.. ... Qualcomm Incorporated

03/15/18 / #20180070889

Devices and methods for fall detection based on phase segmentation

Aspects of the subject matter described in this disclosure can be implemented in a fall detection device and method. One or more motion sensors can access a user's acceleration data. ... Qualcomm Incorporated

03/08/18 / #20180070406

Enhanced discontinuous reception management in wireless communication systems

Methods, systems, and devices for wireless communication are described. Base stations and ues within a wireless system may establish a drx configuration, which may include a drx on duration and a drx periodicity. ... Qualcomm Incorporated

03/08/18 / #20180070381

Random access enhancement based on scalable signature design

Various aspects described herein relate to techniques for random access based on scalable signature design in wireless communications systems. A method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

03/08/18 / #20180070380

Transmission configuration and format for random access messages

Wireless communications systems and methods related to performing random access procedures. A base station (bs) receives, from a user equipment (ue), a plurality of random access preambles from a plurality of beam directions, wherein each of the plurality of random access preambles is received from a different beam direction, and wherein the plurality of random access preambles are associated with multiple random access opportunities of a random access attempt. ... Qualcomm Incorporated

03/08/18 / #20180070364

Interference mitigation via space-time subspace projection

Methods, systems, and devices for wireless communication are described. A wireless device may receive a signal using a plurality of radio frequency (rf) chains, and may digitally sample the signal over a period of time at outputs of the plurality of rf chains. ... Qualcomm Incorporated

03/08/18 / #20180070363

Signaling mechanism to enable local operation for multi-antenna wireless communication systems

An apparatus capable of performing a local operation in a low-interference environment is desired. In an aspect, the apparatus may be a base station. ... Qualcomm Incorporated

03/08/18 / #20180070361

Interference mitigation via subspace projection

Methods, systems, and devices for wireless communication are described. A wireless device may transmit and receive signals using radio frequency (rf) chains associated with multiple radios configured for different radio access technologies (rats). ... Qualcomm Incorporated

03/08/18 / #20180070347

Methods and apparatus for processing control and/or shared channels in long term evolution (lte)

Certain aspects provide methods and apparatus for wireless communications. One example method generally includes receiving a shared channel within a subframe, determining the same precoding may be used across resource blocks belonging to the same precoding resource block group (prg) of the shared channel, and processing the shared channel based on the determination.. ... Qualcomm Incorporated

03/08/18 / #20180070343

Transmission scheme management for common channels in nr

Aspects of the present disclosure relate to wireless communications and, more particularly, to transmission scheme management for common channels in new radio (nr). A method for wireless communications that may be performed by a user equipment (ue) is provided. ... Qualcomm Incorporated

03/08/18 / #20180070327

System and methods for performing an early radio link recovery procedure on a multi-subscriber identity module wireless communication device

A wireless communication device may have at least a first subscriber identification module (sim) and a second sim associated with a shared radio frequency (rf) resource. The wireless communication device may determine whether some or all of a critical radio resource control (rrc) control message from a first network supported by the first sim was missed during a tune-away. ... Qualcomm Incorporated

03/08/18 / #20180070320

Apparatus and method for adjustment of transmitter power in a system

Certain aspects of the present disclosure propose methods for determining power level of one or more transmitters based on a power level of a primary transmitter when the transmitters are located in close proximity of each other. The power levels may be determined such that a combined power of all the transmitters is compliant with regulatory radio frequency (rf) safety requirements. ... Qualcomm Incorporated

03/08/18 / #20180070307

Techniques to reduce power consumption in mobile device during low-power mode

Methods, systems, and devices for wireless communication are described. Techniques for communicating between an access point and a mobile device via a low-power radio access technology different than a normal radio access technology used for communication are described. ... Qualcomm Incorporated

03/08/18 / #20180070306

Techniques for managing power consumption of a mobile device

Systems, methods, apparatuses, and computer-readable storage media for managing power consumption of a mobile device are disclosed. The systems, method, apparatus, and computer-readable storage medium may cause the base station to identify an energy metric associated with a mobile device, and to configure the transmission between the base station and the mobile device based at least in part on the energy metric. ... Qualcomm Incorporated

03/08/18 / #20180070303

System and method for sharing measurement results in multi-sim devices

A system and method for reducing power consumption in a mobile communication device is disclosed. The device may have multiple subscriber identity modules (sims), wherein each sim is associated with a subscription. ... Qualcomm Incorporated

03/08/18 / #20180070260

Enhanced rts/cts enablement and detection

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be an ap that requests a plurality of stas to jointly enable and disable an mrp based on at least one of that each sta of the stas has uplink traffic with the ap or that each sta of a subset of the stas has a hidden node. ... Qualcomm Incorporated

03/08/18 / #20180070256

Systems and methods for radio resource management

Systems and methods providing radio resource management (rrm) to facilitate the co-existence of the neighboring cells, such as to manage radio resources for deployments utilizing a same frequency or overlapping frequencies, using discovery signal transmission are disclosed. Discovery signal transmission may be used to enable network elements of a wireless communication system to discover other network elements of the wireless communication system, whether such other network elements are operating with respect to a cell of a same or different operator. ... Qualcomm Incorporated

03/08/18 / #20180070252

Back-off mechanisms for fair joint access of unlicensed sidelink

Aspects of the disclosure relate to back-off mechanisms for fair joint access of an unlicensed sidelink channel. Each sidelink device may perform independent and asynchronous listen before talk (lbt) of the unlicensed sidelink channel with a respective back-off timer initialized with a back-off value selected to provide fair access to the unlicensed sidelink channel by both active sidelink devices and other devices utilizing the unlicensed sidelink channel. ... Qualcomm Incorporated

03/08/18 / #20180070251

Techniques for generating a composite color to represent values of a communication metric

Aspects of the present disclosure generally relate to wireless communications. In some aspects, a device may receive information identifying a plurality of measurements of a communication metric related to a network at a plurality of time intervals. ... Qualcomm Incorporated

03/08/18 / #20180070243

Unlicensed spectrum operation for narrowband internet of things and enhanced machine type communication

Methods, systems, and devices for wireless communication are described. A user equipment (ue) and base station may communicate using narrow band internet of things (nb-iot) techniques or enhanced machine type communication (emtc) in unlicensed spectrum. ... Qualcomm Incorporated

03/08/18 / #20180070242

New radio (nr) procedures for shared spectrum

Certain aspects of the present disclosure provide techniques for protecting overhead and common channel transmissions in a nr shared spectrum system. A bs of a first operator may receive information regarding at least one overhead transmission associated with a wireless device of a second operator and may protect one or more overhead signal transmissions of the wireless device based, at least in part, on the received information. ... Qualcomm Incorporated

03/08/18 / #20180070209

Robust reference signal time difference measurements

Disclosed embodiments pertain to combining reference signal time difference (rstd) measurements from partial measurement sessions that result when a single measurement session is interrupted by one or more interruption events including out of service (oos) or inter-frequency handover (ifh) events. In some embodiments, first time of arrival (toa) measurements of cellular signals during a plurality of discontiguous partial measurement sessions separated by one or more interruption events may be obtained. ... Qualcomm Incorporated

03/08/18 / #20180070110

Tree-type coding for video coding

An example device includes a memory to store the video data, and processing circuitry in communication with the memory. The processing circuitry is configured to compare a value of a dimension of a current block of the stored video data to a value of a corresponding dimension of a neighboring block of the current block to obtain a relative dimension value. ... Qualcomm Incorporated

03/08/18 / #20180070107

Signaling target display parameters of color remapping information supplemental enhancement information messages

This disclosure describes techniques for communicating optimal coding parameters between a source device and a sink device. The sink device may receive, in a bitstream, video data and a group of one or more supplemental enhancement information (sei) messages, wherein each sei message comprises indications of a set of display capabilities and a set of remapping parameters. ... Qualcomm Incorporated

03/08/18 / #20180070105

Sub-pu based bi-directional motion compensation in video coding

Techniques are described in which a video decoder is configured to partition, into a plurality of sub-blocks, a block of a picture of the video data. The video decoder is further configured to, for each respective sub-block of the plurality of sub-blocks, derive a respective first motion vector of the respective sub-block based on motion information for at least two blocks neighboring the respective sub-block. ... Qualcomm Incorporated

03/08/18 / #20180070100

Geometry-based priority for the construction of candidate lists

In one example, a device includes a memory configured to store the video data; and one or more processors implemented in circuitry and configured to determine a plurality of distances between a first representative point of a current block of video data and a plurality of second representative points of neighboring blocks to the current block, add one or more of the neighboring blocks as candidates to a candidate list of the current block in an order according to the distances between the first representative point and the second representative points, and code the current block using the candidate list. The candidate list may be, for example, a merge list, an amvp list, or a most probable mode list. ... Qualcomm Incorporated

03/08/18 / #20180070089

Systems and methods for digital image stabilization

A method of digital image stabilization is described. The method includes performing feature-based digital image stabilization (dis) on an image. ... Qualcomm Incorporated

03/08/18 / #20180070008

Techniques for using lip movement detection for speaker recognition in multi-person video calls

Certain aspects of the present disclosure generally relate to using lip movement detection for speaker recognition in multi-person video calls. In some aspects, a device may determine a parameter associated with lip movement of a participant included in a plurality of participants on a same end of a video call. ... Qualcomm Incorporated

03/08/18 / #20180069918

Systems and methods for selecting media items

A device includes an image capture device configured to capture a first video. The device includes a memory configured to store one or more videos. ... Qualcomm Incorporated

03/08/18 / #20180069846

Peer to peer identifiers

In an ad hoc peer-to-peer type network during peer discovery, information relating to users of various devices is broadcast to other devices in the network, which can compromise privacy of the users. Instead of announcing a public identifier that might be known by a multitude of individuals, the user device announces a private identifier that might be known to, or determined by, a select few individuals. ... Qualcomm Incorporated

03/08/18 / #20180069836

Tiered attestation for resource-limited devices

A method operational at a gateway device is provided to facilitate attestation of client devices by an attestation recipient device. The gateway device may obtain attestation metadata from a metadata service. ... Qualcomm Incorporated

03/08/18 / #20180069750

Cell-specific reference signal (crs) and control channel configuration in wireless communications

Efficient cell-specific reference signal (crs) and control channel configurations may be established dynamically based on channel conditions for one or more user equipment (ue) that may be served by a transmission. A base station may configure a crs for a transmission time interval (tti) based at least in part on a channel quality of one or more ues that are to receive transmissions during the tti. ... Qualcomm Incorporated

03/08/18 / #20180069691

Differentiating-integrating sampling data receiver

A serial data receiver may include an edge detector and a digital integrator. The edge detector may be configured to provide one or more edge detection signals defining an edge detection indication in response to a comparison between two successive samples of a receiver input signal. ... Qualcomm Incorporated

03/08/18 / #20180069681

Signaling mechanism to enable local operation for multi-antenna wireless communication systems

An apparatus capable of self-calibration in a low-interference environment is desired. In an aspect, the apparatus may be a user equipment (ue) or a neighboring base station. ... Qualcomm Incorporated

03/08/18 / #20180069677

Pre-association multi-user acknowledgement

Certain aspects of the present disclosure relate to communicating acknowledgements to multiple un-associated stations simultaneously. Certain aspects of the present disclosure provide a method for wireless communications by an access point (ap). ... Qualcomm Incorporated

03/08/18 / #20180069673

Reciprocal channel sounding reference signal multiplexing

Systems and techniques are disclosed to enhance the efficiency of available bandwidth between ues and base stations. A ue transmits a sounding reference signal (srs) to the base station. ... Qualcomm Incorporated

03/08/18 / #20180069639

Signaling mechanism to enable local operation for multi-antenna wireless communication systems

An apparatus capable of performing a local operation in a low-interference environment is desired. In an aspect, the apparatus may be a user equipment (ue). ... Qualcomm Incorporated

03/08/18 / #20180069589

Narrowband communication for different device capabilities in unlicensed spectrum

Methods, systems, and devices for wireless communication are described. Resources for narrowband communication in an unlicensed radio frequency spectrum band may be configured and allocated based on resource availability, regulatory constraints, and device capability or category. ... Qualcomm Incorporated

03/08/18 / #20180069535

Adaptive pulse generation circuits for clocking pulse latches with minimum hold time

Adaptive pulse generation circuits for clocking pulse latches with minimum hold time are provided. In one aspect, an adaptive pulse generation circuit employs a dynamic xor-based logic gate configured to provide a pulse generation signal based on an xor-based function of data input and data output-based signals of a pulse latch. ... Qualcomm Incorporated

03/08/18 / #20180069419

System and method for prevention of wireless charging cross connection

A system and method for charging a chargeable device is provided. The system can include a wireless charger including a wireless power transmitter d configured to generate a wireless charging field in at least one charging region. ... Qualcomm Incorporated

03/08/18 / #20180069079

Semiconductor devices including trap rich layer regions

In a particular aspect, a device includes a substrate including a first trap rich layer region and a second trap rich layer region. The first trap rich layer region is separated from the second trap rich layer region by a portion of the substrate. ... Qualcomm Incorporated

03/08/18 / #20180068886

Porous semiconductor layer transfer for an integrated circuit structure

An integrated radio frequency (rf) circuit structure may include an active device on a front-side surface of a semiconductor device layer. A backside surface opposite the front-side surface of the semiconductor device layer may be supported by a backside dielectric layer. ... Qualcomm Incorporated

03/08/18 / #20180068714

Lower power high speed decoding based dynamic tracking for memories

A memory is disclosed. The memory includes a memory array having a plurality of memory cells. ... Qualcomm Incorporated

03/08/18 / #20180068570

Systems and methods for managing restricted areas for unmanned autonomous vehicles

Methods, systems, and devices for providing data from a server to a uav, enabling the uav to navigate with respect to areas of restricted air space (“restricted areas”). A server may receive from a uav, a request for restricted area information based on a position of the uav. ... Qualcomm Incorporated

03/08/18 / #20180068456

Code domain power control for structured light

Systems and methods for controlling structured light laser systems are disclosed. One aspect is a structured light system. ... Qualcomm Incorporated

03/08/18 / #20180068451

Systems and methods for creating a cinemagraph

A method for generating a cinemagraph is described. The method includes determining optical flow information for a frame sequence. ... Qualcomm Incorporated

03/08/18 / #20180068106

Managing latency and power in a heterogeneous distributed biometric authentication hardware

Techniques for authenticating a biometric input are disclosed. An example of a biometric authentication system is configured to receive a biometric input, perform a first authentication process on the biometric input with an application processor, such that the first authentication process generates one or more authentication parameters, provide the one or more authentication parameters to a secure processor, perform a second authentication process on the biometric input on the secure processor, such that the second authentication process utilizes the one or more authentication parameters, and output an authentication score based on the second authentication process.. ... Qualcomm Incorporated

03/08/18 / #20180068101

Accessing a user equipment using a biometric sensor concurrently with an authentication pattern

The present application relates to authenticating a user of a user equipment (ue). Specifically, the described aspects include presenting for display an authentication pattern on a display of the ue after receiving an input representing a scan of a fingerprint. ... Qualcomm Incorporated

03/08/18 / #20180067768

System and method for data path aware thermal management in a portable computing device

Methods and systems for data path aware thermal management in a portable computing device (“pcd”) are disclosed. A trigger event may be received at a thermal module in the pcd. ... Qualcomm Incorporated

03/08/18 / #20180067679

Providing efficient lossless compression for small data blocks in processor-based systems

Providing efficient lossless compression for small data blocks in processor-based systems is provided. In one aspect, a method comprises receiving a plurality of input words. ... Qualcomm Incorporated

03/08/18 / #20180067542

Coherent interconnect power reduction using hardware controlled split snoop directories

Aspects include computing devices, apparatus, and methods implemented by the apparatus for implementing multiple split snoop directories on a computing device having any number of processors, any number of power domains, and any number of processor caches. For example, various aspects may include enabling a first split snoop directory for a first power domain and a second split snoop directory for a second power domain, wherein the first power domain includes a first plurality of processor caches and the second power domain includes at least one processor cache, determining whether all of the first plurality of processor caches are in a low power state, and disabling the first split snoop directory in response to determining that the first plurality of processor caches are in a low power state. ... Qualcomm Incorporated

03/08/18 / #20180067539

Ultra-low-power design memory power reduction scheme

The disclosure generally relates to a memory power reduction scheme that can flexibly transition memory blocks among different power states to reduce power consumption (especially with respect to leakage power) in a manner that balances tradeoffs between reduced power consumption and performance impacts. For example, according to various aspects, individual memory blocks may be associated with an access-dependent age, whereby memory blocks that are not accessed may be periodically aged. ... Qualcomm Incorporated

03/08/18 / #20180067515

Segregated test mode clock gating circuits in a clock distribution network of a circuit for controlling power consumption during testing

Segregated test mode clock gating circuits in a clock distribution network of a circuit for controlling power consumption during testing is provided. To reduce power consumption and current-resistance (ir) drop during testing of a circuit, existing clock gating circuits (e.g., clock gating cells (cgcs)) that control the functional mode of circuit blocks in the circuit are additionally test mode gated for hierarchical testing of the circuit. ... Qualcomm Incorporated

03/08/18 / #20180067214

Carrier-phase smoothing of code-phase measurements

An example of a method of determining a position of a device includes: receiving, with a receiver of the device, a signal from a reference emitter; obtaining a code phase measurement of the signal; obtaining a carrier phase measurement of the signal; calculating an intermediate quantity that is a function of the code phase measurement and the carrier phase measurement; calculating a carrier phase smoothed estimate of a code phase of the signal based, at least in part, on a robust aggregation of the intermediate quantity; and determining the position of the device based, at least in part, on the carrier phase smoothed estimate of the code phase.. . ... Qualcomm Incorporated

03/08/18 / #20180067196

Time-dependent filtering for lidar signals

Methods, computer-readable media, and apparatuses for estimating a distance of an object from a light detection and ranging (lidar) system is disclosed. In one embodiment, the method includes transmitting a first light signal towards the object using a lidar system, and detecting a second light signal by a light sensor to generate a detected signal. ... Qualcomm Incorporated

03/08/18 / #20180067195

Multi-tier light-based ranging systems and methods

Methods, systems, computer-readable media, and apparatuses for multi-tier light-based ranging are presented. One example method includes determining a first operating environment; selecting a first set of laser emitters from a plurality of sets of laser emitters based on the first operating environment, the first set of laser emitters having a first angular fov and a first effective range; detecting one or more objects within the first angular fov based on detected reflected laser light; determining a second operating environment different from the first operating environment; selecting a second set of laser emitters from the plurality of sets of laser emitters based on the second operating environment, the second set of laser emitters having a second angular fov narrower than the first angular fov and a second effective range greater than the first effective range; and detecting one or more objects within the second angular fov based on detected reflected laser light.. ... Qualcomm Incorporated

03/08/18 / #20180066998

Temporal temperature sensor position offset error correction

A temperature sensor position offset error correction power implementation include monitors (e.g., digital power monitor/meter) to measure activity on a die, and uses the activity measurements to compute real-time temperature offsets by converting activity to power, which can be used in a simplified compact thermal model. A system on chip including the die receives a temperature measurement of a region of the system on chip from a sensor. ... Qualcomm Incorporated

03/01/18 / #20180063883

Beam training for discontinuous reception (drx) mode operation

Aspects of the present disclosure relate to wireless communications and, more particularly, to configuration of reference signals for beam refinement, based on drx parameters. For example, a method of wireless communications by a base station may include determining a reference signal configuration for a user equipment (ue) based, at least in part, on one or more discontinuous reception (drx) parameters, and signaling the reference signal configuration and the one or more drx parameters to the ue.. ... Qualcomm Incorporated

03/01/18 / #20180063881

Efficient way of reacquiring a cell and resuming a data call on one subscription after tune away from other subscription for a multi-sim device

A method for reacquiring a cell after tune-away for an msms mobile communication device includes: measuring pilot signal energy of a cell on which a data call was suspended on a first subscription before tune-away; determining whether the measured pilot signal energy is less than a high threshold rssi value; determining whether a difference between a measured cell timing and a pre-tune-away cell timing is less than a first threshold timing value; determining whether a strongest pilot signal energy received on one of a plurality of rake fingers is greater than a low threshold rssi value; decreasing the low threshold rssi value for reacquiring the cell; and in response to determining that the measured rssi for the strongest pilot signal energy received on one of the plurality of the receiver rake fingers is not less than the decreased minimum threshold rssi value, reacquiring the cell and resuming the data call.. . ... Qualcomm Incorporated

03/01/18 / #20180063880

Fast return to embms service after lte goes oos in ss and dsds phones

A method for reacquiring a multimedia broadcast multicast service (mbms) after loss of a connection that includes: utilizing a radio frequency (rf) chain of a mobile communication device to receive a mbms service of interest on a first subscription; identifying a loss of a connection to the first subscription receiving the mbms service of interest; retrieving, from a memory operably connected to the rf chain, a plurality of frequencies associated with the first subscription, the plurality of frequencies communicating the mbms service of interest; and attempting reacquisition of the mbms service of interest over the first subscription on one of the retrieved plurality of frequencies prior to attempting to establish a connection on other frequencies not associated with the mbms service of interest.. . ... Qualcomm Incorporated

03/01/18 / #20180063878

Methods for txpool selection for lte-d code transmission

In device-to-device (d2d) communication in a licensed spectrum, selection of a transmit pool and distribution of codes to be transmitted to the transmit pools for more efficient transmission is desired, for a given period. The apparatus may a user equipment (ue) for d2d communication in a licensed spectrum. ... Qualcomm Incorporated

03/01/18 / #20180063868

Initial access procedure using preconfigured resources

In aspects, a user equipment may be configured to determine a preconfigured frequency band that is less than an available system bandwidth. The ue may be further configured to perform an initial access procedure with a base station using the preconfigured frequency band. ... Qualcomm Incorporated

03/01/18 / #20180063854

Acknowledgement message prioritization

Various aspects are described herein. In some aspects, the present disclosure provides a method for communicating in a wireless communication network. ... Qualcomm Incorporated

03/01/18 / #20180063849

Transmission and detection methods for range extension

Systems and methods are disclosed for decoding wireless signals. For example, a wireless device may receive a wireless signal, de-interleave the received wireless signal to produce a first encoded signal and a second encoded signal, generate a first set of a priori log likelihood ratios (llrs) by decoding and de-interleaving the first encoded signal, and recover a set of information bits from the received wireless signal based at least in part on the second encoded signal and the first set of a priori llrs.. ... Qualcomm Incorporated

03/01/18 / #20180063844

Incumbent protection consideration for intra-gaa channel assignment

Aspects of the present disclosure relate to methods and apparatus for allocating (or assigning) channels to different groups of wireless nodes in the case of co-channel coexistence between the different groups and interference to one or more other wireless nodes. One example method generally includes evaluating, for different assignments of channels to different groups of wireless devices that share bandwidth, an amount of transmission limitation imposed due to higher-tier protection, and assigning one or more of the channels to each of the groups, based on the evaluation.. ... Qualcomm Incorporated

03/01/18 / #20180063843

Data channel resource allocation

Wireless communications systems and methods related to allocating resource blocks and resource block groups in a system band in order to reduce overhead associated with resource allocation. To reduce overhead, the wireless communication device communicates a signal in a control channel that indicates a general area and a resource block in the general area that stores data. ... Qualcomm Incorporated

03/01/18 / #20180063835

Supporting different numerology configurations

In wireless communication systems that support 5g or nr protocols, subframes used for communication may have different numerology options. Numerology options may refer to the characteristics of the subframe such as a tone spacing within each symbol of the subframe, a symbol duration for each symbol of the subframe, a number of symbols in the subframe, etc. ... Qualcomm Incorporated

03/01/18 / #20180063834

Supporting different numerology configurations

In wireless communication systems that support 5g or nr protocols, subframes used for communication may have different numerology options. Numerology options may refer to the characteristics of the subframe such as a tone spacing within each symbol of the subframe, a symbol duration for each symbol of the subframe, a number of symbols in the subframe, etc. ... Qualcomm Incorporated

03/01/18 / #20180063829

Systems and methods for performing network configurable access and data transfer procedures

Mobile originated and terminated data transmissions are discussed. Communication devices such as user equipment (ue) can be dynamically configured by a network to send and receive data. ... Qualcomm Incorporated

03/01/18 / #20180063823

Systems and methods for downlink frequency domain multiplexing transmissions

Systems, methods, and devices for transmitting data are described herein. In some aspects, a method comprises generating a first message. ... Qualcomm Incorporated

03/01/18 / #20180063818

Control channel bandwidth determination

Aspects of the disclosure relate to determination of bandwidth, frequencies, or a set one or more of subbands that carries a downlink control channel. In some examples, a set of one or more subbands that carries a downlink control channel may be determined based on a function of a predetermined reference resource location. ... Qualcomm Incorporated

03/01/18 / #20180063816

Autonomous resource selection for multiple transmissions in device-to-device communications

A user equipment (ue) may communicate with one or more other ues using multiple transmissions in a device-to-device (d2d) communications deployment. A number of ues may be configured with d2d resources, and a transmitting ue may identify available d2d resources from the configured resources. ... Qualcomm Incorporated

03/01/18 / #20180063809

Passive positioning procedure and use of single burst asap ftm sessions

Techniques for estimating a position of an observing station are disclosed based on capturing, at the observing station, a first and a second ftm message exchanged between a first messaging station and a second messaging station. At the observing station, a first time of arrival of the first ftm message and a second time of arrival of the second ftm message may be determined. ... Qualcomm Incorporated

03/01/18 / #20180063799

Listen before talk design for spectrum sharing in new radio (nr)

Methods, systems, and devices for wireless communication are described. A wireless node may receive stress beacons on a channel. ... Qualcomm Incorporated

03/01/18 / #20180063794

System and method for reducing interference from neighboring wireless devices

A technique is disclosed for reducing interference in a communication system including a plurality of wireless devices. A first device transmits a frame (e.g., an rts frame or a cts frame) to a second device, the frame including information from which a non-target third device may use to estimate potential interference at the first device based on a proposed transmission to a fourth device. ... Qualcomm Incorporated

03/01/18 / #20180063784

Devices and methods for an efficient wakeup protocol

Aspects of the subject matter described in this disclosure can be implemented in an efficient wakeup protocol for discovery between two devices. A first device configured to transmit discovery signals can wake up at a predetermined drift time, and a second device configured to receive the discovery signals can wake up at a predetermined wakeup time shortly after the predetermined drift time. ... Qualcomm Incorporated

03/01/18 / #20180063783

Smart power saving scheme for lte advanced

Certain aspects of the present disclosure provide techniques for smart power saving at a user equipment (ue), comprising a first and second transmit chain. According to aspects, the ue may identify one or more subframes in which the second transmit chain is not scheduled for uplink (ul) transmissions, determine the first transmit chain is scheduled for ul transmissions during at least a portion of the identified subframes, and perform envelope tracking (et) for a scheduled uplink transmission using, at least portions of the first and second transmit chains during the determined at least a portion of the identified subframes.. ... Qualcomm Incorporated

03/01/18 / #20180063774

Utilizing network coverage information to perform public land mobile network searches

Various methods for performing public land mobile network (plmn) searches on a mobile communication device may include obtaining information about one or more radio access technologies (rats) for which network coverage is allowed by a network operator of a home plmn (hplmn) of the mobile communication device, selecting one of the one or more allowed rats, conducting a plmn search on the selected rat, and determining whether there are available plmns on the selected rat based on the plmn search. In some examples, the information about one or more rats for which network coverage is allowed by the network operator may be stored in a universal subscriber identity module (usim) on the mobile communication device. ... Qualcomm Incorporated

03/01/18 / #20180063765

Scheduling connected mode measurements for mobility operation

Methods, systems, and devices for wireless communication are described. A mobile device may receive a measurement configuration relating to signal measurements (e.g., neighboring cells, carriers, frequencies, etc.) which are performed by the mobile device in support of mobility and other behaviors. ... Qualcomm Incorporated

03/01/18 / #20180063747

Ip flow management for capacity-limited wireless devices

Capacity limited devices may initiate real-time internet protocol (ip) flows that may include voice data for voice calls. Talk-over patterns may be identified, and an ip flow may be modified based at least in part on the identified talk-over pattern. ... Qualcomm Incorporated

03/01/18 / #20180063746

Header compression for reduced bandwidth wireless devices

Improved methods, systems, devices, or apparatuses support header compression for reduced bandwidth wireless devices prior to an initial transmission that includes a real-time data payload. A data flow containing real-time multimedia data may be initiated between a ue and a base station. ... Qualcomm Incorporated

03/01/18 / #20180063742

Access point power save with duty cycling

Systems and methods for wireless communications are disclosed, such as an apparatus for wireless communications. The apparatus generally includes an interface for communicating with a plurality of wireless nodes via a plurality of antennas, a memory; and a processor coupled with the memory and configured to determine one or more indications for a set of network load factors for a wireless network of a plurality of wireless nodes and changing, based on the determined one or more indications for a set of network load factors, from a first set of radios used for communicating with at least one of the wireless nodes to a second set of radios used for communicating with at least one of the wireless nodes.. ... Qualcomm Incorporated

03/01/18 / #20180063735

Apparatuses and methods for cell measurements

Examples described herein relate to systems and methods for a wireless communication device to manage cell measurements, including, but not limited to, performing measurements based on a first measurement configuration message received from a network, receiving a second measurement configuration message from the network before the measurements based on the first measurement configuration message are completed, and continuing to perform measurements based on the first measurement configuration message after receiving the second measurement configuration message.. . ... Qualcomm Incorporated

03/01/18 / #20180063725

Mu-mimo grouping for a plurality of mu-mimo clients

Methods, systems, and devices for wireless communication are described for multiple-user (mu) multiple-input multiple-output (mimo) grouping for large numbers of mu-mimo clients. In one example, a method for wireless communication includes identifying, from a compressed beamforming (cbf) report, a noise parameter for communications with a user equipment (ue). ... Qualcomm Incorporated

03/01/18 / #20180063723

Apparatus and method for reducing address collision in short sector sweeps

Certain aspects of the present disclosure provide techniques to reduce address collision in short sector sweeps. In some cases, the techniques involve determining whether an encoded address (e.g., a compressed address), generated using a first parameter (e.g., a seed for a hash function), identifies a first wireless node and a second wireless node as a same destination for at least one first frame including the encoded address; generating at least one second frame including an indication not to use the first parameter if the encoded address identifies the first wireless node and the second wireless node as the same destination; and outputting the at least one second frame for transmission to at least one of the first wireless node or the second wireless node.. ... Qualcomm Incorporated

03/01/18 / #20180063719

Method and apparatus for timeslot swapping

All or a portion of a timeslot of a slotted communication system may be dynamically designated for transmitting or for receiving. For example, a timeslot originally designated for receiving information at a wireless node may be temporarily designated for transmitting information from the wireless node. ... Qualcomm Incorporated

03/01/18 / #20180063708

Apparatus and method for optimizing remote authentication of virtual subscriber identity module on dual-sim dual-standby device

A method for optimizing remote authentication of a virtual subscriber identity module (vsim) for a multi-subscriber identity module (sim) multi-standby (msms) mobile communication device includes: receiving a vsim authentication request from a vsim network; determining whether a previous packet switched (ps) connection between the vsim and the vsim network is available; in response to determining that the previous ps connection between the vsim and the vsim network is available, performing vsim authentication using the previous ps connection between the vsim and the vsim network.. . ... Qualcomm Incorporated

03/01/18 / #20180063707

Apparatus and method for mobility procedure involving mobility management entity relocation

A device that identifies entry into a new service area, transmits a service area update request to a network device associated with a network, receives a control plane message from the network indicating control plane device relocation or a key refresh due to a service area change in response, to transmitting the service area update request, and derives a first key based in part on data included in the control plane message and a second key shared between the device and a key management device. Another device that receives a handover command from a network device associated with a network, the handover command indicating a new service area, derives a first key based on data included in the handover command and on a second key shared between the device and a key management device, and sends a handover confirmation message that is secured based on the first key.. ... Qualcomm Incorporated

03/01/18 / #20180063693

Ue capability reporting for dual-polarization wireless communication

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment (ue). ... Qualcomm Incorporated

03/01/18 / #20180063691

Exchanging a recommendation of a set of d2d rat types for a proximity-based service and searching for a binary code that identifies a proximity-based service on at least one d2d rat type in accordance with a d2d rat sequence

In an embodiment, a prose server recommends d2d rat type(s) to a publisher based on subscriber d2d rat capability statistics that characterize d2d rat type capabilities of subscribers that subscribe to a proximity-based service in a location region. In an example, the publisher may then advertise the proximity-based service on the recommended d2d rat type(s). ... Qualcomm Incorporated

03/01/18 / #20180063680

Otdoa positioning via local wireless transmitters

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 improving otdoa positioning via one or more local wireless transmitters, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

03/01/18 / #20180063595

Terrestrial broadcast television services over a cellular broadcast system

Systems, methods, and devices of various embodiments enable the provision of providing terrestrial broadcast television services over a cellular broadcast system. In various embodiments, a processor of a network element of the cellular broadcast system may parse a terrestrial broadcast television service for one or more information elements. ... Qualcomm Incorporated

03/01/18 / #20180063574

System level signaling of sei tracks for media data streaming

In one example, a device for retrieving media data includes one or more processors implemented in circuitry and configured to parse system level information of a media bitstream encapsulating a video elementary stream, the system level information indicating that the video elementary stream includes one or more supplemental enhancement information (sei) messages and payload types for each of the sei messages, extract the one or more sei messages and the payload types from the system level information, and send the one or more sei messages and the payload types to one or more other processing units of the device.. . ... Qualcomm Incorporated

03/01/18 / #20180063553

Intra video coding using a decoupled tree structure

An example device includes a memory and processing circuitry in communication with the memory. The processing circuitry of a device is configured to form a most probable mode (mpm) candidate list for a chroma block of the video data stored to the memory, such that the mpm candidate list includes one or more derived modes (dms) associated with a luma block of the video data associated with the chroma block, and a plurality of luma prediction modes that can be used for coding luminance components of the video data. ... Qualcomm Incorporated

03/01/18 / #20180063548

Intra-coded video frame caching for video telephony sessions

Video telephony (vt) call management techniques are described. The techniques enable a device to cache intra-frame data at a pre-decoder-initialization stage. ... Qualcomm Incorporated

03/01/18 / #20180063531

Unification of parameters derivation procedures for local illumination compensation and cross-component linear model prediction

A device for coding video data can be configured to perform a parameter derivation operation to determine one or more first parameters for a first block of video data; performing the parameter derivation operation to determine one or more second parameters for a second block of video data that is coded in a different coding mode than the first block of video data; code the first block of video data based on the one or more first parameters; and code the second block of video data based on the one or more second parameters.. . ... Qualcomm Incorporated

03/01/18 / #20180063527

Cross-component filter

A video coding device generates first and second components of a current picture. Additionally, the video coding device determines a first parameter and a second parameter. ... Qualcomm Incorporated

03/01/18 / #20180063500

Color gamut adaptation with feedback channel

In general, this disclosure describes techniques for communicating preferred color gamut settings from a sink device to a source device. The source device may send, through a video interface, first video data to the sink device, which receives the first video data through the video interface. ... Qualcomm Incorporated

03/01/18 / #20180063179

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

Various embodiments include methods and a memory data collection processor for performing online memory data collection for memory forensics. Various embodiments may include determining whether an operating system executing in a computing device is trustworthy. ... Qualcomm Incorporated

03/01/18 / #20180063014

Apparatus and method for reordering data radio bearer packets

Aspects of the present disclosure provide various apparatuses and methods of reordering drb flow packets using an in-band solution to reduce delay due to data packet buffering in head-of-line blocking scenarios across multiple drb flows. When a packet of a flow is lost or not received, other flows carried in the same drb can forward later received packets without waiting for the missing packet to be retransmitted and received.. ... Qualcomm Incorporated

03/01/18 / #20180062903

Frame format with multiple guard interval lengths

Certain aspects of the present disclosure provide methods and apparatus for generating frames with portions utilizing different guard interval (gi) lengths. For example, an apparatus may include a processing system configured to generate a frame including a first portion with first blocks of symbols, including an end first block, surrounded by first guard interval (gi) sequences of a first gi length, and a second portion with second blocks of symbols, including a starting second block, surrounded by second gi sequences of a second gi length, and an interface for outputting the frame for transmission. ... Qualcomm Incorporated

03/01/18 / #20180062897

Frequency deviation reduction and delay compensation schemes in polar transmitters

Methods, systems, and devices for wireless communication at a polar transmitter are described including: clipping at least a portion of an orthogonal frequency division multiplexing (ofdm) signal that exceeds a first predetermined threshold in a first sample; transferring the clipped portion of the ofdm signal to at least a second sample; and transmitting, by the polar transmitter, the ofdm signal.. . ... Qualcomm Incorporated

03/01/18 / #20180062887

Using full ternary transcoding in i3c high data rate mode

Apparatus, systems and methods for improving coexistence on a multi-wire interface are disclosed. A method of transmitting data on a multi-wire interface includes providing a plurality of data bits in a word to be transmitted on the multi-wire interface, transcoding the word to be transmitted to obtain a first multi-digit ternary number representative of the numerical value of the word to be transmitted, inserting marker digits into the first multi-digit ternary number to obtain a second multi-digit ternary number, and generating a sequence of symbols. ... Qualcomm Incorporated

03/01/18 / #20180062883

C-phy training pattern for adaptive equalization, adaptive edge tracking and delay calibration

Methods, apparatus, and systems for data communication over a multi-wire, multi-phase interface are disclosed. A method of calibration includes configuring a 3-phase signal to include a high frequency component and a low frequency component during a calibration period, and transmitting a version of the 3-phase signal on each wire of a 3-wire interface. ... Qualcomm Incorporated

03/01/18 / #20180062819

Techniques for enabling quality of service (qos) on wlan for traffic related to a bearer on cellular networks

Techniques are described for managing qos parameters of a bearer for which at least a portion of bearer data is served over a wlan radio access technology. According to these techniques, a first device may identify a first set of one or more qos parameters for serving a bearer over a wireless wide area network (wwan). ... Qualcomm Incorporated

03/01/18 / #20180062811

Adapting to delay spread variation in wireless communication systems

Methods, systems, and devices for wireless communication are described. A user equipment (ue) and base station may dynamically update a reference signal pattern, a symbol prefix configuration, or both based on channel propagation conditions such as a delay spread, multipath propagation, or frequency selectivity. ... Qualcomm Incorporated

03/01/18 / #20180062810

Sounding reference signal enhancements

Aspects of the present disclosure provide methods and apparatuses for sounding reference signal (srs) enhancements. An exemplary method performed by a user equipment generally includes receiving information indicating a symbol, in a sub-frame of a radio frame used to communicate in the wireless network, for transmission of sounding reference signals (srss), wherein a location of the symbol in the sub-frame is based, at least in part, on a location of the ue and transmitting a srs in the symbol based on the received information.. ... Qualcomm Incorporated

03/01/18 / #20180062809

Demodulation reference signal sequence selection in device-to-device communication

A transmitting ue may in a device-to-device (d2d) communication may identify a demodulation reference signal (dmrs) sequence for a d2d transmission based at least in part on a subset of bits of a sidelink control information (sci) transmission. The subset of bits of the sci transmission may be selected such that the bits have sufficient variability to reduce the likelihood that multiple ues may use the same dmrs sequence. ... Qualcomm Incorporated

03/01/18 / #20180062801

Techniques for wireless communications in coordinated multi-point operation

Various aspects described herein relate to techniques for communications in a coordinated multi-point (comp) wireless communications system. In an aspect, a method of wireless communications may include transmitting, by a user equipment (ue), reference signal (rs) measurements for forming a comp cluster, receiving, at the ue from at least a base station in the comp cluster, a message including information of at least a first cyclic prefix (cp) length for a first uplink transmission, wherein at least the first cp length for the first uplink transmission is different from a second cp length used for a second uplink transmission, and transmitting, by the ue, the first uplink transmission using at least the first cp length. ... Qualcomm Incorporated

03/01/18 / #20180062797

Control transmission soft combining

Techniques are described for wireless communication. One method of wireless communication includes buffering a first set of coded bits including a first control message having a plurality of fields, buffering a second set of coded bits including a second control message having the plurality of fields, soft combining at least a first subset of the first set of coded bits and a second subset of the second set of coded bits in a combined set of coded bits, and decoding the first control message or the second control message based at least in part on the combined set of coded bits.. ... Qualcomm Incorporated

03/01/18 / #20180062781

Physical cell identification channel (pcich)

Aspects of the present disclosure provide for the transmission of a cell identifier of a serving cell to a user equipment (ue). A physical cell identification channel (pcich) is defined for carrying the cell identifier of the serving cell within an uplink-based mobility framework. ... Qualcomm Incorporated

03/01/18 / #20180062779

Parallel transmissions

Various aspects of the disclosure relate to communication involving parallel transmissions. In some aspects, a user equipment (ue) conducts two or more transmissions during the same time interval. ... Qualcomm Incorporated

03/01/18 / #20180062767

Transmitter beamforming for self-interference cancellation

Aspects of the present disclosure provide methods and apparatus for applying transmitter beamforming for self-interference cancellation. According to aspects, a method generally includes in an acquisition phase, iteratively acquiring received power measurements for different receive chains for transmissions sent via a plurality of beam directions; estimating a self-interference subspace eigenvector based, at least in part, on the received power measurements; based on the estimated self-interference subspace eigenvector, performing a local search of a nullspace to identify a filtering eigenvector; and applying the filtering eigenvector to one or more transmission chains to cancel self-interference on one or more receive chains.. ... Qualcomm Incorporated

03/01/18 / #20180062720

Mapping between a control beam and a data channel beam

There is a need for a beam tracking technique that reduces the time needed to perform a beamforming procedure and that reduces beam overhead. The apparatus may determine a mapping between a first beam associated with a first type of channel and a second beam associated with a second type of channel. ... Qualcomm Incorporated

03/01/18 / #20180062719

Modalities to trigger air-interface beamforming in virtual reality use cases

Methods, systems, and devices for wireless communication are described, including: generating, by a first device having at least a first antenna, a first transmission radiation profile for the first antenna; receiving, by the first device, feedback from a second device that is indicative of a position and an orientation of the second device relative to the first device, the position and the orientation described by one or more euler angles; comparing, by the first device, the feedback received from the second device to a predetermined threshold for a trigger that alters a beamwidth of the first antenna; and generating, by the first device, a second transmission radiation profile for a second antenna of the first device based at least in part on the feedback satisfying the predetermined threshold.. . ... Qualcomm Incorporated

03/01/18 / #20180062709

Tiered control of iterative mimo receivers

In order to balance the power requirements of a mimo receiver with the gains that may be achieved through its use, an apparatus determines whether a current configuration of the ue supports iterative mimo reception. When it is determined that the current configuration of the ue supports iterative mimo reception, the apparatus determines whether at least one parameter of the received signal is within a corresponding target condition, respectively, for each of the at least one parameters, e.g., including determining whether a scheduling percentage meets a scheduling threshold and whether an error rate is within an error rate range. ... Qualcomm Incorporated

03/01/18 / #20180062708

Overlapping cluster architecture for coordinated multipoint (comp)

Techniques for overlapping cluster architecture for coordinated multipoint (comp) are provided. According to certain aspects, a method of wireless communication by a transmission point is provided. ... Qualcomm Incorporated

03/01/18 / #20180062707

Carrier aggregation under different subframe structures

Aspects of the present disclosure provide a method for wireless communication by a wireless communications device in a wireless network, for example, for enabling carrier aggregation (ca) and dual connectivity (dc) under different subframe structures in a 5g system. In certain cases, enabling ca and dc in a 5g system may involve configuring and grouping component carriers based on a numerology criteria associated with each component carrier. ... Qualcomm Incorporated

03/01/18 / #20180062655

Level-shifter with defined power-up state and increased density

A level-shifter is provided in which the devices may all be sized approximately the same yet a known startup state is provided at power-up by forming the level-shifter using a one-sided nmos latch. The one-sided nmos latch is powered through a pair of head-switch transistors. ... Qualcomm Incorporated

03/01/18 / #20180062636

Floating gate switch

Various aspects of this disclosure describe configuring and operating a transistor switch. Examples include a self-biasing circuit that contains a diode-connected transistor whose source or drain is connected to the gate of a transistor configured as a switch. ... Qualcomm Incorporated

03/01/18 / #20180062617

Single-chip multi-frequency film bulk acoustic-wave resonators

A single-die multi-fbar (film bulk acoustic resonator) device includes multiple fbars having different resonant frequencies formed over a single substrate. The fbars include piezoelectric layers having different thicknesses but with upper electrodes formed at a same height over the substrate, lower electrodes at different heights over the substrate, and different sized air gaps separating the lower electrodes from the substrate.. ... Qualcomm Incorporated

03/01/18 / #20180062592

Reconfigurable power amplifier

A power amplifier circuit, including: an input node configured to receive a radio frequency (rf) signal; an output node configured to output an amplified rf signal; a main path switchably coupled between the input node and the output node, and including a first plurality of amplification stages to generate a first amplified rf signal; a bypass path switchably coupled between the input node and the output node, and including at least one second amplification stage to generate a second amplified rf signal; and a coupling switch configured to reuse at least a portion of the bypass path to drive the main path to generate a third amplified rf signal.. . ... Qualcomm Incorporated

03/01/18 / #20180062001

Variable capacitor based on buried oxide process

Certain aspects of the present disclosure provide a semiconductor variable capacitor based on a buried oxide process. The semiconductor variable capacitor generally includes a first conductive pad coupled to a first non-insulative region and a second conductive pad coupled to a second non-insulative region. ... Qualcomm Incorporated

03/01/18 / #20180061943

Field-effect transistor (fet) devices employing adjacent asymmetric active gate / dummy gate width layout

Field-effect transistor (fet) devices employing an adjacent asymmetric active gate/dummy gate width layout are disclosed. In an exemplary aspect, a fet cell is provided that includes a fet device having an active gate, a source region, and a drain region. ... Qualcomm Incorpo