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Qualcomm Incorporated patents


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.

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 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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

 new patent  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








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