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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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Restricting bearers in a connection
Certain aspects of the present disclosure relate to methods and apparatus for restricting bearers in a connection. An exemplary method generally includes configuring one or more radio bearers for communicating with the network, determining that data associated with at least one radio bearer of the one or more radio bearers needs to be transmitted, selectively activating the at least one radio bearer based on the determination that the data associated with the at least one radio bearer needs to be transmitted, transmitting the data over the at least one activated radio bearer.. ... Qualcomm Incorporated
Radio resource control (rrc) entity selection for rrc messages
Certain aspects of the present disclosure relate to methods and apparatus for radio resource control (rrc) entity selection for rrc messages using communications systems operating according to new radio (nr) technologies. Certain aspects provide a method for wireless communication. ... Qualcomm Incorporated
Mechanisms for establishing user plane connectivity for non-3gpp access
Methods, systems, and devices for wireless communication are described. A wireless device transmits an indication of whether the device should be paged over a 3gpp access when a core network has data ready to transmit for pdu sessions over a non-3gpp access. ... Qualcomm Incorporated
Local area data network connectivity
Certain aspects of the present disclosure relate to methods and apparatus relating to local area data network connectivity. In certain aspects, a method for use by a network device includes determining a set of available local area data networks (ladns) for a user equipment (ue) based on a subscription of the ue to a set of data network names (dnns) corresponding to the set of available ladns and sending the ue information indicative of the set of available ladns and a location of availability corresponding to each of the ladns of the set of available ladns.. ... Qualcomm Incorporated
Mobility enhancement with channel state information reference signals (csi-rs)
Certain aspects may help enhance mobility of a ue, for example, utilizing downlink and/or uplink reference signals to assist in locating and/or handing over a ue in a cell with multiple transmit reception points (trps).. . ... Qualcomm Incorporated
Scheduling requests and buffer status reports for low latency wireless communications
A base station may transmit a grant to user equipment (ues), indicating uplink resources for transmission of pending data at a ue. Uplink resources may include uplink resources associated with transmission time intervals (ttis) and/or shortened ttis (sttis). ... Qualcomm Incorporated
Techniques and apparatuses for temporary modification of periodic grants
Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device such as a user equipment may receive an indicator associated with a periodic grant configuration, wherein the indicator identifies a release of a subsequent resource allocation of the one or more processors; and/or skip at least one communication period for traffic associated with the subsequent resource allocation of the one or more processors based at least in part on receiving the indicator. ... Qualcomm Incorporated
Opportunistic uplink transmission
Aspects of the present disclosure provide for opportunistic uplink transmissions within a slot. In some examples, after scheduling all regular uplink transmissions within a current slot, a base station (e.g., gnb) may identify a set of unused uplink resources within the current slot and generate and transmit unused resource information identifying the set of unused resources to the user equipment (ue) within the cell served by the base station. ... Qualcomm Incorporated
Time division duplex (tdd) subframe structure supporting single and multiple interlace modes
Aspects of the present disclosure provide a time division duplex (tdd) subframe structure that supports both single and multiple interlace modes of operation. In a single interlace mode, control information, data information corresponding to the control information and acknowledgement information corresponding to the data information are included in a single subframe. ... Qualcomm Incorporated
Quality of service configurations for radio bearers with multiple data flows
Methods, systems, and devices for wireless communication are described. A wireless communications system may establish radio bearers for certain data transmissions between a user equipment (ue) and a base station. ... Qualcomm Incorporated
Transport block boundary flexibility
Methods and apparatus for providing transport block boundary flexibility are disclosed. In some aspects, a transmitter determines a plurality of blocks within a single transmission time interval (tti), and transmits the plurality of blocks within the single tti. ... Qualcomm Incorporated
Ue-specific slot structure configuration
Aspects of the present disclosure relate to wireless communication systems configured to provide user equipment (ue)-specific slot structures based on the individual propagation delay experienced by each ue. In some examples, the duration of uplink transmissions for a particular ue within a slot may be configured based on the propagation delay between the base station and that particular ue. ... Qualcomm Incorporated
Scheduling request for one or more uplink transmissions using narrowband communications
The present disclosure may support dedicated scheduling request resources in a npusch format resource structure, a nprach, and/or an ack/nack transmission associated with a downlink transmission received at the ue. In addition, the present disclosure may provide various techniques to mitigate collisions between scheduling requests transmitted by a ue, uplink transmissions sent by different ues, and/or downlink transmissions sent by a base station. ... Qualcomm Incorporated
Handling overhead messages in 5g
Certain aspects of the present disclosure relate to methods and apparatus for handing overhead messages in new radio (nr). An exemplary method generally includes receiving a first overhead message of a first type comprising first configuration information for the ue, determining a first priority level of the configuration information in the first overhead message, taking one or more first actions based on the first priority level, attempting to receive a second overhead message of a second type comprising second configuration information for the ue, if the second overhead message is received, determining a second priority level of the second configuration information in the second overhead message, taking one or more second actions based on the second priority level.. ... Qualcomm Incorporated
User equipment antenna calibration with assistance from other devices
The present disclosure describes over-the-air ul-dl reciprocity calibration of ues. In some embodiments, the ue may perform the calibration at the ue, while in other embodiments the bs may determine the calibration parameters for a ue and send the parameters to the ue for implementation. ... Qualcomm Incorporated
Techniques for dual-mode operations in new radio
Apparatus and methods of wireless communications operating in a wideband new radio (nr) system include identifying a system bandwidth value of a cell, and identifying a user equipment (ue) bandwidth capability. Additionally, the aspects include determining a ue-specific set of bandwidth parts each having a ue-specific bandwidth based on the system bandwidth value and the ue bandwidth capability, and communicating with the cell using at least one of the ue-specific set of bandwidth parts. ... Qualcomm Incorporated
Slot format indicator (sfi) and slot aggregation level indication in group common pdcch and sfi conflict handling
Certain aspects of the present disclosure provide techniques for a slot format indicator (sfi) and slot aggregation level indication in a group common physical downlink control channel (gc pdcch) and conflict handling for the sfi. According to certain aspects, a method of wireless communication by a base station (bs) is provided. ... Qualcomm Incorporated
Legacy and new radio coexistence frame and control design
Aspects of the disclosure relate to next generation (e.g., fifth generation or 5g) cells that support legacy radio access technologies by sharing a carrier between 5g and legacy transmissions. To facilitate coexistence between legacy and 5g transmissions, a configurable slot structure may be utilized for 5g transmissions. ... Qualcomm Incorporated
Uplink control channel configuration for wireless communications
Methods, systems, and apparatuses for wireless communication are described. In some wireless systems (e.g., new radio (nr) systems), a system may employ fixed or variable length uplink burst regions (e.g., in an uplink-centric slot). ... Qualcomm Incorporated
Single slot short pucch with support for intra slot frequency hopping
Various features related to design and implementation of a single slot spucch are described. In an aspect, the single slot spucch supports intra-stti frequency hopping. ... Qualcomm Incorporated
Techniques and apparatuses for waveform signaling for downlink communications
When a base station is capable of using multiple different types of waveforms for a downlink communication to a ue, the ue may waste processing resources attempting to receive and/or process the downlink communication. For example, the ue may cycle through various possible types of waveforms in an attempt to process the downlink communication. ... Qualcomm Incorporated
Multi-link control beam switching
Certain aspects of the present disclosure provide techniques for switching control beams in multi-link systems using new radio (nr) technology multiple-input multiple-output (mimo) techniques. A user equipment (ue) may obtain a configuration from a base station (bs) comprising at least one first pattern of beams to monitor when performing a beam recovery procedure, communicate using beamforming, with the bs, via an active transmit and receive beam pair, determine a beam failure of the active transmit and receive beam pair, and monitor the beams according to the first pattern in response to the beam failure.. ... Qualcomm Incorporated
Crs bandwidth signaling
In order to more efficiently use system resources and to reduce power usage, a narrowband apparatus may determine a set of monitored resource blocks (rbs) on a subframe for monitoring for crs from a base station may monitor for the crs from the base station on the subframe based on the set of monitored rbs. The base station may determine a bandwidth for transmitting the crs to a user equipment, wherein the bandwidth is less than a system bandwidth and may transmit the crs to the ue using the determined bandwidth, wherein the ue monitors for the crs on a set of monitored rbs. ... Qualcomm Incorporated
Techniques for communicating synchronization signal block index in a timing synchronization signal
Techniques are described for wireless communication. In one method, a user equipment (ue) receives a timing synchronization signal (tss) and a physical broadcast channel (pbch), with the tss based at least in part on a timing of the tss within a broadcast channel transmission time interval (bch tti); determines the timing of the tss within the bch tti; and demodulates the pbch based at least in part on the tss. ... Qualcomm Incorporated
Low latency enhancements to cv2x autonomous resource selection and re-selection procedure for vehicle-to-vehicle communications
Low latency enhancements for communication systems, including autonomous driving and/or selection scenarios, are provided. A method for communication includes monitoring communication resources in a communication system, determining a set of candidate resources to use for subsequent transmission of information within a time window such that the time window is minimized based on a desired communication latency parameter that considers at least one or more of communication channel congestion and a priority of transmission, determining a set of lowest energy resources from the set of candidate resources, selecting a low energy resource from the set of lowest energy resources, and transmitting data on the selected low energy resource. ... Qualcomm Incorporated
Method and/or system for positioning from a reference signal
Techniques are provided that provide for or otherwise support positioning and related services for mobile devices via wireless signals. In an example, a mobile device may receive from a location server one or more messages comprising positioning assistance data indicating at least an operating frequency band of a terrestrial positioning signal (tps). ... Qualcomm Incorporated
Techniques for communicating synchronization signal block index in a physical broadcast channel payload
A user equipment (ue) receives a first synchronization signal (ss) block including a first codeword and a second ss block including a second codeword. Each codeword is based on a linear encoding of a physical broadcast channel (pbch) payload. ... Qualcomm Incorporated
Methods and apparatus for uplink power control
Certain aspects of the present disclosure relate to methods and apparatus for uplink power control when at least two separate power control algorithms are utilized for adjusting transmission power of uplink transmissions on one or more uplink channels to one or more access points. The method includes transmitting one or more power headroom report (phr) based on channel and/or system parameters. ... Qualcomm Incorporated
Methods for adapting beam scanning frequencies in millimeter wave systems
Technology herein selectively adjusts the frequency with which beam scanning is performed. Systems and methods herein determine present conditions of the ue and determine whether adjusting the current frequency of beam scanning is desired. ... Qualcomm Incorporated
Network discovery for wireless communications
Methods, systems, and devices for wireless communication are described. A user equipment (ue) may receive network search information related to the accessible bands. ... Qualcomm Incorporated
Binary tree based pdcch search space design
A method and apparatus for enhancing channel estimation by using a binary tree based pdcch search space in a new radio wireless communication system is disclosed. For example, a ue may identify an aggregation level profile having an aggregation level value for one or more aggregation levels, wherein each aggregation level corresponds to a respective number of resources to use for decoding a pdcch, determine one or more decoding candidates for the ue from among a plurality of available decoding candidates defined as nodes in a binary tree for a search space based on the aggregation level profile, determine respective cces corresponding to each of the one or more decoding candidates, each respective cce including one or more regs, and performing channel estimation for each of the respective cces for use in demodulating and decoding downlink control information for the ue in the pdcch.. ... Qualcomm Incorporated
Interactive data sharing mechanism for improved user experience
Various aspects related to enabling data sharing between devices based on various parameters associated with the devices and/or that potentially affect the quality of requested service, are described. In an aspect, a first ue receives a request for a data service from a second ue, sends a report including a set of parameters measured by the first ue to the second ue, determines whether to operate as a hotspot to provide the data service based on the set of parameters, and provides the data service upon determining to operate as the hotspot. ... Qualcomm Incorporated
Systems and methods for enhanced network handoff to wireless local area networks
A method of managing a wireless device includes receiving location information via a wireless wide area network interface and identifying a set of access points within connection range of the wireless device via a wireless local area network interface using the location information. The method also includes transmitting information associated with the set of access points to the wireless device via the wireless wide area network interface and transmitting station information associated with the wireless device to an access point within connection range of the wireless device. ... Qualcomm Incorporated
Enhanced steering in a network having multiple access points
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer-readable media, for steering an association of a device in a network having multiple access points (aps). In one aspect, a first ap can obtain per-ap metric information regarding a plurality of other aps in the network. ... Qualcomm Incorporated
Beam-aware handover procedure for multi-beam access systems
Methods, systems, and devices for wireless communication are described for a beam-aware handover procedure for multi-beam access systems. A source base station may determine that a handover request is to be sent to a target base station in preparation for handover of a user equipment (ue) from the source base station to the target base station, and transmit the handover request to the target base station with an indication of whether the handover is to be delayed. ... Qualcomm Incorporated
Preferred path network scheduling in multi-modem setup
Systems, methods, and devices of the various embodiments provide for multipath transport of internet protocol (ip) packets by a computing device including a plurality of modems. In various embodiments, ip packets may be assigned to a selected one of a plurality of modems for transport based on available bandwidths of each of the plurality of modems.. ... Qualcomm Incorporated
Channel reservation techniques for millimeter wave systems
Methods, systems, and devices for wireless communication are described. A first device may receive a channel reservation request from a second device, over a shared or unlicensed radio frequency spectrum band, the channel reservation request including a first expected response time duration to receive a channel reservation response in response to the channel reservation request. ... Qualcomm Incorporated
Techniques for buffer status report and scheduling request in new radio
Various techniques are proposed to enhance or expand the capabilities or usage of buffer status request (bsr) and scheduling request (sr) in new radio (nr) applications. In an implementation, techniques are proposed to extend the sr in long term evolution (lte) baseline with additional information to help a base station (e.g., gnb) schedule faster and more efficiently. ... Qualcomm Incorporated
Techniques and apparatuses for signal quality measurements for narrowband internet of things (nb-iot) devices
Techniques described herein permit a narrowband internet of things (nb-iot) user equipment (ue) to combine narrowband reference signals (nrs) with other signals, which the nb-iot ue already receives, to improve measurement accuracy. The ue may report whether the ue is capable of combining the nrs with another signal to determine a combined signal quality parameter, and may report the combined signal quality parameter to a base station.. ... Qualcomm Incorporated
Beam refinement for millimeter wave (mmw) system
Methods, systems, and devices for wireless communication are described for transmitting a first signal corresponding to a symbol so as to cover a geographic sector with via analog beamforming, transmitting, using analog beamforming and a second port, a second signal corresponding to the symbol, wherein aspects of the symbol are phase modulated with respect to the first signal such that corresponding aspects of a combined signal are beam-formed in one or more directions that at least partially overlap the geographic sector, a receiver receives the combined signal and from it determines a preferred refined beam for subsequent transmissions and transmits an indicator that includes the preferred refined beam, and the transmitter receives an indication from a receiver identifying one or more aspects of the combined signal, and determining a refined beam for subsequent transmissions based at least in part on the indication.. . ... Qualcomm Incorporated
Enhanced channel selection in a network having multiple access points
This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for enhanced channel selection in a network having multiple access points (aps). The enhanced channel selection may optimize the overall performance of the network by incorporating considerations about the impact on other aps in a big-picture view of the network. ... Qualcomm Incorporated
Reception of search spaces and grants in emtc
Design of search spaces and grants in enhanced machine-type communication (emtc) is discussed in which the search space for common control information is determined based on the search space for non-common control information. In addition, the monitoring of search spaces by mobile devices is also discussed. ... Qualcomm Incorporated
Methods to enable efficient intra-platoon communication
Methods, systems, and devices for wireless communication are described. A user equipment (ue), e.g., a lead platooning vehicle configured for wireless communications, may determine a communication resource requirement for a group of platooning vehicles. ... Qualcomm Incorporated
Signaling important video information in network video streaming using mime type parameters
An example device for retrieving media data includes one or more processors configured to retrieve a manifest file specifying data for at least one representation of a media presentation, wherein the manifest file includes data that specifies one or more codecs for the at least one representation, extract, from the manifest file, the data that specifies the one or more codecs, the data including a first element representing a sample entry type code of a track of the at least one representation, wherein the first element represents the sample entry type code using a restricted scheme, and a second element representing a restricted scheme type code for the restricted scheme of the track, and retrieve the media data of the at least one representation based on the first element and the second element.. . ... Qualcomm Incorporated
Signalling of summarizing video supplemental information
In various implementations, provided are techniques, as well as systems that implement these techniques, for sei messages that distinguish “essential” information from “non-essential” information. In various implementations, an encoder can be configured to determine whether information associated with video data is essential or is not essential. ... Qualcomm Incorporated
Motion vector difference (mvd) prediction
Techniques are described to increase the coding efficiency of information indicating a sign of a motion vector difference (mvd) component. A video coder may determine a mvd component sign predictor, and determine whether the mvd component sign predictor is the mvd component sign based on an indicator that is transmitted or received. ... Qualcomm Incorporated
Decoder-side motion vector derivation
A device for decoding video data determines a block of video data is coded in an inter prediction mode; implicitly determines that a decoder-side motion vector derivation (dmvd) mode is enabled for the block of video data; determines motion information for the block of video data; uses the motion information to determine a reference block in accordance with the dmvd mode; and generates a predictive block for the block of video data based on the reference block.. . ... Qualcomm Incorporated
Constraining motion vector information derived by decoder-side motion vector derivation
Techniques related to decoder-side motion vector derivation (dmvd) are described. For example, this disclosure describes techniques related to applying one or more constraints to motion information, such as a motion vector (mv) derived by dmvd, and/or a mv difference between an initial mv and an mv derived by dmvd. ... Qualcomm Incorporated
Tile-based processing for video coding
Example video encoding techniques are described. A video encoder may generate residual data for macroblocks for tiles of a current frame. ... Qualcomm Incorporated
Binary arithmetic coding with parameterized probability estimation finite state machines
For at least one respective bin of the bin stream, a decoder may determine, based on a state for the respective bin, an interval for the respective bin, and the offset value, a value of the respective bin. Additionally, the decoder determines one or more finite state machine (fsm) parameters for a next bin of the bin stream. ... Qualcomm Incorporated
Intra-prediction mode propagation
A method of decoding video data, including receiving a first block of video data encoded using an inter-prediction mode associating a first intra-prediction mode with the first block of video data, wherein the first intra-prediction mode is associated with a second block of video data, and determining a second intra-prediction mode for a neighbor block of video data based at least in part on the first intra-prediction mode.. . ... Qualcomm Incorporated
Adaptive parameters for coding of 360-degree video
Techniques and systems are provided for processing 360-degree video data. For example, a picture of the 360-degree video data can be obtained. ... Qualcomm Incorporated
Systems and methods for regionally controlling exposure time in high dynamic range imaging
Systems and methods are disclosed for detecting light sources and selectively adjusting exposure times of individual sensors in image sensors. In one aspect, a method includes capturing multiple images of a scene using a digital imager. ... Qualcomm Incorporated
Exhanging service capability exposure function (scef)-related information of a user equipment
A non-mno psp network maintains a table that maps external subscriber identifiers of ues to intermediate subscriber identifiers of the ues on an interface between the non-mno psp network and nhn(s). The non-mno psp network obtains an scef-related message including either an external subscriber identifier or an intermediate subscriber identifier for the ue. ... Qualcomm Incorporated
Exchanging message authentication codes for additional security in a communication system
In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may establish a communication link based on the 1905.1 protocol with at least one second ap. ... Qualcomm Incorporated
Application traffic pairing
Systems, devices, and methods for reporting information in real time about traffic generated by each application for a device are described. In one aspect, the network can configure a list of applications user equipment (ue) devices need to report traffic information for and then when one of these applications starts a communication, the ue may send traffic descriptor(s) describing the traffic generated by the application. ... Qualcomm Incorporated
Beam failure identification and recovery techniques
Methods, systems, and devices for wireless communication are described that support beam failure identification and recovery is systems that may use beamforming for uplink and downlink transmission beams. A first beam and a second beam may be configured, and the second beam may be used to identify a failure of the first beam. ... Qualcomm Incorporated
Partial subframe transmission techniques in shared radio frequency spectrum
Techniques provide for identification of a starting location for a transmission that provides a relatively short time period between completion of a successful contention-based access procedure (e.g., a listen before talk (lbt) procedure) and transmission of data between a base station and a user equipment (ue). In the event that an lbt procedure is successfully completed after the start of a subframe, an indication of a transmission may be transmitted at one of a number of predetermined points within the subframe time duration. ... Qualcomm Incorporated
Code block grouping and feedback that support efficient retransmissions
Methods, systems, and devices for wireless communication are described. A wireless device may transmit feedback, such as hybrid automatic repeat request (hard) feedback for groups of code blocks rather than for an entire transport block or individual code blocks. ... Qualcomm Incorporated
Dynamic transient period configurations for shortened transmission time intervals
Methods, systems, and devices for wireless communication are described that support dynamic transient period configurations for shortened transmission time intervals (sttis). A transient period may be configured within uplink transmissions such that protection is enabled for reference signals and data. ... Qualcomm Incorporated
Methods to mitigate inter-platoon interference
Methods, systems, and devices for wireless communication are described. A user equipment (ue), e.g., a vehicle in a group of platooning vehicles configured for wireless communications, may identify a travel direction of the group of platooning vehicles. ... Qualcomm Incorporated
Techniques for multi-cluster uplink transmissions
Various aspects described herein relate to techniques for multi-cluster uplink transmissions in wireless communications systems. A method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated
Hybrid automatic repeat request buffer configuration
Aspects of the present disclosure provide apparatuses, methods, and processes that can determine the number of concurrent hybrid automatic repeat request (harq) processes at a harq entity to facilitate efficient use of harq buffers and/or resources across different operating modes. An exemplary apparatus is configured to determine a number of harq processes based on a number of harq buffers, a maximum buffering time, and a slot duration. ... Qualcomm Incorporated
Downlink retransmission under unreliable code block group (cbg) level ack/nack feedback
Methods and apparatus are provided for downlink retransmission of code block groups (cbgs) when cbg level ack and nack feedback is unreliable. A user equipment (ue) transmits to a base station (bs) feedback indicating an acknowledgement (ack) or a negative acknowledgement (nack) corresponding to each of received set of cbgs transmitted by the bs to the ue. ... Qualcomm Incorporated
Flexible resource mapping and mcs determination
Certain aspects of the present disclosure relate to methods and apparatus for flexible resource mapping and modulation and coding scheme (mcs) determination in wireless communication systems. According to certain aspects, a method for wireless communications that may be performed by a transmitter is provided. ... Qualcomm Incorporated
Enhanced channel interleaving for optimized data throughput
In a transmission scheme wherein multi-slot packet transmissions to a remote station can be terminated by an acknowledgment signal from the remote station, code symbols can be efficiently packed over the multi-slot packet so that the remote station can easily decode the data payload of the multi-slot packet by decoding only a portion of the multi-slot packet. Hence, the remote station can signal for the early termination of the multi-slot packet transmission, which thereby increases the data throughput of the system.. ... Qualcomm Incorporated
Techniques and apparatuses for signal quality measurements for narrowband internet of things (nb-iot) devices
Techniques described herein permit a narrowband internet of things (nb-iot) user equipment (ue) to combine narrowband reference signals (nrs) with other signals, which the nb-iot ue already receives, to improve measurement accuracy. These other signals may require different modifications to be combined with the nrs depending on the type of signal. ... Qualcomm Incorporated
Techniques for selecting an antenna sub-array at a user equipment
Techniques are described for wireless communication at a user equipment (ue) having a plurality of antenna sub-arrays. One method includes performing an initial acquisition procedure with a base station using each antenna sub-array of a first subset of antenna sub-arrays, in which the first subset includes two or more antenna sub-arrays of the plurality of antenna sub-arrays; selecting an antenna sub-array from the first subset; and performing a random access procedure with the base station using the selected antenna sub-array. ... Qualcomm Incorporated
Techniques for beam discovery and beamforming in wireless communications
Various aspects described herein relate to techniques for beam discovery and beamforming in wireless communications (e.g., 5th generation (5g) new radio (nr)). In an aspect, a method related to signaling for channel state information reference signals (csi-rss) in wireless communications is provided. ... Qualcomm Incorporated
Robust uplink beam management
Various aspects of the disclosure relate to managing the transmission of uplink beams. For example, a first apparatus may generate a signal for transmission to a second apparatus. ... Qualcomm Incorporated
Differential channel state information (csi) reporting for higher resolution csi
Techniques and apparatus for differential channel state information (csi) reporting for high resolution csi are provided. One technique includes receiving a csi reference signal (csi-rs). ... Qualcomm Incorporated
Methods for beam switching in millimeter wave systems to manage thermal constraints
Systems and methods herein remedy thermal constraints experienced by wireless communication systems operating in the millimeter wave spectrum. User equipment (ue) having a plurality of antenna subarrays controlled by respective rfics monitor temperature gradients of respective sectors of the ue. ... Qualcomm Incorporated
Multi-band radio-frequency reception
Devices and techniques are described to extract specific frequency band signals from a wide-band radio-frequency signal. A network entity may include an antenna for receiving the wide-band radio-frequency signal and may include a receiver circuit for processing the wide-band radio-frequency signal. ... Qualcomm Incorporated
Parity bit channel assignment for polar coding
Methods, systems, and devices for wireless communication are described that support channel selection for parity bits in polar coding techniques. In some cases, an encoder or decoder of a wireless device may assign information bits, frozen bits, and parity check bits to polar channels of an encoder or decoder based on reliability metrics. ... Qualcomm Incorporated
Fractional clock generator with ramp control including fixed time interval and coarse/fine frequency change steps
A clock signal generator including a fractional clock divider and a frequency ramp control circuit. The fractional clock divider is configured to generate an output clock signal with a frequency being a divider ratio multiplied by a frequency of an input clock signal. ... Qualcomm Incorporated
Compound semiconductor field effect transistor gate length scaling
A compound semiconductor transistor may include a channel layer. The compound semiconductor transistor may also include a dielectric layer on the channel layer. ... Qualcomm Incorporated
Compound semiconductor field effect transistor with self-aligned gate
A compound semiconductor field effect transistor (fet) may include a channel layer. The semiconductor fet may also include an oxide layer, partially surrounded by a passivation layer, on the channel layer. ... Qualcomm Incorporated
Porous semiconductor handle substrate
An integrated circuit (ic) may include an active device layer on a front-side surface of a semiconductor device substrate. The ic may also include a front-side dielectric layer having a first surface opposite a second surface, the first surface contacting the active device layer. ... Qualcomm Incorporated
Method and apparatus for back-biased switch transistors
An integrated radio frequency (rf) circuit structure may include an active device on a first surface of an isolation layer. The integrated rf circuit structure may also include a back-bias metallization on a second surface opposite the first surface of the isolation layer. ... Qualcomm Incorporated
Signalling of video content including sub-picture bitstreams for video coding
In various implementations, modifications and/or additions to the isobmff are provided to process video data. A plurality of sub-picture bitstreams are obtained from memory, each sub-picture bitstream including a spatial portion of the video data and each sub-picture bitstream being independently coded. ... Qualcomm Incorporated
Advanced signalling of regions of interest in omnidirectional visual media
In various implementations, modifications and/or additions to the isobmff can indicate that a file that has been formatted according to the isobmff, or a format derived from the isobmff, includes virtual reality content. The file can include a restricted scheme information box, written into a track box in the file. ... Qualcomm Incorporated
Sphere pole projections for efficient compression of 360-degree video
Provided are systems and methods for processing 360-degree video data. In various implementations, a spherical representation of a 360-degree video frame can be segmented into a top region, a bottom region, and a middle region. ... Qualcomm Incorporated
Sphere equator projection for efficient compression of 360-degree video
Provided are systems and methods for processing 360-degree video data. In various implementations, a spherical representation of a 360-degree video frame can be segmented into a top region, a bottom region, and a middle region. ... Qualcomm Incorporated
Fingerprint sensor with bioimpedance indicator
An apparatus may include an ultrasonic sensor system, a platen, a set of bioimpedance electrodes proximate the platen and a control system configured for communication with the ultrasonic sensor system and the set of bioimpedance electrodes. The control system may be further configured for controlling the ultrasonic sensor system to transmit ultrasonic waves, receiving ultrasonic sensor signals from the ultrasonic sensor system corresponding to ultrasonic waves reflected from a portion of a body in contact with the platen, receiving bioimpedance measurements from the set of bioimpedance electrodes and estimating a status of one or more biometric indicators of the portion of the body based on the ultrasonic sensor signals and the bioimpedance measurements.. ... Qualcomm Incorporated
Multi-functional ultrasonic fingerprint sensor
Some disclosed methods involve controlling an ultrasonic sensor system to transmit ultrasonic waves and receiving signals from the ultrasonic sensor system corresponding to ultrasonic waves reflected from a finger positioned on a platen. The methods may involve obtaining fingerprint image data corresponding to the signals and determining a change in a force of at least a portion of the finger on the platen corresponding to the signals.. ... Qualcomm Incorporated
Biometric sensor with finger-force navigation
A mobile device may include a first fingerprint sensor, including a platen, residing on a first side of the mobile device, and a display residing on a second side of the mobile device. The second side may be opposite from the first side. ... Qualcomm Incorporated
Link time optimization in presence of a linker script using path based rules
A method for placing local symbols in an executable comprises determining an original output section for one or more symbols, storing original section metadata for each of the one or more symbols with intermediate representations of the one or more symbols, and determining an origin module identifier and storing origin module identifier metadata. The method comprises emitting each of the one or more symbols to one or more output sections based on the original section metadata and the origin module identifier metadata, extracting the original section metadata and origin module identifier metadata from the one or more symbols emitted to the one or more output sections, and overriding a name of a section with an original section name associated with the one or more symbols. ... Qualcomm Incorporated
Enhanced input using recognized gestures
A representation of a user can move with respect to a graphical user interface based on input of a user. The graphical user interface comprises a central region and interaction elements disposed outside of the central region. ... Qualcomm Incorporated
Systems, methods, and apparatus related to mutual detection and identification of electric vehicle and charging station
Systems, methods, and apparatus are disclosed for communicating with a charging system comprising a plurality of charging stations configured to charge an electric vehicle. At least one first signal is transmitted to the charging system via a first communication link while the electric vehicle is a first distance from at least one charging station of the plurality of charging stations. ... Qualcomm Incorporated
Enhanced session and mobility management interaction for mobile initiated connection only mode user equipments
Certain aspects of the present disclosure relate to methods and apparatus for enhancing interaction with a user equipment in a mobile initiated connection only (mico) mode.. . ... Qualcomm Incorporated
Broadcast or multicast physical layer configuration and channel structure
Methods, systems, and devices for wireless communication are described. Some wireless communications systems (e.g., new radio (nr) systems) may support the dynamic configuration of time intervals (or slots) for communication in a specific link direction (e.g., uplink, downlink, sidelink, etc.). ... Qualcomm Incorporated
User plane relocation techniques in wireless communication systems
Techniques for modification of data sessions may allow changing of user plane functions (upfs) that serve a data session. A ue may identify a user plane of a first data session is to be relocated from a first upf, and may initiate a second data session with a second upf using an identification associated with the first data session. ... Qualcomm Incorporated
Downlink and uplink transmissions for high reliability low latency communications systems
Methods, systems, and devices for wireless communication are described. Wireless communications systems as described herein may be configured to support several service types with different latency, reliability, or throughput rates or standards. ... Qualcomm Incorporated
Discovery of controller function for wireless backhaul using cellular radio access technology
Certain aspects of the present disclosure relate to methods and apparatus for discovering a controller function for wireless backhaul using cellular radio access technology (rat) such as communications systems operating according to new radio (nr) technologies. For example, such a method may include connecting to a parent relay that provides connectivity to a controller function (cf) of a network, receiving, from the parent relay, information regarding at least one of: the cf or a radio access network (ran) area covered by the cf, obtaining an identifier of the cf using the information, and connecting to the cf using the identifier.. ... Qualcomm Incorporated
Downlink and uplink transmissions for high reliability low latency communications systems
Methods, systems, and devices for wireless communication are described. Wireless communications systems as described herein may be configured to support several service types with different latency, reliability, or throughput rates or standards. ... Qualcomm Incorporated
Cross-carrier scheduling for wireless devices
Methods, systems, and devices for wireless communication are described for cross-carrier scheduling for wireless devices. In an example, a wireless device may monitor a control channel on a first carrier of a plurality of carriers to obtain a grant allocating resources to the wireless device within a shared data channel. ... Qualcomm Incorporated
Deafness reduction in preamble detection for medium sharing
Wireless communications systems and methods related to asynchronous medium sharing are provided. A first wireless communication device transmits a first channel reservation message to reserve a transmission opportunity (txop) in a shared spectrum. ... Qualcomm Incorporated
Policy communication via control plane signaling
Techniques are described herein to communicate policy information and policy information requests between user equipments (ues) and a core network using control plane signaling. In some examples, non-access stratum (nas) messages may be used to communicate policy information requests from a ue to the core network. ... Qualcomm Incorporated
Techniques and apparatuses for voice over long term evolution (volte) call prioritization for multiple carriers
Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a plurality of resource block allocations corresponding to a plurality of carriers. ... Qualcomm Incorporated
Channel feedback preceding downlink data transmissions in cellular iot systems
A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a ue. ... Qualcomm Incorporated
Periodic and aperiodic csi reporting procedures for enhanced licensed assisted access
In enhanced licensed assisted access (elaa), providing several approaches to report the csi measurement may be desirable to provide flexibility in csi reporting, especially in aperiodic csi reporting. Further, a difference in using a licensed carrier and an unlicensed carrier may be considered during communication. ... Qualcomm Incorporated
Periodic and aperiodic csi reporting procedures for enhanced licensed assisted access
In enhanced licensed assisted access (elaa), providing several approaches to report the csi measurement may be desirable to provide flexibility in csi reporting, especially in aperiodic csi reporting. Further, a difference in using a licensed carrier and an unlicensed carrier may be considered during communication. ... Qualcomm Incorporated
Multiplexing different services in wireless communications
Aspects of the present disclosure describe receiving control data for a slot of a first wireless service, where the control data indicates one or more partial slots of the slot that are intended for communications of the first wireless service. An indicator indicating whether data of the first wireless service is transmitted over at least one of the one or more partial slots can be received at a different time than the control data. ... Qualcomm Incorporated
Mcs/rank adjustment when multiplexing data in a control region
A base station may make more efficient use of resources by transmitting data in a control region of a slot in addition to a data region. In order to avoid performance loss, the base station may adjust the data transmission in the control region in comparison to a data transmission in a data region and may signal an indication to a ue to assist the ue in receiving the data transmission in the control region. ... Qualcomm Incorporated
Robust downlink positioning
Disclosed embodiments facilitate combining a plurality of wireless signal measurement sets with displacement measurements within some time interval of a position request to determine a user equipment (ue) position. A first set of wireless signal measurements may be obtained from a first set of base stations at a first time at a first location. ... Qualcomm Incorporated
Synchronization signal transmission in a new radio wireless communication system
A method and apparatus for configurable synchronization signal transmissions that reduce complexity of cell synchronization in a new radio wireless communication system is disclosed. For example, the method and apparatus may include generating a first synchronization signal burst set having a first set of synchronization signal blocks, generating at least a second synchronization signal burst set having a second set of synchronization signal blocks, transmitting the first synchronization signal block over a first frequency, and transmitting the second synchronization signal block over a second frequency.. ... Qualcomm Incorporated
User equipment operation in bandwidth narrower than synchronization signal bandwidth
A base station may identify that a user equipment (ue) supports operation within a ue bandwidth that is less than a synchronization signal bandwidth used by a wireless network to transmit a synchronization signal. The base station may then generate a synchronization signal raster (e.g., sub-raster) based at least in part on the ue bandwidth being less than the synchronization signal bandwidth. ... Qualcomm Incorporated
Techniques and apparatuses for control channel monitoring using a wakeup signal
Techniques described herein use a wakeup signal to indicate to a user equipment (ue) whether an upcoming control channel signal resource includes information relevant to the ue. In this way, the ue can wake up to perform complex control channel signal processing only when the control channel includes signals relevant to the ue, thereby conserving battery power and resources of the ue. ... Qualcomm Incorporated
Network service configuration and selection using network slices
Techniques are described using network slice information to negotiate and select network services by determining a set of desired required network provided functionalities; identifying a set of network slices providing one or more of the functionalities in the set of required functionalities; and communicating, to a network, a slice identifier for each slice in the set of the identified network slices.. . ... Qualcomm Incorporated
Systems and methods for relaying an update to a target electronic display label
Disclosed are systems and methods for relaying an update to a target electronic display device within a venue. In an aspect, an access terminal component of a bridge communication device receives the update for the target electronic display device from a wireless local area network (wlan) access point of the venue, wherein the target electronic display device is one of a plurality of electronic display devices within the venue, wherein the plurality of electronic display devices form a low-energy mesh network, and wherein each electronic display device comprises a low-energy short-range wireless network component coupled to an electronic display. ... Qualcomm Incorporated
Prioritizing incompatible network slices
Certain aspects of the present disclosure relate to methods and apparatus for prioritizing incompatible network slices in wireless communications systems operating according to new radio (nr) technologies. An exemplary method that may be performed by a ue includes sending a request to connect to a set of network slices, wherein the request comprises at least one priority associated with at least one network slice in the set of network slices, and receiving signaling indicating a set of allowed network slices in response to the request.. ... Qualcomm Incorporated
Group indicator for code block group based retransmission in wireless communication
Aspects of the present disclosure provide a code block group (cbg) based harq retransmission process in which harq retransmission is performed based on cbg units. The cbg based harq process uses a cbg failure mask that can reduce the signaling overhead of cbg-based harq retransmissions. ... Qualcomm Incorporated
Inter-frequency bias compensation for time difference measurements in position determinations
A method for use in a server comprising a computing platform comprising obtaining a first measurement of a time difference of arrival between a first positioning signal and a second positioning signal, the first positioning signal having and second positioning signal having been transmitted at different frequencies, obtaining a measurement description from the mobile device, in response to a determination that the measurement description indicates that the first measurement has not been compensated, by the mobile device, for inter-frequency related delays corresponding to the first frequency, the second frequency, or both the first frequency and the second frequency determining an inter-frequency bias compensation for the inter-frequency related delays corresponding to the first measurement, applying the inter-frequency bias compensation to the first measurement to generate a compensated measurement, and determining, at least in part, a position of the mobile device based, at least in part, on the compensated measurement.. . ... Qualcomm Incorporated
Techniques for mitigating interference for transmissions of a periodic multi-beam discovery reference signal
Techniques are described for wireless communication. One method for wireless communication at a base station includes transmitting, on a plurality of beams, a discovery reference signal (drs) in a first instance of a periodic multi-beam drs. ... Qualcomm Incorporated
Techniques and apparatuses for beam management
A user equipment (ue) may operate in a reception mode that includes a set of sleep cycles and a set of wake cycles. During a sleep cycle of the ue, a signal quality of an active beam carrying a control channel or a data channel may degrade. ... Qualcomm Incorporated
Radio measurement and configuration
Methods, systems, and apparatuses for wireless communication are described. A user equipment (ue) may receive information from a network node. ... Qualcomm Incorporated
Physical-layer cell identity (pci) selection
Disclosed embodiments pertain to pci planning and selection. A base station may select a pci value from available pci values, where the selected pci value may be associated with a prs frequency that is different from prs frequencies of neighboring base stations. ... Qualcomm Incorporated
Network access privacy
The present disclosure provides techniques that may be applied, for example, in a multi-slice network for maintaining privacy when attempting to access the network. An exemplary method generally includes transmitting a registration request message to a serving network to register with the serving network; receiving a first confirmation message indicating a secure connection with the serving network has been established; transmitting, after receiving the first confirmation message, a secure message to the serving network comprising an indication of at least one configured network slice that the ue wants to communicate over, wherein the at least one configured network slice is associated with a privacy flag that is set; and receiving a second confirmation message from the serving network indicating that the ue is permitted to communicate over the at least one configured network slice.. ... Qualcomm Incorporated
Audio correlation selection scheme
The disclosure generally relates to connecting wireless devices based on a correlation between different audio sources. For example, according to various aspects, a first wireless device may capture sound via a microphone and receive audio content from a second wireless device via a wireless receiver. ... Qualcomm Incorporated
Affine motion information derivation
Techniques and systems are provided for deriving one or more sets of affine motion parameters at a decoder. For example, the decoder can obtain video data from an encoded video bitstream. ... Qualcomm Incorporated
Enhanced deblocking filtering design in video coding
A video encoder reconstructs pixels of a current block and applies a deblocking filter to the reconstructed pixels of the current block to derive deblocking-filtered reconstructed pixels of the current block. Furthermore, the video encoder calculates distortion values based on values of the deblocking-filtered reconstructed pixels of the current block and original pixels of the current block. ... Qualcomm Incorporated
Ip level multipath protocol
Systems, methods, and devices of the various embodiments provide for multipath transport of internet protocol (ip) packets by an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, ip packets may be extended to include tracking information. ... Qualcomm Incorporated
Channel estimation enhancements
The disclosure relates in some aspects to techniques for improved channel estimation. For example, a device can specify a pilot structure where pilot density differs over time. ... Qualcomm Incorporated
Smart networking of traditional appliances
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for an appliance interface apparatus. In some implementations, the appliance interface apparatus enables network-based control of a traditional appliance. ... Qualcomm Incorporated
Techniques for preventing abuse of bootstrapping information in an authentication protocol
Aspects of the present disclosure implement techniques that allow an enrollee (e.g., dpp-ap or other dpp devices) to be informed of the bootstrapping method selected by a device (e.g., sta) when initiating onboarding. As such, in one example, authentication requests from the device may additionally carry information that inform the network of the bootstrapping method (e.g., qr-code, nfc, wi-fi aware, wi-fi direct) selected by the device. ... Qualcomm Incorporated
Techniques for signaling compressed harq or retransmission information between a base station and a user equipment
Techniques are described for wireless communication. One method includes receiving, at a user equipment (ue), a transport block (tb) that includes a plurality of code block groups (cbgs); determining cbg failure information identifying a set of one or more cbgs in the tb that failed to decode at the ue; determining a compressed representation of the cbg failure information; and transmitting, in response to receiving the tb, hybrid automatic repeat request (harq) information including the compressed representation of the cbg failure information. ... Qualcomm Incorporated
Multi-harq methods and apparatus for codeblock group based transmissions
In an aspect of the disclosure an apparatus, e.g., a base station, maybe configured to receive, from a ue, ack/nack feedback indicating that a subset of cbgs of a set of transmitted cbgs failed to be properly decoded. The apparatus maybe further configured to retransmit the subset of cbgs based on the ack/nack feedback and transmit information indicating the cbgs being retransmitted. ... Qualcomm Incorporated
Distributed feedback architecture for polar decoding
A wireless device may decode a polar coded codeword using a successive cancellation list (scl) decoder. The decoder may implement a distributed feedback architecture, where the decoder stores one or more state maps and a set of bit arrays in memory for each layer of decoding. ... Qualcomm Incorporated
Transmission of identifiers using visible light communication
Methods, systems, and devices are described for transmitting an identifier using visible light communication (vlc) and for generating a plurality of identifiers for transmission using vlc. Input identifying an illumination factor associated with a light source is received. ... Qualcomm Incorporated
Coverage enhancement mode switching for wireless communications using shared radio frequency spectrum
Described techniques provide for switching a user equipment (ue) between different coverage enhancement (ce) modes, such as between a non-ce mode and a ce mode. A ue may determine that a ce mode switch is to be performed and may initiate the mode switching. ... Qualcomm Incorporated
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
Techniques and apparatuses for beam management
A user equipment (ue) may operate in a reception mode that includes a set of sleep cycles and a set of wake cycles. During a sleep cycle of the ue, a signal quality of an active beam carrying a control channel or a data channel may degrade. ... Qualcomm Incorporated
Sensor-driven systems and methods to activate and deactivate beam scanning
The apparatus is configured to performing a beam scan operation. The beam scan operation may be part of an active beam scanning process. ... Qualcomm Incorporated
Rlm monitoring using signaled dynamic parameter
In order to provide a more robust rlm procedure for 5g/nr, a base station may provide a dynamic relationship between a pdcch and another reference signal (e.g., ss/csi-rs) to a ue. For example, an apparatus may receive an adjustment parameter regarding a pdcch from a base station. ... Qualcomm Incorporated
Techniques for reception beam refinement
Techniques for synchronized reception beam refinement are described herein. A base station may indicate to a user equipment (ue) a time when a reception beam refinement event may occur. ... Qualcomm Incorporated
Wideband sector sweep using wideband training (trn) field
Certain aspects of the present disclosure generally relate to beamforming training. For example, certain aspects of the present disclosure provide an apparatus for wireless communications. ... Qualcomm Incorporated
Multi-user multiple-input multiple-output (mu-mimo) feedback protocol
A method includes sending, from an access point of a wireless network to a first station of a plurality of stations of the wireless network, a packet including a preamble, a data portion, and trigger data that includes non-precoded, omni-direction data. The preamble precedes the data portion. ... Qualcomm Incorporated
Code block group definition configuration for wireless communication
Aspects of the present disclosure provide various apparatuses and methods for retransmitting code blocks (cbs) and code block group (cbg) definitions that can improve cbg-based data retransmission efficiency. When an interference pattern is bursty and does not align with cbg or symbol boundary, the disclosed cbg definitions can reduce or avoid retransmission of successfully received cbs along with the cbs that need to be retransmitted.. ... Qualcomm Incorporated
Amplifier with nonlinearity compensation
An apparatus includes a reference voltage circuit having a bandgap input and a reference voltage output. The apparatus also includes a digital-to-analog converter (dac) coupled to the reference voltage output and having a digital signal input. ... Qualcomm Incorporated
Double-d split coil winding
Techniques for manufacturing an induction coil for use in a wireless power transfer system are provided. An example of a wireless power transfer device according to the disclosure includes a first combined ferrite and coil holder and a second combined ferrite and coil holder, such that the first combined ferrite and coil holder and the second combined ferrite and coil holder are separate components, a first coil disposed on the first combined ferrite and coil holder, and a second coil disposed on the second combined ferrite and coil holder, such that the second combined ferrite and coil holder is adjacent to and coplanar with the first combined ferrite and coil holder, and the first coil and the second coil are operably coupled to one another.. ... Qualcomm Incorporated
Adjustable-length wireless power transmitter
A wireless charging device includes: a base configured to be worn by a user; and a coil attached to the base and comprising an electrically conductive material shaped to produce a magnetic field to convey power wirelessly to a receiver in response to receiving power, the coil including multiple turns each having a turn length with at least one of the multiple turns having an adjustable turn length, the multiple turns being disposed along a common axis such that each of the multiple turns is disposed around the axis for the respective turn length of the turn.. . ... Qualcomm Incorporated
Hybrid feed technique for planar antenna
In an aspect, an apparatus may be an apparatus for wireless communication. The apparatus for wireless communication may include a transceiver, a memory, and at least one processor coupled to the memory and configured to execute instructions stored in the memory to control the transceiver. ... Qualcomm Incorporated
Low profile integrated package
A package that includes a substrate comprising an interposer interconnect and a cavity, a redistribution portion coupled to the substrate, the redistribution comprising a plurality of redistribution interconnects, and a first die coupled to the redistribution portion through the cavity of the substrate. A substantial region between a side surface of the first die and the substrate is free of an encapsulation layer. ... Qualcomm Incorporated
Estimation of mixing factors to generate high-band excitation signal
A method includes generating a high-band residual signal based on a high-band portion of an audio signal. The method also includes generating a harmonically extended signal at least partially based on a low-band portion of the audio signal. ... Qualcomm Incorporated
Target sample generation
A method of encoding audio channels includes receiving two or more channels at an encoder and identifying a target channel and a reference channel. The target channel and the reference channel are identified from the two or more channels based on a mismatch value. ... Qualcomm Incorporated
Three-dimensional pose estimation of symmetrical objects
The present disclosure describes methods, apparatuses, and non-transitory computer-readable mediums for estimating a three-dimensional (“3d”) pose of an object from a two-dimensional (“2d”) input image which contains the object. Particularly, certain aspects of the disclosure are concerned with 3d pose estimation of a symmetric or nearly-symmetric object. ... Qualcomm Incorporated
Methods and systems for performing sleeping object detection in video analytics
Methods, apparatuses, and computer-readable media are provided for maintaining blob trackers for video frames. For example, a blob tracker maintained for a current video frame is identified. ... Qualcomm Incorporated
Adaptive perturbed cube map projection
Methods and systems for processing video data are provided. For example, a video bitstream can be obtained that includes a video frame of a spherical representation of 360-degree video data. ... Qualcomm Incorporated
Adaptive perturbed cube map projection
Methods and systems for processing video data are provided. In one example, a first video bitstream can be obtained, which can include video frames of a spherical representation of 360-degree video data. ... Qualcomm Incorporated
Ultrasonic fingerprint sensor with acoustic shielding
Disclosed are methods, devices, apparatuses, and systems for ultrasonic fingerprint sensing with an acoustic shielding structure. One or more layers in an ultrasonic fingerprint sensing system may reflect back ultrasonic waves due to acoustic impedance mismatch that can distort a fingerprint image. ... Qualcomm Incorporated
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