Qualcomm Incorporated patents (2017 archive)

Position determination using a wireless signal

A mobile station improves its position estimate using dead reckoning and wireless signal distance estimates. The mobile station calculates a first round trip time (rtt) based distance at a first mobile station position between the first mobile station position and an access point. ... Qualcomm Incorporated

Combined fine timing measurement (ftm) and non-ftm messaging for position determination

In one aspect, a method includes performing, by a wireless station, a fine timing measurement (ftm) procedure with each of one or more ftm-enabled access points (aps) to obtain a respective one or more ftm-based round-trip time (rtt) measurement between the wireless station and each of the one or more ftm-enabled aps. The method also includes performing a non-ftm procedure with each of one or more non-ftm-enabled aps to obtain a respective one or more non-ftm-based rtt measurement. ... Qualcomm Incorporated

Positioning with wireless local area networks and wlan-aided global positioning systems

Accurate position capability can be quickly provided using a wireless local area network (wlan). When associated with a wlan, a wireless device can quickly determine its relative and/or coordinate position based on information provided by an access point in the wlan. ... Qualcomm Incorporated

Measuring spherical image quality metrics based on user field of view

An example device for calculating a quality metric for video data includes a memory configured to store a spherical image of the video data, and one or more processors implemented using discrete logic circuitry and configured to determine a user field of view for the spherical image, determine weighting values for pixels of the spherical image based on the user field of view; and calculate a quality metric for the user field of view of the spherical image using the weighting values, wherein calculating the quality metric comprises applying the weighting values to values for the pixels.. . ... Qualcomm Incorporated

Low-power always-on face detection, tracking, recognition and/or analysis using events-based vision sensor

Techniques disclosed herein utilize a vision sensor that integrates a special-purpose camera with dedicated computer vision (cv) computation hardware and a dedicated low-power microprocessor for the purposes of detecting, tracking, recognizing, and/or analyzing subjects, objects, and scenes in the view of the camera. The vision sensor processes the information retrieved from the camera using the included low-power microprocessor and sends “events” (or indications that one or more reference occurrences have occurred, and, possibly, associated data) for the main processor only when needed or as defined and configured by the application. ... Qualcomm Incorporated

Low-power and low-mismatch correlated double sampling (cds) circuit

Techniques provided herein are directed toward a simplified correlated double sampling (cds) circuit that reduces the amount of components and potential noise sources utilized to two switches and a capacitor. Such cds circuits can be used in conjunction with downstream programmable gain amp (pga) circuitry to provide double sampling along with variable gain and/or other features. ... Qualcomm Incorporated

Systems and methods for time synched high speed flash

Systems and methods are disclosed for remotely activating a flash at a determined time, where a camera and a flash are temporally synchronized using a time signal received from a gps satellite. One embodiment includes a system having a camera that includes an image sensor, a gps receiver configured to receive time information, a processor configured to determine an image capture time t1 for capturing the image of the scene, the image capture time t1 being a time indicative of a time derived from time information received from the gps satellite, and a camera communication module configured to wirelessly communicate with an illumination system to transmit flash information to the illumination system, the flash information including the image capture time t1, and capture an image of the scene with the camera at the image capture time t1.. ... Qualcomm Incorporated

Method and apparatus for rolling shutter compensation

Disclosed are a system, apparatus, and method for rolling shutter compensation. An image having a plurality of scanlines captured at different times may be received from a rolling shutter camera where each scanline includes a plurality of 2d pixels, and where each scanline has an associated camera pose. ... Qualcomm Incorporated

Sensor data acquisition in a user equipment

The present application relates to acquiring sensor data at a user equipment (ue). The described aspects include receiving a first input representing a request to activate one or more sensors. ... Qualcomm Incorporated

Systems and methods for controlling isochronous data streams

Systems and methods for controlling isochronous data streams are disclosed. Particular aspects of the present disclosure are designed to be used with almost any isochronous data stream, but are well-suited for use with the universal serial bus (usb) protocol. ... Qualcomm Incorporated

Methods and systems for acknowledgment configuration

Methods, apparatus, and systems disclosed provide for the configuration of acknowledgments of data. In some aspects, a method includes generating an aggregated media access control (mac) protocol data unit (a-mpdu) frame, comprising a media access control protocol data unit (mpdus), the media access control protocol data unit (mpdus) comprising a media access control (mac) header and data, wherein the media access control (mac) header comprises an indication of an acknowledgment type for the data of the mpdu; and transmitting the a-mpdu onto a wireless network.. ... Qualcomm Incorporated

Techniques for managing blind decoding reduction for control channel search spaces

Aspects described herein relate to managing blind decoding of a control channel search space. A number of blind decodes configured for a control channel search space can be determined based at least in part on one or more parameters broadcasted by a access point that transmits a control channel in the control channel search space. ... Qualcomm Incorporated

Communication mode selection

A device includes a memory, a processor, and a transceiver. The memory is configured to store capability data corresponding to a set of stations. ... Qualcomm Incorporated

Standard cell architecture for reduced parasitic resistance and improved datapath speed

A mos device may include a first logic component with a first input located on a second track and a first output located on the third track. The mos device may include a second logic component with a second input located on the fourth track and a second output located on a fifth track. ... Qualcomm Incorporated

Determining a spin direction of an electric motor

Embodiments include devices and methods for determining a spin direction of a motor of an unmanned aerial vehicle (uav). A processor of the uav may apply a first power to spin the motor in a first direction. ... Qualcomm Incorporated

Selective power transmitting element use for wireless power transfer

A wireless power transmitter system includes: a power delivery structure comprising power transmitting elements (power transmitting elements), each of which is configured to induce a field, and configured to adapt to an exterior shape of an entity that contains a receiver; a power circuit configured to provide power to the power transmitting elements selectively; and a controller configured to: determine an electrical characteristic, other than power transfer to the receiver, associated with actuating at least one of the power transmitting elements; determine at least one power transmitting element subset, based on the electrical characteristic, containing less than all, and at least one, of the power transmitting elements; select, based on power transferred to the receiver, one or more charging power transmitting elements to use to charge the receiver wirelessly; and cause the power circuit to provide power to the one or more charging power transmitting elements.. . ... Qualcomm Incorporated

Wireless power transmit resonator

Exemplary embodiments of the present disclosure are related to a wireless power resonator and method that includes a wireless power transmit element. The wireless power transmit element may include a substantially planar transmit antenna configured to generate a magnetic field and formed from a conductive trace including a plurality of distributed inductive elements along the conductive trace. ... Qualcomm Incorporated

Voltage mode driver with charge recycling

A plurality of drivers for driving corresponding differential data output signals are arranged in series such that a first current discharged by a first one of the drivers is recycled through remaining ones of the drivers.. . ... Qualcomm Incorporated

Switch device performance improvement through multisided biased shielding

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 backside metallization on a second surface opposite the first surface of the isolation layer. ... Qualcomm Incorporated

Systems and methods for providing vertical access to the collector of a heterojunction bipolar transistor

Disclosed is a heterojunction bipolar transistor, and method of manufacturing the same, including an emitter having a conductive emitter contact coupled to a first side of the emitter, a first side of a base coupled to a second side of the emitter opposite the first side of the emitter, a collector coupled to the base on a second side of the base opposite the emitter, wherein an area of a junction between the base and the collector is less than or equal to an area of a junction between the base and the emitter, a first conductive base contact coupled to the base, and a conductive collector contact coupled to the collector on the side of the collector opposite the emitter and substantially parallel to the first conductive base contact.. . ... Qualcomm Incorporated

Multi diode aperture simulation

Provided are techniques for simulating a aperture in a digital imaging device, the aperture simulation generated by a multi-diode pixel image sensor. In one aspect, a method includes detecting light incident on a first light sensitive region on a first photodiode of a pixel, and detecting light incident on a second light sensitive region on a second photodiode of the pixel. ... Qualcomm Incorporated

Standard cell architecture for diffusion based on fin count

Disclosed systems and methods pertain to finfet based integrated circuits designed with logic cell architectures which support multiple diffusion regions for n-type and p-type diffusions. Different diffusion regions of each logic cell can have different widths or fin counts. ... Qualcomm Incorporated

Redistribution layer (rdl) fan-out wafer level packaging (fowlp) structure

Disclosed is a fan-out wafer level packaging (fowlp) apparatus includes a semiconductor die having at least one input/output (i/o) connection, a first plurality of package balls having a first package ball layout, a first conductive layer forming a first redistribution layer (rdl) and configured to electrically couple to the first plurality of package balls, and a second conductive layer forming a second rdl and including at least one conductive pillar configured to electrically couple the at least one i/o connection of the semiconductor die to the first conductive layer, wherein the second conductive layer enables the semiconductor die to be electrically coupled to a second plurality of package balls having a second package ball layout without a change in position of the at least one i/o connection of the semiconductor die.. . ... 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

Stacked substrate inductor

In conventional device packages, separate standalone inductors are provided and mounted on an interposer substrate along with a die. Separate inductors reduce integration density, decrease flexibility, increase footprint, and generally increase costs. ... Qualcomm Incorporated

Exposed side-wall and lga assembly

A device package with a reduced foot print may include a substrate and a through-substrate via extending from a top surface to a bottom surface of the substrate. The assembly may also include a trace and a contact pad on the top and bottom surfaces of the substrate and electrically coupled to the through-substrate via. ... Qualcomm Incorporated

Inline kerf probing of passive devices

A radio frequency (rf) integrated circuit may include a die having passive components including at least one pair of capacitors covered by a first dielectric layer supported by the die. The rf integrated circuit may also include an inline pad structure coupled to the at least one pair of capacitors proximate an edge of the die. ... Qualcomm Incorporated

Shielded antenna to reduce electromagnetic interference (emi) and radio frequency (rf) interference in a wireless power transfer system

An apparatus for wireless power transfer includes a transmit antenna configured to generate a wireless field to power or charge a load, a wireless charging area configured to receive a device to be wirelessly charged via the wireless field, the transmit antenna located outside of a periphery of the wireless charging area, and at least one shielding element overlapping the transmit antenna on a side of the transmit antenna from which the device is configured to be positioned within the wireless charging area, the at least one shielding element configured to diminish at least a portion of the wireless field such that the wireless field in the wireless charging area is stronger than the wireless field where the at least one shielding element overlaps the transmit antenna.. . ... Qualcomm Incorporated

Two-dimensional structure to form an embedded three-dimensional structure

Disclosed is an apparatus including a plurality of vias each having a defined shape, wherein each of the plurality of vias includes a first two-dimensional conductive layer plated on a first side of a substrate, the first two-dimensional conductive layer having the defined shape, a second two-dimensional conductive layer plated on a second side of the substrate, the second two-dimensional conductive layer having the defined shape, and a via conductively coupling the first two-dimensional conductive layer to the second two-dimensional conductive layer. The apparatus further includes a plurality of interconnects configured to conductively couple the plurality of vias, wherein the first two-dimensional conductive layer and the second two-dimensional conductive layer of each of the plurality of vias are perpendicular to the plurality of interconnects.. ... Qualcomm Incorporated

Audio decoding using intermediate sampling rate

A method for processing a signal includes receiving a first frame of an input audio bitstream at a decoder. The first frame includes at least one signal associated with a frequency range. ... Qualcomm Incorporated

Beacon-augmented surveillance systems and methods

Systems and methods are disclosed for operating a surveillance system and managing beacon-augmented surveillance data. A surveillance system may include a camera, a controller, and a transceiver. ... Qualcomm Incorporated

Image rotation method and apparatus

This disclosure describes an apparatus and techniques for rotating image data. The rotation techniques may include fetching a strip of a block of image data from an external memory, writing the strip into a strip buffer in a first scan direction, reading a micro-block of pixels of the strip in the strip buffer in the first scan direction and writing the micro-block into a rotation buffer in the first scan direction, and rotating the micro-block of pixels by reading the micro-block of pixels in the rotation buffer in a second scan direction, the second scan direction different from the first scan direction, and writing the micro-block of pixels into a rotation memory in the second scan direction.. ... Qualcomm Incorporated

Standard cell architecture for diffusion based on fin count

Disclosed systems and methods pertain to finfet based integrated circuits designed with logic cell architectures which support multiple diffusion regions for n-type and p-type diffusions. Different diffusion regions of each logic cell can have different widths or fin counts. ... Qualcomm Incorporated

Mitigating length-of-diffusion effect for logic cells and placement thereof

Systems and methods relate to cell placement methodologies for improving length of diffusion of transistors. For example, a first transistor with a first diffusion node which is bounded by a first diffusion cut is identified in a transistor level layout. ... Qualcomm Incorporated

Model-based calibration of an all-digital phase locked loop

A method of calibrating an all-digital phase locked loop (adpll) includes obtaining a model of the adpll and applying an input signal to both the adpll and to the model. The adpll generates an actual output of the adpll, while the model generates a model output. ... Qualcomm Incorporated

Accelerated i3c master stop

Systems, methods, and apparatus for communication over to serial bus in accordance with an i3c protocol are described. A method performed at a master device includes causing a line driver to enter a high-impedance mode of operation, and receiving data from the serial bus. ... Qualcomm Incorporated

System and method for odd modulus memory channel interleaving

A system for providing odd modulus memory channel interleaving may include a dynamic random access memory (dram) system and a system on chip (soc). The soc comprises a first memory controller, a second memory controller, and a symmetric memory channel interleaver. ... Qualcomm Incorporated

Pre-fetch mechanism for compressed memory lines in a processor-based system

Some aspects of the disclosure relate to a pre-fetch mechanism for a cache line compression system that increases ram capacity and optimizes overflow area reads. For example, a pre-fetch mechanism may allow the memory controller to pipeline the reads from an area with fixed size slots (main compressed area) and the reads from an overflow area. ... Qualcomm Incorporated

Priority-based storage and access of compressed memory lines in memory in a processor-based system

In an aspect, high priority lines are stored starting at an address aligned to a cache line size for instance 64 bytes, and low priority lines are stored in memory space left by the compression of high priority lines. The space left by the high priority lines and hence the low priority lines themselves are managed through pointers also stored in memory. ... Qualcomm Incorporated

Next line prefetchers employing initial high prefetch prediction confidence states for throttling next line prefetches in a processor-based system

Next line prefetchers employing initial high prefetch prediction confidence states for throttling next line prefetches in processor-based system are disclosed. Next line prefetcher prefetches a next memory line into cache memory in response to read operation. ... Qualcomm Incorporated

Self-aware, peer-to-peer cache transfers between local, shared cache memories in a multi-processor system

Self-aware, peer-to-peer cache transfers between local, shared cache memories in a multi-processor system is disclosed. A shared cache memory system is provided comprising local shared cache memories accessible by an associated central processing unit (cpu) and other cpus in a peer-to-peer manner. ... Qualcomm Incorporated

Parity for instruction packets

Systems and method of error checking for instructions method of error checking for instructions include an assembler for creating an instruction packet with one or more instructions, determining if a parity of the instruction packet matches a predesignated parity, and if the parity of the instruction packet does not match the predesignated parity, using a bit of the instruction packet to change parity of the instruction packet to match the predesignated parity. The instruction packet with the predesignated parity is stored in a memory, and may eventually be retrieved by a processor for execution. ... Qualcomm Incorporated

Systems and methods for using distributed universal serial bus (usb) host drivers

Systems and methods for using distributed universal serial bus (usb) host drivers are disclosed. In one aspect, usb packet processing that was historically done on an application processor is moved to a distributed usb driver running in parallel on a low-power processor such as a digital signal processor (dsp). ... Qualcomm Incorporated

Iteration synchronization construct for parallel pipelines

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for implementing an iteration synchronization construct (isc) for a parallel pipeline. The apparatus may initialize a first instance of the isc for a first stage iteration of a first parallel stage of the parallel pipeline and a second instance of the isc for a second stage iteration of the first parallel stage of the parallel pipeline. ... Qualcomm Incorporated

Branch target predictor

A method for predicting a fetch address of a next instruction to be fetched includes selecting, at a processor, a first way identifier or a second way identifier as a way pointer based on an active fetch address and historical prediction data. A first predictor table includes a first entry having the first way identifier and a second predictor table includes a second entry having the second way identifier. ... Qualcomm Incorporated

Scatter to gather operation

Systems and methods relate to efficient memory operations. A single instruction multiple data (simd) gather operation is implemented with a gather result buffer located within or in close proximity to memory, to receive or gather multiple data elements from multiple orthogonal locations in a memory, and once the gather result buffer is complete, the gathered data is transferred to a processor register. ... Qualcomm Incorporated

Alerting a user to a change in an audio stream

Disclosed are methods and systems for alerting a user to a change in an audio stream. In an aspect, a user device of the user receives the audio stream, detects a change in an audio pattern occurring in the audio stream, wherein the detection of the change in the audio pattern occurs when the audio stream is muted, and in response to the detection of the change in the audio pattern, provides an alert to the user that indicates the change in the audio pattern has occurred.. ... Qualcomm Incorporated

Preemptive decompression scheduling for a nand storage device

Systems, methods, and computer programs are disclosed for scheduling decompression of an application from flash storage. One embodiment of a system comprises a flash memory device and a preemptive decompression scheduler component. ... Qualcomm Incorporated

Selective flash memory compression/decompression using a storage usage collar

Systems, methods, and computer programs are disclosed for selectively compressing/decompressing flash storage data. An embodiment of a system comprises a compression/decompression component, a flash memory device, a flash controller in communication with the flash memory device, and a storage driver in communication with the compression/decompression component and the flash controller. ... Qualcomm Incorporated

Automatic tracking mode for controlling an unmanned aerial vehicle

Some embodiments include methods performed by a processor associated with a wireless communication device for enabling an unmanned autonomous vehicle (uav) to operate in an automatic user tracking mode. Such embodiments may include capturing image data of surroundings by a camera while the uav is operating in the automatic user tracking mode, calculating estimated position information for the wireless communication device based on captured image data, and transmitting estimated position information to the uav for use in tracking a user of the wireless communication device. ... Qualcomm Incorporated

Dynamic lane definition

Methods, systems, computer-readable media, and apparatuses for automated dynamic lane definition are presented. One example method includes the steps of accessing vehicle information for a vehicle travelling on the road; accessing road information for a road; and defining at least one lane for the road based on the road information and the vehicle information.. ... Qualcomm Incorporated

Base side vehicle identification using vehicle controller switching frequency

Techniques for wirelessly transferring energy to a vehicle are disclosed. An example method for wirelessly transferring energy to a vehicle according to the disclosure includes detecting a ripple frequency on a transmitter coil circuit, such that the ripple frequency is associated with a vehicle switch mode controller frequency of a switch mode controller in the vehicle, and providing an electrical current to a coil in the transmitter coil circuit based at least in part on the ripple frequency.. ... Qualcomm Incorporated

Wireless power transfer for integrated cycle drive systems

Wireless power transfer for integrated cycle drive systems is described. A cycle power system includes a rim that is connected to, and positioned concentrically with, a sealed housing that can rotate about an axis. ... Qualcomm Incorporated

Dynamic calibration of a blood pressure measurement device

Various embodiments enable calibrating a non-invasive blood pressure measurement device by determining multiple parameters defining a stress-strain relationship of an artery of a patient. The device may obtain output signals from a blood pressure sensor at two or more measurement elevations. ... Qualcomm Incorporated

Multi-sensor device and method of using multi-sensor device for determining biometric properties of a subject

Methods, devices, systems, and non-transitory processor-readable storage media are disclosed for determining one or more biometric properties of a subject using multiple sensors positioned along a flexible backing. At least one processor of the multi-sensor device may be configured to receive output signals from the multiple sensors, identify at least one output signal from the received output signals that exhibit measurements of a targeted biological structure, determine the one or more biometric properties of the subject based on the identified at least one output signal received from at least one of the multiple sensors, and provide the determined one or more biometric properties.. ... Qualcomm Incorporated

Wakeup schedule coordination on a shared communication medium

Techniques for co-existence on a shared communication medium are disclosed. An activation command may be received, over a backhaul connection and via a first radio access technology (rat), configuring the first rat for active operation on a shared communication medium. ... Qualcomm Incorporated

Call setup in wireless communication devices

Examples described herein relate to apparatuses and methods for managing connection of a wireless communication device, including, but not limited to, receiving, by the wireless communication device, a call setup page from a network while in a connected mode, determining whether a data inactivity duration exceeds a threshold upon receiving the call setup page, transmitting a scheduling request (sr) probe to the network in response to determining that the data inactivity duration exceeds the threshold, determining whether an uplink grant corresponding to the sr probe has been received, and performing a local connection release in response to determining that the uplink grant corresponding to the sr probe has not been received.. . ... Qualcomm Incorporated

Virtual cluster group based uplink control channel

Aspects of the present disclosure provide a scheduling entity in communication with a set of scheduled entities within a wireless communication network. The scheduling entity groups a plurality of tones into uplink clusters, where each uplink cluster includes one or more adjacent tones. ... Qualcomm Incorporated

Interference management in wireless mesh networks

A unified frame structure for communicating in a synchronous and slotted mesh network is provided. Nodes within the mesh network are designated as primary and secondary nodes. ... Qualcomm Incorporated

Ue capability exchange for carrier aggregation

A method, apparatus, and computer-readable medium that reduce ue capability message sizes are disclosed. The apparatus receives a request for ue capability information, wherein the request indicates at least one network supported ue capability. ... Qualcomm Incorporated

Terrestrial transceiver-based positioning data download for semi-connected devices

Techniques disclosed herein are generally directed toward providing customized location database information regarding terrestrial transceivers to a mobile device (e.g., a semi-connected mobile device) by causing the mobile device to scan for terrestrial transceivers during a first period of time, provide a list of the terrestrial transceivers detected during the first period of time to a location server, and receive location information for terrestrial transceivers on the list. Using this location information, the mobile device can subsequently (e.g., during a second period of time) calculate its position when the terrestrial transceivers are detected.. ... Qualcomm Incorporated

Combined fine timing measurement (ftm) and non-ftm messaging for estimating turn-around calibration factor

In one aspect, a method includes performing, by a wireless station, a fine timing measurement (ftm) procedure that includes exchanging one or more ftm messages between the wireless station and an access point to obtain a first round-trip time (rtt) between the wireless station and the access point. The method also includes performing, by the wireless station, a non-ftm procedure to obtain a second rtt between the wireless station and the access point. ... Qualcomm Incorporated

Guard period modification in a time division duplexing wireless system

Modifiable guard periods are provided for time division duplexing (tdd) wireless communications. Guard periods may be modified based at least in part on propagation delay information, such as timing advance (ta) information, for one or more user equipment (ue) in a tdd wireless system. ... Qualcomm Incorporated

Motion state based mobile device positioning

Various techniques are provided which may be implemented as methods, apparatuses and articles of manufacture for use by a mobile device or one or more computing devices to provide for or otherwise support motion state based mobile device positioning. In an example, a method may be implemented at a computing device to obtain a set of grid points corresponding to an electronic map representative of a particular environment, subdivide the set of grid points to identify two or more subsets of grid points for use in position estimation by a mobile device based, at least in part, on two or more motion states corresponding to the mobile device, and communicate at least one of the two or more subsets of grid points between the computing device and the mobile device.. ... Qualcomm Incorporated

Beam reporting and scheduling in multicarrier beamformed communications

Methods, systems, and devices for wireless communication are described. A base station may partition a plurality of carriers into one or more groups. ... Qualcomm Incorporated

Radio access technology (rat) prioritization on a shared communication medium

Techniques for co-existence on a shared communication medium are disclosed. An activation command may be received, over a backhaul connection and via a first radio access technology (rat), configuring the first rat for active operation on a shared communication medium. ... Qualcomm Incorporated

Network path probing using available network connections

Various embodiments provide methods, devices, and non-transitory processor-readable storage media enabling network path probing with a communications device by sending probes via a network connection to a stun server and receiving probe replies. The communications device may increment a counter and transmit a test probe configured to be dropped at the first access point (nat) causing all subsequent nats to release their ip/port mappings. ... Qualcomm Incorporated

Methods and systems for handover of an emergency call between different wireless networks

A method is provided to enable handoff of an emergency services call between different network operators. A ue may establish a first call with a first network for a first network operator based on a first wireless access type, where the first call is an emergency services call to a psap. ... Qualcomm Incorporated

Methods and systems for context based anomaly monitoring

Various embodiments include methods, and computing devices configured to implement the methods, for anomaly monitoring using context-based sensor output correlation. A computing device may obtain output of a first sensor and may determine that an anomaly is likely to occur based on the obtained output of the first sensor. ... Qualcomm Incorporated

Generating high resolution images

Techniques are disclosed for generating a high resolution image from a plurality of images captured from a plurality of sensors. The pixels in one sensor have at least one of different size, shape, or orientation than pixels in another sensor. ... Qualcomm Incorporated

Display device configured as an illumination source

The disclosed technology relates to an electronic device configured to use the device's own display to provide an illumination source for front-facing image sensors and to a method of using the same. An electronic device for capturing a digital image using a front-facing image sensor and a digital display device includes a command input module configured to receive a command to capture the digital image, an illumination adjustment module configured to adjust the display device to an imaging illumination condition in response to the command, and a front-facing image sensor module configured capture the digital image using the front-facing image sensor under the predetermined illumination condition.. ... Qualcomm Incorporated

System and method for accelerating cryptography operations on a portable computing device

Systems, methods, and computer programs are disclosed for accelerating cryptography operations on a portable computing device. One such method comprises receiving a request for a processor on a portable computing device to execute a cryptography algorithm. ... Qualcomm Incorporated

Slotted message access protocol for powerline communication networks

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for communication time slot allocation in a communication network. In one aspect, a first network device may determine that a second network device will transmit one or more packets associated with a first latency, and determine that a third network device will transmit one or more packets associated with a second latency. ... Qualcomm Incorporated

Data packet store, forward, and monitoring functionality for network node or modem

Techniques are described for wireless communication. A method of wireless communication includes receiving from an application server, at a network node of a wireless communication system, an indication of data to be delivered to at least one wireless device; determining a handling of the data; and transmitting at least one report relating to the handling of the data to the application server. ... Qualcomm Incorporated

Transmit power management in a wire-line communication system

Embodiments include systems and methods for performing transmit power management in a wire-line communication system. A processor of a wire-line communication system may determine one or more signal characteristics of a radio frequency (rf) signal received by the wire-line communication system. ... Qualcomm Incorporated

Reuse-pattern based co-ordinate multi-point transmission via distributed message exchange

Methods, systems, and devices for wireless communications are described, including receiving, at a first base station, channel measurement information from a first user equipment (ue); identifying a zone associated with the first base station based at least in part on the received channel measurement information; receiving, from a second base station, zone information associated with one or more ues that transmitted channel measurement information to the second base station; identifying a network reuse pattern for coordinated multi-point (comp) communication based at least in part on the identified zone and the received zone information; and transmitting a multi-point transmission to a second ue based at least in part on the identified network reuse pattern.. . ... Qualcomm Incorporated

Full bandwidth multicast indication to multiple users

Methods, systems, and devices for wireless communication are described. An access point (ap) may use wireless local area network (wlan) signaling fields in a multiple user transmission preamble to communicate with a number of stations greater than a threshold. ... Qualcomm Incorporated

Wireless communication impairments correction

Systems and methods for providing wireless communication impairment correction using non-linear iterative precoding by a transmitter device are disclosed. The transmitter may exploit the non-linear transmit indications, and perform digital non-linear multiple input multiple output (mimo) precoding of a transmit signal to improve the error vector magnitude (evm) at the intended receiver device and/or reduce the adjacent channel leakage ratio (aclr) at the unintended receiver devices. ... Qualcomm Incorporated

Over the air acquisition of radio frequency impairment information

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

Switched inductor/transformer for dual-band low-noise amplifier (lna)

Certain aspects of the present disclosure generally relate to an amplifier configured to process signals received in different frequency bands, where at least a portion of the amplifier is shared between different modes corresponding to the different frequency bands. One example circuit generally includes an amplifier having at least one first transistor configured to amplify a first signal received in a first mode of operation (e.g., associated with a particular frequency band), and at least one second transistor configured to amplify a second signal received in a second mode of operation. ... Qualcomm Incorporated

Double-d base pad magnetics for reduced emissions in flush mounted and buried wireless power transfer applications

An apparatus for wirelessly transferring charging power is provided. The apparatus comprises a ferrite structure. ... Qualcomm Incorporated

Single transformer high-power balancer

Certain aspects of the present disclosure provide apparatus and methods for balancing charge in a plurality of cells in a battery. In one example apparatus, the primary winding of the transformer may be coupled to a bus, and the secondary winding may be coupled to a cell of the plurality of cells in the battery. ... Qualcomm Incorporated

Standard cell architecture for parasitic resistance reduction

A mos ic may include a first contact interconnect in a first standard cell that extends in a first direction and contacts a first mos transistor source and a voltage source. Still further, the mos ic may include a first double diffusion break extending along a first boundary in the first direction of the first standard cell and a second standard cell. ... Qualcomm Incorporated

Device comprising a substrate that includes an irradiated portion on a surface of the substrate

Some implementations provide a device that includes a passive component and a substrate coupled to the passive component, where a surface of the substrate comprises a first irradiated portion. In some implementations, the first irradiated portion is located in an offset portion of the substrate. ... Qualcomm Incorporated

Managing refresh for flash memory

Systems and method for a host-driven data refresh of a flash memory include registers provided in the flash memory for storing various settings related to refresh operations, such as, when to start/stop refreshing, target partitions in the memory, target start/end address ranges for refreshing, refresh algorithms, refresh rate requirements, etc. A host can control the various settings for start/stop refreshing, target partitions in the memory, target start/end address ranges for refreshing, refresh algorithms, through the corresponding registers; and the flash memory can control various values related to refresh rate requirements through corresponding registers. ... Qualcomm Incorporated

Physically unclonable function based on comparison of mtj resistances

In a particular aspect, an apparatus includes a magnetic random access memory (mram) cell including a pair of cross coupled inverters including a first inverter and a second inverter. The first inverter includes a first transistor coupled to a first node and a second transistor coupled to the first node. ... Qualcomm Incorporated

Encoding and decoding of interchannel phase differences between audio signals

A device for processing audio signals includes an interchannel temporal mismatch analyzer, an interchannel phase difference (ipd) mode selector and an ipd estimator. The interchannel temporal mismatch analyzer is configured to determine an interchannel temporal mismatch value indicative of a temporal misalignment between a first audio signal and a second audio signal. ... Qualcomm Incorporated

Display-layer update deferral

Methods and apparatus for displaying layers on a display of a computing device are disclosed. The method includes creating layers from graphical data and assigning a priority to each of the layers. ... Qualcomm Incorporated

Differential image processing

An image signal processor (isp) processes received image frame data. In order to reduce power consumption caused by the processing of substantially similar image tiles of received image frames, differential processing may be used to determine which image tiles of a received image frame should be processed by the isp, based upon a comparison between the received image tiles and previously received image tile data. ... Qualcomm Incorporated

Fingerprint sensor device and methods thereof

A fingerprint sensor device includes a sensor substrate, a plurality of sensor circuits over a first surface of the sensor substrate, and a transceiver layer located over the plurality of sensor circuits and the first surface of the sensor substrate. The transceiver layer includes a piezoelectric layer and a transceiver electrode positioned over the piezoelectric layer. ... Qualcomm Incorporated

Signaling which version information to use on byte-range file repair

Systems, methods, and devices of various embodiments enable signaling one or more capabilities of servers, such as web servers or content delivery network (cdn) servers, to use file version information, such as md5s (message digest 5 (md5) algorithm hash values) and/or entity tags (etags), to computing devices for byte-range file repair.. . ... Qualcomm Incorporated

Sensors global bus

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

Active-core-based performance boost

A hardware system is disclosed for active-core-based performance boost. In an example aspect, the hardware system includes multiple cores and a power mode manager. ... Qualcomm Incorporated

Wake lock aware system wide job scheduling for energy efficiency on mobile devices

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for implementing wake lock aware scheduling. The apparatus may receive a wake lock request by a wake lock profiler and acquire wake lock information of a wake lock event associated with the wake lock request. ... Qualcomm Incorporated

Universal serial bus (usb) cable type detection and control techniques

Universal serial bus (usb) cable type detection and control techniques are disclosed. In an exemplary aspect, a device connected to a cable detects whether the cable is a legacy cable (i.e., a type-a to type-c cable). ... Qualcomm Incorporated

Compensated low dropout with high power supply rejection ratio and short circuit protection

Disclosed is a low dropout (ldo) voltage regulator that includes a differential amplifier configured to amplify a differential between a reference voltage and a regulated output voltage, a pass transistor coupled to the differential amplifier and driven by an output of the differential amplifier, a compensation capacitor coupled to an output node of the differential amplifier, and an auxiliary amplifier, wherein an output node of the auxiliary amplifier is coupled to the compensation capacitor, and wherein an input node of the auxiliary amplifier is coupled to the pass transistor.. . ... Qualcomm Incorporated

Biasing of an ionic current sensor

An ionic current sensor array includes a master bias generator and a plurality of sensing cells. The master bias generator is configured to generate a bias voltage. ... Qualcomm Incorporated

Methods and apparatus for positioning a vehicle

Methods and apparatus are disclosed for positioning a vehicle. An apparatus for determining positioning information for a vehicle may comprise a plurality of receive coil circuits and a hardware processor. ... Qualcomm Incorporated

Monolithic integrated emitter-detector array in a flexible substrate for biometric sensing

Examples of monolithic integrated emitter-detector array in a flexible substrate for biometric sensing and associated devices and methods are disclosed. One disclosed example device includes a flexible substrate; a first array of emitters embedded in the flexible substrate, the first array of emitters configured to emit first electromagnetic (em) signals; a first array of detectors embedded in the flexible substrate, the first array of detectors configured to detect reflections of the first em signals; a first scanning circuit coupled to the first array of emitters, the first scanning circuit configured to selectively activate individual emitters of the first array of emitters; and a first sensing circuit coupled to individual detectors of the first array of detectors, the first sensing circuit configured to receive a detection signal from at least one of the detectors of the first array of detectors.. ... Qualcomm Incorporated

Diastolic blood pressure measurement calibration

Various embodiments include methods and devices for measuring blood pressure. Various embodiments may include receiving, from one or more arterial measurement sensors, a pulse waveform representing arterial pressure as a function of time for each pulse of a series of blood pressure pulses. ... Qualcomm Incorporated

Techniques for communicating in a discontinuous receive mode

Aspects described herein relate to configuring a discontinuous receive (drx) mode in wireless communications. A transmission burst can be received over a communication frame, wherein the transmission burst includes a scheduling indication. ... Qualcomm Incorporated

Two-stage chirp signal transmission in user equipment centric mobility (uecm)

Aspects of the present disclosure provide a two-stage uplink transmission scheme. As described herein, a ue may transmit a first portion of an uplink signal to an an, receive a first acknowledgment responsive to the first portion, and after receiving the first acknowledgement, transmit the first portion and a second portion of the uplink signal to the an. ... Qualcomm Incorporated

Informing base station regarding user equipment's reception of beam change instruction

In a process of beam change, the base station transmits a beam change instruction to a user equipment to confirm a change from a current beam to another beam. The base station determines to change from a first beam to a second beam. ... Qualcomm Incorporated

Method and apparatus for reusing over obss txop

Reuse of transmission resources is discussed in which a transmitting node may reuse an entire remaining overlapping basic service set (obss) transmission opportunity (txop) instead of being limited to reuse based on a per-frame basis. The node may reuse the remaining txop if the expected caused interference to other nodes using the resources is below a predetermined threshold. ... Qualcomm Incorporated

Reference signal presence and/or bandwidth determination in narrowband systems

Aspects of the present disclosure provide techniques and apparatus for determining presence and/or bandwidth of reference signals (rs) in systems that utilize narrowband regions of wider system bandwidth for wireless communications, such as enhanced machine type communication(s) (emtc) systems and/or narrowband internet-of-things (nb-iot) systems. Aspects provide a method for wireless communications by a user equipment (ue) operating in a narrowband region of a wider system bandwidth. ... Qualcomm Incorporated

Uplink procedures on a shared communication medium

The present disclosure relates generally to uplink procedures on a shared communication medium. In an aspect, an access terminal receives a downlink subframe from an access point on the shared communication medium and, in response to receiving the downlink subframe, transmits uplink control information (uci) for the downlink subframe on a first uplink subframe of a first uci channel of a plurality of uci channels.. ... Qualcomm Incorporated

Positioning reference signal (prs) generation for multiple transmit antenna systems

Disclosed embodiments pertain to a method of generating a positioning reference signal (prs) sequence for a system comprising a plurality of physical transmitting antenna elements serving a single cell. In some embodiments, the method may comprise: assigning a distinct physical antenna port (pap) identifier (id) to a subset of the plurality of physical transmitting antenna elements; and generating prs sequences for the subset of the plurality of physical transmitting antenna elements, wherein each prs sequence corresponds to a physical transmitting antenna element in the subset of the plurality of physical transmitting antenna elements, and each prs sequence has a corresponding frequency shift based, at least in part, on the pap id (h) of the corresponding physical transmitting antenna element.. ... Qualcomm Incorporated

Techniques and apparatuses for peak to average ratio (par) based power management

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a device may determine a peak to average ratio (par) value for a portion of a wireless transmission. ... Qualcomm Incorporated

Wireless device initiated handover

Aspects of the present disclosure provide techniques and apparatus for user equipment initiated handover. Certain aspects include a method for wireless communications by a user equipment (ue) including determining a first signal metric between the ue and a first base station, while the ue has a connection established with the first base station. ... Qualcomm Incorporated

Enhanced neighbor relations and physical cell identifier confusion detection

Methods, systems, and devices for enhanced neighbor discovery through enhanced automatic neighbor relations (anr) and for detecting cell identifier confusion and are described. Neighboring base stations may provide information to one another, including using anr, that may avoid or help to resolve cell identity confusion. ... Qualcomm Incorporated

Device detection in mixed static and mobile device networks

Device detection in networks with mixed mobility devices is discussed. Devices in the network first determine a discovery mode from a plurality of discovery modes, wherein the determining is based on a mobility state of the wireless device. ... Qualcomm Incorporated

Implicit coding of reference line index used in intra prediction

A device for decoding video data determines that a current block of video data is coded using a linear model prediction mode; for the luma component of the current block, determines reconstructed luma samples; based on luma samples in a luma component of one or more already decoded neighboring blocks and chroma samples in a chroma component of the one or more already decoded neighboring blocks, determines values for linear parameters, wherein the luma samples in the luma component of the one or more already decoded neighboring blocks comprise luma samples from a starting line in the luma component of the one or more already decoded neighboring blocks, wherein the starting line in the luma component of the one or more already decoded neighboring blocks is at least one line removed from a border line of the luma component of the current block.. . ... Qualcomm Incorporated

Substream multiplexing for display stream compression

An apparatus configured to encode video data comprising a memory configured to store a block of video data and one or more processors in communication with the memory. The one or more processors are configured to determine a coding mode for encoding the block of video data from among one or more coding modes, wherein the coding mode is determined based on a maximum syntax element size, encode the block of video data in a plurality of substreams according to the determined coding mode to create a plurality of encoded substreams of video data, store the plurality of encoded substreams of video data in respective balance first-in, first-out (fifo) buffers, and multiplex the plurality of encoded substreams in a bitstream for transmitting to a video decoder.. ... Qualcomm Incorporated

Wafer level optics for folded optic passive depth sensing system

Certain aspects relate to wafer level optical designs for a folded optic stereoscopic imaging system. One example folded optical path includes first and second reflective surfaces defining first, second, and third optical axes, and where the first reflective surface redirects light from the first optical axis to the second optical axis and where the second reflective surface redirects light from the second optical axis to the third optical axis. ... Qualcomm Incorporated

Folded optic passive depth sensing system

Certain aspects relate to systems and techniques for folded optic stereoscopic imaging, wherein a number of folded optic paths each direct a different one of a corresponding number of stereoscopic images toward a portion of a single image sensor. Each folded optic path can include a set of optics including a first light folding surface positioned to receive light propagating from a scene along a first optical axis and redirect the light along a second optical axis, a second light folding surface positioned to redirect the light from the second optical axis to a third optical axis, and lens elements positioned along at least the first and second optical axes and including a first subset having telescopic optical characteristics and a second subset lengthening the optical path length. ... Qualcomm Incorporated

Multiple file delivery over unidirectional transport protocol sessions for a service

Embodiment systems, methods, and devices enable data streams of a broadcast service to be carried in multiple communication sessions in any transport protocol providing file transport information and the transmission of objects, an example of which is file delivery over unidirectional transport (“flute”). A session description may include a category attribute indicating the type of data carried in such a protocol session. ... Qualcomm Incorporated

Techniques for basic service set attribute detection and resolution

Methods, systems, and devices for wireless communications are described, including identifying a first attribute value associated with a first access point; receiving a second attribute value; and determining that the first attribute value associated with the first access point is the same as the received second attribute value. An attribute value may be an n-bit value, where n is an integer. ... Qualcomm Incorporated

Short packet communication in a powerline communication network

A network device may transmit a short packet when the length of application data that will be transmitted does not exceed a threshold length. In some embodiments, the network device may transmit the application data in a frame control field of the short packet. ... Qualcomm Incorporated

Preamble design on a shared communication medium

Techniques for managing preamble transmission and processing on a shared communication medium are disclosed. An access point or an access terminal, for example, may generate a preamble for silencing communication on a communication medium with respect to an upcoming data transmission, configure the preamble to identify one or more target devices for the silencing, and transmit the preamble over the communication medium in advance of the data transmission. ... Qualcomm Incorporated

Enabling half-duplex operation

Half-duplex (hd) operations enable low cost implementations of lte terminals. Traditionally, hd operations may be linked to a particular frequency band which may not allow a mix of full-duplex (fd) and hd terminals in the same frequency band. ... Qualcomm Incorporated

High performance, flexible, and compact low-density parity-check (ldpc) code

Certain aspects of the present disclosure generally relate to techniques for puncturing of structured low-density parity-check (ldpc) codes. Certain aspects of the present disclosure generally relate to methods and apparatus for a high-performance, flexible, and compact ldpc code. ... Qualcomm Incorporated

Enhanced lva decoding using iterative comparison trellis construction

The described techniques relate to improved methods, systems, devices, or apparatuses that support enhanced efficiency in list viterbi algorithm (lva) decoding using iterative comparison trellis construction. Iterative comparison may involve comparison and selection from ordered accumulated path metrics associated with feeding transitions by selecting, for each successive rank of an ordered path metrics list for the current stage, the best unselected accumulated path metric of the feeding transitions. ... Qualcomm Incorporated

Rach design for beamformed communications

In a mmw network, a ue and a base station may establish a link using a rach procedure. Because mmw and other band communications may rely on accurate beamforming to overcome link attention, the ue may need to provide beam information feedback to the base station. ... Qualcomm Incorporated

Sensor based beam tracking for wireless communication

Some aspects of the present disclosure provide systems and methods for utilizing information from inbuilt sensors of a wireless apparatus along with radio frequency (rf) measurements to assist and/or trigger a beam tracking operation. Some aspects of the present disclosure provide systems and methods for utilizing information available from inbuilt sensors of a wireless apparatus and rf measurements along with historical mobility information to assist a mobility operation such as an initial beam search, a neighbor beam search, and handovers.. ... Qualcomm Incorporated

Tailless convolutional codes

Certain aspects of the present disclosure relate to techniques and apparatus for increasing decoding performance and/or reducing decoding complexity. An exemplary method generally includes receiving, via a wireless medium, a codeword encoded using a tailless convolutional code (tlcc) with a known start state, evaluating a set of decoding candidate paths through a trellis decoder that originate at the known start state of the tlcc, performing, for each of a plurality of the decoding candidate paths, a back trace from a respective end state to the known start state, and selecting one of the decoding candidate paths based, at least in part, on path metrics generated while performing the back trace. ... Qualcomm Incorporated

Methods and apparatus for compactly describing lifted low-density parity-check (ldpc) codes

Certain aspects of the present disclosure generally relate to techniques for compactly describing lifted low-density parity-check (ldpc) codes. A method for wireless communications by a transmitting device is provided. ... Qualcomm Incorporated

Delay line for one shot pre-emphasis

A die-to-die data transmitter is disclosed with a pull-up one-shot circuit and a pull-down one-shot circuit, each forming a delay circuit that determines a variable preemphasis period.. . ... Qualcomm Incorporated

Source-degenerated amplification stage with rail-to-rail output swing

Certain aspects of the present disclosure generally relate to using cross-coupled transistors for source degeneration of an amplification stage. For example, the amplification stage generally includes a differential amplifier comprising transistors, cross-coupled transistors coupled to the differential amplifier, and an impedance coupled between drains of the cross-coupled transistors. ... Qualcomm Incorporated

Apparatus and methods for reducing magnetic field emissions between wireless power transmitters

In an aspect of the disclosure, an apparatus for wirelessly transmitting power is provided. The apparatus includes a communication circuit configured to communicate with a first wireless power transmitter and a second wireless power transmitter. ... Qualcomm Incorporated

Devices and methods for controlling transmitter power supply based on wireless receiver request

Devices and methods for controlling a power supply of a wireless power transmitter based on the request of a wireless power receiver are disclosed. One embodiment provides a wireless power receiver. ... Qualcomm Incorporated

System and method for adjusting a response in a wireless power receiver

A wireless power receiver includes a receive antenna configured to generate charging current in response to a primary magnetic field, and a field adjustment element located between the receive antenna and a metal structure of the wireless power receiver, the field adjustment element configured to adjust an amount of a secondary magnetic field that may reach the receive antenna.. . ... Qualcomm Incorporated

Material-aware three-dimensional scanning

A method for generating one or more two-dimensional texture maps of an object includes receiving an image frame that includes at least a portion of the object from an image capture device. The method also includes determining, at a processor, a color of a particular portion of the object using the image frame and determining a material of the particular portion of the object using the image frame. ... Qualcomm Incorporated

Geometric matching in visual navigation systems

A first map comprising local features and 3d locations of the local features is generated, the local features comprising visible features in a current image and a corresponding set of covisible features. A second map comprising prior features and 3d locations of the prior features may be determined, where each prior feature: was first imaged at a time prior to the first imaging of any of the local features, and lies within a threshold distance of at least one local feature. ... Qualcomm Incorporated

System and method for false pass detection in lockstep dual core or triple modular redundancy (tmr) systems

The disclosure relates to an apparatus and method for false pass detection in lockstep dual processing core systems, triple modular redundancy (tmr) systems, or other redundant processing systems. A false pass occurs when two processing cores generate matching data outputs, both of which are in error. ... Qualcomm Incorporated

Providing virtual buttons in a handheld device

Embodiments of apparatus, computer program product, and method for providing virtual buttons are disclosed. In one embodiment, a method of providing virtual buttons in a device includes detecting a grip around a perimeter of the device, where the perimeter of the device includes one or more ultrasonic sensors; determining one or more locations of one or more fingers of a user using data collected by the one or more ultrasonic sensors; and providing one or more virtual buttons around the perimeter of the device based on the one or more locations of the one or more fingers of the user.. ... Qualcomm Incorporated

Integrating sensation functionalities into a mobile device using a haptic sleeve

Methods, apparatuses, systems, and computer-readable media for integrating sensation functionalities into a mobile device using a haptic sleeve are presented. According to one or more aspects of the disclosure, a computing device may receive, via a haptic sleeve, sensation input captured by one or more haptic components of the haptic sleeve. ... Qualcomm Incorporated

Channel state information reporting for random access procedures

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may receive, from a base station, a downlink transmission in a radio frequency spectrum band and may identify reference resources in the downlink transmission for computing a channel state information (csi) report. ... Qualcomm Incorporated

Paging performance during inter-frequency cell reselection system information block reads

A page reception method for the multi-subscriber identity module (sim) mobile communication device includes: determining whether one or more upcoming system information block (sib) system frame numbers (sfns) will overlap with a pich occasion on a paging indicator channel (pich) for a subscription; in response to determining that the one or more upcoming sib sfns will overlap with the pich occasion, identifying a repetition period of the one or more upcoming sib sfns; determining whether the repetition period of the one or more upcoming sib sfns is not less than a discontinuous reception receive (drx) cycle for the pich occasion; and in response to determining that the repetition period of the one or more upcoming sib sfns is not less than the discontinuous reception cycle for the pich occasion, preventing decoding of the one or more upcoming sib sfns that overlap with the pich occasion.. . ... Qualcomm Incorporated

Sidelink-centric subframe for wireless communication

An apparatus may receive, from a scheduling entity, sidelink grant information in a downlink control channel. After receiving the grant information in the downlink control channel, the apparatus may transmit a request-to-send (rts) signal comprising an indication of a requested duration of time to reserve a sidelink channel for sidelink data. ... Qualcomm Incorporated

Managing radio utilization of an access point

Various embodiments include systems and methods for managing radio utilization by a processor of a wireless access point. In response to receiving an access request from a wireless station, the processor may determine whether a multi-user (mu) physical layer quality of a communication link between a radio of the access point and the wireless station exceeds a quality threshold. ... Qualcomm Incorporated

Selecting frequency bands for transmitting data packets

A first combination of frequency bands is selected for transmitting a first data packet, and a second, different combination of frequency bands is selected for transmitting a second data packet. A data stream is divided into a first set of data and a second set of data. ... Qualcomm Incorporated

Resource management

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may perform uplink communications on a first radio frequency spectrum band using a first transceiver and a first antenna. ... Qualcomm Incorporated

Downlink slot structure, channel placement, and processing timeline options

Aspects of the disclosure provide a slot structure (e.g., the arrangement of channels and pilot signals within a slot) that can relax the processing timeline for a wireless communication device. For example, in the first or initial symbol of a slot, control information may be frequency division multiplexed (fdm) with a demodulation reference signal (dmrs) or with user data. ... Qualcomm Incorporated

Multicast and/or broadcast for enhanced machine type communications and/or narrowband internet-of-things

Aspects of the present disclosure provide techniques and apparatus for multicast/broadcast for enhanced machine type communications (emtc) and/or narrowband internet-of-things (nb-iot). In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (ue), which can be a low cost device such as an emtc ue or nb-iot device. ... Qualcomm Incorporated

Access point roaming

Certain aspects of the present disclosure relate to methods and apparatus for selecting access points. One example method, performed by a wireless device, generally includes storing information indicative of location of a plurality of access points comprising a first access point. ... Qualcomm Incorporated

Systems and methods for regulating thermal performance of a user equipment

According to various embodiments, there is provided a method for a wireless communication device having at least one subscriber identity module (sim) associated with a subscription to manage communications over the subscription. The method may include determining a value of a computer processing unit (cpu) load of the wireless communication device, the cpu load based on data operations of the at least one sim and contributing to a thermal state of the wireless communication device. ... Qualcomm Incorporated

Detecting handover failures at an access point

The present disclosure describes methods and apparatus for detecting handover failures at an ap when the ap does not have an x2 interface with at least one of its neighbors. For example, methods are provided for detecting handover failures at an ap based on at least on a ue context release command message received from a mobile management entity (mme) and/or determining that a radio resource control (rrc) connection reconfiguration (rcr) message is not delivered to the ue.. ... Qualcomm Incorporated

Collision avoidance in multi-subscriber identity module (sim) wireless communication devices

Examples described herein relate to managing communications for a first subscription and a second subscription of a wireless communication device, including, but not limited to, determining collision between activities of the first subscription over a first rat and activities of the second subscription over a second rat and reselecting from the second rat to a third rat for the second subscription.. . ... Qualcomm Incorporated

Method and apparatuses for suspending traffic in a frequency band

Various types of communication may switch from an unlicensed spectrum to a licensed spectrum. Micr communication may be synchronized based on transmission time intervals (ttis), which may improve the duration required to switch between bands. ... Qualcomm Incorporated

Application relevance determination based on social context

Systems, methods, devices, and computer program products are described for using context-aware recommendation techniques to facilitate content discovery on a mobile device platform. In particular, the context-aware recommendation techniques evaluate both a current device context and a social context to generate application relevance scores for each of a number of applications downloaded to a mobile device. ... Qualcomm Incorporated

Suppressing or reducing effects of wind turbulence

A method of operation of a device includes receiving an input signal at the device. The input signal is generated using at least one microphone. ... Qualcomm Incorporated

Methods for detection of reflected cross site scripting attacks

An anti-cross-site scripting (anti-xss) feature is provided at an operating system without reliance on higher-level third-party software (e.g., browsers, anti-virus software, etc.). A uniform resource locator (url) link is intercepted at a kernel level of an operating system of a device. ... Qualcomm Incorporated

Location encoding for synchronization signal to convey additional information

Aspects of the present disclosure relate to methods and apparatus for location encoding for secondary synchronization signals (sss) to convey additional information, such as a current symbol number. According to aspects, a method is provided herein for wireless communications that may be performed, for example, by a base station (bs). ... Qualcomm Incorporated

Optimized secondary synchronization signal

Methods, systems, and devices for wireless communication are described. A wireless communications system operating in millimeter wave (mmw) spectrum may utilize synchronization signals for beam tracking. ... Qualcomm Incorporated

Techniques for transmitting positioning reference signals in an unlicensed radio frequency spectrum band

Techniques are described for wireless communication. In one method, a positioning reference signal (prs) may be generated. ... Qualcomm Incorporated

Ue feedback for point-to-multipoint transmissions

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

Enhanced polar code constructions by strategic placement of crc bits

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

Encoding and decoding of control signaling with sectional redundancy check

Certain aspects of the present disclosure relate to techniques and apparatus for increasing decoding performance and/or reducing decoding complexity. An exemplary method generally includes obtaining a payload to be transmitted, partitioning the payload into a plurality of payload sections, deriving redundancy check information for each respective payload section of the plurality of payload sections, merging the redundancy check information for each payload section with the plurality of payload sections to form a sequence of bits, and generating a codeword by encoding the sequence of bits using an encoder. ... Qualcomm Incorporated

Generalized polar code construction

Certain aspects of the present disclosure relate to techniques and apparatus for improving decoding latency and performance of polar codes. An exemplary method generally includes generating a codeword by encoding information bits using a first code of length k to obtain bits for transmission via k channels, wherein the first code comprises a polar code, further encoding the bits in each of the k channels using a second code of length m, and transmitting the codeword.. ... Qualcomm Incorporated

Time division multiplexing of synchronization channels

The apparatus may be a user equipment (ue). The apparatus receives a transmission of at least one of a plurality of first synchronization signals. ... Qualcomm Incorporated

Time division multiplexing of synchronization channels

The apparatus may be a base station. The apparatus sets a first numerology for at least one synchronization signal of one or more synchronization signals to be different from a second numerology for at least one data signal of one or more data signals. ... Qualcomm Incorporated

Time division multiplexing of synchronization channels

The apparatus may be a base station. The apparatus processes a first group of synchronization signals. ... Qualcomm Incorporated

Time division multiplexing of synchronization channels

The apparatus may be a base station. The apparatus processes a plurality of synchronization signals by performing time-division multiplexing (tdm) of at least one of a plurality of first synchronization signals of different types and at least one of the plurality of second synchronization signals of different types, the plurality of synchronization signals including the plurality of first synchronization signals and the plurality of second synchronization signals. ... Qualcomm Incorporated

Conveying hypotheses through resource selection of synchronization and broadcast channels

According to an aspect of the disclosure, a base station may convey the parameter information to the ue based on selection of particular resources to be used for transmission of synchronization signals, where the selected resources correspond to the particular parameter information. The ue may blindly detect the synchronization signals on various candidate resources and determine the parameter information based on the resources where the synchronization signals are detected. ... Qualcomm Incorporated

Dynamic chain configuration selection

Methods, systems, and devices for wireless communication are described. A wireless device (e.g., an access point or a station) capable of supporting multiple chain configuration modes may monitor traffic on a wireless channel. ... Qualcomm Incorporated

Csi feedback overhead reduction for fd-mimo

Mechanisms for reduction of channel state information (csi) feedback overhead are disclosed for full dimensional multiple input, multiple output (fd-mimo) systems with large dimension antenna ports. In one aspect, rank-dependent csi antenna port measurements are used in order to limit the number of antenna ports for high rank csi reporting. ... Qualcomm Incorporated

Low clock power data-gated flip-flop

A low clock power data-gated flip-flop is provided. The data-gated flip-flop includes an exclusive or component including a first exclusive or input, a second exclusive or input, and a first exclusive or output. ... Qualcomm Incorporated

Transmitter with feedback terminated preemphasis

A transmitter is disclosed with a pull-up feedback circuit and a feedback circuit. The transmitter includes an output driver for driving an output terminal.. ... Qualcomm Incorporated

Modular and assemblable wireless charging system and device

Devices and methods for distributing power are disclosed. For example, one device includes multiple assemblable elements, each assemblable element is configured to permit interlocking between one or more of the multiple assemblable elements. ... Qualcomm Incorporated

Complementary metal oxide semiconductor (cmos) devices employing plasma-doped source/drain structures and related methods

Complementary metal oxide semiconductor (cmos) devices employing plasma-doped source/drain structures and related methods are disclosed. In certain aspects, a source and drain of a cmos device are formed at end portions of a channel structure by plasma doping end portions of the channel structure above solid state solubility of the channel structure, and annealing the end portions for liquid phase epitaxy and activation (e.g., superactivation). ... Qualcomm Incorporated

Bulk cross-coupled high density power supply decoupling capacitor

In an aspect of the disclosure, a mos device for using bulk cross-coupled thin-oxide decoupling capacitor is provided. The mos device may include a pmos transistor and an nmos transistor. ... Qualcomm Incorporated

Methods and apparatus for using split n-well cells in a merged n-well block

In an aspect of the disclosure, a mos device for reducing routing congestion caused by using split n-well cells in a merged n-well circuit block is provided. The mos device may include a first set of cells adjacent to each other in a first direction. ... Qualcomm Incorporated

Dynamic low-resolution z test sizes

A graphics processing unit (gpu) may perform a binning pass to determine primitive-tile intersections for a plurality of primitives and a plurality of tiles making up a graphical scene, including performing low-resolution z-culling of representations of the plurality of primitives based at least in part on a first set of culling z-values each having a first test size to determine a first set of visible primitives from the plurality of primitives. The gpu may further perform a rendering pass to render the plurality of tiles based at least in part on performing the low-resolution z-culling of representations of the first set of visible primitives based at least in part on a second set of culling z-values that represents a second test size to determine a second set of visible primitives from the first set of visible primitives, wherein the first test size is greater than the second test size.. ... Qualcomm Incorporated

Computing device to generate a security indicator

Aspects may relate to a computing device that comprises a processor operable in a secure mode and a memory. The processor may be configured to: obtain a first layer of graphics that includes image elements; obtain a second layer of graphics that includes image elements; randomly select an image element from the first layer of graphics; randomly select an image element from the second layer of graphics; and compose the selected image elements from the first and second layer of graphics to create a composed random image. ... Qualcomm Incorporated

Termination schemes for multi-rank memory bus architectures

A multi-rank memory bus architecture is provided in which an active dram is unterminated and an inactive dram terminates to increase the data eye width at the active dram.. . ... Qualcomm Incorporated

Systems, methods, and apparatus related to wireless charging management

Various systems, methods, and apparatuses for operating a wireless charging device in an electric vehicle are disclosed. One method includes detecting a system fault indicative of one or more faults in the wireless charging device in the electric vehicle or in the transmitter. ... Qualcomm Incorporated

Power and performance aware memory-controller voting mechanism

In some aspects, a method for adjusting an operating frequency of a memory controller is provided, wherein a graphics processing unit (gpu) accesses a memory via the memory controller. The method includes monitoring activity of the gpu to determine an active time of the gpu, comparing the determined active time with an active threshold, and, if the determined active time is greater than the active threshold, increasing the operating frequency of the memory controller.. ... Qualcomm Incorporated

System and method for reducing power delivery network complexity through local power multiplexers

A power delivery network (pdn) including a battery, a set of regulators for generating supply voltages, and an integrated circuit (ic) including power rails configured to receive the supply voltages. The ic further includes an ic chip having a set of cores. ... Qualcomm Incorporated

Location determination using light-based communications

Disclosed are methods, systems, devices, apparatus, computer-/processor-readable media, and other implementations, including a method, at a processor-based mobile device, that includes determining a first set of candidate positions of the mobile device corresponding to a first time instance based, at least in part, on position data including a first set of identifiers decoded from signals including respective first one or more light-based communications received by the mobile device from a first one or more light devices, with the mobile device being located at a first location at the first time instance. The method further includes selecting at least one candidate position from the first set of candidate positions, in response to a determination that the first set of candidate positions includes more than one candidate position, in order to resolve positional ambiguity, based, at least partly, on further position data from further signals from one or more devices.. ... Qualcomm Incorporated

Lte-u uplink waveform and variable multi-subframe scheduling

. . Uplink waveforms for operating long term evolution (lte) in an unlicensed band (i.e., long term evolution-unlicensed (lte-u) communication) are disclosed. Carrier aggregation (ca) and standalone (sa) are disclosed. ... Qualcomm Incorporated

Rach combining across multiple attempts

A mechanism is proposed to reduce overhead at the expense of increasing latency for ues with weak link gain, while the latency for most ues may remain the same. In one aspect of this disclosure, a ue may determine the number of attempts for transmitting a rach signal based on one or more of path loss, the transmit power of the ue, the beam correspondence at the ue, or the power of signals received during the synchronization subframe. ... Qualcomm Incorporated

Rach combining across multiple attempts

In one aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided to reduce overhead at the expense of increasing latency for ues with weak link gain, while latency for most ues may remain the same. The apparatus may be a ue. ... Qualcomm Incorporated

Techniques for beam shaping at a millimeter wave base station

Methods, systems, and devices are described for wireless communication at a user equipment (ue). A wireless communications system may improve ue discovery latency by dynamically selecting and switching beam forming codebooks at the millimeter wave base station and the wireless device. ... Qualcomm Incorporated

Uplink control information reporting

Certain aspects of the present disclosure relate to methods and apparatus for uplink control information (uci) reporting. In certain aspects, a method includes receiving an indication of a number of symbols of a subframe available for uplink transmission. ... Qualcomm Incorporated

Flexible control information reporting

Aspects of the present disclosure provide a mechanism for flexible control information reporting within a wireless communication network by mapping a plurality of hybrid automatic repeat request (harq) processes to respective locations in a payload format of an uplink control channel. In response to receiving a request to transmit acknowledgment information corresponding to one or more selected harq processes, the acknowledgment information corresponding to the one or more selected harq processes may be included in the respective locations of the payload of a current uplink control channel based on the mapping. ... Qualcomm Incorporated

Support of transmission mode and impact on pdcch blind decodes of ptm (point-to-multipoint) transmission

Various improvements are desired for point-to-multipoint (ptm) transmission, where a network sends the ptm transmission to multiple user equipments (ues). The apparatus may be an ue. ... Qualcomm Incorporated

High frequency wireless communication system paging

Systems and methods of wireless communication of a paging signal are disclosed. According to some aspects of the disclosure, a sequence of a plurality of beam configurations may be selected for use in communicating a paging signal between a pair of wireless devices. ... Qualcomm Incorporated

Identification and/or profiling of stationary users and mobile users

The present disclosure enables an enb to identify and/or profile stationary verses mobile ues located within its cell. In addition, the enb may tailor a discovery filter that includes all of the pacs (e.g., advertisements) being transmitted by stationary ues within a vicinity of the cell. ... Qualcomm Incorporated

Managing tune-away performance during an ongoing voice communication session

Embodiments include systems and methods for managing a tune-away from a first subscription to a second subscription in a multi-subscription multi-standby communication device during an ongoing voice communication session on the first subscription. A device processor may perform a tune-away from the first subscription to the second subscription. ... Qualcomm Incorporated

Techniques and apparatuses for improved robust header compression (rohc) decompression

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device may determine a decompression failure associated with a header of a received packet and a first real-time transport protocol (rtp) sequence number (sn) interpretation window. ... Qualcomm Incorporated

Systems and methods for generating and decoding short control frames in wireless communications

Systems, methods, and devices for communicating short control frames are described herein. In some aspects, a method of wireless communication includes generating a control frame comprising a contention free end (cf-end) frame, the cf-end frame comprising a physical layer preamble having a type field, the type field including an indicator indicating the cf-end frame is a null data packet (ndp). ... Qualcomm Incorporated

Optimal tune away scheme for circuit switched calls on virtual subscriber identity module

A method for authenticating a circuit switched (cs) call on a virtual subscriber identity module (vsim) includes: authenticating the vsim for a packet switched (ps) call connection using authentication information obtained from a remote server through a software subscriber identity module (soft-sim) connection to the remote server; initiating a call connection on a cs radio access technology (rat) between the vsim and a first communication network; and authenticating the vsim cs call connection to the first communication network through the vsim ps connection in response to an authentication request for the call connection on the cs rat.. . ... Qualcomm Incorporated

Audio systems and methods

A system for receiving multiple conversations or messages and for playing the multiple conversations or messages with a mobile device and wireless earpieces. The system may determine various presentation parameters based on various characteristics of the received messages and may play the messages such that audio appears at distinguishing locations around the user. ... Qualcomm Incorporated

Sample entries and random access

In one example, a device for retrieving video data includes one or more processors configured to receive data describing a sample entry type for a sample of a video bitstream, the sample entry type being one of ‘hev1’ or ‘hev2,’ wherein the sample comprises video data encoded according to one of high-efficiency video coding (hevc) or layered hevc (l-hevc), and wherein one or more other samples including video data precede the sample in the video bitstream in decoding order, and in response to the sample entry type being ‘hev1’ or ‘hev2’ and the sample comprising the video data encoded according to one of hevc or l-hevc, retrieve the sample to perform random access using the sample, without retrieving the video data of any of the one or more other samples that precede the sample, and without retrieving parameter sets of any previous samples of the video bitstream in decoding order.. . ... Qualcomm Incorporated

Sample entries and random access

In one example, a device for retrieving video data includes one or more processors configured to, in response to determining that a lowest track of a plurality of tracks, the lowest track including a base layer of the video data carrying a lowest sub-layer of the video data, is to include sample entry type values for samples indicating that convenient random access is enabled, set sample entry type values for samples of each of the other tracks of the plurality of tracks that include video data to indicate that convenient random access is enabled, and generate a file including the plurality of tracks, such that the sample entry type values for the tracks of the plurality of tracks indicate that convenient random access is enabled.. . ... Qualcomm Incorporated

Virtual reality video signaling in dynamic adaptive streaming over http

A device for processing media data is configured to receive media data including virtual reality (vr) video data; determine, based at least in part on data signaled at an adaptation set level of a media presentation description for a media presentation, a projection mapping used in the media presentation; process segments of a video representation of the media presentation based on the projection mapping used in the media presentation. A device for processing media data is configured to generate media data that includes vr video data; include in the media data, data signaled at an adaptation set level of a media presentation description that identifies a projection mapping used in media presentation included in the media data; and send segments of a video representation of the media presentation based on the projection mapping used in the media presentation.. ... Qualcomm Incorporated

Video debanding using adaptive filter sizes and gradient based banding detection

The present disclosure provides various aspects related to removing or reducing banding artifacts by performing video debanding using adaptive filter sizes and gradient based banding detection. For example, a method is described for processing banding artifacts in video data in which banding artifact detection is performed on a target pixel location in the video data. ... Qualcomm Incorporated

Mapping of tile grouping and samples in hevc and l-hevc file formats

A computing device receive a bitstream comprising a plurality of coded slice nal units encapsulating rbsps for respective slice segments of a slice of a picture. The slice segments including an independent slice segment and one or more dependent slice segments. ... Qualcomm Incorporated

Bandwidth aware network statistics collection

Herein disclosed are systems, methods, and apparatus for controlling data usage statistics in network-connected devices. The ‘stats’ collection can be suppressed during minimum window periods, thereby reducing cpu and resources usage needed to processes the stats collection. ... Qualcomm Incorporated

Methods and apparatus for enhancing device messaging

The present disclosure provides methods and apparatus for enhanced messaging. Specifically, methods and apparatus are presented for transmitting a communication characteristic indicator of a communication message substantially simultaneous to an input of data defining at least a portion of the communication message at the sending device. ... Qualcomm Incorporated

Channel quality assessment for a data link group

A device for wireless communication includes a receiver configured to receive first usage data of a channel of a data link group. The first usage data is received from a device of the data link group and is associated with a time period. ... Qualcomm Incorporated

Tone-phase-shift keying: a new modulation scheme for sc-fdma

A method of wireless communication by a user equipment includes determining an allocation of a set of tones in a symbol for conveying data. The method further includes determining to use m-ary phase shift keying (mpsk) to modulate the data onto a subset of tones of the set of tones. ... Qualcomm Incorporated

System and method for data generator driven bus clock voting

Various embodiments of methods and systems for data generator driven bus clock voting are disclosed. An exemplary embodiment defines a first timing domain within a system on a chip to comprise a data generating component and a bus that includes a memory management unit. ... Qualcomm Incorporated

Inter-cell interference mitigation for traffic according to priority

Traffic in a first cell may experience interference from or may cause interference to traffic in an adjacent cell, which may lead to undesirable performance in one or both of the first cell and the adjacent cell. For example, a user equipment (ue) near an edge of the first cell may experience appreciable interference based on the reuse of resources. ... Qualcomm Incorporated

Harq feedback in shared rf spectrum band

Methods, systems, and devices for wireless communication are described. Wireless communications systems operating in unlicensed or shared radio frequency spectrum band may use different modes to manage hybrid automatic repeat request (harq) feedback. ... Qualcomm Incorporated

System and method for beam switching and reporting

A ue may receive a beam modification command that indicates a set of transmit beam indexes corresponding to a set of transmit beams of a base station, and each transmit beam index of the set of transmit beam indexes may indicate at least a transmit direction for transmitting a transmit beam by the base station. The ue may determine a set of receive beam indexes corresponding to receive beams of the ue based on the set of transmit beam indexes, and each receive beam index of the set of receive beam indexes may indicate at least a receive direction for receiving a receive beam by the ue. ... Qualcomm Incorporated

System and method for beam switching and reporting

Methods, apparatuses, and computer-readable mediums associated with a user equipment (ue) and a base station are provided for herein. In aspects, a ue may receive, from a base station, a beam modification command indicating at least one beam index for communicating through at least one beam on at least one channel. ... Qualcomm Incorporated

System and method for beam switching and reporting

A user equipment (ue) may be configured to perform a random access channel (rach) procedure with a base station. As part of the rach procedure, the base station may transmit a contention resolution message to the ue. ... Qualcomm Incorporated

System and method for beam switching and reporting

A ue may receive, from a base station, through a set of beams a set of brss. The ue may measure a signal quality of each brs of the set of brss, and each measured signal quality may correspond to a beam of the set of beams. ... Qualcomm Incorporated

System and method for beam switching and reporting

A ue may select a first beam for communication with a base station. The ue may attempt, through the selected first beam, at least one rach procedure with the base station. ... Qualcomm Incorporated

System and method for beam switching and reporting

A ue may receive, from a base station, a message requesting bsi. The ue may determine a number n of bsi reports to send to the base station, and each bsi report may indicate a beam index corresponding to a beam and a received power associated with the beam. ... Qualcomm Incorporated

Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit

Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit is disclosed. A power multiplexing circuit in the power multiplexing system includes a plurality of supply selection circuits (e.g., head switches) each coupled between a respective supply power rail and an output power rail coupled to the powered circuit. ... Qualcomm Incorporated

Over-voltage protection systems and methods

Over-voltage protection systems and methods are disclosed. In one aspect, a biasing circuit is added to a pre-existing clamp required by the universal serial bus (usb) type-c specification at a configuration control (cc) pin. ... Qualcomm Incorporated

Stacked inductors

Exemplary embodiments of the disclosure are related to inductors, e.g., at least a pair of planar inductors for a wireless apparatus, for example transceivers used in a wireless device. A device may include a first planar inductor configured on a first area of a substrate. ... Qualcomm Incorporated

Stacked inductors

Exemplary embodiments of the disclosure are related to inductors, e.g., at least a pair of planar inductors, for wireless communication apparatus, for example transceivers used in a wireless device. A device may include a first planar inductor configured on a first area of a substrate. ... Qualcomm Incorporated

Multiple cycle search content addressable memory

In an aspect of the disclosure, a method and an apparatus are provided. The apparatus may be a content addressable memory. ... Qualcomm Incorporated

Periodic zq calibration with traffic-based self-refresh in a multi-rank ddr system

According to various aspects, a memory controller may schedule zq commands to periodically calibrate individual memory ranks in a multi-rank memory. The memory controller may schedule a zq short command at each zq interval and record that the zq short command was missed with respect to a memory rank in a self-refresh mode at the zq interval. ... Qualcomm Incorporated

Methods and systems of determining costs for object tracking in video analytics

Techniques and systems are provided for processing video data. For example, techniques and systems are provided for determining costs for blob trackers and blobs. ... Qualcomm Incorporated

Fisheye rendering with lens distortion correction for 360-degree video

In various implementations, provided are systems and methods for correcting the distortion present in a fisheye image, and rendering the image for display as 360-degree video. In various implementations, a computing device can receive 2-dimensional video data captured by an omnidirectional camera. ... Qualcomm Incorporated

Advanced signaling of a most-interested region in an image

A device for determining information for video data includes one or more processors implemented in circuitry that are configured to determine one or more most-interested regions of a plurality of regions of an image of video data from data representative of the one or more most-interested regions. The one or more processors are further configured to generate a request specifying the one or more most-interested regions using the data representative of the one or more most-interested regions and output the request to a server device.. ... Qualcomm Incorporated

Adaptive voltage modulation circuits for adjusting supply voltage to reduce supply voltage droops and minimize power consumption

Adaptive voltage modulation circuits for adjusting supply voltage to reduce supply voltage droops and minimize power consumption are provided. In one aspect, an adaptive voltage modulation circuit detects a supply voltage droop by detecting when a supply voltage falls below a droop threshold voltage, and adjusts a clock signal provided to a load circuit in response to a supply voltage droop. ... Qualcomm Incorporated

Unmanned aerial vehicle charging station management

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

Dynamic sensor accuracy setting threshold

Apparatuses are presented. The apparatus includes a sensor configured with an adjustable accuracy setting to measure a physical parameter and a controller configured to adjust the accuracy setting based on a threshold, and to adjust the threshold based on the physical parameter measured by the sensor. ... Qualcomm Incorporated

Ultrasonic tilt sensor and related methods

A device may include a surface at least partially defining an enclosed region, a plurality of fluids within the enclosed region, the plurality of fluids comprising at least a first fluid having a first acoustic impedance and a second fluid having a second acoustic impedance different from the first acoustic impedance, a first piezoelectric transducer disposed on the surface, the first piezoelectric transducer being configured to generate a first wave reception signal based, at least in part, on an ultrasonic return wave received through at least one of the plurality of fluids, and a processor coupled to the first piezoelectric transducer and configured to determine a measurement of a tilt of the device based, at least in part, on the first wave reception signal.. . ... Qualcomm Incorporated

Uplink transmission gaps in emtc

Aspects of the present disclosure provide techniques and apparatus for uplink transmission gaps in enhanced machine type communications (emtc). In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (ue), which can be a low cost emtc ue. ... Qualcomm Incorporated

Non-equal bit allocation for coexistence with scaled numerology systems

Aspects of the present disclosure describe a guard band signal for communication on a guard band between a first frequency band utilized by a first radio access technology having a first sub-carrier spacing and a second frequency band utilized by a second radio access technology having a second sub-carrier spacing that is a multiple of the first sub-carrier spacing. The guard band signal includes a symbol that is repeated a number of times equal to the multiple. ... Qualcomm Incorporated

Decoupled transmissions of channel quality feedback and acknowledgement/negative-acknowledgement feedback

Techniques are described for wireless communication at a user equipment (ue). One method includes receiving a downlink grant for a downlink transmission; transmitting channel quality feedback at a first time triggered by receipt of the downlink grant, the first time occurring during a first transmission time interval (tti); and transmitting acknowledgement/negative-acknowledgement (ack/nack) feedback for the downlink transmission at a second time triggered by receipt of the downlink grant, the second time occurring during a second tti, and the second tti occurring later in time than the first tti.. ... Qualcomm Incorporated

Downlink control format indicator

Methods, apparatuses, systems, and devices are described for wireless communication. In one method, a control format indicator value for a frame may be received over a physical carrier in a shared spectrum. ... Qualcomm Incorporated

Tx scheduling using hybrid signaling techniques

A system and method for managing communications between an access point (ap) and a plurality of wireless stations (stas) over a wireless medium. The ap schedules each of the plurality of stas to access the wireless medium during a target wake time (twt) service period. ... Qualcomm Incorporated

Methods and apparatus for flexible bandwidth operation

Methods and apparatus for flexible bandwidth operation in a wireless communication network are provided. A user equipment (ue) monitors a first set of resources for a first control channel in a first bandwidth region. ... Qualcomm Incorporated

Narrowband positioning signal design and procedures

Certain aspects of the present disclosure generally relate to downlink (dl) based and uplink (ul) based positioning reference signal (prs) techniques that may help facilitate positioning procedures in systems deploying narrowband devices, such as narrowband internet of things (nb-iot) devices. An exemplary method that may be performed by a node includes monitoring for positioning reference signals (prs) transmitted from one or more base stations within a narrowband region of a wider system bandwidth, wherein tones of the prs are repeated across at least one of multiple symbols within a same subframe, or multiple consecutive subframes, and estimating timing from the one or more base stations based on the prs.. ... Qualcomm Incorporated

Deep sleep mode abort mechanism for machine-type communication devices

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive sensor information from a sensor associated with the user equipment, wherein the user equipment is in a deep sleep mode when the sensor information is received. ... Qualcomm Incorporated

Public land mobile network search in static state using sensor inputs

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may be configured for determining that the ue is to perform a public land mobile network (plmn) scan operation, the plmn scan operation to be performed during a plmn scan window. ... Qualcomm Incorporated

Lte's wlan mobility set prioritization

Methods and corresponding apparatuses for lte's wlan mobility set prioritization are discussed. The method includes detecting an integrated wlan and a legacy wlan, measuring the connection quality of the integrated wlan and/or the connection quality of the legacy wlan, and determining whether to select the legacy wlan over the integrated wlan based on the measurement results. ... Qualcomm Incorporated

Method and apparatus for new key derivation upon handoff in wireless networks

A novel key management approach is provided for securing communication handoffs between an access terminal and two access points. An access terminal establishes a secure communication session with a first access point based on a first master session key based on a master transient key. ... Qualcomm Incorporated

Location by reference for an over-the-top emergency call

Methods and apparatuses for providing support for location and emergency calls for an over-the-top (ott) service provider (sp) are disclosed. An access network node receives a first message from a ue, determines a location reference for the ue, and sends a second message including the location reference to the ue. ... Qualcomm Incorporated

Reliability in mobile device positioning in a crowdsourcing system

Methods and systems are disclosed for improving reliability in mobile device positioning. A mobile device generates position data for a device, receives a first access point position reliability state associated with the first access point, determines a reliability of the position data based on the first access point position reliability state and an estimated location of the first access point, determines a threshold reliability requirement of an application associated with the mobile device, compares the reliability of the position data to the threshold reliability requirement of the application, and provides the position data of the device based on the comparison. ... Qualcomm Incorporated

Systems and methods for supporting positioning beacons compatible with legacy wireless devices

Disclosed are methods, devices, systems, nodes, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, at a wireless node, for supporting positioning of one or more wireless devices. The method includes transmitting, by the wireless node configured as a positioning beacon, a first downlink signal for supporting positioning of the one or more wireless devices, and transmitting a second downlink signal that inhibits a receiving wireless device, from the one or more wireless devices, from sending uplink signals to the wireless node configured as the positioning beacon.. ... Qualcomm Incorporated

Device for generating audio output

A headset device includes a first earpiece configured to receive a reference sound and to generate a first reference audio signal based on the reference sound. The headset device further includes a second earpiece configured to receive the reference sound and to generate a second reference audio signal based on the reference sound. ... Qualcomm Incorporated

End of sequence and end of bitstream nal units in separate file tracks

A device includes, in a first track of the file, a first end of sequence (eos) network abstraction layer (nal) unit for a coded video sequence of a bitstream. The first eos nal unit is in a first access unit of the coded video sequence. ... Qualcomm Incorporated

Methods and systems for generating and processing content color volume messages for video

Systems, methods, and computer readable media are described for processing content color volume messages. In some examples, video data is obtained. ... Qualcomm Incorporated

Regional random access in pictures

In general, the disclosure to techniques for regional random access within a picture of video data. For example, a video coding device receives a plurality of pictures in a coding order. ... Qualcomm Incorporated

Most-interested region in an image

A device for determining information for video data includes one or more processors implemented in circuitry that are configured to determine one or more most-interested regions of a plurality of regions of an image of video data based on data representative of the one or more most-interested regions. The data representative of the one or more most-interested regions is external to video coding layer (vcl) data of a bitstream including the video data. ... Qualcomm Incorporated

Circular fisheye video in virtual reality

Provided are systems, methods, and computer-readable medium for including parameters that describe fisheye images in a 360-degree video with the 360-degree video. The 360-degree video can then be stored and/or transmitted as captured by the omnidirectional camera, without transforming the fisheye images into some other format. ... Qualcomm Incorporated

User equipment service management

The present application relates to service management at a user equipment (ue). The described aspects include determining whether at least one activated service satisfies a termination condition based on detecting that a service deactivation triggering condition has been met. ... Qualcomm Incorporated

Polar codes and modulation mappings

Methods, systems, and devices for wireless communication are described. A transmitter, such as a user equipment and/or a base station, may perform polar coding to encode bits. ... Qualcomm Incorporated

Receiver coupled to an infinite impulse response (iir) compensation filter

A device for communication includes a receiver and a tuned infinite impulse response (iir) compensation filter. The receiver is coupled to an in-phase path and a quadrature path. ... Qualcomm Incorporated

Phase continuity technique for frequency synthesis

A phase discontinuity mitigation implementation within a phased lock loop (pll) improves throughput of a radio access technology. The throughput is improved by maintaining a phase of the pll while powering off some devices of the pll, such as a local oscillator (lo) frequency divider. ... Qualcomm Incorporated

Csi-rs design with dynamic subframe structure

Methods, systems, and devices for wireless communication are described. A base station and user equipment (ue) may use subframe configurations that include dynamically scheduled channel state information reference signal (csi-rs) symbols. ... Qualcomm Incorporated

Amplifier calibration

A device includes an amplifier and calibration circuitry coupled to the amplifier. The calibration circuitry is configured to receive calibration values. ... Qualcomm Incorporated

Double-sided circuit

The present disclosure provides circuits and methods for fabricating circuits. A circuit may include an insulator having a first surface, a second surface, a periphery, a first subset of circuit elements disposed on the first surface, a second subset of circuit elements disposed on the second surface, and at least one conductive sidewall disposed on the periphery, wherein the conductive sidewall electrically couples the first subset of circuit elements to the second subset of circuit elements.. ... Qualcomm Incorporated

Power supplies with feedback

Features and advantages of certain embodiments include a plurality of power supplies that work together to deliver power to a target circuit. In one embodiment, a downstream power supply provides a fast current delivery in response to load current transients and generates a feedback signal to control an upstream power supply so that the upstream and downstream power supplies work together to meet the current and voltage requirements of a target circuit across a wide range of loading conditions.. ... Qualcomm Incorporated

System and method for reducing power consumption and improving performance based on shared regulator current supply voltage

The disclosure relates to a system including a set of subsystems sharing a voltage rail. The system includes a power controller configured to send messages, such as interrupts, to the subsystems concerning a change of state of a supply voltage on the voltage rail. ... Qualcomm Incorporated

Graphene nmos transistor using nitrogen dioxide chemical adsorption

An n-type metal-oxide-semiconductor (nmos) transistor comprises a graphene channel with a chemically adsorbed nitrogen dioxide (no2) layer formed thereon. The nmos transistor may comprise a substrate having a graphene layer formed thereon and a gate stack formed on a portion of the graphene layer disposed in a channel region that further includes a spacer region. ... Qualcomm Incorporated

Passive components implemented on a plurality of stacked insulators

The present disclosure provides integrated circuit apparatuses and methods for manufacturing integrated circuit apparatuses. An integrated circuit apparatus may include a first insulator, the first insulator being substantially planar and having a first top surface and a first bottom surface opposite the first top surface, a first conductor disposed on the first insulator, a second insulator, the second insulator being substantially planar and having a second top surface and a second bottom surface opposite the second top surface, a second conductor disposed on the second insulator, and a dielectric layer disposed between the first bottom conductor of the first insulator and the second top conductor of the second insulator.. ... Qualcomm Incorporated

Heterogeneous cell array

A heterogeneous cell array includes a first column of cells and a second column of cells. The first column of cells includes a first cell having a first area and a second cell having the first area. ... Qualcomm Incorporated

Device package with wire bond assisted grounding and inductors

Low inductance to ground can be provided in wire-bond based device packages. An example device package may include a die on a package substrate, a mold on the package substrate and encapsulating the die, an upper ground conductor on the mold, and ground wire bonds within the mold. ... Qualcomm Incorporated

Apparatus with 3d wirewound inductor integrated within a substrate

An apparatus includes a substrate and a three-dimensional (3d) wirewound inductor integrated within the substrate. The apparatus further includes a capacitor coupled to the 3d wirewound inductor.. ... Qualcomm Incorporated

Predictor-corrector based pose detection

A computer-implemented method, apparatus, computer readable medium and mobile device for determining a 6dof pose from an input image. The process of determining 6dof pose may include processing an input image to create one or more static representations of the input image, creating a dynamic representation of the input image from an estimated 6dof pose and a 2.5d reference map, and measuring correlation between the dynamic representation and the one or more static representations of the input image. ... Qualcomm Incorporated

Data protection at factory reset

Methods, apparatus, and computer program products for protecting information stored on a computing device are described. An example of a method includes generating a first encryption key based on a previously stored factory reset value, encrypting, by a processor, at least a portion of information associated with an application using the first encryption key, storing the encrypted at least the portion of the information associated with the application in a memory of the computing device, obtaining, by the processor, a request for a factory reset of the computing device, in response to the request for the factory reset of the computing device, replacing, by the processor, the previously stored factory reset value with a new factory reset value, and disabling decryption of the stored encrypted at least the portion of the information associated with the application by generating a second encryption key based on the new factory reset value.. ... Qualcomm Incorporated

Method for seamless mobile user experience between outdoor and indoor maps

Methods, systems, computer-readable media, and apparatuses for integration of an outdoor map and an indoor map associated with a venue using a mobile device are presented. The method may comprise presenting the outdoor map associated with an outdoor map application, wherein the outdoor map includes an area associated with the venue. ... Qualcomm Incorporated

Systems and methods to separate power domains in a processing device

A system includes a processing core built on a semiconductor substrate, the processing core having a first sub core and a second sub core, each of the first and second sub cores configured to perform a processing function, and a plurality of power rails traversing a dimension of the processing core and spanning from the first sub core to the second sub core, each of the power rails being configured to provide an operating voltage to the first and second sub cores, and wherein a boundary between the first sub core and the second sub core is irregularly shaped, and wherein each of the first and second sub cores corresponds to a respective power domain.. . ... Qualcomm Incorporated

Systems and methods to separate power domains in a processing device

A semiconductor device includes: a processing core having a plurality of sub cores, a plurality of power rails spanning from a first sub core to a second sub core of the plurality of sub cores, the plurality of power rails configured to provide an operating voltage to each of the first sub core and the second sub core, and a plurality of cells defining a boundary between the first sub core and the second sub core, each of the cells providing a discontinuity in a respective power rail, wherein the discontinuity includes a break in the respective power rail in more than one layer of the semiconductor device.. . ... Qualcomm Incorporated

Internet-of-things design for unlicensed spectrum

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication, and more particularly, to design principles for extending internet of things (iot) (e.g., narrowband iot (nb-iot), machine type communication(s) (mtc), etc.) into an unlicensed radio frequency (rf) band spectrum. In certain aspects, the method generally includes determining an interlace structure of tones, within an unlicensed radio frequency (rf) spectrum, available to a wireless node for communication, and communicating based on the interlace structure. ... Qualcomm Incorporated

Techniques for performing a random access procedure in an unlicensed spectrum

Techniques are described for wireless communication. One method includes transmitting a sequence of deterministic variations of random access data on at least one interlace of non-contiguous frequency resources allocated to a physical random access channel (prach) in an unlicensed spectrum, beginning at a first time; repeating the transmitting of the sequence of deterministic variations of random access data at least once, beginning at a second time; generating at least one modification of the sequence of deterministic variations of random access data, in which the at least one modification is generated according to a modification sequence; and transmitting on the at least one interlace, beginning at a third time, the at least one modification of the sequence of deterministic variations of random access data.. ... Qualcomm Incorporated

Beam and symbol selection to transmit rach

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may identify a number of beam directions that satisfy a transmission power condition. ... Qualcomm Incorporated

Beam and symbol selection to transmit rach

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may identify a number of beam directions that satisfy a transmission power condition. ... Qualcomm Incorporated

Ordered physical random access channel resource management

Certain aspects of the present disclosure generally relate to wireless communications and more specifically to transmission resource management for ordered physical random access channel (prach) signals. An example method performed by a base station generally includes providing an indication of a set of transmission resources, within a narrowband region of a wider system bandwidth, for transmitting scheduled physical random access channel (prach) signals by a first user equipment (ue) and transmitting a command to the first ue to transmit a scheduled prach.. ... Qualcomm Incorporated

Multiple transmission time interval coexistence

Methods, systems, and devices for wireless communication are described. Different transmission time interval (tti) durations may be supported and configured to coexist with one another. ... Qualcomm Incorporated

Grouping user equipment based on precoding matrix indicators for combined transmission

The present disclosure enables a base station to group ues based on similar pmis for a combined transmission. The apparatus may receive a plurality of pmis from a plurality of ues. ... Qualcomm Incorporated

Buffer status reporting in a wireless local area network (wlan)

This disclosure provides systems, methods and apparatuses for allocating bandwidth resources to wireless network devices. In some implementations, an access point (ap) may allocate uplink resource units (rus) to a given device (sta) based on the amount of ul data the sta has queued for transmission to the ap and a priority level of the ul data. ... Qualcomm Incorporated

Multiple transmission time interval coordination with time division duplexing

Methods, systems, and devices for wireless communication are described. Data may be received during transmission time intervals (ttis) that have a short duration relative to other ttis. ... Qualcomm Incorporated

Uplink-based cell selection

Aspects of the present disclosure provide apparatus and techniques that may be applied in systems for improving reliability of cell selection to ensure that a ue is capable of transmitting on the uplink in addition to receiving on the downlink upon mobility an exemplary method, performed by a user equipment (ue), generally includes receiving reference signals from one or more transmission reception points (trps) in a wireless communications network, pre-selecting, based on the received reference signals, a first trp, of the one or more trps, from which to receive wireless service, transmitting an uplink (ul) signal to the first trp, receiving, from the first trp, feedback comprising information about the ul signal, and determining, based at least in part on the feedback, to select the first trp from which to receive the wireless service.. . ... Qualcomm Incorporated

Handling for interruption due to carrier switching and carrier switching capability indication

Aspects of the present disclosure provide procedures for handling interruption due to carrier switching for sounding reference signal transmission and for a carrier switching capability indication. A method by a user equipment (ue) is provided, generally including interrupting communication on a first component carrier (cc) to switch between the first cc and a second cc to transmit an uplink reference signal on the second cc and adjusting one or more parameters of an uplink transmission on the first component carrier to account for the interrupting communication on the second cc. ... Qualcomm Incorporated

Techniques for communicating feedback in low latency wireless communications

Various aspects described herein relate to communicating uplink control information (uci) in low-latency communications. A resource assignment is received from an access point to transmit over a first symbol and a second symbol that comprise a first tti, wherein the resource assignment includes, at least for the first symbol, an indication of one or more consecutive frequency resources in a system bandwidth based on a decimation factor. ... Qualcomm Incorporated

Coexistence of narrow-band internet-of-things/enhanced machine type communication and 5g

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication, and more particularly, to coexistence of different radio access technologies (rats). In certain aspects, the method generally includes receiving a deployment configuration for an in-band mode of operation within system bandwidth of a type of radio access technology (rat), and operating as if configured to operate within a guard-band of the system bandwidth or in a standalone mode while communicating in the in-band mode.. ... Qualcomm Incorporated

Synchronization techniques for multiple nodes in a wireless communications system

Synchronization techniques for wireless nodes in a shared radio frequency spectrum band may include performing a listen before talk (lbt) procedure (e.g., a clear channel assessment (cca) procedure) at identified resynchronization boundaries and initiating transmissions following successful lbt procedures. In the event that a node loses synchronization between resynchronization boundaries, such as due to an unsuccessful lbt procedure, the node becomes unsynchronized and may initiate an lbt procedure separate from the other nodes of the set of nodes. ... Qualcomm Incorporated

Managing specific absorption rate for user equipments

Aspects of the present disclosure provide apparatus and techniques for specific absorption rate (sar) control for user equipments (ues) (e.g., high-power ues). A method for wireless communications by a ue is provided. ... Qualcomm Incorporated

Peak-to-average power management in wireless local area network signaling

Methods, systems, and devices for wireless communication are described. A wireless device, such as a device in a wireless local area network, may use a radio frame structure that includes a high efficiency (he) signal field and an he data field for communications, for example, over shared radio frequency spectrum. ... Qualcomm Incorporated

Handover using dual active connections

A technique is disclosed to minimize service interruption at a wireless user equipment device during a handover by maintaining dual active connections during the handover. Upon initiating the handover, an initial/first connection with a first access node is maintained while establishing a second connection with a second access node. ... Qualcomm Incorporated

Cell switching for discontinuous transmission (dtx) in shared spectrum

Techniques for co-existence between wireless radio access technologies (rats) are disclosed. During an active period of a discontinuous transmission (dtx) communication pattern, a first signal may be transmitted during a first subframe and a second signal may be transmitted during a second subframe, while during an inactive period the first signal may be transmitted during the first subframe and the second signal may be omitted during the second subframe. ... Qualcomm Incorporated

Method and apparatus of uplink and downlink based handover

Aspects of the present disclosure provide apparatus and techniques that may be applied in systems that may help enable efficient communication between a base station (bs) and certain devices, such as wearable devices and/or machine type communication (mtc) user equipments (ues), having a single receiver (rx) for long term evolution (lte). An exemplary method, performed by a bs, generally includes receiving, from a ue, an indication of a category of the ue, wherein the category of the ue indicates at least one of: a maximum throughput supported by the ue or a number of layers supported by the ue; assuming a number of receivers at the ue based on the category of the ue; determining one or more transmit parameters based on the number of receivers of the ue; and communicating with the ue according to the one or more transmit parameters.. ... Qualcomm Incorporated

Methods to prioritize mobile originated emergency calls over existing mobile terminated call related signaling on other subscription

A method for prioritizing a mobile originated emergency call over mobile terminated call signaling, includes: initiating an emergency call on a first subscription; determining whether a mobile terminated (mt) call is incoming on a second subscription; in response to determining that the mt call is incoming on the second subscription, aborting the mt call signaling; determining whether the first subscription is out of service; and in response to determining that the first subscription is not out of service completing the emergency call on the first subscription.. . ... Qualcomm Incorporated

Method and/or system for positioning of a mobile device

Methods and systems are disclosed for providing location services for user equipment (ue) devices in a radio access network (ran) such as a fifth generation (5g) ran. Location services may be supported by separate positioning domains that may include a device to device domain, a ran domain and a core network (cn) domain. ... Qualcomm Incorporated

Merge candidates for motion vector prediction for video coding

A method of decoding video data includes constructing a motion vector candidate list of merge candidates for the current block of video data based on motion information from a number of neighboring blocks relative to the current block, wherein the number of neighboring blocks considered for the motion vector candidate list is based on the size of the current block, and wherein the number of neighboring blocks is greater than 5. In some examples, the method includes deriving a histogram of motion vector information for the neighboring blocks, and constructing the motion vector candidate list based on the derived histogram.. ... Qualcomm Incorporated

Loop sample processing for high dynamic range and wide color gamut video coding

A device for decoding video data receives the video data, determines a scaling parameter for a block of the video data; and scales the block in a video decoding loop using the scaling parameter to increase a dynamic range for luminance values of the block. A device for encoding video data partitions the video data into blocks; determines a scaling parameter for a block of the video data; and scales the block in a video encoding loop using the scaling parameter to decrease a dynamic range for luminance values of the block.. ... Qualcomm Incorporated

Affine motion prediction for video coding

An example method includes obtaining, for a current block of video data, values of motion vectors (mvs) of an affine motion model of a neighboring block of video data; deriving, from the values of the mvs of the affine motion model of the neighboring block, values of predictors for mvs of an affine motion model of the current block; decoding, from a video bitstream, a representation of differences between the values of the mvs of the affine motion model for the current block and the values of the predictors; determining the values of the mvs of the affine motion model for the current block from the values of the predictors and the decoded differences; determining, based on the determined values of the mvs of the affine motion model for the current block, a predictor block of video data; and reconstructing the current block based on the predictor block.. . ... Qualcomm Incorporated

Methods and systems for generating regional nesting messages for video pictures

Systems, methods, and computer readable media are described for generating a regional nesting message. In some examples, a video bitstream is obtained and an encoded video bitstream is generated using the video data. ... Qualcomm Incorporated

Neighbor based signaling of intra prediction modes

A device for coding video data is configured to determine that a current block of video data is coded using an intra prediction mode; add an intra prediction mode of a first neighboring block of the current block to a most probable mode candidate list for the current block; add an intra prediction mode for a second neighboring block of the current block to the most probable mode candidate list for the current block; add an intra prediction mode for a third neighboring block of the current block to the most probable mode candidate list for the current block; and code the current block of video data using an intra prediction mode.. . ... Qualcomm Incorporated

Confusion of multiple filters in adaptive loop filtering in video coding

An apparatus for encoding or decoding video data reconstructs one or more blocks of a current picture of the video data. The one or more blocks of the current picture comprise reconstructed samples of the current picture. ... Qualcomm Incorporated

Managing fragmentation configurations

Methods, systems, and devices are described for wireless communications. A recipient device may receive a session initiation request from an originator device. ... Qualcomm Incorporated

Managing fragmentation configurations

Methods, systems, and devices are described for wireless communications. A recipient device may receive a session initiation request from an originator device. ... Qualcomm Incorporated

Real-time control interface for broadcast object streaming

A device for encoding and sending media data includes a scheduler unit that schedules transmission of media data, a media encoder, and a transmitter that transmits according to a schedule formed by the scheduler unit. The scheduler unit sends a first set of data to the media encoder representing a number of media segments of the media data to be broadcast and a time at which the media data must be available for delivery at the transmitter of the media broadcast device. ... Qualcomm Incorporated

Modulation order split transmissions using a uniform constellation

A combined symbol constellation may be selected from a uniform symbol constellation that is supported by a de-mapper to provide additional power split options while reducing modifications to the de-mapper. In some examples, a signal may be constructed according to a combined symbol constellation selected from a larger uniform symbol constellation based on a desired power-ratio. ... Qualcomm Incorporated

Dynamic cyclic prefix (cp) length in wireless communication

An apparatus may determine a cyclic prefix (cp) length for a signal for a communication link based on a dynamic indication. The cp length may be determined from a plurality of cp lengths. ... Qualcomm Incorporated

Heterogeneous weighted overlap-add windowing and filtering for orthogonal frequency division multiplexing waveforms

Techniques for processing of symbols (e.g., orthogonal frequency division multiplexing (ofdm) or single carrier-frequency division multiple access (sc-fdma) symbols) provide enhanced out-of-band (oob) suppression of the symbols and also provide reduced inter-symbol interference (isi) between a symbol and a subsequent symbol. Multiple frequency tones of a symbol may be divided into two or more subsets of tones. ... Qualcomm Incorporated

Synchronization in wireless communications

Aspects of the present disclosure describe synchronizing frequency and/or timing in a wireless communication system. A synchronization channel frequency can be determined as one of a plurality of possible synchronization channel frequencies within a frequency band. ... Qualcomm Incorporated

Efficiently identifying system waveform in uplink transmission

Systems and methodologies are described that facilitate indicating a type of waveform utilized for uplink transmission in a wireless communication environment. An access terminal can select a type of waveform from a set of possible waveform types. ... Qualcomm Incorporated

Tail biting convolutional code (tbcc) enhancement with state propagation and list decoding

Certain aspects of the present disclosure relate to techniques and apparatus for enhanced decoding, for example, by providing a multi-phase tail biting convolutional code (tbcc) decoding algorithm. An exemplary method generally includes obtaining, via a wireless medium, a codeword encoded with a tbcc encoding scheme, generating metrics for candidate paths through trellis stages of a decoder, propagating information from at least one of the trellis stages to a later trellis stage, while generating the metrics, selecting a set of the candidate paths based on the propagated information, and decoding the encoded codeword by evaluating the selected set of candidate paths based, at least in part, on the generated metrics. ... Qualcomm Incorporated

Enhanced csi feedback for fd-mimo

Enhanced channel state information (csi) feedback is disclosed for full dimensional multiple input, multiple output (fd-mimo) operations. In one aspect, a single csi process is defined that is configured with an azimuth and elevation csi-reference signal (rs) ports. ... Qualcomm Incorporated

Enhanced puncturing and low-density parity-check (ldpc) code structure

Certain aspects of the present disclosure generally relate to techniques for enhanced puncturing and low-density parity-check (ldpc) code structure. A method for wireless communications by a transmitting device is provided. ... Qualcomm Incorporated

Methods and apparatus for efficiently generating multiple lifted low-density parity-check (ldpc) codes

Techniques and apparatus are provided for efficiently generating multiple lifted low-density parity-check (ldpc) codes for a range of block lengths and having good performance. A method for wireless communications by a transmitting device generally includes selecting integer lifting values for a first lifting size value z, selected from a range of lifting size values, wherein the selected integer lifting value is greater than a maximum lifting size value of the range of lifting size values; determining one or more integer lifting values for generating at least a second lifted ldpc code having a second lifting size value based on an operation involving the second lifting size value and the selected one or more integer lifting values for generating the first lifted ldpc code; encoding a set of information bits based on the second lifted ldpc to produce a code word; and transmitting the code word.. ... Qualcomm Incorporated

Tunable matching network

A tunable matching network is disclosed. In a particular example, the matching network includes at least one first inductor in a signal path of the matching network. ... Qualcomm Incorporated

Near field communication (nfc) coexistance

Certain aspects of the present disclosure are generally directed to apparatus and techniques for protecting electronic devices that may be prone to damage by wireless charging fields. For example, the apparatus may include a wireless charging circuit configured to selectively generate a wireless charging field and an impedance detection circuit coupled to the wireless charging circuit and configured to detect an impedance change corresponding to the wireless charging field. ... Qualcomm Incorporated

Anti-replay techniques using secure external non-volatile memory

Techniques for providing data protection in an integrated circuit are provided. A method according to these techniques includes exchanging messages with an off-chip, non-volatile memory to securely initialize an anti-replay counter (arc) value in the integrated circuit based on an arc value stored in the off-chip, non-volatile memory, and maintaining the arc value stored in the integrated circuit such that the arc value stored in the integrated circuit remains synchronized with the arc value stored in the off-chip, non-volatile memory.. ... Qualcomm Incorporated

Techniques for determining an anti-replay counter for preventing replay attacks

Techniques for maintaining an anti-replay counter (arc) for providing data protection in an integrated circuit are provided. A method according to these techniques includes determining a static baseline value based on an arc value stored in a programmable read-only memory of the integrated circuit, determining the arc value based on the static baseline value and a transient component, and storing the arc value in a volatile memory of the integrated circuit.. ... Qualcomm Incorporated

Electronic device based security management

Methods, apparatus, and computer program products for providing security for an electronic device are described. An example of a method includes monitoring, by the electronic device, a status of the electronic device for one or more threats to a security of the electronic device, detecting, by the electronic device, the one or more threats to the security of the electronic device based on the status of the electronic device and on one or more security policies associated with the electronic device, and self-enforcing, by the electronic device, the one or more security policies by implementing one or more targeted security actions, as indicated by the one or more security policies, to selectively alter the status of the electronic device, based on the detected one or more threats to the security of the electronic device.. ... Qualcomm Incorporated

Digital signaling schemes for line multiplexed uart flow control

Systems, methods, and apparatus for line multiplexed serial interfaces are disclosed. A method performed by a transmitting device includes asserting a stop condition on a wire of a serial data link by driving the wire to a first voltage level for a first period of time that is less than a duration of the stop condition, monitoring the wire after the first period of time, determining that flow-control has been asserted when the wire remains at a second voltage level for a second period of time that exceeds a minimum period of time defined for flow-control pulses and after the first period of time has elapsed, refraining from transmitting data on the wire while flow-control is asserted, and transmitting data on the wire when flow-control is de-asserted.. ... Qualcomm Incorporated

Two-wire line-multiplexed uart to four-wire high-speed uart bridging with integrated flow control

Systems, methods, and apparatus for bridging between different types of serial interface are disclosed. A method performed by a bridge circuit includes synchronizing transmissions on a 4-wire serial interface with transmissions on a 2-wire serial interface when a stop bit is detected on data lines of at least one interface, receiving a first clear-to-send notification from a first wire of the 2-wire serial interface, asserting a request-to-send signal on a first flow-control line of the 4-wire serial interface, receiving data bits from a first data line of the 4-wire serial interface while the request-to-send signal is asserted, and transmitting the data bits on the first wire of the 2-wire serial interface after receiving the first clear-to-send notification.. ... Qualcomm Incorporated

Fuse-based anti-replay mechanism

Techniques for providing data protection in an integrated circuit are provided. A method according to these techniques includes maintaining an anti-replay counter value in a volatile memory of the integrated circuit, the anti-replay counter value being associated with data stored in an off-chip, non-volatile memory in which the integrated circuit is configured to store the data, monitoring an external power source, and writing the anti-replay counter value to a programmable read-only memory of the integrated circuit responsive to a loss of power to the integrated circuit from the external power source.. ... Qualcomm Incorporated

Supply voltage droop management circuits for reducing or avoiding supply voltage droops

Supply voltage droop management circuits for reducing or avoiding supply voltage droops are disclosed. A supply voltage droop management circuit includes interrupt circuit configured to receive event signals generated by a functional circuit. ... Qualcomm Incorporated

Power saving systems and methods for universal serial bus (usb) systems

Power saving systems and methods for universal serial bus (usb) systems are disclosed. When a usb physical layer (phy) enters a u3 low power state, not only are normal elements powered down, but also circuitry within the usb phy associated with detection of a low frequency periodic signal (lfps) wake up signal is powered down. ... Qualcomm Incorporated

Enhanced dynamic memory management with intelligent current/power consumption minimization

A low-power state current/power consumption for each volatile memory device in a plurality of volatile memory devices is obtained. Data is copied from a first set of the volatile memory devices to a second set of the volatile memory devices, where the second set of volatile memory devices has a lower current/power consumption than the first set of volatile memory devices. ... Qualcomm Incorporated

Apparatus-assisted sensor data collection

The disclosure provides various methods and apparatus useful for mapping wireless nodes using a drone and aligning the body of the drone with an antenna of the wireless node. A method includes mapping, by an apparatus, a space including one or more locations of one or more wireless nodes, determining whether the apparatus is in proximity to a first wireless node of the one or more wireless nodes, determining an orientation of an antenna of the first wireless node, and in response to determining that the apparatus is in proximity to the first wireless node and determining the orientation of the antenna of the first wireless node, adjusting a six-degree-of-freedom (6dof) orientation of the apparatus based on the determined orientation of the antenna of the first wireless node. ... Qualcomm Incorporated

Systems, methods, and apparatus for detection of metal objects in a predetermined space

This disclosure provides systems, methods and apparatus for detecting foreign objects. In one aspect an apparatus for detecting a presence of an object is provided. ... Qualcomm Incorporated

Vented carrier tape

A carrier tape may include a tape, a plurality of pockets, and a plurality of vents in each of the plurality of pockets. The plurality of vents may provide a vapor egress path for vapor that may occur during a dry bake process of the carrier tape.. ... Qualcomm Incorporated

Methods and apparatus for reducing flux cancellation in ferrite of double couple inductive power transfer systems

According to some implementations, an apparatus for transmitting charging power wirelessly to a load is provided. The apparatus comprises at least one ferrite structure comprising a first ferrite portion, a second ferrite portion comprising at least a first ferrite leg, a second ferrite leg, and a third ferrite leg, each physically separated from the first ferrite portion by a first distance, and a third ferrite portion positioned between the second ferrite leg and the first ferrite portion and physically contacting the second ferrite leg. ... Qualcomm Incorporated

Methods and apparatus for wirelessly transferring power

Aspects of this disclosure include an apparatus configured to and methods for the transfer of wireless power. The apparatus comprises a first coil enclosing a first area. ... Qualcomm Incorporated

Backoff techniques for transitioning between single-user and multi-user modes

Methods and apparatus for determining backoff values when transitioning between single-user (su) and multi-user (mu) modes are provided. A station (sta) transitions from a single-user (su) mode, in which a first set of parameters is used to attempt to access a medium, to a multi-user (mu) mode, in which a second set of parameters is used to attempt to access the medium. ... Qualcomm Incorporated

Numerology dependent signal transmission

Methods, systems, and devices for wireless communication are described. The methods, systems, and devices provide for identifying tone spacing for transmission or reception of signals. ... Qualcomm Incorporated

Default spatial reuse modes

Certain aspects of the present disclosure relate to specifying possible default spatial reuse (sr) modes and signaling of the default spatial reuse modes. Certain aspects of the present disclosure provide a method for wireless communications. ... Qualcomm Incorporated

Radio access technology (rat) aggregation on a shared communication medium

Techniques for managing radio access technology (rat) aggregation on a shared communication medium are disclosed. Control signaling may be sent, over a shared communication medium to an access terminal, in accordance with a first rat. ... Qualcomm Incorporated

Scalable numerology with symbol boundary alignment for uniform and non-uniform symbol duration in wireless communication

Aspects of the present disclosure provide various wireless communication numerology designs that can maintain symbol boundary alignment while multiplexing different numerologies in wireless communication. The symbols may be scaled for different tone or subcarrier spacings while maintaining the symbol boundary alignment between different numerologies. ... Qualcomm Incorporated

Techniques for using a portion of a transmission time interval to transmit a transmission that is shorter than a duration of the transmission time interval

Techniques are described for wireless communication. One method includes determining a portion of a transmission time interval (tti) is available for a transmission that is shorter than a duration of the tti; selecting a transmission format for transmitting the transmission to a receiving device during the portion of the tti; and indicating a timing of the transmission to the receiving device. ... Qualcomm Incorporated

Techniques for transmitting and receiving delayed feedback for a transmission

Techniques are described for wireless communication. One method includes receiving a first transmission according to a first radio access technology (rat); determining a transmitter of the wireless communication device is tuned to a second rat during a default feedback transmission time for the first transmission; and transmitting feedback for the first transmission at a delayed feedback transmission time for the first transmission. ... Qualcomm Incorporated

Techniques for transmitting data over an unlicensed radio frequency spectrum band in accordance with an agreement between operators

Techniques are described for wireless communication. A first method includes performing a clear channel assessment (cca) for a first node associated with a first operator in a deployment of operators over an unlicensed radio frequency spectrum band, and transmitting data over the unlicensed radio frequency spectrum band when the cca is successful. ... Qualcomm Incorporated

Frequency band and channel selection for a neighbor awareness network (nan) data link (ndl)

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for wireless communication over a neighbor awareness networking (nan) data link (ndl). In some aspects, an apparatus may be configured to determine frequency band information for communicating over a ndl associated with a nan service. ... Qualcomm Incorporated

Location guided vehicular channel management

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to determine device information associated with the apparatus. ... Qualcomm Incorporated

Uplink allocation echoing

Interference coordination using over the air data is enabled. A ue receives downlink control information including uplink resource allocation. ... Qualcomm Incorporated

Trigger frame in wireless local area network

The present disclosure provides various aspects related to techniques for generating trigger frames, at an access point (ap), that reduce the overhead associated with triggering an uplink transmission from the wireless station (sta). Features of the present disclosure achieve this by, for example, utilizing a single per-user information field of the trigger to signal a plurality of random access resource units that may be allocated to the one or more stas in the network. ... Qualcomm Incorporated

Uplink procedures for lte/lte-a communication systems with unlicensed spectrum

Long term evolution (lte)/lte-advanced (lte-a) deployments with unlicensed spectrum leverage more efficient lte communication aspects over unlicensed spectrum, such as over wifi radio access technology. In order to accommodate such communications, various uplink procedures may be modified in order to handle communications between licensed and unlicensed spectrum with lte/lte-a deployments with unlicensed spectrum.. ... Qualcomm Incorporated

Wlan/bt/802.15.4 coexistence interface

A coexistence interface for arbitrating wireless communications among a plurality of wireless radios of a wireless device. The coexistence interface includes a first set of inputs to receive first signals indicating transmit or receive activity of a first wireless radio of the wireless device. ... Qualcomm Incorporated

Trigger frame in wireless local area network

The present disclosure provides various aspects related to techniques for generating trigger frames, at an ap, that reduce the overhead associated with triggering an uplink transmission from the sta. In some examples, the sta may also calculate its transmit power by decoding a spatial reuse subfield of the trigger frame from the ap and identifying downlink pathloss measurements of the trigger frame. ... Qualcomm Incorporated

Power fallback wireless local area network receiver

Power conservation in a radio frequency front end of a user equipment (ue) during wireless local area network (wlan) communication is achieved by adjusting a power mode of the radio frequency front end. In one instance, the ue determines a signal strength of a received frame of a packet during a short training field of a preamble of the received frame. ... Qualcomm Incorporated

Wi-fi scan operation on a dynamic frequency selection master dual band simultaneous device

Methods, systems, and devices for wireless communication are described. An access point (ap) transmits instructions to quiet a dynamic frequency selection (dfs) home channel for a period of time. ... Qualcomm Incorporated

Scalable system information block (sib) bitmap structure

Aspects of the present disclosure provide a scalable sib bitmap structure. As described herein, a ue may generate and transmit, to an access network, a dual-layer system information block (sib) request, wherein a first layer indicates a sib category and a second layer indicates one or more groups within the sib category. ... Qualcomm Incorporated

Reselection failure detection and prevention in multi-sim wireless communication devices

Examples described herein relate to managing reselection for a wireless communication device having a first subscription associated with a first radio access technology (rat) and a second subscription associated with a second rat, including determining an occurrence of a barring procedure that bars a target cell or a target frequency for the first subscription for a barring duration and deprioritizing the target cell or the target frequency for the barring duration on the second subscription. . ... Qualcomm Incorporated

Systems and methods for reordering data received from a plurality of radio access technologies (rats)

A method for reordering data by an electronic device is described, including receiving a first set of data packets via a first radio access technology (rat). The method also includes receiving a second set of data packets via a second rat. ... Qualcomm Incorporated

Resource allocation for traffic-profile-dependent scheduling request

Certain aspects of the present disclosure relate to methods and apparatus for allocating resources for the transmission of scheduling requests based on ue traffic profiles. In one embodiment, a base station determines, for one or more user equipments (ues), a type of traffic to be exchanged between the one or more ues and the base station. ... Qualcomm Incorporated

Method and apparatus for real-time self-monitoring of multi-carrier transmission quality

Embodiments described herein provide a method and apparatus for monitoring and correcting a transmit signal. A first sample is taken before the signal is input to a digital to analog converter (dac) in a transmit chain. ... Qualcomm Incorporated

Secure signaling before performing an authentication and key agreement

Techniques are described for wireless communication. A method of wireless communication at a wireless communication device includes generating a secured query message based at least in part on a security credential of the wireless communication device, where the secured query message is generated prior to performing an authentication and key agreement (aka) with a network; transmitting the secured query message to the network; receiving a response to the secured query message; and determining whether to perform the aka with the network based at least in part on the received response.. ... Qualcomm Incorporated

Securing sensor status by leveraging always-on processor and host-based trusted execution

Techniques for securing transactions on a mobile device are provided. An example method according to these techniques includes receiving an input of a code to authorize a transaction in a security sensitive application, authenticating the transaction responsive to the input of the code, monitoring sensor information indicative of a context change, and authorizing subsequent transactions responsive to the sensor information indicating that the context change has not occurred since receiving the input of the code.. ... Qualcomm Incorporated

Personal medical device interference mitigation

A system may include a sensor system and a control system configured for communication with the sensor system. The sensor system may include an ultrasonic sensor system. ... Qualcomm Incorporated

Method and apparatus for unified error concealment framework

A method and apparatus of processing multimedia data comprising a first section received in error are disclosed. The method comprises obtaining error distribution information corresponding to the first section. ... Qualcomm Incorporated

Signalling of filtering information

A video decoder is configured to, for a group of video blocks of the video data, determine a number of merged groups for a plurality of classes is equal to one merged group; receive a first flag indicating that filter coefficient information for at least one merged group is not coded in the video data; receive for the one merged group, a second flag, wherein a first value for the second flag indicates that filter coefficient information mapped to the one merged group is coded in the video data, and wherein a second value for the second flag indicates that the filter coefficient information mapped to the one merged group is all zero values; determine the second flag is equal to the second value; and determine one or more filters from the set of filters using the all zero values.. . ... Qualcomm Incorporated

Hybrid graphics and pixel domain architecture for 360 degree video

In a method and apparatus for processing video data, one or more processors are configured to encode a portion of stored video data in a pixel domain to generate pixel domain video data, a first graphics processing unit is configured to process the video data in a graphics domain to generate graphics domain video data, and an interface transmits the graphics domain video data and the pixel domain video data. One or more processors are configured to parse the video data into a graphics stream and an audio-video stream and decode the video data, a sensor senses movement adaptations of a user, and a second graphics processing unit is configured to generate a canvas on a spherical surface with texture information received from the graphics stream, and render a field of view based on the sensed movement adaptations of the user.. ... Qualcomm Incorporated

Method for transfer of information related to targeted content messages through a proxy server

Information transfer methods for exchange of information with a wireless access terminal (w-at) includes receiving a first message from the w-at, the first message including first information provided by the w-at and an address of the w-at capable of identifying the w-at, converting the first message to an anonymized message by replacing the w-at address with a transaction identifier (id), transmitting the anonymized message to a remote server, receiving a first response from the remote server, the first response having response information and the anonymized address information, converting the first response to a second response by replacing the transaction id with the w-at address, and transmitting the second response to the w-at.. . ... Qualcomm Incorporated

In-flow packet prioritization and data-dependent flexible qos policy

A method, operational at a device, includes receiving at least one packet belonging to a first set of packets of a packet flow marked with an identification value, determining that the at least one packet is marked with the identification value, determining to change a quality of service (qos) treatment of packets belonging to the first set of packets marked with the identification value that are yet to be received, and sending a request to change the qos treatment of packets belonging to the first set of packets marked with the identification value that are yet to be received to trigger a different qos treatment of packets within the packet flow, responsive to determining to change the qos treatment. Other aspects, embodiments, and features are also claimed and described.. ... Qualcomm Incorporated

Binarizing secondary transform index

An example device for decoding video data includes a memory configured to store video data and one or more processors implemented in circuitry and configured to determine a maximum possible value for a secondary transform syntax element for a block of video data, entropy decode a value for the secondary transform syntax element of the block to form a binarized value representative of the secondary transform for the block, reverse binarize the value for the secondary transform syntax element using a common binarization scheme regardless of the maximum possible value to determine the secondary transform for the block, and inverse-transform transform coefficients of the block using the determined secondary transform.. . ... Qualcomm Incorporated

Sounding reference signals with collisions in asymmetric carrier aggregation

An apparatus may use inactive uplink portions of a downlink cc to transmit srs to an enb. At times there may be a collision between the srs transmission and uplink transmissions or downlink transmissions on another cc. ... Qualcomm Incorporated

Systems and methods for information recovery from redundancy version packets

Systems, methods, apparatuses, and media are provided for recovery of information from redundancy version packets in systematic encoding environments when a redundancy version packet containing primarily systematic information may be corrupted. A plurality of redundancy version packets may be received at a user equipment device from a transmission device. ... Qualcomm Incorporated

Techniques for determining a number of receive chains to enable for a channel

Techniques are described for wireless communication at a wireless communication device. A determination may be made regarding the number of receive chains, of a plurality of receive chains, to enable for a channel. ... Qualcomm Incorporated

Reference signals and link adaptation for massive mimo

Aspects of the present disclosure relate to wireless communications and, more particularly, to reference signals (rs) and link adaptation for massive multiple-input multiple-output (mimo). In one aspect, a method is provided which may be performed by a wireless device such as a base station (bs). ... Qualcomm Incorporated

Interface substrate and method of making the same

A package may include a substrate and a semiconductor die with the substrate having a smaller width than the semiconductor die and encapsulated in a mold compound. In one example, the package may be a wafer level package that allows an external connection on the backside of the package to enable manufacturing in a panel or wafer form.. ... Qualcomm Incorporated

Biometric system with photoacoustic imaging

An apparatus may include an ultrasonic sensor array, a light source system and a control system. Some implementations may include an ultrasonic transmitter. ... Qualcomm Incorporated

Biometric system with photoacoustic imaging

A biometric system may include an ultrasonic sensor array, a light source system and a control system. Some implementations may include an ultrasonic transmitter. ... Qualcomm Incorporated

Bidirectional ultrasonic sensor system for biometric devices

An apparatus may include an ultrasonic receiver array, an ultrasonic transmitter and a control system capable of controlling the ultrasonic transmitter to transmit first ultrasonic waves in a first direction and to simultaneously transmit second ultrasonic waves in a second direction that is opposite the first direction. The control system may be capable of distinguishing first reflected waves from second reflected waves, the first reflected waves corresponding to reflections of the first ultrasonic waves that are received by the ultrasonic receiver array and the second reflected waves corresponding to reflections of the second ultrasonic waves that are received by the ultrasonic receiver array. ... Qualcomm Incorporated

Hypervector-based branch prediction

Systems and methods are directed to hypervector-based branch prediction. For a branch instruction whose direction is to be predicted, a taken distance between a current hypervector and a taken hypervector and a not-taken distance between the current hypervector and a not-taken hypervector is determined, wherein the current hypervector comprises an encoding of context of the branch instruction, the taken hypervector comprises an encoding of context of taken branch instructions and the not-taken hypervector comprises an encoding of context of not-taken branch instructions. ... Qualcomm Incorporated

Reorder active pages to improve swap performance

A method and device for using volatile and non-volatile computer memory are provided. The method may comprise locating page table entries associated with a plurality of pages associated with a process in a first data structure in the volatile memory, the process having a low likelihood of execution in comparison to other processes. ... Qualcomm Incorporated

Through display ultrasonic touch-screen monitor

A touch-screen monitor is described. The monitor includes an ultrasonic sensor for detecting motion of an object that is placed in contact with the monitor.. ... Qualcomm Incorporated

Multi-standard, automatic impedance controlled driver with supply regulation

A pre-driver circuit generates a driver bias signal based on a swing command, a driver impedance characteristic, and an input signal. A driver receives the driver bias signal and generates, in response, a driver signal having a swing and having an output impedance corresponding to the bias signal. ... Qualcomm Incorporated

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

Devices, methods, and apparatuses for mobile device acquisition assistance

Methods, apparatuses and/or articles of manufacture, which may be employed in a mobile device and/or in a location server, enable acquisition assistance at the mobile device. In at least one implementation, which is not intended to limit claimed subject matter, acquisition assistance may include expected doppler frequency shift and expected code phase in the case of a particular global navigation satellite system (gnss) satellite vehicle, as well as a search window for each of these, and a confidence value. ... Qualcomm Incorporated

Device and method for rf exposure assessment at millimeter wave frequencies

A device and method for determining power density measurements of electromagnetic (em) transmissions from an antenna of a wireless electronic device are disclosed. The method can include determining one or more worst case configurations within an exposure plane based on a power density distribution of the antenna in free space. ... Qualcomm Incorporated

Method and apparatus for increasing a lifespan of nanopore-based dna sensing devices

Techniques for increasing the lifespan of a nanopore dna sensing device are disclosed. A related method may include forming a first electrode, forming a second electrode, disposing the first electrode and second electrode within an insulator, and disposing a lipid bilayer having a nanopore between the first electrode and second electrode. ... Qualcomm Incorporated

Collision deadlock resolution

A user equipment (ue) may, in a first discovery frame, determine whether a discovery resource is available for communication. If the discovery resource is available for communication, the ue may, in a second discovery frame following the first discovery frame, transmit a discovery signal using the discovery resource and puncture the discovery signal during a listening window. ... Qualcomm Incorporated

Frame structure signaling for multefire

Methods, systems, and devices for wireless communication are described. A downlink control message type used for triggering uplink transmissions may convey additional information, including timing for uplink transmissions. ... Qualcomm Incorporated

Uplink payload determination and uplink grant indication for multefire

Methods, systems, and devices for wireless communication are described. The payload size for uplink transmissions of unscheduled control information may vary and, in some cases, may be dynamically determined. ... Qualcomm Incorporated

Neighbor awareness networking schedule negotiation

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, the apparatus may be configured to determine a many-to-many multicast schedule for an ndl of a service associated with a nan network and to communicate with a plurality of wireless devices subscribed to the service based on the determined many-to-many multicast schedule. ... Qualcomm Incorporated

Reconciling different spatial reuse modes

In certain aspects, an apparatus for wireless communication is provided. The apparatus comprises an interface configured to receive a packet transmitted by another apparatus using a resource, and a processing system configured to determine whether to reuse the resource for a transmission by the apparatus based on one or more reuse constraints. ... Qualcomm Incorporated

Discovery reference signal transmission and decoding and measurement techniques in a wireless communication system

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may monitor for discovery reference signal (drs) transmissions, physical downlink shared channel (pdsch) transmissions, or combinations thereof within a drs transmission window. ... Qualcomm Incorporated

Different numerology for signal transmission

Methods, systems, and devices for wireless communication are described. Methods, systems, and devices provide for different tone spacing schemes for different channels. ... Qualcomm Incorporated

Epdcch resource and quasi-co-location management in lte

A method, an apparatus, and a computer program product for wireless communication are provided. In an aspect, the apparatus may configure at least a first resource set and a second resource set for a control channel. ... Qualcomm Incorporated

Cooperative group broadcasting of on-demand system information

Aspects described herein include receiving, at a base station operating in a wireless communication network, at least one chirp signal including at least one system information block request bitmap that identifies one or more of a plurality of system information blocks corresponding to each of one or more system information requests, identifying the one or more system information requests, generating a message in response to the one or more system information requests, encoding at least the portion of the message based at least in part the at least one system information block request bitmap to define an encoded message; and transmitting, over a broadcast channel, the encoded message in response to the chirp signal. A user equipment may include aspects for transmitting the chirp signal and receiving the encoded message.. ... Qualcomm Incorporated

Search, measurements, and positioning with aid of motion detection information

Certain aspects of the present disclosure generally relate to enhanced procedures for search, measurement, and positioning with aid of motion detection information. According to certain aspects, a method is provided for wireless communications which may be performed, for example, by a user equipment (ue). ... Qualcomm Incorporated

Triggered target wake time operation

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In an aspect, an apparatus may be configured to determine whether to switch to an active mode, a power save mode, or a twt power save mode. ... Qualcomm Incorporated

Chirp signal formats and techniques

A ue may be operating in a wireless communication network having a ue-centric medium access control layer, and the ue may detect presence of a trigger event to signal a base station of the wireless communication network. The ue may identify one of a plurality of functionalities corresponding to the trigger event, and may generate a chirp signal that includes chirp purpose indicator and a chirp message, wherein the chirp purpose indicator and a format of the chirp message correspond to the identified one of the plurality of functionalities. ... Qualcomm Incorporated

Enhanced machine-type communications cell acquisition using narrow band synchronization channel

Methods, systems, and devices for wireless communication are described for utilizing narrow band (nb) synchronization channel(s) for enhanced machine-type communications (emtc) cell acquisition. The methods, systems, and devices may perform a first portion of cell acquisition using an nb acquisition signal. ... Qualcomm Incorporated

Techniques for call fusion with multiple networks

Methods, systems, and devices for wireless communication are described. Mobile devices, such as a user equipment (ue), may be able to communicate over a number of different networks, such as a wwan and a wlan. ... Qualcomm Incorporated

Resource access priority for synchronous transmissions

A user equipment (ue) may determine that a synchronous transmission by the ue includes traffic having a priority higher than a priority of nominal traffic. In response to the determination, the ue may, alter a use of at least some of an initial portion of a discovery frame from energy detection to signal transmission. ... Qualcomm Incorporated

Techniques for transmission control protocol aware handover type determination

Methods, systems, and devices for wireless communication are described. A serving base station may determine a handover loss metric associated with a ue that is a candidate for handover. ... Qualcomm Incorporated

High doppler channel performance enhancement

A base station may determine a doppler metric associated with a wireless channel and a user equipment (ue). The doppler metric may be determined from received information related to doppler effects measured by the ue or from directly measured doppler effects associated with uplink data received from the ue. ... Qualcomm Incorporated

Ultra low-power paging frames for wake-up and discovery

Certain aspects of the present disclosure generally relate to wireless communications and, more particularly, to ultra low-power paging frames for wake up and discovery. One example apparatus for wireless communications generally includes at least one interface configured to receive via a first radio and a second radio, wherein the at least one interface receives a paging frame from another apparatus via the second radio while the first radio is in a first power state that is lower than a second power state of the second radio; and a processing system configured to take one or more actions based on a command field included in the paging frame.. ... Qualcomm Incorporated

Discovery signals and network synchronization signals design in lte

Base stations (such as small cells) may support active and dormant states. To facilitate state transitions, these cells may transmit discovery signals. ... Qualcomm Incorporated

Methods and systems of generating a background picture for video coding

Techniques and systems are provided for generating a background picture. The background picture can be used for coding one or more pictures. ... Qualcomm Incorporated

System and method for protecting content in a wireless network

A method of providing access to content within a user device is disclosed and may include determining a location of the content, determining whether the content is within an allowed region, and selectively prompting a user to purchase a license to access the content. In a particular aspect, the user may be prompted to purchase the license to the access the content when the content is not within an allowed region. ... Qualcomm Incorporated

Radio-aware transmission control protocol rate control

Techniques are described for wireless communication. One method includes monitoring a dynamic connection parameter associated with a transmission control protocol (tcp) connection between a mobile device and an end device; identifying a tcp (acknowledgement) ack message comprising a current receive window size; determining an updated receive window size based at least in part on the monitored dynamic connection parameter and the current receive window size; and transmitting, to the end device, the tcp ack message comprising the updated receive window size.. ... Qualcomm Incorporated

Methods and systems for enhanced round trip time (rtt) exchange

Disclosed are systems, methods and devices for obtaining round trip time measurements for use in location based services. In particular implementations, a fine timing measurement request message wirelessly transmitted by a first transceiver device to a second transceiver device may permit additional processing features in computing or applying a signal round trip time measurement. ... Qualcomm Incorporated

Fast frequency hopping phase locked loop

A fast frequency hopping implementation in a phase lock loop (pll) circuit achieves a pll lock to a new frequency in a very short period of time. In one instant, frequency allocation at a transceiver is changed. ... Qualcomm Incorporated

Block acknowledgment generation and selection rules

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In an aspect, the apparatus is configured to receive at least one frame from at least one wireless device and to generate a ba frame that may include a block ack bitmap based on the received at least one frame. ... Qualcomm Incorporated

Elevation pmi reporting on pucch

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

Flexible transmissions on one or more frequency division duplexing resources

Methods, systems, and apparatuses are described for flexible transmissions on one or more frequency division duplexing resources. In some aspects, a subset of resources originally allocated for transmissions in a frequency division duplex (fdd) mode of operation associated with a first base station is identified for reallocation, and the identified subset of resources is reallocated to transmissions in a time division duplex (tdd) mode of operation, for example, associated with a second base station.. ... Qualcomm Incorporated

Techniques for acknowledgment of transmissions in a wireless communication system

A base station may provide both an uplink grant and a downlink grant in a same transmission time interval (tti), and may provide an indication in the uplink grant that the tti includes the downlink grant. A user equipment (ue) that receives the uplink grant may provide feedback using identified feedback resources in an uplink shared channel, and other uplink transmissions may be rate matched around the feedback resources in the uplink shared channel. ... Qualcomm Incorporated

Clock spine with tap points

Apparatuses and methods to relay a clock signal to clock loads are presented. An apparatus includes a clock spine to conduct a clocking signal. ... Qualcomm Incorporated

Forming a self-aligned single diffusion break (sdb) isolation structure in a gate region of a diode for reduced capacitance, resistance, and/or area

Aspects for forming a self-aligned single diffusion break (sdb) isolation structure in a gate region of a diode for reduced capacitance, resistance, and/or area are disclosed. In one aspect, a diode is provided that includes a semiconductor substrate having a well region. ... Qualcomm Incorporated

Continuous write and read operations for memories with latencies

A method and apparatus for continuous write and read operations during memory testing. The method comprises: controlling a signal generator; triggering a write address and a data field operation each memory cycle; triggering a write signal to write to a memory each memory clock cycle; and reading a read address and a read data operation to the memory. ... Qualcomm Incorporated

N-phase polarity data transfer

System, methods and apparatus are described that facilitate transmission of data, particularly between two devices within an electronic apparatus. Data is selectively transmitted as n-phase polarity encoded symbols or as packets on differentially driven connectors. ... Qualcomm Incorporated

Accelerated light field display

This disclosure describes methods, techniques, devices, and apparatuses for graphics and display processing for light field projection displays. In some examples, this disclosure describes a projection display system capable of rendering and displaying multiple annotations at the same time. ... Qualcomm Incorporated

Method and device for capturing image of traffic sign

A method for capturing an image of a traffic sign by an image sensor is disclosed. The method may include capturing, by the image sensor, at least one image including the traffic sign, wherein the image sensor is mounted in a vehicle. ... Qualcomm Incorporated

System, device and method for anti-rollback protection of over-the-air updated device images

Technologies for updating a processing device, where a first device image is stored in a first (non-volatile) memory. When a new second device image is received via a communication interface, a first boot of the device is performed and a boot loader performs security processing on the second device image. ... Qualcomm Incorporated

Methods and systems for intelligently detecting malware and attacks on client computing devices and corporate networks

A network and its devices may be protected from non-benign behavior, malware, and cyber attacks caused by downloading software by configuring a server computing device to work in conjunction with the devices in the network. The server computing device may be configured to receive a software application from an application download service, establish a secure communication link to a client computing device in the network, receive exercise information from the client computing device via the secure communication link, use the received exercise information to exercise the received software application in a client computing device emulator to identify one or more behaviors, and determine whether the identified behaviors are benign. ... Qualcomm Incorporated

Probabilistic thermal hotspot accommodation

Implementations for probabilistic thermal hotspot accommodation are disclosed herein. In an example aspect, a cell library includes cells having respective leakage current characteristics that include a leakage current variability as well as a leakage current average. ... Qualcomm Incorporated

Audio user interaction recognition and application interface

Disclosed is an application interface that takes into account the user's gaze direction relative to who is speaking in an interactive multi-participant environment where audio-based contextual information and/or visual-based semantic information is being presented. Among these various implementations, two different types of microphone array devices (mads) may be used. ... Qualcomm Incorporated

Support of downlink positioning using coherent and non-coherent signal acquisition

Techniques are discussed for conveying frequency error characteristics for a plurality of cell transceivers from a server to a mobile device to enable the mobile device to determine an optimum or near optimum period of coherent integration of a downlink signal from one or more of the plurality of cell transceivers based on the frequency error characteristics. The coherent integration of the downlink signal may be to support a downlink terrestrial positioning method such as the observed time difference of arrival (otdoa) method for long term evolution (lte) and the downlink signal may be a positioning reference signal (prs). ... Qualcomm Incorporated

Systems and methods for identifying an ideal operation frequency for wireless power transfer

The present disclosure described herein relates to wireless power transfer systems and methods that efficiently and safely transfer power to electronic devices. In an aspect of the disclosure, a method for wirelessly transmitting power is provided. ... Qualcomm Incorporated

Multi-phase heat dissipating device for an electronic device

A device that includes a region comprising an integrated device, and a heat dissipating device coupled to the region comprising the integrated device. The heat dissipating device is configured to dissipate heat away from the region. ... Qualcomm Incorporated

Relaying based on service-type indicator and network availability

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may act as a relay device and receive a message from a source device. ... Qualcomm Incorporated

High-speed random access channel resource sets

Methods, systems, and devices for wireless communication are described. A base station may differentiate, determine, configure, employ and/or allocate a first physical random access channel (prach) resource set and a second prach resource set, the first prach resource set to be used by user equipments (ues) experiencing a higher doppler condition than ues using the second prach resource set. ... Qualcomm Incorporated

Feedback mechanism to activate and/or deactivate a semi-persistent scheduling grant

The present disclosure may provide a feedback mechanism in which a feedback pdu may be transmitted by a ue with one or more modified transmission characteristics for both an activation and deactivation of the sps grant. The feedback pdu transmitted with modified transmission characteristics may increase the reliability of the communication system and reduce the latency of the communication system, while also activating and/or deactivating sps grants. ... Qualcomm Incorporated

Traffic multiplexing

The disclosure relates in some aspects to multiplexing different types of traffic. Techniques are disclosed to facilitate puncturing one type of traffic with another type of traffic (e.g., traffic having more stringent latency and/or reliability requirements). ... Qualcomm Incorporated

Fifth generation (5g) time division duplex (tdd) legacy coexistence design

Aspects of the disclosure relate to a configurable subframe structure for use in next generation (e.g., fifth generation or 5g) wireless networks utilizing a time division duplex (tdd) carrier that minimizes interference with adjacent legacy wireless networks. The configurable subframe structure may be configured to produce next generation subframes, each including at least one of a downlink portion or an uplink portion, to substantially align downlink portions with corresponding legacy downlink subframes and/or uplink portions with corresponding legacy uplink subframes.. ... Qualcomm Incorporated

Bandwidth expansion in channel coexistence

Aspects of the present disclosure relate to methods and apparatus for bandwidth expansion in channel co-existence situations. An example method generally includes determining information regarding loading of at least one of downlink (dl) or uplink (ul traffic at a first base station that can share at least some bandwidth with at least one neighbor base station, and modifying bandwidth of one or more channels used by the first base station based, at least in part, on the loading information.. ... Qualcomm Incorporated

Forwarding signaling messages from two or more communication networks associated with different radio access technologies to a user equipment

A ue registers with a paging hub to a message forwarding service that is configured to forward information from messages wirelessly transmitted by two or more rans associated with different rat-types to the ue over a local wireless network that is separate from the two or more rans. The ue refrains from monitoring a set of downlink wireless channels used by the two or more rans while the paging hub monitors the set of downlink wireless channels on behalf of the ue. ... Qualcomm Incorporated

Synchronization for standalone lte broadcast

Aspects of the present disclosure relate to wireless communications and, more particularly, to synchronization for standalone long term evolution (lte) broadcast. In one aspect, a method is provided which may be performed by a wireless device such as a base station (bs). ... Qualcomm Incorporated

Cell synchronization signals

Certain aspects of the present disclosure relate to methods and apparatus for generating synchronization signals for cell synchronization. Certain aspects of the present disclosure provide a method for wireless communication. ... Qualcomm Incorporated

Dynamic medium access control reception-reorder timeout in a crowded wireless local area network

Methods, systems, and devices for wireless communication are described. A device may identify an indication of a station load in a wireless local area network (wlan) and estimate a delay to fill a packet hole at the medium access control (mac) layer based on the station load. ... Qualcomm Incorporated

Managing access to receive chains of a multi-subscription multi-standby communication device

Embodiments include systems and methods for managing access to receive chains of a multi-subscription multi-standby (msms) communication device. A device processor may determine a receive mode of the msms communication device. ... Qualcomm Incorporated

Reference signal transmission in wireless communications with multiple receivers

Methods, systems, and devices for broadcast transmissions in wireless communication are described. A base station may transmit a control reference signal (crs), a ue-specific reference signal (uers), and broadcast data (e.g., broadcast physical downlink shared channel (pdsch) data) in a broadcast downlink transmission. ... Qualcomm Incorporated

Techniques for sparse code multiple access (scma) codebook design

The present disclosure describes a method, an apparatus, and a computer readable medium for a multilayer transmission in a wireless network. For example, the method may include generating a group of binary data bits for resources of each layer of a plurality of layers, mapping the group of binary data bits of each layer of the plurality of layers to respective code words in a signal constellation, combining the code words, and transmitting the combined code word to receiver in the wireless network. ... Qualcomm Incorporated

Venue-specific wireless access point location information creation and distribution

Crowdsourced information may be used to associate aps with a venue and creating a venue-specific information file based on this association. This can enable the mobile device to download a single venue information file for a venue in which the mobile device may stay for an extended period of time, which may alleviate or eliminate the need to download additional ap location information while at the venue.. ... Qualcomm Incorporated

Access point mobility indication

Methods for mobility indication of wireless access points (aps) are disclosed. An ap may determine mobility indication information, based, in part, on at least one of: configuration information on the ap pertaining to mobility; and/or wireless signal measurements associated with the ap, and/or captured images associated with the ap, and/or sensor measurements associated with the ap. ... Qualcomm Incorporated

Spatialized audio output based on predicted position data

In a particular aspect, an audio processing device includes a position predictor configured to determine predicted position data based on position data. The audio processing device further includes a processor configured to generate an output spatialized audio signal based on the predicted position data.. ... Qualcomm Incorporated

Network verification of wearable devices

The present disclosure provides a solution to this problem by enabling the communications network to verify the relationship of the first ue and the second ue based on stored pairing information that is used to verify that the first ue is allowed to make a connection to the communications network. The apparatus transmits a pairing request from a first ue to a second ue. ... Qualcomm Incorporated

Network selection for relaying of delay-tolerant traffic

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may act as a relay device and receive a message from a source device. ... Qualcomm Incorporated

Managing network communication of an unmanned autonomous vehicle

Embodiments include devices and methods for managing network communication of an unmanned autonomous vehicle (uav). A processor of the uav may determine an altitude of the uav. ... Qualcomm Incorporated

Filtered orthogonal binary phase shift keying modulation with low peak-to-average-power ratio

Methods, systems, and devices for wireless communications are described. A transmitting device may modulate a first binary sequence using binary phase shift keying on a first axis of a complex plane. ... Qualcomm Incorporated

Discovery signals and network synchronization signals design in lte

Base stations (such as small cells) may support active and dormant states. To facilitate state transitions, these cells may transmit discovery signals. ... Qualcomm Incorporated

Unified reference signal design for enhanced component carriers

Methods, systems, and devices for wireless communication are described. A base station may multiplex reference signal (rs) transmissions for different antenna ports over a set of resource elements using a code division multiplexing (cdm) group spreading in a time dimension and a frequency dimension. ... Qualcomm Incorporated

Downlink control for demodulation reference signal transmissions

The present disclosure provides a unique control region that is mapped to each data region for dl dmrs transmissions. In addition, the present disclosure provides an updated dci format that may include dl dmrs transmissions. ... Qualcomm Incorporated

High power user equipment (hpue) using coherently combined power amplifiers

A user equipment (ue) includes a transmit chain that includes multiple radio frequency transmitters, multiple power amplifiers and a front end (fe) through which signals are transmitted. To achieve a high power ue solution, aspects of the disclosure selectively combine two or more power amplifier outputs based on an expected power output of the ue. ... Qualcomm Incorporated

Methods and apparatus for phase noise estimation in data symbols for millimeter wave communications

Certain aspects of the present disclosure relate to methods and apparatus for phase noise estimation in data symbols for millimeter wave (mmw). A method for wireless communications by a transmitting device is provided. ... Qualcomm Incorporated

Package on package (pop) device comprising thermal interface material (tim) in cavity of an encapsulation layer

A package on package (pop) device includes a first package, a thermal interface material, and a second package coupled to the first package. The first package includes a first integrated device and a first encapsulation layer that at least partially encapsulates the first integrated device, where the first encapsulation layer includes a first cavity located laterally with respect to the first integrated device. ... Qualcomm Incorporated

Systems and methods for adjusting an image

A method for adjusting an image by an electronic device is described. The method includes detecting line segments in a single image. ... Qualcomm Incorporated

Per-vertex variable rate shading

A graphics processing unit (gpu) may rasterize a primitive into a plurality of samples, wherein vertices of the primitive are associated with vrs parameters. The gpu may determine a vrs quality group that comprises one or more sub regions of the plurality of samples based at least in part on the vrs parameters. ... Qualcomm Incorporated

Qos-class based servicing of requests for a shared resource

Systems and methods are directed to managing access to a shared memory. A request received at a memory controller, for access to the shared memory from a client of one or more clients configured to access the shared memory, is placed in at least one queue in the memory controller. ... Qualcomm Incorporated

Cost-aware cache replacement

Systems and methods relate to cost-aware cache management policies. In a cost-aware least recently used (lru) replacement policy, temporal locality as well as miss cost is taken into account in selecting a cache line for replacement, wherein the miss cost is based on an associated operation type including instruction cache read, data cache read, data cache write, prefetch, and write back. ... Qualcomm Incorporated

Selective bypassing of allocation in a cache

Systems and methods are directed to selectively bypassing allocation of cache lines in a cache. A bypass predictor table is provided with reuse counters to track reuse characteristics of cache lines, based on memory regions to which the cache lines belong in memory. ... Qualcomm Incorporated

Reducing memory access bandwidth based on prediction of memory request size

Systems and methods for managing memory access bandwidth include a spatial locality predictor. The spatial locality predictor includes a memory region table with prediction counters associated with memory regions of a memory. ... Qualcomm Incorporated

Apparatus and methods for widget intercommunication in a wireless communication environment

The described aspects relate to methods and apparatus for widget intercommunication in a wireless communication environment. In particular the described aspects relate to dynamically exchanging content between application graphical user interface widgets executed on a widget runtime model.. ... Qualcomm Incorporated

Enhanced dynamic clock and voltage scaling (dcvs) scheme

In certain aspects, a method for frequency scaling comprises determining whether only a subset of multiple processors is active, wherein the multiple processors share one or more resources. The method also comprises increasing a frequency of at least one processor in the subset of the multiple processors if a determination is made that only the subset of the multiple processors is active and the frequency of the at least one processor is below a frequency threshold. ... Qualcomm Incorporated

Multi-phase heat dissipating device for an electronic device

A device that includes a region comprising an integrated device, and a heat dissipating device coupled to the region comprising the integrated device. The heat dissipating device is configured to dissipate heat away from the region. ... Qualcomm Incorporated

Systems and methods to provide reference voltage or current

A current mirroring circuit including: a first portion having a first resistor and a first transistor, the first transistor having a control terminal coupled to a control terminal of a first diode-connected transistor; and a second portion having a second resistor and a second transistor, the second transistor having a control terminal coupled to a control terminal of a second diode-connected transistor, the first portion being in electrical communication with a first power level and the second portion being in electrical communication with a second power level, the first portion being coupled to the second portion.. . ... Qualcomm Incorporated

Multi-tiered distance travelled estimator

Techniques are provided which may be implemented using various methods and/or apparatuses in a mobile device to perform a distance travelled estimate with a mobile device. The distance travelled estimate is performed by determining a quality of displacement between a base position and each new position for the mobile device, which is determined based on the displacement between the positions and their associated uncertainties. ... Qualcomm Incorporated

Thermal modulation of an electronic device

An electronic device includes an integrated circuit, a flexible heat spreader, an actuator, and a controller. The actuator is coupled to the flexible heat spreader and the controller is configured to control the actuator between a first actuation mode and a second actuation mode. ... Qualcomm Incorporated

Connected discontinuous reception (cdrx) management in multi-subscriber identity module (sim) wireless communication devices

Embodiments described herein relate to extending an awake period (on duration) or an inactivity timer duration in a connected discontinuous reception (cdrx) mode for a first subscription based on activities of a second subscription. A method according to some embodiments includes determining that the awake period of the cdrx cycle associated with the first subscription collides with the activities of the second subscription, and extending the awake period by an extended awake period in response to determining that the awake period collides with the activities of the second subscription. ... Qualcomm Incorporated

Protection for multi-user transmissions

Aspects of the present disclosure provide various mechanisms for protection of mu transmissions, such as ul mu mimo and ul ofdma. The mechanisms may allow for various nav setting options for ul mu mimo or ul ofdma. ... Qualcomm Incorporated

Random access message transmission using multiple symbols

A user equipment (ue) may transmit a random access message to a wireless node using multiple symbols. The random access message may include repetitions of a random access sequence weighted by a spreading code. ... Qualcomm Incorporated

Scheduling request collection through license-assisted operation

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to send, in a first network, a scheduling request (sr) associated with a second network. ... Qualcomm Incorporated

Downlink control information for multi-layer transmissions

Control information associated with a transmission layer of a downlink transmission for a co-scheduled ue may be included in a companion dci message. The companion dci message may be sent to a first ue in addition to a self dci message that communicates information associated with a transmission layer of the downlink transmission for the first ue. ... Qualcomm Incorporated

Mu-mimo dynamic bandwidth selection

Apparatuses and methods are disclosed that may allow a wireless device to dynamically select a bandwidth for mu-mimo communications. A wireless device may transmit, on each of a plurality of wireless channels, a clear-to-send-to-self (cts2s) frame that reserves medium access on a number of wireless channels and/or confirms the continued availability of the wireless channels. ... Qualcomm Incorporated

Scheduling request transmission to request resources for a buffer status report

A ue may receive a reference signal or directional synchronization subframe from a base station and transmit a scheduling request to the base station using a resource based on the reference signal or directional synchronization subframe. The scheduling request may enable a base station to grant the ue resources to send a buffer status report (bsr). ... Qualcomm Incorporated

Sounding reference signal triggering for enhanced carrier aggregation

Methods, systems, and devices for wireless communication are described. A method at a user equipment (ue) includes receiving signaling that indicates a carrier aggregation (ca) configuration (having carriers configured for ul and downlink (dl) data transmissions) and an auxiliary uplink (ul) configuration (having carriers configured for ul reference signal transmissions). ... Qualcomm Incorporated

Coexistence methods and apparatus for sharing channels

Coexistence solutions may be needed for sharing channels with multiple operators. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for sharing channels with multiple operators are provided. ... Qualcomm Incorporated

Scheduling request transmission to request resources for a buffer status report

A ue may receive a directional synchronization subframe from a base station and transmit a scheduling request to the base station during a time period based on the directional synchronization subframe. The scheduling request may enable a base station to grant the ue resources to send a buffer status report (bsr). ... Qualcomm Incorporated

Time-division multiplexing transmission time intervals within a subframe or slot for mmw scheduling

A structure where there are self-contained subframes/slots with smaller ttis within the subframes/slots is provided to address the issues in mmw scheduling. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. ... Qualcomm Incorporated

Techniques for configuring uplink control channel transmissions in a shared radio frequency spectrum band

Uplink control channel transmission in a shared radio frequency spectrum band may be transmitted using different uplink resources uci based on a format of uplink control information (uci) to be transmitted in the uplink control channel transmission. Different time resources, frequency resources, or combinations thereof, for the transmission of uci by a ue may be provided by a base station and selected by the ue based on a uci format. ... Qualcomm Incorporated

Self-contained uplink for reduced duration transmission time interval

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may receive a resource allocation associated with a low latency time interval (tti). ... Qualcomm Incorporated

Indicating start and stop symbols of pdsch and pusch through pdcch

The present disclosure relates to wireless communication in mmw networks. The apparatus may be a base station. ... Qualcomm Incorporated

Double sided round trip time calibration

Techniques for determining a round trip time (rtt) calibration value are disclosed. An example of a method according to the disclosure includes receiving a fine timing measurement (ftm) exchange between an initiating station and a responding station, calculating a plurality of differential round trip time (rtt) measurements based on the ftm exchange, calculating a responding station calibration value based on the plurality of differential rtt measurements, and transmitting the responding station calibration value to the responding station.. ... Qualcomm Incorporated

Timing advance design for enhanced component carrier

Methods, systems, and devices for wireless communication are described. A base station may establish a transmission gap between downlink (dl) and uplink (ul) transmissions on a shared radio frequency (rf) spectrum band using time division duplex (tdd). ... Qualcomm Incorporated

Interleaved beam sweeping for synchronization and random access procedures

Methods, systems, and devices for wireless communication are described. The method may include transmitting a first synchronization signal in a set of beam directions during a first symbol period of a synchronization subframe and transmitting a second synchronization signal in another set of beam directions during a second symbol period of the synchronization subframe. ... Qualcomm Incorporated

Scheduling request collection after a discontinuous reception period

A wireless device configured for discontinuous reception (drx) may and operating in a system that uses directional beamforming may identify a random access time period after awaking from a drx sleep mode. The device may then transmit a scheduling request during the random access time period. ... Qualcomm Incorporated

Configurable subframe structures in wireless communication

Some aspects of the disclosure provide for a flexible and reconfigurable subframe structure that allows various devices with different capabilities and frequency agility to efficiently utilize the available channel bandwidth (bw) and/or save power. In some aspects of the disclosure, the reference signal and/or control channel placement in the subframe can facilitate faster processing and increased sleep mode duration of the devices.. ... Qualcomm Incorporated

Systems and methods for efficient handling of lte cells for suspending data in a multiple sim or radio access technology (rat) scenario

A method, device, and system provide efficient way for handling lte cells for suspending data suspending data in a carrier aggregation plus multisim scenario. The technique includes receiving communications corresponding to the first subscription at a user equipment over a primary cell and a secondary cell; calculating, prior to a tune away period, a first data throughput rate of the primary cell and a second data throughput rate of a secondary cell; sending at least one event measurement report if the second data throughput rate is higher than the first data throughput rate; receiving a handover command from a network node to interchange the primary cell and the secondary cell; and switching, in response to receiving the handover command, the primary cell and the secondary cell such that the primary cell becomes the secondary cell and the secondary cell becomes the primary cell for first subscription traffic.. ... Qualcomm Incorporated

Interworking with legacy radio access technologies for connectivity to next generation core network

Aspects of the disclosure relate to mechanisms for interworking between legacy and next generation radio access technologies (rats) in a communication network. In some examples, a connectivity request originated by a user equipment towards a next generation core network may be processed by the next generation core network. ... Qualcomm Incorporated

Interworking with legacy radio access technologies for connectivity to next generation core network

Aspects of the disclosure relate to mechanisms for interworking between legacy and next generation radio access technologies (rats) in a communication network. In some examples, a handover from a legacy access network to a next generation access network may be performed via a next generation core network. ... Qualcomm Incorporated

Interworking with legacy radio access technologies for connectivity to next generation core network

Aspects of the disclosure relate to mechanisms for interworking between legacy and next generation radio access technologies (rats) in a communication network. In some examples, a handover from a next generation access network to a legacy access network may be performed via a next generation core network and a legacy core network. ... Qualcomm Incorporated

Performing a channel state information measurement in an enhanced machine-type communication

The present disclosure proposes indicating to the ue a set of csi reference subframes that may be used in performing a csi measurement. The set of csi reference subframes may be measured over multiple frequencies when frequency hopping occurs. ... Qualcomm Incorporated

Lte-level security for neutral host lte

Various features pertain to the authentication of mobile devices or other user equipment. In some aspects, a retail-based neutral host lte is provided for use with long term evolution (lte) networks that, among other features, provides a wifi alliance hotspot 2.0 (hs2.0) user experience using lte technology for non-mobile network operator (non-mno) service providers (sps), while maintaining high security assurances as with lte. ... Qualcomm Incorporated

System and methods for using embedded subscriber identity module (esim) provisioning processes to provide and activate device configuration packages on a wireless communication device

Methods and devices are disclosed for customizing a wireless communication device having at least one radio frequency (rf) resource associated with an embedded subscriber identity module (esim). The wireless communication device may detect a condition that uses provisioning of a new subscriber identity module (sim) profile for the esim, switch an enabled sim profile for the new sim profile, and identify one or more parameters based on information from the esim. ... Qualcomm Incorporated

Systems and methods for handling silence in audio streams

Systems and methods for handling silence in audio streams are disclosed. In one aspect, a transmitter detects a halt in an audio stream. ... Qualcomm Incorporated

Tile grouping in hevc and l-hevc file formats

A device generates a network abstraction layer (nal) unit map entry box in a file. The nal unit map entry box associates nal units with a tile set that includes two or more tiles of a plurality of tiles into which a current picture is partitioned. ... Qualcomm Incorporated

Most probable transform for intra prediction coding

A video coder can be configured to determine an intra-prediction mode for a block of video data, identify a most probable transform based on the intra-prediction mode determined for the block of video data, and code an indication of whether the most probable transform is a transform used to encode the block of video data. The most probable transform can be a non-square transform.. ... Qualcomm Incorporated

Geometric work scheduling with dynamic and probabilistic work trimming

Various embodiments may include methods executed by processors of computing devices for geometry based work execution prioritization. The processor may receive events, such as images. ... Qualcomm Incorporated

Mechanism to enable connectivity sessions and ip session establishment

Certain aspects of the present disclosure relate to methods and apparatus enabling connectivity session and internet protocol (ip) establishment. An exemplary method generally generating a request to establish at least one data network (dn) session for providing connectivity between the ue and a dn, wherein the at least one dn session supports a plurality of data sessions for enabling communication between one or more local endpoints in the ue and one or more endpoints in the dn, wherein each data session of the plurality of data sessions supports one or more connectivity requirements specified by the ue, wherein a first data session of the plurality of data sessions is associated with a first gateway, and wherein a second data session of the plurality of data sessions is associated with a second gateway, and transmitting the request to establish the at least one dn session.. ... Qualcomm Incorporated

Transport layer security token binding and trusted signing

Techniques for managing data communications are provided. A method according to these techniques includes establishing a secure communication session between a client device and a server over a network, the secure communication session comprising one or more communication subsessions in which data is exchanged between the client device and the server. ... Qualcomm Incorporated

Device assisted traffic anomaly detection

Techniques for traffic anomaly detection are provided. A method according to these techniques includes producing, at a client device, a handshake message for initiating a handshake with a relying party, analyzing, at the client device, the handshake message to determine whether the handshake message is anomalous, and associating, at the client device, an attestation with the handshake message, the attestation indicating whether the client device determined that the handshake message is anomalous.. ... Qualcomm Incorporated

Remotely controlling access to a computing device

Embodiments include devices and methods for remotely controlling access to a first computing device. A processor of the first computing device may receive an access request input, and may capture authentication information from the user in response to the access request input. ... Qualcomm Incorporated

Uplink control channel scheduling for jamming resilience

Methods, systems, and devices for wireless communication are described. The methods, systems, and devices may provide for a time varying allocation of resources which includes a shared pattern of resources. ... Qualcomm Incorporated

Quality of service (qos) management in wireless networks

A core network (cn) may establish and distribute a quality of service (qos) policy across a wireless communication system, e.g., by sending qos policy information to an access network and to user equipment. The qos policy may be implemented with respect to data network (dn) sessions as well as data sessions. ... Qualcomm Incorporated

Interworking with legacy radio access technologies for connectivity to next generation core network

Aspects of the disclosure relate to mechanisms for interworking between legacy and next generation core networks in a communication network. In some examples, a connectivity request originated by a user equipment towards a legacy core network may be transferred to a next generation core network when the user equipment supports the radio access technology of the next generation core network.. ... Qualcomm Incorporated

Systems and methods for controlling processing performance

A method for controlling processing performance by an electronic device is described. The method includes determining a processing performance requirement based on a time difference between a response requirement based on an application type and a network delay. ... Qualcomm Incorporated

Carrier frequency offset estimation in a receiver

Systems and methods are directed to low cost and low power carrier frequency offset (cfo) estimation in a receiver. In-phase (i) and quadrature (q) samples of a wireless signal are received by the receiver and a first phase and a second phase are extracted from the outputs of a first autocorrelator with a first time-lag and a second autocorrelator with a second time-lag. ... Qualcomm Incorporated

Carrier-sensing method

Methods and systems for hardware-efficient carrier sensing are disclosed. The method may include receiving a received signal during a detection window, generating a phase-discriminated waveform based on the received signal, determining a plurality of absolute values respectively based on a plurality of correlations of the phase-discriminated waveform, and generating a detection metric based on a peak value of the plurality of absolute values.. ... Qualcomm Incorporated

Frequency estimation and tracking in a receiver

In one aspect, a method for estimating residual carrier frequency offset (cfo) in a phase-modulated wireless signal having pseudo noise (pn) spreading is provided. The method includes receiving, at a digital transceiver, a plurality of pn spread blocks of in-phase and quadrature (i/q) samples of the phase-modulated wireless signal and performing sample-level de-rotation, symbol-level de-spreading, and sign alignment. ... Qualcomm Incorporated

Frequency shaping and adaptive rounding for o-qpsk and msk transmission in polar coordinates

Systems and methods are directed to phase modulation of polar coordinates in a transmitter of wireless signals, to achieve high transmit power levels while meeting spectral mask and evm requirements. An input signal is mapped to a sequence of modulation frequency (e.g., o-qpsk to msk) to generate a mapped signal. ... Qualcomm Incorporated

Standalone multicast broadcast single frequency network cell acquisition

Standalone mbsfn cells may provide an improved user experience for an individual with a non-legacy ue since the bandwidth of that cell is mostly allocated to broadcasting streaming services. However, an individual with a legacy ue may be able to detect cell acquisition information associated with a standalone mbsfn cell but not to acquire standalone mbsfn cells. ... Qualcomm Incorporated

Narrow band synchronization signal transmission and detection

In order to reduce ambiguity in nb-sss and complexity of receiver processing, a transmitter apparatus generates an sss, wherein the sss signal comprises a sequence of ofdm symbols, wherein each symbol of the sequence of sss symbols is mapped to a codeword symbol of an fec code. Source symbols of the sequence of sss symbols carry a pcid and frame timing information, and parity symbols of the sequence of sss symbols introduce redundancy and coding gain. ... Qualcomm Incorporated

Methods and apparatus for multiplexing reference signals for multiple input multiple output(mimo) layers

Methods and apparatus for multiplexing reference signals for multiple input multiple output (mimo) layers are provided. Resources for demodulation reference signals (dmrs) corresponding to each of two or more data streams are assigned, wherein the resources assigned to each of the data streams are staggered in frequency and span two or more ofdm (orthogonal frequency divisional multiplexing) symbols. ... Qualcomm Incorporated

Dynamic sounding reference signal scheduling

Methods, systems, and devices for wireless communication are described. A base station may identify a sounding reference signal (srs) configuration for user equipment (ue). ... Qualcomm Incorporated

Dynamic sounding reference signal scheduling

Methods, systems, and devices for wireless communication are described. A base station may identify a sounding reference signal (srs) configuration for user equipment (ue). ... Qualcomm Incorporated

Beam reference signal for broadcast decoding

Methods, systems, and devices for wireless communication are described. A base station may transmit a subframe that includes physical broadcast channel (pbch) signals interspersed within beam reference signals, where the subframe may be a synchronization subframe including one or more synchronization signals. ... Qualcomm Incorporated

Prs-based terrestrial beacon system (tbs) implementations

Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including an example method to facilitate position determination operations that includes receiving, at a mobile wireless device, broadcast control signals for a location transmission unit (ltu) configured for downlink-only communication, with at least some of the broadcast control signals being transmittable by a different wireless node than the ltu. The method further includes detecting the ltu, by the mobile wireless device, based on the broadcast control signals, detecting, by the mobile wireless device, upon detection of the ltu based on the broadcast control signals, one or more ltu broadcast positioning reference signals transmitted by the ltu, and determining position information for the mobile wireless device based on the one or more ltu broadcast positioning reference signals detected by mobile wireless device.. ... Qualcomm Incorporated

Collision avoidance scheme for wireless communications over unlicensed spectrum

Methods and apparatuses are described in which an unlicensed spectrum is used for long term evolution (lte) communications. A first method includes performing clear channel assessment (cca) to determine availability of an unlicensed spectrum, transmitting a request-to-send (rts) signal to a set of user equipments (ues) using the unlicensed spectrum when a determination is made that the unlicensed spectrum is available, and receiving, in the unlicensed spectrum, a common clear-to-send (cts) signal and an individual cts signal from one or more of the ues in response to the rts signal. ... Qualcomm Incorporated

Hybrid automatic repeat request timing for reduced transmission time intervals

Systems, methods, and apparatuses are described for wireless communication, including for hybrid automatic repeat request (harq) feedback in a system that supports communications using transmission time intervals (ttis) of different durations. A base station may identify a user equipment's (ue) capability to provide harq feedback for transmissions that use ttis of a shorter duration relative to other ttis supported in the system. ... Qualcomm Incorporated

Timing-error detection for continuous-phase modulated signals

In an embodiment, a receiver detects a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of cpm signals. The receiver phase aligns input samples of a candidate received signal over a time window based on a rotating signal corresponding to a phase progression of the candidate received signal. ... Qualcomm Incorporated

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

Techniques for scaling bandwidth of an unlicensed radio frequency spectrum band

The present disclosure, for example, relates to one or more techniques for scaling the bandwidth of a carrier. Available sub-channels of an unlicensed radio frequency spectrum band may be determined, and the available sub-channels may be included in the carrier. ... Qualcomm Incorporated

Channel estimation for per-tone continuous precoding in downlink mimo transmission

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

Lc filter layer stacking by layer transfer to make 3d multiplexer structures

A three dimensional (3d) multiplexer structure may include a first two dimensional (2d) inductor capacitor (lc) filter layer. The first 2d lc filter layer may include a first 2d spiral inductor and a first capacitor(s). ... Qualcomm Incorporated

Power efficient voltage level translator circuit

Disclosed systems and methods relate to a power efficient voltage level translator. In a normal mode wherein a first supply voltage of the first voltage domain and a second supply voltage of the second voltage domain are different, the voltage level translator translates an input signal in a first voltage domain to an output signal in a second voltage domain in a bypass mode wherein the first supply voltage and the second supply voltage are substantially the same, a bypass circuit is configured to bypass the voltage level translator and provide the input signal as the output signal in the first voltage domain, thus avoiding delay introduced by the voltage level translator in the bypass mode. ... Qualcomm Incorporated

Electrostatic discharge (esd) isolated input/output (i/o) circuits

A method of protecting a serializer/deserializer (serdes) differential input/output (i/o) circuit includes detecting an electrostatic discharge event. The method also includes selectively disengaging a power supply terminal from a pair of i/o transistors of the serdes differential i/o circuit in response to the detected electrostatic discharge event. ... Qualcomm Incorporated

High aperture ratio display by introducing transparent storage capacitor and via hole

This disclosure provides apparatuses and methods of manufacturing apparatuses including thin film transistors (tfts) and storage capacitors. An apparatus can include a substrate, a tft, a storage capacitor adjacent to the tft, and a common electrode. ... Qualcomm Incorporated

Metal oxide semiconductor cell device architecture with mixed diffusion break isolation trenches

A standard cell ic includes pmos transistors in a pmos region of a mos device. The pmos region extends between a first cell edge and a second cell edge opposite the first cell edge. ... Qualcomm Incorporated

Wordline adjustment scheme

A memory and a method for operating a memory are provided. The memory includes a memory cell having a transistor and a wordline driver outputting a wordline coupled to the memory cell. ... Qualcomm Incorporated

Leakage-aware activation control of a delayed keeper circuit for a dynamic read operation in a memory bit cell

Leakage-aware activation control of a delayed keeper circuit for a dynamic read operation in a memory bit cell is disclosed. In one aspect, a leakage-aware activation control circuit is provided for a dynamic read circuit configured to perform read operations on a memory bit cell. ... Qualcomm Incorporated

Dual fisheye image stitching for spherical image content

Examples are described for overlaying primitives, arranged as concentric circles, in circular images onto respective mesh models to generate rectangular images representative of a 360-degree video or image. Portions of the rectangular images are blended to generate a stitched rectangular image, and image content for display is generated based on the stitched rectangular image.. ... Qualcomm Incorporated

Geometric work scheduling with dynamic and probabilistic work trimming

Various embodiments may include methods executed by processors of computing devices for geometry based work execution prioritization. The processor may receive events, such as images. ... Qualcomm Incorporated

Dual fisheye image stitching for spherical video

Examples are described for overlaying circular images onto a three-dimensional mesh model to generated respective portions of image content for 360-degree viewable content, where each of the portions is a sub-capsule that is larger than half of the sphere. The portions are rendered and then blended based on overlapping portions of the image content from the 360-degree viewable content.. ... Qualcomm Incorporated

Adaptive systems and procedures for defending a processor against transient fault attacks

Various features pertain to defending a smartphone processor or other device from a transient fault attack. In one example, the processor is equipped to detect transient faults using a fault detection system and to adaptively adjust a control parameter in response to the transient faults, where the control parameter controls a physical operation of the processor (such as by gating its clock signal) or a functional operation of the fault detection system (such as a particular software fault sensor (sfs) employed to detect transient faults). ... Qualcomm Incorporated

Time varying address space layout randomization

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for time varying address space layout randomization. The apparatus may launch first plurality of versions of a system service and assign a random virtual address space layout to each of the first plurality of versions of the system service. ... Qualcomm Incorporated

Devices and methods for facilitating software signing by more than one signing authority

Electronic devices are adapted to facilitate execution of software signed by more than one entity. According to one example, an electronic device can store software including a hash table segment. ... Qualcomm Incorporated

Biometrics for user identification in mobile health systems

A wearable device may include a sensor system capable of obtaining physiological from a user's body. Some wearable devices may include a substance delivery system. ... Qualcomm Incorporated

Method and apparatus for configuring an integrated circuit with a requested feature set

A method for configuring the features of an integrated circuit. In the method, the integrated circuit receives a feature vector message from a first party. ... Qualcomm Incorporated

Peripheral component interconnect express (pcie) hosts adapted to support remote pcie endpoints

Aspects disclosed in the detailed description include peripheral component interconnect express (pcie) hosts adapted to support remote pcie endpoints. In this regard, a pcie host is configured to determine a temporal distance to an attached pcie endpoint and compare the temporal distance to a predetermined threshold value. ... Qualcomm Incorporated

Interconnect distributed virtual memory message preemptive responding

Aspects include computing devices, apparatus, and methods for accelerating distributive virtual memory (dvm) message processing in a computing device. Dvm message interceptors may be positioned in various locations within a dvm network of a computing device so that dvm messages may be intercepted before reaching certain dvm destinations. ... Qualcomm Incorporated

Hardware-based translation lookaside buffer (tlb) invalidation

Hardware-based translation lookaside buffer (tlb) invalidation techniques are disclosed. A host system is configured to exchange data with a peripheral component interconnect express (pcie) endpoint (ep). ... Qualcomm Incorporated

Providing memory bandwidth compression using multiple last-level cache (llc) lines in a central processing unit (cpu)-based system

Providing memory bandwidth compression using multiple last-level cache (llc) lines in a central processing unit (cpu)-based system is disclosed. In some aspects, a compressed memory controller (cmc) provides an llc comprising multiple llc lines, each providing a plurality of sub-lines the same size as a system cache line. ... Qualcomm Incorporated

Prefetch mechanism for servicing demand miss

Systems and methods relate to servicing a demand miss for a cache line in a first cache (e.g., an l1 cache) of a processing system, for example, when none of one or more fill buffers for servicing the demand miss are available. In exemplary aspects, the demand miss is converted to a prefetch operation to prefetch the cache line into a second cache (e.g., an l2 cache), wherein the second cache is a backing storage location for the first cache. ... Qualcomm Incorporated

Performance analysis using performance counters and trace logic

Systems and methods for analyzing performance of a processing system are based on performance counters provided in trace points located at selected nodes of the processing system. A first transaction to be monitored is identified as a transaction to be monitored at a first trace point if the transaction is detected, by a performance counter, more than a threshold number of times at the first trace point. ... Qualcomm Incorporated

Providing space-efficient storage for dynamic random access memory (dram) cache tags

Providing space-efficient storage for dynamic random access memory (dram) cache tags is provided. In one aspect, a dram cache management circuit provides a plurality of cache entries, each of which contains a tag storage region, a data storage region, and an error protection region. ... Qualcomm Incorporated

Identifying enhanced synchronization operation outcomes to improve runtime operations

Embodiments include computing devices, systems, and methods identifying enhanced synchronization operation outcomes. A computing device may receive a first resource access request for a first resource of a computing device including a first requester identifier from a first computing element of the computing device. ... Qualcomm Incorporated

Apparatus and method to maximize execution lane utilization through a custom high throughput scheduler

A scheduler with a picker block capable of dispatching multiple instructions per cycle is disclosed. The picker block may comprise an inter-group picker and an intra-group picker. ... Qualcomm Incorporated

Providing load address predictions using address prediction tables based on load path history in processor-based systems

Aspects disclosed in the detailed description include providing load address predictions using address prediction tables based on load path history in processor-based systems. In one aspect, a load address prediction engine provides a load address prediction table containing multiple load address prediction table entries. ... Qualcomm Incorporated

Auto-vectorization in just-in-time compilers for dynamically typed programming languages

A computing device with an optimizing compiler is disclosed that is configured to generate optimized machine code including a vector operation corresponding to multiple scalar operations where the vector operation is a single operation on multiple pairs of operands. The optimizing compiler includes a vector guard condition generator configured to generate a vector guard condition for one or more vector operations, a mapping module to generate a mapping between elements of the vector guard condition and positions of the relevant scalar operations in the non-optimized machine code or intermediate representation of the source code, and a guard condition handler configured to initiate execution from a particular scalar operation in the non-optimized machine code or intermediate representation if the vector guard condition is triggered. ... Qualcomm Incorporated

Dynamic addition of code in shared libraries

Various embodiments include methods for dynamically modifying shared libraries on a client computing device. Various embodiment methods may include receiving a first set of code segments and a first set of code sites associated with a first application. ... Qualcomm Incorporated

Providing memory bandwidth compression using compression indicator (ci) hint directories in a central processing unit (cpu)-based system

Providing memory bandwidth compression using compression indicator (ci) hint directories in a central processing unit (cpu)-based system is disclosed. In this regard, a compressed memory controller provides a ci hint directory comprising a plurality of ci hint directory entries, each providing a plurality of ci hints. ... Qualcomm Incorporated

Efficient memory bank design

In an aspect of the disclosure, a method and an apparatus are provided. The apparatus may be a memory. ... Qualcomm Incorporated

Generating compressed data streams with lookback pre-fetch instructions for pre-fetching decompressed data from a lookback buffer

Aspects for generating compressed data streams with lookback pre-fetch instructions are disclosed. A data compression system is provided and configured to receive and compress an uncompressed data stream as part of a lookback-based compression scheme. ... Qualcomm Incorporated

Drive scheme for ultrasonic transducer pixel readout

This disclosure provides some implementations of systems, methods and apparatus associated with a drive scheme for ultrasonic transducer pixel readout. In some implementations, a piezoelectric ultrasonic transducer has a first electrode, a second electrode, and a piezoelectric layer disposed between the first and second electrodes. ... Qualcomm Incorporated

Apparatus and method for dynamic power reduction in a unified scheduler

A scheduler and method for dynamic power reduction, e.g., in a processor core, is proposed. In conventional processor cores for example, the scheduler precharges grant lines of many instructions only to discharge a great majority of the precharged lines in one cycle. ... Qualcomm Incorporated

Hardware managed power collapse and clock wake-up for memory management units and distributed virtual memory networks

Methods and systems are disclosed for full-hardware management of power and clock domains related to a distributed virtual memory (dvm) network. An aspect includes transmitting, from a dvm initiator to a dvm network, a dvm operation, broadcasting, by the dvm network to a plurality of dvm targets, the dvm operation, and, based on the dvm operation being broadcasted to the plurality of dvm targets by the dvm network, performing one or more hardware optimizations comprising: turning on a clock domain coupled to the dvm network or a dvm target of the plurality of dvm targets that is a target of the dvm operation, increasing a frequency of the clock domain, turning on a power domain coupled to the dvm target based on the power domain being turned off, or terminating the dvm operation to the dvm target based on the dvm target being turned off.. ... Qualcomm Incorporated

Apparatus and methods for embedded current measurements for performance throttling

A circuit comprising an ecm system is provided. The circuit includes a current monitor circuit configured to monitor the ecm system to measure a set of currents supplied to a set of circuits. ... Qualcomm Incorporated

Gate boosted low drop regulator

In certain aspects, a voltage regulator includes a pass transistor having a drain coupled to an input of the voltage regulator, a source coupled to an output of the voltage regulator, and a gate. The voltage regulator also includes an amplifier having a first input coupled to a reference voltage, a second input coupled to a feedback voltage, and an output, wherein the feedback voltage is approximately equal to or proportional to a voltage at the output of the voltage regulator. ... Qualcomm Incorporated

Systems and devices having single-sided wafer-level optics

An optical system may include a lens assembly that has two or more single-sided wafer level optics (wlo) lenses arranged to propagate light. The optical system can further include an image sensor, wherein the lens assembly is arranged relative to the image sensor to propagate light received at a first surface of the lens assembly, through the two or more single-sided wlo lenses and to the image sensor. ... Qualcomm Incorporated

Spoof detection by ultrasonic subdermal probe

Methods and systems of determining whether an object is alive, and therefore part of a live individual, are described. An object having an outer surface (e.g. ... Qualcomm Incorporated

Prs-based terrestrial beacon system (tbs) implementations

Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including an example method to facilitate position determination operations that includes producing, by a location transmission unit (ltu) configured for downlink-only communication, one or more subframes comprising one or more ltu broadcast positioning reference signals. The ltu is detectable by at least one mobile wireless device based on ltu broadcast control signals, with at least some of the ltu broadcast control signals being transmittable by a different wireless node than the ltu. ... Qualcomm Incorporated

In-plane active cooling device for mobile electronics

An active heat transfer device is proposed for heat management in apparatuses such as mobile devices. The proposed heat transfer device may include a thermoelectric (te) layer, and first and second electrodes both on lateral surfaces of the te layer. ... Qualcomm Incorporated

Circuits and methods providing temperature mitigation for computing devices

A method includes: acquiring temperature values from a plurality of temperature sensors spatially distributed within a device; using the temperature values, calculating skin temperature values corresponding to each of the temperature sensors; comparing the skin temperature values to a first temperature threshold; in response to determining that at least one of the skin temperature values exceeds the first temperature threshold, measuring temperature over time; comparing the temperature over time to a second temperature threshold; and in response to determining that the temperature over time exceeds the second temperature threshold, reducing power consumption of the device.. . ... Qualcomm Incorporated

Passive device assembly for accurate ground plane control

Passive device assembly for accurate ground plane control is disclosed. A passive device assembly includes a device substrate conductively coupled to a ground plane separation control substrate. ... Qualcomm Incorporated

Techniques for configuring uplink transmissions in a shared radio frequency spectrum band

Techniques are described for wireless communication. One method includes identifying a first set of resources for a first uplink transmission. ... Qualcomm Incorporated

Techniques for assisting performance of listen before talk procedures and uplink traffic multiplexing at user equipment

Techniques are described for wireless communication. One method for wireless communication at a user equipment (ue) includes receiving, over the air, information indicative of at least one type of lbt procedure to perform for an uplink transmission; identifying, from the received information, the at least one type of lbt procedure to perform for the uplink transmission; and performing, for a shared spectrum, the at least one type of lbt procedure for the uplink transmission. ... Qualcomm Incorporated

Methods and apparatus for reducing resource contention

Certain aspects of the present disclosure relate to methods and apparatus for reducing resource contention between two or more rats supported by a user equipment (ue). The ue may determine a first level of contention between radio frequency (rf) resources to be used by two or more radio access technologies (rats) supported by the ue over a given period of time for performing at least one type of receive activity, based at least on assigned discontinuous reception (drx) cycles for the rats. ... Qualcomm Incorporated

Mechanisms for co-existence between communication modes in a mesh wide area network

Wireless devices in a wireless network may use multiple communication modes to perform device-to-device (d2d) communication in a mesh wide area network (wan). For instance, one communication mode may be contention-based, while the other communication mode may be scheduled (e.g., by a relay). ... Qualcomm Incorporated

On co-channel sidelink lte v2v and dsrc communication

Improvement in co-existence of the lte device-to-device communication with another device-to-device communication method is desired. The apparatus selects a countdown number within a size of a contention window including a plurality of slots before a target subframe. ... Qualcomm Incorporated

Ftm protocol enhancements for channel delay spread

This disclosure provides systems, methods and apparatuses for selecting a guard interval for transmission of orthogonal frequency-division multiplexing (ofdm) symbols on an uplink (ul) channel and on a downlink (dl) channel. In some implementations, a transmitting device and a receiving device can estimate channel delay spread (cds) information for each other's transmit channels, exchange the estimated cds information with each other, and select a guard interval based on the estimated cds information exchanged with each other. ... Qualcomm Incorporated

Methods and systems for a ranging protocol

Disclosed are methods, systems and devices for obtaining a measurement of a range between two devices. For example, wireless stations may obtain a measurement of range between the wireless stations based, at least in part, on an exchange messages such as fine timing measurement (ftm) messages. ... Qualcomm Incorporated

Base station location determination

A method of determining a location of a base station includes: receiving, at a mobile device from a location server, a base station identifier (bsid) of the base station and two or more candidate locations of the base station; receiving a signal, at the mobile device from the base station identified by the bsid; and selecting, at the mobile device, a particular candidate location from the two or more candidate locations based on a characteristic determined from the signal. A method of identifying an actual location of a base station includes: transmitting, from a location server to a disambiguating mobile device, a base station identifier (bsid) of the base station and two or more candidate locations of the base station; and receiving, at the location server from the disambiguating mobile device, an indication of the actual location of the base station from among the two or more candidate locations.. ... Qualcomm Incorporated

Managing radio frequency spectrum usage by a wireless network node

Embodiments include systems and methods for managing radio frequency (rf) spectrum usage by a processor of a wireless network node. The processor may scan one or more frequencies to determine a spectrum usage. ... Qualcomm Incorporated

Wireless communication involving a wake time period for a station

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to receive information indicating a wake time period from a sta and use the received wake time period to schedule communication with the sta. ... Qualcomm Incorporated

Dynamic bandwidth switching for reducing power consumption in wireless communication devices

Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing bandwidths are disclosed. A wireless communication apparatus comprises a memory and a processor coupled to the memory. ... Qualcomm Incorporated

Link speed control systems for power optimization

Link speed control systems for power optimization are disclosed. In one aspect, a communication link adjusts a data transfer speed based on link utilization levels. ... Qualcomm Incorporated

Automatic network selection for multefire

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may attempt to access a network at a local area network access point without prior context information. ... Qualcomm Incorporated

Method to dynamically switch data subscription in volte + gsm dual sim dual standby device

A method for dynamically switching a data subscription in a multi subscriber identity module (sim) multi standby (msms) mobile communication device includes: in response to determining that signal energy for a first subscription detected during a background public land mobile network (bplmn) search remains greater than or equal to a threshold signal energy value during a first specified time period of a first timer, reducing a second specified time period of a second timer for a second subscription; determining whether any data communication activity occurs on the second subscription during the second specified time period; in response to determining that no data communication activity occurs on the second subscription during the second specified time period, performing a dedicated data subscription (dds) switch from a second subscription to the first subscription.. . ... Qualcomm Incorporated

Nan data link multi-hop topology

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to determine that a multi-hop feature is enabled for a service and to transmit, based on the determination, a multi-hop attribute that may include at least one of an identifier provided by a publisher device or a hop count associated with the service. ... Qualcomm Incorporated

Managing usage of radio access technologies in a multimode communication device

Various embodiments include multimode communication devices and methods for managing usage of radio access technologies (rats). In various embodiments, the multimode communication device may prevent scanning for a signal of higher priority rats when a communication link is established with a lower priority rat and the multimode communication device determines that the device is stationary. ... Qualcomm Incorporated

Achieving dual sim dual active operation in an lte + lte device by downgrading user equipment category to 1 for one sim

A method for performing a dedicated data subscription (dds) switch on a multi subscriber identity module multi-active (msma) mobile communication device includes: initiating a dds switch from a first subscription to a second subscription; determining whether a first communication network associated with the first subscription supports user equipment (ue) capability update via a tracking area update (tau) procedure; in response to determining that the first communication network supports ue capability update via a tau procedure, initiating a tau procedure on the first subscription with the first communication network; and reporting a ue category 1 capability to the first communication network on the first subscription for the mobile communication device during the tau procedure on the first subscription.. . ... Qualcomm Incorporated

Method and apparatus for signaling using generalized chu sequences

An enb may determine a root for a sequence to be included in a signal to a ue. The enb may generate a generalized chu sequence based on the root and scramble the generalized chu sequence using a pseudorandom sequence that is common to a plurality of enbs. ... Qualcomm Incorporated

Methods and systems for controlling external access to a communcations port

Disclosed are methods and systems for providing control over a port, such as a port utilizing the user datagram protocol, for example, in a mobile device. In a particular implementation, a mobile device user may select to close or otherwise restrict access to the port, which may thus prevent a user external to the cellular communications network from obtaining the user's present location and/or from hindering operations of the mobile device. ... Qualcomm Incorporated

Selective crowdsourcing for multi-level positioning

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 selective crowdsourcing for multi-level positioning, such as positioning in a multi-level structure, for example.. . ... Qualcomm Incorporated

Determining a time calibration value for a user equipment

In an embodiment, a given entity obtains a location of at least one terrestrial transmit station of a synchronized wireless transmission network (swtn), transmit station calibration information associated with the at least one terrestrial transmit station and a location of a user equipment (ue) that is in wireless communication range with the at least one terrestrial transmit station. The given entity estimates the time calibration value for the ue based on the obtained transmit station location, the determined transmit station calibration information and the determined location of the ue. ... Qualcomm Incorporated

Methods and systems for priority based geofences

Methods and systems for utilizing priority based geofences are disclosed. A mobile device receives, from another device over a wireless network, at least one geofence, each of the at least one geofence having an assigned priority level indicating an importance of the at least one geofence, wherein the assigned priority level is one of a plurality of priority levels and is received from the other device over the wireless network, determines, based on the priority level of the at least one geofence, a geofence breach detection method and an evaluation rate, and monitors a position of the mobile device relative to the at least one geofence at the evaluation rate using the geofence breach detection method.. ... Qualcomm Incorporated

Enhancing prs searches via runtime conditions

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 searches for positioning reference signals (prs) via one or more runtime conditions, such as for use in or with mobile communication devices, for example.. . ... Qualcomm Incorporated

Methods and apparatus for managing machine-type communications

The described aspects include methods and apparatus providing mtc in a wireless network. In an aspect, a narrow bandwidth within a wide system bandwidth is allocated for communicating data related to mtc. ... Qualcomm Incorporated

Constrained block-level optimization and signaling for video coding tools

An example device for decoding encoded video data includes storage media and processing circuitry. The storage media are configured a portion of the encoded video data. ... Qualcomm Incorporated

Apparatus and methods for adaptive calculation of quantization parameters in display stream compression

Methods and apparatus for coding video information having a plurality of video samples are disclosed. Blocks for video data are coded by an encoder based upon a quantization parameter (qp) for each block. ... Qualcomm Incorporated

Truncated square pyramid geometry and frame packing structure for representing virtual reality video content

Techniques and systems are described for mapping 360-degree video data to a truncated square pyramid shape. A 360-degree video frame can include 360-degrees' worth of pixel data, and thus be spherical in shape. ... Qualcomm Incorporated

Apparatus and method for generating local binary patterns (lbps)

Techniques for direct local binary pattern (lbp) generation are presented. An image sensor for lbp generation includes a variable reference signal generator and a sensor pixel array that can generate events based on optical signals on the sensor pixel array and a reference level from the variable reference signal generator. ... Qualcomm Incorporated

Data compression for cellular internet of things (ciot)

Aspects of the present disclosure provide techniques for compressing data packets for cellular internet of things (ciot) communications. An example method generally includes establishing at least one prefill buffer common to one or more ues, wherein the prefill buffer includes a plurality of common strings, generating a compressed packet by finding matches to the common strings in at least one of a header portion or payload portion of the packet and associating identifiers with the common strings, and transmitting the packet.. ... Qualcomm Incorporated

Abort messages for position location message flows

Provided is an enhanced lpp transport that may improve performance where a sender or receiver of messages processes certain messages that include requests to abort transactions or sessions, or processes certain messages that might otherwise result in the sending of abort messages. Embodiments may reduce unwanted system actions such as, for example, the unwanted termination of a transaction or session, or the unnecessary use of system resources.. ... Qualcomm Incorporated

Downlink control channel encryption for jamming resilience

Methods, systems, and devices for wireless communication are described. The methods, systems, and devices may employ mechanisms for encrypting downlink control channels for jamming resilience. ... Qualcomm Incorporated

Standalone network probing using available network connections

Various embodiments provide methods, devices, and non-transitory processor-readable storage media enabling network probing with a communication device based on the communication device sending a probe via a first network connection and receiving the probe via a second network connection. By leveraging a capability of a communication device to establish two network connections at the same time, various embodiments may enable a single communication device to act as both a probing client and a probing server. ... Qualcomm Incorporated

Communication of broadcast reference signal

Various aspects provide for communicating a first set of broadcast reference signals (rss) in a first subframe that includes a synchronization (sync) channel and communicating a second set of broadcast rss in a second subframe that follows the first subframe. The second subframe may immediately follow the first subframe. ... Qualcomm Incorporated

Systems and methods for training field boosting

A method performed by an electronic device is described. The method includes receiving a long training field (ltf) in a preamble of a packet. ... Qualcomm Incorporated

Collaborative group communication method involving a context aware call jockey

A system and method comprises establishing a group communication session between a first participant and a second participant. The method may include a dynamic point of control entity within the communication session. ... Qualcomm Incorporated

Systems and methods for fast local oscillator phase flip

Methods, systems, and devices for wireless communication are described. An internal state of a frequency divider of a local oscillator (lo) may be stored using a storage device in order to facilitate phase flipping of one or more signals output by the lo. ... Qualcomm Incorporated

Sounding reference signal transmission for enhanced carrier aggregation

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may indicate to a base station the number of uplink (ul) component carriers (ccs) that the ue is capable of supporting. ... Qualcomm Incorporated

Synchronization signal optimizations for symbol index detection

Methods, systems, and devices for wireless communication are described. Some examples provide for identifying a primary synchronization signal (pss) sequence of a synchronization subframe, determining, for the synchronization subframe, an extended synchronization signal (ess) sequence based at least in part on the pss sequence and transmitting the synchronization subframe. ... Qualcomm Incorporated

Techniques for rf transceiver self-calibration

Various aspects described herein relate to calibrating transceiver impairment in wireless communications. Direct current (dc) components of one or more signals can be modified, using one or more configured dc components, for transmitting to a user equipment (ue) via a transmitter. ... Qualcomm Incorporated

Systems and methods for enhanced mimo operation

A method for channel state information (csi) reporting by a wireless communication device is described. The method includes determining a codebook for a csi report corresponding to four transmit antenna (4tx) transmissions from a base station. ... Qualcomm Incorporated

Enhanced antenna array training

Methods, systems, and devices for wireless communication are described. An access point (ap) may switch antenna array configurations during reception of a packet to determine channel characteristic information for the antenna array configurations. ... Qualcomm Incorporated

Rf multiplexer with integrated directional couplers

An rf diplexer is provided with an integrated diplexer that shares a primary inductor included in a channel within the rf diplexer.. . ... Qualcomm Incorporated

Area-efficient differential switched capacitors

A differential switched capacitor device, including: first and second terminals; first and second branches coupled between the first and second terminals, each branch of the first and the second branches comprising at least one capacitor; and first and second switches, each switch of the first and second switches disposed in each branch of the first and second branches.. . ... Qualcomm Incorporated

Non-inverting buck-boost (bob) automatic pass-through mode

An apparatus improves efficiency of a non-inverting buck-or-boost regulator by reducing an amount of switching of the buck-or-boost regulator. A high side buck transistor and a high side boost transistor of the buck-or-boost regulator are turned on. ... Qualcomm Incorporated

Duty cycle estimator

A duty cycle estimation circuit includes a latch circuit that receives a clock signal for a voltage regulator. The latch circuit outputs a duty cycle estimate. ... Qualcomm Incorporated

Power supply current priority based auto de-rating for power concurrency management

An apparatus and method for to incrementally reduce (e.g., de-rate) a power supply voltage output (vout) of a regulator to multiple subsystems in response to detecting high power conditions in a client device is described. In one instance, multiple low power client devices and a high power consumption client device are coupled to a power grid of the power management system with a power management integrated circuit (pmic) supplying power to the power grid. ... Qualcomm Incorporated

Integrated circuits including a finfet and a nanostructure fet

An integrated circuit includes a finfet and a nanostructure fet. The integrated circuit includes a bulk substrate. ... Qualcomm Incorporated

Fusebox-based memory repair

A method and apparatus for repairing a memory is provided. At least one memory is tested using a production test pattern. ... Qualcomm Incorporated

Intelligent bit line precharge for improved dynamic power

A method and apparatus for writing data to a memory device are provided that do not change the precharge states for a bit line pair in a current write cycle if the current data bit is unchanged from the preceding write cycle.. . ... Qualcomm Incorporated

Sense amplifier enabling scheme

A memory and a method for operating the memory are presented. The memory includes a memory cell, a sense amplifier configured to sense read data from the memory cell, a write driver configured to provide write data to the memory cell, a first circuit configured to enable the sense amplifier during a time period, and a second circuit configured to enable the write driver during at least a portion of the time period. ... Qualcomm Incorporated

Providing memory training of dynamic random access memory (dram) systems using port-to-port loopbacks, and related methods, systems, and apparatuses

Providing memory training of dynamic random access memory (dram) systems using port-to-port loopbacks, and related methods, systems, and apparatuses are disclosed. In one aspect, a first port within a dram system is coupled to a second port via a loopback connection. ... Qualcomm Incorporated

Audio processing for an acoustical environment

An apparatus for detecting a sound in an acoustical environment includes a microphone array configured to detect an audio signal in the acoustical environment. The apparatus also includes a processor configured to determine an angular location of a sound source of the audio signal. ... Qualcomm Incorporated

Methods and systems for utilizing information collected from multiple sensors to protect a vehicle from malware and attacks

Various embodiments include methods, and computing devices implementing the methods, for analyzing sensor information to identify an abnormal vehicle behavior. A computing device may monitor sensors (e.g., a closely-integrated vehicle sensor, a loosely-integrated vehicle sensor, a non-vehicle sensor, etc.) in the vehicle to collect the sensor information, analyze the collected sensor information to generate an analysis result, and use the generated analysis result to determine whether a behavior of the vehicle is abnormal. ... Qualcomm Incorporated

Spatial relationships for integration of visual images of physical environment into virtual reality

A method for use with a head-mounted display in a physical environment includes obtaining depth information of the physical environment and capturing a visual image of the physical environment. The method also includes determining a spatial relationship between a user of the head-mounted display and one or more physical objects included in the physical environment based on the depth information. ... Qualcomm Incorporated

Autonomous lane detection

Methods, systems, computer-readable media, and apparatuses for autonomous lane detection are presented. One example method includes the steps of receiving a signal from a first device; responsive to a comparison of a measured received frequency of the signal to a source frequency of the signal and to one or more thresholds, determining a distance to the first device; and determining a lane in which the vehicle is operating based on the distance and a lane map. ... Qualcomm Incorporated

Rollable biometric measuring device

A biometric measuring device for obtaining biometric measurements on a limb or digit, such as a finger. The biometric measuring device may include a rollable sleeve that is rollable along a longitudinal axis of the limb or digit and multiple biometric sensors attached to the rollable sleeve such that the biometric sensors are positioned on the rollable sleeve to enable the sleeve to be rolled.. ... Qualcomm Incorporated

Data protection using virtual resource views

Embodiments include computing devices, systems, and methods for protecting data using virtual views of resource contents. A virtualization interface monitor may monitor a request to access a computing device resource by a first requesting entity and determine whether the first requesting entity is an owner of the computing device resource. ... Qualcomm Incorporated

Mobile device with multiple communication capabilities

An interface unit of a mobile device coupled to an auxiliary device, the interface unit including: a first plurality of switches configured for power delivery to the auxiliary device; at least one isolation unit coupled to the first plurality of switches, the at least one isolation unit configured to isolate the multiple signals and to prevent disruption of data communication between the mobile device and the auxiliary device; and a second plurality of switches configured for the data communication between the mobile device and the auxiliary device, the second plurality of switches configured to bypass the at least one isolation unit.. . ... Qualcomm Incorporated

Active and stall cycle based dynamic scaling of processor frequency and bus bandwidth

Techniques are described in which to determine as separate values the active time and the stall time of a processing unit at different operating frequencies of the processing unit and bus bandwidths of a bus that interconnects the processing unit to system memory. The techniques may adjust the operating frequency of the processing unit and/or bus bandwidth based on the determined active times and stall times.. ... Qualcomm Incorporated

Multiple mode testing in a vector memory restricted test environment

A method and apparatus for testing an electronic device is provided. The method begins when at least one test setup vector for at least one test to be performed is generated. ... Qualcomm Incorporated

Providing references to previously decoded instructions of recently-provided instructions to be executed by a processor

Providing references to previously decoded instructions of recently-provided instructions to be executed by a processor is disclosed herein. In one aspect, a low resource micro-operation controller is provided. ... Qualcomm Incorporated

Power-reducing memory subsystem having a system cache and local resource management

Systems, methods, and computer programs are disclosed for method for reducing memory subsystem power. In an exemplary method, a system resource manager provides memory performance requirements for a plurality of memory clients to a double data rate (ddr) subsystem. ... Qualcomm Incorporated

Power-reducing memory subsystem having a system cache and local resource management

Systems, methods, and computer programs are disclosed for method for reducing memory subsystem power. In an exemplary method, a system resource manager provides memory performance requirements for a plurality of memory clients to a double data rate (ddr) subsystem. ... Qualcomm Incorporated

Peak current support for a power rail system via a shared secondary power supply

Systems, methods, and computer programs are provided for controlling power in a computing device. One embodiment is a system comprising a plurality of power rails coupled to one or more computing device components. ... Qualcomm Incorporated

Multi-axis controller

Embodiments described herein relate to a controller for controlling various aspects of a unmanned aerial vehicle (uav), the controller including, but not limited to, a controller body having a first portion configured to secure to a user of the controller and a first controller configured for controlling at least flight of the uav. The controller is portable via the first portion. ... Qualcomm Incorporated

Systems and methods for autofocus trigger

Method and systems for autofocus triggering focusing are disclosed herein. In one example, a system may include a lens, a memory component configured to store lens parameters of the lens and regions of focus corresponding to the lens parameters, and a processor coupled to the memory and the lens. ... Qualcomm Incorporated

Automated lane assignment for vehicles

Methods, systems, computer-readable media, and apparatuses for automated lane assignment for vehicles are presented. One example method includes the steps of accessing vehicle information of at least one vehicle, the vehicle information including a priority level of a plurality of priority levels associated with each of the at least one vehicle; accessing lane information associated with a road, the lane information comprising information corresponding to at least two lanes of travel in a direction; and assigning at least one of the at least one vehicle to a lane of travel on the road based at least in part on the vehicle information and the lane information. ... Qualcomm Incorporated

Systems and methods for thermal management in wireless power transfer

The invention described herein relates to wireless power transfer systems and methods that efficiently and safely transfer power to electronic devices. In an aspect of the disclosure, an apparatus for wirelessly receiving power is provided. ... Qualcomm Incorporated

Tracking contact quality to vital signs measurement sensors

Various embodiments include a variety of sensors, such as a pulse oximeter, configured to track a dynamic component of a sensor and take an action based on a characteristic of the dynamic component. Some embodiments may include determining a gain applied to a signal of the sensor, determining whether the gain is discontinuous, and indicating that a sensor measurement associated with the signal is low quality in response to determining that the gain applied is discontinuous. ... Qualcomm Incorporated

Supporting high speeds in vehicle-to-vehicle communication

During device-to-device communication between two devices, a communication transmitted from a first ue to a second ue may not be reliably received by the second ue if the first ue is traveling at high speed. Therefore, a travel speed of a transmitting ue may be considered in determining a transmission configuration. ... Qualcomm Incorporated

Contention-based random access in unlicensed spectrum

The disclosure provides a method and system for requesting access to resources for uplink communications in unlicensed spectrum. In particular, a user equipment (ue) may detect one or more of a first type of data or a second type of data to be transmitted to a base station (bs). ... Qualcomm Incorporated

Back-off techniques for network listen (nl) at a base station

The present disclosure describes a method and an apparatus for communicating during a network listen (nl) mode at a base station. For example, a method is provided for communicating during a network listen (nl) mode at a base station. ... Qualcomm Incorporated

Dynamic adjustment of downlink and uplink traffic scheduling

Methods, systems, and devices for wireless communication are described. An access point (ap) may win access to an unlicensed frequency channel for a transmission opportunity. ... Qualcomm Incorporated

Tone plan adaptation for channel bonding in wireless communication networks

Methods and apparatuses are disclosed for communicating over a wireless communication network. One such apparatus can include a memory that stores instructions and a processor coupled with the memory. ... Qualcomm Incorporated

Paging for machine type communication devices

Methods, systems, devices, or apparatuses may support paging for machine type communication (mtc) devices. In one example, a base station may identify a mode of operation to be used for mtc. ... Qualcomm Incorporated

Downlink power adjustment in narrowband wireless communications

A device, such as a base station or user equipment (ue), may identify a narrowband reference signal (nb-rs) energy per resource element (epre) for a nb-rs to be transmitted in a wireless transmission. The device may identify a ratio of a narrowband physical downlink shared channel (n-pdsch) epre to the nb-rs epre for orthogonal frequency division multiplexing (ofdm) symbols containing neither a cell-specific reference signal (crs) nor a nb-rs. ... Qualcomm Incorporated

Request-to-send/clear-to-send enabled power saving and off-channel operations

Methods, systems, and devices for wireless communication are described. An access point (ap) may direct stations (stas) to use a request-to-send (rts)/clear-to-send (cts) mode so the ap may perform power savings and off-channel operations without disrupting the communications of nearby devices. ... Qualcomm Incorporated

Assisted cell acquisition for low cost wireless devices

Aspects of the present disclosure provide techniques and apparatus for assisted cell acquisition by a wireless node, such as a smartphone, enhanced machine type communications (emtc) device, and/or wearable. In one aspect, a method is provided which may be performed by the wireless node. ... Qualcomm Incorporated

Optimized measurement report order for inter-rat handover

To carry out inter-rat handover to the strongest neighbor cell, a method, a computer-readable medium, and an apparatus are provided. The apparatus determines a measurement configuration relating to handover from a cell of a source rat to a cell of one or more target rats. ... Qualcomm Incorporated

Long-range low-power frame structure

The present application relates to transmitting data according to a frame structure. The described aspects include receiving data for transmission to at least one of an access point or a receiving station. ... Qualcomm Incorporated

Communication pattern detection for unlicensed radio frequency spectrum bands

Methods, systems, and devices for wireless communication are described. A device using a first radio access technology (rat) to communicate over an unlicensed radio frequency spectrum band may identify a communication pattern for a transmission using a second rat over the unlicensed radio frequency spectrum band. ... Qualcomm Incorporated

Flexible configuration and authentication of wireless devices

An apparatus and method for configuring a wireless station for use within a wireless local area network are disclosed. In at least one exemplary embodiment, a pairwise master key is generated by the wireless station and an access point within the wireless local area network. ... Qualcomm Incorporated

Using communication characteristics of a station to verify identity information

Various aspects provide for receiving identity information from a station (sta) that identifies the sta as a sensor-type sta, determining whether communication attributes of the sta correlates with communication attributes expected for a sensor-type sta, and determining that the identity information received from the sta is false when the one or more communication attributes of the sta is uncorrelated with the one or more communication attributes expected for a sensor-type sta. Additional aspects provide for initiating one or more remedial actions upon determining that the identity information is false. ... Qualcomm Incorporated

Reception of emergency messages in mobile devices

Methods for receiving emergency messages on a mobile communication device having a first subscription and a second subscription sharing a radio frequency (rf) resource may include prioritizing, by a processor of the mobile communication device, the first subscription for a predetermined time period in order to receive an emergency message, determining, by the processor, whether the first subscription should be de-prioritized before the predetermined time period expires based on a reception history of the first subscription during the predetermined time period, and tuning the rf resource to the second subscription before the predetermined time period expires in response to determining that the first subscription should be de-prioritized before the predetermined time period expires.. . ... Qualcomm Incorporated

System and method for monitoring locations of mobile devices

A method of identifying mobile computing devices includes sending a request from a first mobile computing device to a second mobile computing device for the location of the second mobile computing device, and receiving the location of the second mobile computing device at the first mobile computing device. The method further includes providing a notification to one of the first and second mobile computing devices based upon the location of the second mobile computing device.. ... Qualcomm Incorporated

Access point environment characterization

A method of associating environmental context with wireless access points is disclosed. In some embodiments, a method on a user equipment may comprise determining at least one environmental context associated with a subset of one or more access points (aps) visible to the ue at an estimated location of the ue. ... Qualcomm Incorporated

Reliability in mobile device positioning in a crowdsourcing system

Methods and systems are disclosed for improving reliability in mobile device positioning. A mobile device generates position data for a device, receives a first access point position reliability state associated with the first access point, determines a reliability of the position data based on the first access point position reliability state and an estimated location of the first access point, determines a threshold reliability requirement of an application associated with the mobile device, compares the reliability of the position data to the threshold reliability requirement of the application, and provides the position data of the device based on the comparison. ... Qualcomm Incorporated

Coding video data using a two-level multi-type-tree framework

An example device for decoding video data includes a video decoder configured to decode one or more syntax elements at a region-tree level of a region-tree of a tree data structure for a coding tree block (ctb) of video data, the region-tree having one or more region-tree nodes including region-tree leaf and non-leaf nodes, each of the region-tree non-leaf nodes having at least four child region-tree nodes, decode one or more syntax elements at a prediction-tree level for each of the region-tree leaf nodes of one or more prediction trees of the tree data structure for the ctb, the prediction trees each having one or more prediction-tree leaf and non-leaf nodes, each of the prediction-tree non-leaf nodes having at least two child prediction-tree nodes, each of the prediction leaf nodes defining respective coding units (cus), and decode video data for each of the cus.. . ... Qualcomm Incorporated

Border pixel padding for intra prediction in video coding

A video coder performs a padding operation that processes a set of border pixels according to an order. The order starts at a bottom-left border pixel and proceeds through the border pixels sequentially to a top-right border pixel. ... Qualcomm Incorporated

Determining prediction parameters for non-square blocks in video coding

A method of decoding video data comprising receiving a block of video data encoded using a position dependent intra prediction combination (pdpc) mode, the block of video data having a non-square shape defined by a width and a height, determining one or more pdpc parameters based on one or more of the width or the height of the block of video data, and decoding the block of video data using the pdpc mode and the determined pdpc parameters.. . ... Qualcomm Incorporated

Using luma information for chroma prediction with separate luma-chroma framework in video coding

A method of decoding video data comprises receiving a bitstream of encoded video data, the encoded video data representing partitioned luma blocks and partitioned chroma blocks, wherein the chroma blocks are partitioned independently of the luma blocks, determining a respective coding mode corresponding to the respective partitioned luma blocks, decoding the respective partitioned luma blocks according to the determined respective coding modes, decoding a first syntax element indicating that the respective coding modes associated with the respective partitioned luma blocks are to be used for decoding a first partitioned chroma block, wherein the first partitioned chroma block is aligned with two or more partitioned luma blocks, determining a chroma coding mode for the first partitioned chroma block according to a function of the respective coding modes of the two or more partitioned luma blocks, and decoding the first partitioned chroma block in accordance with the determined chroma coding mode.. . ... Qualcomm Incorporated

Notifying a user of events in a computing device

A user of a mobile computing device may provide a first user preference for a first type of event and a second user preference for a second type of event, and the mobile computing device may detect an event comprising reception of the first type of event or the second type of event. The mobile computing device may present, along an edge of a touch-sensitive display of the mobile computing device, a banner alert in response to detecting the first type of event, and may present, on the touch-sensitive display, a pop-up notification in response to detecting the second type of event. ... Qualcomm Incorporated

Integrated personal digital assistant device

A mobile computing device is disclosed. In some implementations, the mobile computing device may receive, from a user, an input character string for presentation on a touch-sensitive display of the mobile computing device, may select a replacement character string based on the input character string, and may replace the input character string with the selected replacement character string. ... Qualcomm Incorporated

Signaling of application content packaging and delivery

Various embodiments for delivering application content signaling information to a receiver device may include a server generating a metadata fragment for application content items of an application to be acquired by a receiver device, adding to the metadata fragment a first set of attributes including a list of other linear services that use the application content items described by the metadata fragment, and transmitting the metadata fragment to the receiver device. The first set of attributes further may include an application launch page or launch file indicator for the application and/or an indication of required capabilities for rendering the application and its associated one or more application content items. ... Qualcomm Incorporated

Signaling of application content packaging and delivery

Methods for delivering application content signaling information may include a generating a metadata fragment for application content items of an application to be acquired by a receiver device, adding to the metadata fragment a first set of attributes indicating that rendering of a linear service or a group of linear services is performed by a media player embedded in the application, and transmitting the metadata fragment to the receiver device. The first set of attributes may include an application launch page or launch file indicator for the application, and/or an indication of required capabilities for rendering the application and associated application content items. ... Qualcomm Incorporated

Methods and systems for location-based authentication using neighboring sensors

Various embodiments include methods, and computing devices implementing the methods, for authenticating vehicle information by polling selected sensors. A server computing device receiving vehicle information from a reporting vehicle may compare the received vehicle information to contextual information to generate a comparison result, and determine whether the received vehicle information should be evaluated with greater scrutiny based on the comparison result. ... Qualcomm Incorporated

Uplink channel quality measurement using a subframe with high-intensity reference signal bursts

Aspects of the present disclosure provide a wireless device that communicates with another wireless device utilizing self-contained subframes. The wireless device communicates with a scheduling entity utilizing a plurality of self-contained subframes that include a first subframe and a second subframe. ... Qualcomm Incorporated

Hybrid waveform design combining ofdm and cyclic prefix based single carrier for millimeter-wave wireless communication

Methods, systems, and devices are described for generating a hybrid waveform for data transmission between a transmitting device and a receiving device. The transmitting device may employ an ofdm processing technique to periodically transmit known first pilot symbols mapped from a signal constellation where each signal has equal energy during a first time period and a cyclic prefix based single-carrier (cp-sc) processing technique to transmit data packets and second known pilot symbols during a second time period. ... Qualcomm Incorporated

Data communication

Systems and methods utilizing a packet gate to improve communication performance with respect to a resource shared for data communication are disclosed. In embodiments, a packet gate is utilized with respect to a shared resource to improve the effective throughput and reduce packet losses with respect to a plurality of data flows sharing the resource. ... Qualcomm Incorporated

Downlink control and retransmission indicator channel for relaxing ack processing time constraints

Systems and methods are disclosed for minimizing latency between receipt of a nack at a base station from a user equipment (ue) and retransmission of data to the ue. Time constraints for processing the ack/nack are relaxed so the base station can decode the ack/nack to determine whether a nack has been received and then prepare for transmission of the appropriate data to the ue in the immediately following transmission time interval (tti). ... Qualcomm Incorporated

Enhanced coordinated multipoint operation

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may use multiple-input multiple-output (mimo) layer specific and codeword specific communication configurations to communicate with multiple base stations. ... Qualcomm Incorporated

Techniques for communicating in an expanded uplink pilot time slot

Techniques for wireless communication are described. One method includes identifying a data structure associated with an uplink pilot time slot (uppts) and a demodulation reference signal structure associated with the uppts, where the uppts occurs during a portion of a subframe, and communicating with a second device based at least in part on the data structure and the demodulation reference signal structure.. ... Qualcomm Incorporated

Modem adaptive antenna tuning (maat)

Certain aspects of the present disclosure provide methods and apparatus for adaptive antenna tuning. One example method for wireless communications generally includes determining a first channel characteristic associated with a first component carrier and an antenna in an apparatus; determining a second channel characteristic associated with a second component carrier and the antenna; and controlling a tuner coupled to the antenna based on at least one of the first channel characteristic or the second channel characteristic. ... Qualcomm Incorporated

Wireless implant powering via subcutaneous power relay

A method of providing power to an implant includes: transcutaneously receiving first power wirelessly from a source transmitter by a receiver of a power relay device, the receiver of the power relay device being disposed inside a biological body and closer to a skin of the biological body than the implant is to the skin of the biological body; converting the first power into second power that has a substantially different frequency than the first power, or is of different type of power than the first power, or both; and internally coupling the second power from a transmitter of the power relay device to the implant disposed within the biological body.. . ... Qualcomm Incorporated

Thermal-aware finfet design

According to various aspects, a thermal-aware finned field-effect transistor (finfet) may have a design that can substantially reduce hot spot temperatures and resolve other self-heating problems. More particularly, the finfet design may use aluminum nitride (aln) fins that can provide a main thermal exit and a source, drain, and channel formed from materials that can spread or dissipate heat, wherein aln has a high thermal conductivity compared to silicon such that using aln to form the fins may substantially increase heat flux to a silicon substrate relative to silicon fins. ... Qualcomm Incorporated

Planar fan-out wafer level packaging

A proposed device may reduce or eliminate a step between a die and a mold compound. Bottom and top surfaces of the die may respectively be the active and non-active sides of the die. ... Qualcomm Incorporated

Backside drill embedded die substrate

A device and method of fabricating are provided. The device includes a substrate having a first side and an opposite second side, a cavity defined within the substrate from the first side, a die coupled to a floor of the cavity and having a conductive pad on a side of the die distal to the floor of the cavity. ... Qualcomm Incorporated

Forming self-aligned vertical interconnect accesses (vias) in interconnect structures for integrated circuits (ics)

Forming self-aligned vertical interconnect accesses (vias) in interconnect structures for integrated circuits (ics) is disclosed. To reduce or avoid misalignment of a via to an underlying, interconnected metal line, vias are fabricated in the interconnect structure to be self-aligned with an underlying, interconnected metal line. ... Qualcomm Incorporated

Exposed die mold underfill (muf) with fine pitch copper (cu) pillar assembly and bump density

Disclosed is a die packaging structure comprising a semiconductor die, an encapsulant layer disposed around the semiconductor die, wherein a backside surface of the semiconductor die is exposed, and a conductive layer coupled to the semiconductor die, the conductive layer comprising a plurality of conductive pillar bumps, wherein a bump density of the plurality of conductive pillar bumps is greater than 5%, wherein the encapsulant layer is further disposed between the plurality of conductive bumps, and wherein the encapsulant layer is disposed between the plurality of conductive bumps using a mold underfill (muf) process. A method of forming the same is also disclosed.. ... Qualcomm Incorporated

High band excitation signal generation

A method includes extracting a voicing classification parameter of an audio signal and determining a filter coefficient of a low pass filter based on the voicing classification parameter. The method also includes filtering a low-band portion of the audio signal to generate a low-band audio signal and controlling an amplitude of a temporal envelope of the low-band audio signal based on the filter coefficient. ... Qualcomm Incorporated

Multi channel coding

A device includes a receiver and a decoder. The receiver is configured to receive stereo parameters encoded, by an encoder, based on a plurality of windows having a first length of overlapping portions between the plurality of windows. ... Qualcomm Incorporated

Audio signal decoding

An apparatus includes a receiver configured to receive at least one encoded signal that includes inter-channel bandwidth extension (bwe) parameters. The device also includes a decoder configured to generate a mid channel time-domain high-band signal by performing bandwidth extension based on the at least one encoded signal. ... Qualcomm Incorporated

Audio processing for temporally mismatched signals

A device includes a processor and a transmitter. The processor is configured to determine a first mismatch value indicative of a first amount of a temporal mismatch between a first audio signal and a second audio signal. ... Qualcomm Incorporated

Cloud-based processing using local device provided sensor data and labels

A method of training a device specific cloud-based audio processor includes receiving sensor data captured from multiple sensors at a local device. The method also includes receiving spatial information labels computed on the local device using local configuration information. ... Qualcomm Incorporated

Memory reduction method for fixed point matrix multiply

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for memory reduction for fixed point matrix multiply on a computing device. The computing device may implement a partial matrix multiplication using a first block of fixed point data of a first matrix and a second block of fixed point data of a second matrix using full precision resulting in a first intermediate result. ... Qualcomm Incorporated

Systems and methods for improved detection of processor hang and improved recovery from processor hang in a computing device

Systems and methods are disclosed for improved processor hang detection. An exemplary method comprises setting a timer with a hang threshold value for each of a plurality of processors of a system on a chip (soc). ... Qualcomm Incorporated

Storage resource management in virtualized environments

Storage resource management in virtualized environments is provided. In this regard, when receiving a request for accessing a target general purpose partition (gpp) in a storage device, partition switching circuitry is configured to determine whether the target gpp equals a current gpp that is accessed by a list of existing requests. ... Qualcomm Incorporated

Priority-based access of compressed memory lines in memory in a processor-based system

Aspects disclosed relate to a priority-based access of compressed memory lines in a processor-based system. In an aspect, a memory access device in the processor-based system receives a read access request for memory. ... Qualcomm Incorporated

Adaptive peripheral component interconnect express link substate initiation for optimal performance and power savings

Systems, methods, and apparatus for adaptively modifying latency times governing entry of a pcie interface into low power states are described. A method performed by a controller of a pcie interface includes determining that a burst of data is being transmitted on a pcie link, configuring a timer to signal when an entry latency period has elapsed after determining that a pcie link has entered an idle state, causing one or more circuits of the pcie interface to enter a low-power state when the timer signals that the entry latency period has elapsed before the pcie link becomes active, and increasing the entry latency period when a number of entries of the pcie interface to the low-power state that occurs during transmission of the burst of data exceeds a threshold maximum number.. ... Qualcomm Incorporated

System and method for intelligent thermal management in a system on a chip having a heterogeneous cluster architecture

Various embodiments of methods and systems for intelligent thermal power management implemented in a portable computing device (“pcd”) are disclosed. To mitigate or alleviate unwanted workload migration that could exacerbate a thermal energy generation event in a processing component having heterogeneous processing core clusters, embodiments of the solution apply mitigation measures in a predetermined order to the large cluster before applying any thermal mitigation measures to the small cluster.. ... Qualcomm Incorporated

Type-c factory and special operating mode support

Systems, methods, and apparatus for testing devices adapted for connection to other devices using universal serial bus (usb) are disclosed. Devices to be tested are caused to enter a special mode of operation when resistance measured at one or more terminals of a usb type-c connector have values associated with the special mode of operation. ... Qualcomm Incorporated

Type-c factory and special operating mode support

Systems, methods, and apparatus for testing devices adapted for connection to other devices using universal serial bus (usb) are disclosed. Devices to be tested are caused to enter a special mode of operation when a resistance measured across two terminals of a usb type-c connector has a value associated with the special mode of operation. ... Qualcomm Incorporated

Wireless power transmission in electric vehicles

Exemplary embodiments are directed to bidirectional wireless power transfer using magnetic resonance in a coupling mode region between a charging base (cb) and a battery electric vehicle (bev). For different configurations, the wireless power transfer can occur from the cb to the bev and from the bev to the cb.. ... Qualcomm Incorporated

Optical measuring device for cardiovascular diagnostics

An optical sensor and a method of using the optical sensor in an optical measuring device that measures cardiovascular properties and compensates for movement artifacts by directing a sheet of light towards an artery. The optical sensor may include one or more light sources, one or more transmit light guides coupled to the one or more light sources and configured to direct light from the one or more light sources as a sheet of light towards an artery, such that the cross-sectional profile of the sheet of light may have a length transverse to a longitudinal direction of the artery that is longer than the diameter of the artery. ... Qualcomm Incorporated

Systems and methods for device communication using adaptive tone plans

Methods and apparatuses for wireless communication according to various tone plans are provided. In one aspect, a method includes determining a first device communicates data within a 40 mhz, 80 mhz, or 160 mhz first frequency range and a second device communicates data within a 20 mhz second frequency range of the first frequency range, selecting first communication parameters for the first device and second communication parameters for the second device based on the determination; and communicating first data with the first device according to the first communication parameters at least partially simultaneously with communicating second data with the second device according to the second communication parameters.. ... Qualcomm Incorporated

Efficient transition between a trusted wlan and a wwan

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may prevent rejected attachment requests when connecting to a trusted wireless local area network (wlan) and from a wireless wide area network (wwan). ... Qualcomm Incorporated

Technique for increasing throughput for channel bonding

Certain aspects of the present disclosure provide methods and apparatus for performing communications using a bonded channel across multiple channels.. . ... Qualcomm Incorporated

Techniques for separate scheduling and grouping in wlan

Apparatuses and methods for separately scheduling and grouping multiple wireless local area network (wlan) users are disclosed. The apparatuses and methods include scheduling, at an access point (ap), multiple wireless stations (stas) associated with the ap; identifying based at least in part on the ranking, a group of stas from the stas for transmission of data over a single orthogonal frequency-division multiple access (ofdma) frame in a wlan; and providing information resulting from scheduling the stas and identifying the group of stas to at least one of the stas. ... Qualcomm Incorporated

Radio frequency spectrum band harmonization

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may be communicating on a radio frequency spectrum band of a first radio access technology (rat) using a set of antennas. ... Qualcomm Incorporated

Load-based techniques for selecting a wireless operating channel in an unlicensed spectrum

Techniques are described for wireless communication at a wireless communication device. One method includes obtaining a plurality of signal strength samples for a first wireless channel during a measurement period; determining a loading parameter of the first wireless channel based at least in part on a distribution of the signal strength samples for the first wireless channel among a set of predefined signal strength bins; and selecting a wireless operating channel based at least in part on the determined loading parameter of the first wireless channel.. ... Qualcomm Incorporated

Narrow-band broadcast/multi-cast design

Nb wireless communication involves numerous challenges. A limited frequency dimension may need to be shared by multiple users. ... Qualcomm Incorporated

Relay for enhanced machine type communication and narrow band-internet of things

Coverage enhancement of an emtc system may be limited if an mtc device switches from transmission mode to reception mode using subframes that may be utilized for transmissions or receptions. The present disclosure provides, among others, a mechanism by which a device may determine a set of valid subframes for use in communicating via a backhaul link, an access link, and/or a direct link. ... Qualcomm Incorporated

Techniques for acknowledging scheduling request transmissions on a contention-based physical uplink shared channel

A method for wireless communication at a user equipment (ue) includes transmitting a scheduling request (sr) transmission in a radio frequency spectrum band on at least one resource of a contention-based physical uplink shared channel (pusch), and monitoring the radio frequency spectrum band for a response to the sr transmission. A method for wireless communication at a network access device includes receiving, from a ue, a sr transmission in a radio frequency spectrum band on at least one resource of a contention-based pusch; determining an availability of uplink resources allocable to the ue; selecting, based at least in part on the determined availability of uplink resources, the response to the sr transmission; and transmitting in the radio frequency spectrum band, to the ue, the selected response to the sr transmission. ... Qualcomm Incorporated

Feedback resource allocation for multiple carriers

Various aspects of the disclosure relate to allocating control signaling resources for multiple carrier scenarios. In an example implementation, n-to-1 mapping is used between forward link control signaling resource allocation indices (e.g., control channel elements) and return link control signaling resources (e.g., for ack/nack signaling) indices in each return link component carrier. ... Qualcomm Incorporated

Power savings for downlink channel monitoring in narrowband systems

Aspects of the present disclosure provide techniques and apparatus for power savings for control channel monitoring for enhanced machine type communications (emtc). In one aspect, a method is provided which may be performed by a wireless device such as a low cost wireless device, which may be user equipment (ue) or an emtc ue. ... Qualcomm Incorporated

Methods and apparatus for resource management for ultra low latency (ull) and legacy transmissions

Certain aspects of the present disclosure relate to methods and apparatus for resource management for ultra low latency (ull) and legacy transmissions. Certain aspects provide a method that can be performed by a user equipment (ue) which may be a ull capable ue. ... Qualcomm Incorporated

Narrow-band broadcast/multi-cast design

Nb wireless communication involves numerous challenges. A limited frequency dimension may need to be shared by multiple users. ... Qualcomm Incorporated

Low latency point to multipoint communication techniques

Techniques for low latency point to multipoint (ptm) communications in a system supporting communications using multiple different transmission time interval (tti) durations are provided. The low latency ptm communications may be supported by one or more physical channels that support ptm communications at shortened tti durations. ... Qualcomm Incorporated

Power control based on sar and/or harq

Certain aspects of the present disclosure provide techniques that may be used to manage transmission power at a ue, for example, based on a specific absorption rate (sar) margin and/or hybrid automatic retransmission request (harq) retransmission count.. . ... Qualcomm Incorporated

Dynamic broadcast time to wake service period allocation

Methods, systems, and devices for wireless communication are described. An access point (ap) may use a combination of broadcast, multicast, and unicast target wake time (twt) procedures to coordinate communications with multiple stations (stas) within a basic service set (bss) based, for example, on the presence of data for particular stas. ... Qualcomm Incorporated

Selective tuning-away in multi-subscription wireless communication device

Embodiments described herein relate to a method of managing communications for a wireless communication device having a first subscriber identity module (sim) associated with a first subscription and a second sim associated with a second subscription, the method including, but not limited to, determining that the first subscription is a default data subscription (dds), deactivating at least one first packet data network (pdn) associated with the second subscription, and communicating via at least one second pdn associated with the second subscription, wherein the at least one first pdn is different from the at least one second pdn.. . ... Qualcomm Incorporated

Detection and reporting of a collision event

Enhanced techniques may be used for identifying and reporting collision-based scenarios. In one example, a wireless modem measures a number of signals received from a number of devices that are located on the same chip as the wireless modem when a physical link between the wireless modem and an accelerometer is broken, the accelerometer is inoperable, or a combination thereof. ... Qualcomm Incorporated

Wwan-wlan aggregation security

One feature pertains to a method for secure wireless communication at an apparatus of a network. The method includes receiving a user equipment identifier identifying a user equipment and a cryptographic key from a wireless wide area network node, and using the cryptographic key as a pairwise master key (pmk). ... Qualcomm Incorporated

Systems and methods for group communication using a mobile device with mode transition based on motion

Methods and systems of communication using a mobile device that include detecting a movement of the mobile device associated with transitioning from speaker phone mode to earpiece mode, or vice versa, and in response to detecting such movement, automatically transitioning the device to a different mode of operation. The detected action may be the motion and/or positioning of the device handset, such as the movement of the handset towards or away from the user's ear, and/or the placement of the handset on a surface in a face-up or face-down position. ... Qualcomm Incorporated

Managing multi-active communication on a multi-subscription multi-standby communication device

Examples include systems and methods for managing multi-active communication on a multi-subscription multi-standby (msms) communication device. The device processor may change a first protocol stack of a first subscription and a second protocol stack of a second subscription of the msms communication device to a multi-active mode in response to determining that all of one or more packet data network connections of the first subscription are transferred to a wi-fi communication link.. ... Qualcomm Incorporated

Apparatus and method for vector-based entropy coding for display stream compression

Methods and apparatus for coding video information having a plurality of video samples are disclosed. Video samples are partitioned into groups for transmission within a single clock cycle, wherein the samples are associated with a bit length b, and a group having a group size k. ... Qualcomm Incorporated

Integrated personal digital assistant device

A mobile computing device is disclosed. In some aspects, the mobile computing device may execute a first application using one or more processors, and may receive, during execution of the first application, a user selection of a shift key. ... Qualcomm Incorporated

Multi-stream interleaving for network technologies

Methods for adding timestamps to packets from data streams in a computing network may include receiving, in a processor in the computing network, a plurality of data streams and building, by the processor a first packet from a first data stream in the plurality of data streams. The processor may further determine a value of a first timestamp for outputting the first packet that satisfies one or more parameters of the first data stream, add the first timestamp to the first packet, and hand over the first packet to a network device in the computing network.. ... Qualcomm Incorporated

Visual biometric authentication supplemented with a time-based secondary authentication factor

Various features pertain to two-factor authentication. A user seeking access to the secure facility or system generates a time-limited quick response (qr) code with his or her smartphone for display on a touchpad screen of the smartphone. ... Qualcomm Incorporated

System, apparatus and method for generating dynamic ipv6 addresses for secure authentication

Apparatus, system and method for authenticating a device for secure network communication. A device may obtain identification data in the device, wherein the identification data is configured as a hash of a public key for identifying at least one of the device and/or a user associated with the device. ... Qualcomm Incorporated

Intelligent equalization for a three-transmitter multi-phase system

An intelligent equalization technique is provided for a three-transmitter system in which mid-level transitions are selectively emphasized and de-emphasized to conserve power and reduce data jitter.. . ... Qualcomm Incorporated

Noise and interference estimation in wireless systems using multiple transmission time intervals

Noise and interference may be estimated at a user equipment (ue) in a system that may support transmissions having different transmission time intervals (ttis). The ue may perform a channel estimation for a first set of transmissions having a first tti based at least in part on an estimated interference from a second set of transmissions having a second tti that is shorter than the first tti. ... Qualcomm Incorporated

Hd-fdd communication having improved peak data rates

The apparatus improves hd-fdd data transmission rates, e.g., for emtc by using a self subframe scheduling pdsch that overlaps a m-pdcch transmission in time. The apparatus may communicate using ack(s)/nack(s) for multiple harqs that are bundled and/or multiplexed within a subframe in order to increase a number of harqs.. ... Qualcomm Incorporated

Demodulation reference signal configuration in a multi-input multi-output wireless communication system

The present methods and apparatus enable transmission of an interlaced reference signal for two ues using a comb structure. In some aspects, the present methods and apparatus may allocate resources and indicate whether a first ue and a second ue are to transmit dm-rs with a comb structure in a single slot based on the allocation. ... Qualcomm Incorporated

Narrowband wireless communications cell search

Methods, systems, and devices for wireless communication are described. A base station may broadcast a synchronization signal using a narrowband portion of a bandwidth of a cell. ... Qualcomm Incorporated

Multiphase preamble data sequences for receiver calibration and mode data signaling

Methods and apparatus are described that facilitate transmission of data, particularly between two devices within an electronic apparatus. In particular, a preamble for transmission in a sequence of symbols over a multi-wire communications interface, such as a mipi c-phy interface, is constructed to include one or more symbols each having a single state transition symbols for signaling a particular calibration preamble from a transmitter to a receiver over the multi-wire communications interface. ... Qualcomm Incorporated

Techniques for detecting a candidate information signal of unknown signal strength using receivers set to different fixed gain states

A method for wireless communication includes monitoring a channel of a radio frequency spectrum band using at least a first receiver and a second receiver in parallel; determining, during the monitoring, at least a first received signal strength of a first receiver output of the first receiver, and a second received signal strength of a second receiver output of the second receiver; and selecting, based on the first received signal strength and the second received signal strength, one or both of the first receiver output or the second receiver output for use in decoding a candidate information signal of unknown signal strength. The first and second receivers are set to first and second fixed gain state providing the first and second receivers with first and second dynamic ranges. ... Qualcomm Incorporated

Technique for reducing responding sector sweep time for millimeter-wave devices

Certain aspects of the present disclosure provide techniques that may help reduce sector sweep time. In some cases, the techniques involve generating frames for transmission during a sector sweep procedure, each frame including an address field being determined based on at least one of a transmitter address of the apparatus or a receiver address of an intended recipient of the generated frames and having fewer bits than at least one of the transmitter address or the receiver address. ... Qualcomm Incorporated

Method and apparatus for adapting wireless power transfer between wireless power protocols

A wireless power transfer adapter is provided. The wireless power transfer adapter comprises a receive coil configured to receive wireless power from a wireless power transmitter at a first frequency associated with a first wireless power protocol of a plurality of wireless power protocols. ... Qualcomm Incorporated

Visibility information modification

In an example, a method for rendering a 3-d scene of graphical data into a 2-d scene may include dividing 2-d space used to represent the 3-d scene from a viewpoint into a plurality of tiles. The 3-d scene may include a plurality of primitives. ... Qualcomm Incorporated

Action localization in sequential data with attention proposals from a recurrent network

A method generates bounding-boxes within frames of a sequence of frames. The bounding-boxes may be generated via a recurrent neural network (rnn) such as a long short-term memory (lstm) network. ... Qualcomm Incorporated

Video analysis with convolutional attention recurrent neural networks

A method of processing data within a convolutional attention recurrent neural network (rnn) includes generating a current multi-dimensional attention map. The current multi-dimensional attention map indicates areas of interest in a first frame from a sequence of spatio-temporal data. ... Qualcomm Incorporated

Systems and methods for normalizing an image

A method for normalizing an image by an electronic device is described. The method includes obtaining an image including a target object. ... Qualcomm Incorporated

Recurrent networks with motion-based attention for video understanding

A method of predicting action labels for a video stream includes receiving the video stream and calculating an optical flow of consecutive frames of the video stream. An attention map is generated from the current frame of the video stream and the calculated optical flow. ... Qualcomm Incorporated

System and method for ram capacity optimization using rom-based paging

Various embodiments of methods and systems for memory paging in a system on a chip (“soc”) are disclosed. An exemplary method includes identifying a subset of a baseline data image stored in a secondary storage device and determining that a revision data image requires an update of the subset. ... Qualcomm Incorporated

Multi-rank collision reduction in a hybrid parallel-serial memory system

Systems, methods, and computer programs are disclosed for allocating memory in a hybrid parallel/serial memory system. One method comprises configuring a memory address map for a multi-rank memory system with a dedicated serial access region in a first memory rank and a dedicated parallel access region in a second memory rank. ... Qualcomm Incorporated

Dynamic and configurable user interface

In some embodiments, a method for generating a mobile device's user interface is provided. The method may include: receiving, via the mobile device, input from a user of the mobile device, the input being related to a property for presenting dynamic context-dependent informational cues; determining a context; identifying a subset of a set of informational cues, the subset being associated with the context; and predominately presenting, via the mobile device, the identified subset to the user, the presentation being predominate as compared to any presentation of other informational cues in the set of informational cues, wherein the presentation accords with the received user input.. ... Qualcomm Incorporated

Systems and methods for determining a sustained thermal power envelope comprising multiple heat sources

Various embodiments of systems and methods are disclosed for determining a thermal power envelope. One method comprises determining a set of component and operating point combinations for a plurality of components in a portable computing device. ... Qualcomm Incorporated

Packet extensions for ranging operations

This disclosure provides systems, methods and apparatuses for performing ranging operations between wireless devices. In some implementations, wireless devices can exchange ranging packets that include packet extensions containing a plurality of long training fields (ltfs). ... Qualcomm Incorporated

Method and apparatus for positioning a vehicle

Methods and apparatus are discloses for position a vehicle. In one aspect, an apparatus for positioning a vehicle is provided. ... Qualcomm Incorporated

System architecture for medical implant

Aspects of the subject matter described in this disclosure can be implemented in an implant device capable of being configured by an external hospital interrogator device when the external hospital interrogator device is authenticated, and capable of communicating data regarding a patient when paired with an external home interrogator device. The implant device includes rf communications circuitry, one or more sensors configured to measure and/or collect data regarding the patient, and a control system. ... Qualcomm Incorporated

Ftm protocol enhancements to support sbs/dbs mode

This disclosure provides systems, methods and apparatuses for performing ranging operations between a transmitting device and one or more receiving devices using one or more wireless channels. In some implementations, a transmitting device may substantially concurrently exchange, on each of a plurality of wireless channels, a corresponding set of ftm frames and acknowledgement (ack) frames with a receiving device, and then determine a distance to the receiving device based on the plurality of exchanged sets of ftm and ack frames. ... Qualcomm Incorporated

Techniques for selecting a channel for wireless communication based on channel clustering

Techniques are described for wireless communication. A method for wireless communication at a wireless device includes comparing a count of channels used by a group of neighboring cells to a maximum number of channels allowed for use by the group of neighboring cells; identifying a channel list based at least in part on the comparing, where the identified channel list is based at least in part on a list of candidate channels allowed for use by a wireless communication system or a list of the channels used by the group of neighboring cells; and selecting a channel for wireless communication from the identified channel list.. ... Qualcomm Incorporated

Wireless communication enhancements for relative motion between a transmitting device and a receiving device

A method, device, and system for managing wireless communications between a transmitting device and a receiving device including adjusting a size of a frame to be transmitted in response to determining that a potential degradation in reception of information within the frame to be transmitted due to relative motions of the transmitting device and the receiving device is likely to cause packet error rates of sub-frames within the frame to be transmitted to exceed a first packet error rate threshold value.. . ... Qualcomm Incorporated

System and methods for avoiding call performance degradation in a wireless communication device

Methods and systems improve performance of a wireless communication device supporting an active communication in a first network on a modem stack associated with a first subscriber identity module. The wireless communication device may detect that a control signal was received on the modem stack associated with the first sim, identify a percentage of scheduled uplink feedback corresponding to the control signal received on the modem stack associated with the first sim that will be transmitted on the first network, and determine whether determining whether the identified percentage is less than a threshold. ... Qualcomm Incorporated

Lte channel access over unlicensed bands

Methods, systems, and devices are described for wireless communications. In one method, a clear channel assessment (cca) may be performed at a base station to determine availability of an unlicensed spectrum. ... Qualcomm Incorporated

Synchronization for standalone lte broadcast

Aspects of the present disclosure relate to wireless communications and, more particularly, to synchronization for standalone long term evolution (lte) broadcast. In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (ue). ... Qualcomm Incorporated

Carrier prioritization for tune-away

Aspects of the present disclosure relate to performing a tune-away from a first radio access technology (rat) to a second rat. These techniques include, for example, a method in which one or more radio resources of a user equipment are tuned away from the first rat (e.g., lte technology) to the second rat (e.g., legacy 2g/3g technology and/or wi-fi or bluetooth technology). ... Qualcomm Incorporated

Technique for over-the-air non-linearity estimation

Systems and methods are provided for estimating non-linearity of a transmitter, a receiver or both based on measurements and/or feedback. The estimation of the non-linearity may be used at the transmitter, the receiver or both to tune one or more components to reduce non-linearity. ... Qualcomm Incorporated

Secure fine timing measurement exchange

Techniques for providing a secure fine timing measurement (ftm) exchange between two wireless transceivers are disclosed. An example of a method according to the disclosure include transmitting a protected ftm range request message with a dialog token of a ftm frame, receiving a protected ftm range report message from a station, wherein the protected ftm range report message includes ftm information, and authenticating the station based at least in part on the ftm information included in the protected ftm range report message.. ... Qualcomm Incorporated

Irregular-region based automatic image correction

Methods and apparatuses for irregular-region based automatic image correction are disclosed. In one aspect, the method is operable by an imaging device including a touch sensor, for performing image correction. ... Qualcomm Incorporated

Methods and systems for generating color remapping information supplemental enhancement information messages for video

Systems, methods, and computer readable media are described for providing improved color remapping. In some examples, a video bitstream is obtained that includes a plurality of pictures having a first color characteristic. ... Qualcomm Incorporated

Apparatus and method for transmitting single channel, bonded channel, and mimo ofdm frames with fields to facilitate agc, timing, and channel estimation

Disclosed is an apparatus for wireless communications. The apparatus includes a processing system configured to generate a single-channel frame, a bonded channel frame, or a mimo channel frame. ... Qualcomm Incorporated

Method for robust phase-locked loop design

Systems, methods, and apparatus are disclosed that that can improve robustness of digital phase locked loop (pll) circuits. A method performed by a clock generation device includes generating a plurality of phase-shifted signals, each of the plurality of phase-shifted signals having a phase shift with respect to a base clock signal that is unique within the plurality of phase-shifted signals, selecting a first phase-shifted signal as an output signal, generating a first phase control word indicative of a second phase-shifted signal when the second signal has a closer phase relationship with a reference signal than the first signal, refraining from selecting the second signal as the output signal while either of the first signal and the second signal is in a first signaling state, and selecting as the output signal, the second signal when the first signal and the second signal are in a second signaling state.. ... Qualcomm Incorporated

Low-area low clock-power flip-flop

In one example, the apparatus includes a first and gate, a second and gate, a first nor gate, a second nor gate, a third nor gate, a first inverter, and a second inverter. The first and gate output is coupled to the first nor gate first input. ... Qualcomm Incorporated

Adjust voltage for thermal mitigation

Apparatuses and methods to adjust voltage for thermal mitigation are provided. The apparatus includes a circuit, a plurality of switches configured to provide power of a power domain to the circuit, a plurality of thermal sensors disposed at different locations about the circuit and configured to detect temperatures at the different locations, and a control circuit configured to determine that one of the detected temperatures at one of the locations exceeds a temperature threshold, and in response, adjust one or more of the plurality of switches in proximity with the one location to reduce power provided to the circuit. ... Qualcomm Incorporated

Systems and methods for linearizing operation of a power amplifier

A circuit including a power amplifier having a control terminal configured to control an output level of the power amplifier, a bias circuit in communication with the control terminal, the bias circuit including a tunable plurality of diodes in series configured to supply a bias voltage to the control terminal, and a control circuit in communication with the bias circuit configured to tune the plurality of diodes in series to create the bias voltage in response to a supply voltage of the amplifier.. . ... Qualcomm Incorporated

Systems and methods for compensating for variation in an amplitude-regulated oscillator

Circuits and methods for compensating variation in an amplitude-regulated oscillator are provided. In one example, the oscillator includes a diode clamp having back-to-back diode-connected transistors with body terminals. ... Qualcomm Incorporated

Variable frequency rc oscillator

An oscillator circuit having a programmable output frequency may include a first delay section having a negative gain and a variable delay that is set by a control signal provided to the first delay section. A second delay section having a negative gain and a fixed delay may be connected in series with the first delay section. ... Qualcomm Incorporated

System and method for facilitating avoidance of wireless charging cross connection

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

High frequency multi-level rectification

A multi-level rectifier is presented that is suitable for use at high frequencies, including into mhz range such as in the 6.78 mhz band used for wireless power transfer. To maintain the proper timing or switching waveform when operating at high frequencies, a feedback loop is used. ... Qualcomm Incorporated

Multi-impedance rectification for wireless power transfer

A multi-level rectifier is presented that is suitable for use at high frequencies, including into mhz range such as in the 6.78 mhz band used for wireless power transfer. Depending on the amplitude of the input waveform, the rectifier can be operated in different modes. ... Qualcomm Incorporated

Sensor device

Embodiments of a sensor device and methods for manufacturing the same are disclosed. In one embodiment, a sensor device comprises a piezoelectric micromechanical ultrasonic transducer (pmut) array configured to transmit and receive ultrasonic signals, where the pmut array comprises a plurality of pmuts and the pmut array is flexible, one or more integrated circuits configured to process the ultrasonic signals, a battery configured to provide power to the pmut array and the one or more integrated circuits, a coupling material configured to hold the pmut array, the one or more integrated circuits, and the battery, and a capsule configured to seal the pmut array, the one or more integrated circuits, the battery and the coupling material within the capsule.. ... Qualcomm Incorporated

Magnetic coupling and cancellation arrangement

An inductor arrangement comprises a first inductor formed on a substrate, a second inductor formed on the substrate, a first loop formed on the substrate adjacent to the first inductor and a phasing network connected to the first loop which is arranged to receive an input signal representative of a flow of magnetic flux through the second inductor and to apply a first current to the first loop for generating a flow of magnetic flux for reducing magnetic coupling between the second inductor and the first inductor. A second loop can be formed on the substrate adjacent to the second inductor which is arranged to generate a second current in response to a flow of magnetic flux through the second loop, with the second current being the signal representative of a flow of magnetic flux through the second inductor.. ... Qualcomm Incorporated

Voice profile management and speech signal generation

A device includes a receiver, a memory, and a processor. The receiver is configured to receive a remote voice profile. ... Qualcomm Incorporated

User-controllable screen privacy software

The disclosure relates to software that provides fine-grained user control over when and how a software-based privacy filter is used to reduce clarity and/or visibility associated with content rendered on a display screen. For example, according to various aspects, the software may have access to the display screen and various other components that can be used to detect and/or track a current context associated with information displayed on the screen. ... Qualcomm Incorporated

Methods and apparatus for packet-based validation of control-flow transfers for hardware control-flow enforcement

Disclosed are methods and apparatus for packet based validation of control flow transfers for hardware control-flow enforcement. The methods and apparatus achieve control-flow validation through the determination of a first identifier for a source packet that implements a jump, where the determination is based on a computation using contents within the source packet itself. ... Qualcomm Incorporated

Multiprotocol i3c common command codes

System, methods and apparatus offer improved performance for a communication interface that provides for the coexistence of devices on a serial bus. A bus master coupled to a serial bus configures a transceiver for communicating on the serial bus when the serial bus is operated in a high data rate mode of operation on the serial bus, and while the serial bus is operated in the high data rate mode of operation, transmits a first command addressed to an invalid slave device address, and transmits a second command addressed to a valid slave device address. ... Qualcomm Incorporated

Write-allocation for a cache based on execute permissions

Systems and methods for managing access to a cache relate to determining one or more execute permissions associated with a write-address of a write-request to the cache. The cache may be a unified cache for storing data as well as instructions. ... Qualcomm Incorporated

Self-healing coarse-grained snoop filter

The disclosure relates to filtering snoops in coherent multiprocessor systems. For example, in response to a request to update a target memory location at a level-2 (l2) cache shared among multiple local processing units each having a level-1 (l1) cache, a lookup based on the target memory location may be performed in a snoop filter that tracks entries in the l1 caches. ... Qualcomm Incorporated

Method and apparatus for optimized execution using resource utilization maps

Systems and methods enable displaying a graphical representation of system resource usage in a resource utilization map to inform users about system resource utilization by applications and processes running on a computing device. Users may provide inputs to enable the system to adjust resource allocations based on user preferences. ... Qualcomm Incorporated

Power saving techniques for memory systems

Power saving techniques for memory systems are disclosed. In particular, exemplary aspects of the present disclosure contemplate taking advantage of patterns that may exist within memory elements and eliminating duplicative data transfers. ... Qualcomm Incorporated

Ultra-fast autonomous clock monitoring circuit for safe and secure automotive applications

Various aspects include a clock monitoring unit/component that is configured to repeatedly/continuously monitor a clock with the speed required to support automobile automation systems without the use of a reference clock. The clock monitoring unit/component may be configured to identify, report, and/or respond to variations or abnormalities in the monitored clock, and initiate an action to prevent the variation from causing or resulting in a failure or a vulnerability to attack. ... Qualcomm Incorporated

Crystal-less clock that is invariant with process, supply voltage, and temperature

A method of generating a bandgap voltage in an electronic circuit includes generating a bandgap current. The method further includes operating the electronic circuit using the bandgap voltage and the bandgap current. ... Qualcomm Incorporated

Multiple input multiple output regulator controller system

Circuit techniques control multiple regulator circuits. Regulator circuits are configured to time share voltage control circuitry. ... Qualcomm Incorporated

Power supply voltage priority based auto de-rating for power concurrency management

Particular embodiments include logic that can reduce an voltage output of a regulator to multiple subsystems in response to detecting high power conditions in an electronic device. When the power being monitored goes up, the logic detects the increase in power. ... Qualcomm Incorporated

Phase angle determination of ac signals

Methods and circuitry are disclosed to produce a first signal representative of the ac voltage signal and a second signal representative of an ac current signal. The first and second signals may be combined with a clock signal to produce a third signal. ... Qualcomm Incorporated

Methods and apparatuses for use in route navigation involving a mobile station

Techniques are provided which may be implemented using various methods and/or apparatuses to allow for delay zone information to be gathered by one or more mobile stations used in route navigation, provided to one or more computing devices and processed in some manner to establish navigation information that may be of use by mobile stations involved in route navigation. For example, in certain instances navigation information may be indicative of an expected delay with regard to at least one known delay zone that may affect a user of the mobile station attempting to adhere to a route.. ... Qualcomm Incorporated

Flexible pmut array

Embodiments of a flexible pmut array and methods for manufacturing the same are disclosed. In one embodiment, a piezoelectric micromechanical ultrasonic transducer (pmuts) array comprises a plurality of pmuts, where each pmut in the flexible array of pmuts includes: a first polymer layer configured to support the pmut, a mechanical layer configured to provide planarization to the pmut, a first electrode, a second electrode, a piezoelectric layer configured to separate the first electrode and the second electrode, patterns on the first electrode, the piezoelectric material, and the second electrode configured to route electrical signals, and a cavity configured to adjust a frequency response of the pmut.. ... Qualcomm Incorporated

Positioning protocol, positioning capability and position method identification in supl

A method includes: receiving a request at a secure user plane location (supl) location platform (slp) for location-related service; producing a positioning method supl message that includes a posmethod parameter that includes a positioning protocol indicator indicating that set capability transfer and positioning method selection are to be conducted in a positioning protocol layer; and sending the positioning method supl message from the slp to a supl enabled terminal (set) using a supl user plane location protocol (ulp).. . ... Qualcomm Incorporated

Discovery reference signal transmission window detection and discovery reference signal measurement configuration

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may monitor a neighbor cell and report the result to a serving base station. ... Qualcomm Incorporated

Increasing capacity in wireless communications

Techniques to increase the capacity of a w-cdma wireless communications system. In an exemplary embodiment, early termination of one or more transport channels on a w-cdma wireless communications link is provided. ... Qualcomm Incorporated

Discovery reference signal transmission window detection and discovery reference signal measurement configuration

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may monitor a neighbor cell and report the result to a serving base station. ... Qualcomm Incorporated

Unicast and broadcast protocol for wireless local area network ranging and direction finding

Disclosed embodiments pertain to a first sta may broadcast a first null data packet announcement (ndpa) frame with an indication of one or more second stas being polled. Subsequent to the first ndpa frame, a null data packet (ndp) frame may be broadcast from a plurality of antennas on the first sta and one or more corresponding first fine timing measurement (ftm) frames may be received in response. ... Qualcomm Incorporated

Control plane location solution to support wireless access

Techniques for supporting a control plane solution for location services and positioning are described. In an aspect, an evolved serving mobile location center (e-smlc) may communicate with a mobility management entity (mme) to support location services and positioning for a ue. ... Qualcomm Incorporated

Estimating frequency error with beacon transmissions

Estimation of frequency error is disclosed through use of beacon or preamble transmissions. A base station transmits one or more preamble tones at predetermined frequencies using all allocated transmission power associated with the transmission bandwidth for the one or more preamble tones. ... Qualcomm Incorporated

Mobile device with multiple wifi interfaces

A mobile device with multiple wifi transceivers and a method of using the same are disclosed. The mobile device may include at least two separate wifi transceivers and at least two separate wifi stacks, each of the wifi stacks is coupled to one of the transceivers to enable separate control and concurrent use of the wifi transceivers. ... Qualcomm Incorporated

Methods and apparatus for adaptive measurement configuration selection in a vehicular device

Certain aspects of the present disclosure relate to methods and apparatus for adaptive antenna switching for measurements, for example, in high gain automotive devices. According to certain aspects, a method is provided herein for wireless communications. ... Qualcomm Incorporated

Unicast and broadcast protocol for wireless local area network ranging and direction finding

Disclosed embodiments facilitate wireless channel calibration, ranging, and direction finding, between networked devices. A method on a first station (sta) may comprise: broadcasting, at a first time, a first ndpa frame to a plurality of second stas. ... Qualcomm Incorporated

Independent multi-resolution coding

In one example, a device for retrieving video data includes a display interface coupled to a display, a memory configured to store video data, and one or more processors configured to determine a plurality of regions of video data to be displayed via the display, retrieve video data having a first quality for a first subset of the plurality of regions at which a visual focus of a user is directed, retrieve video data having a second quality for a second subset of the plurality of regions that neighbor the first subset of the plurality of regions, wherein the second quality is lower than the first quality, and retrieve video data having a third quality for a third subset of the plurality of regions that is outside the first subset and the second subset, wherein the third quality is lower than the second quality.. . ... Qualcomm Incorporated

Method and apparatus for supporting location services via a home node b (hnb)

Techniques for supporting location services for a base station such as a home node b (hnb) and its user equipments (ues) are disclosed. In an aspect, location services may be supported for a ue by having an hnb inter-work between user plane and control plane location solutions. ... Qualcomm Incorporated

Unicast and broadcast protocol for wireless local area network ranging and direction finding

Disclosed embodiments facilitate wireless channel calibration, including ranging and direction finding, between wirelessly networked devices. In some embodiments. ... Qualcomm Incorporated

Soundwire xl turnaround signaling

System, methods and apparatus are described that improve link turnaround performance in a differentially driven link. A method performed at a first device coupled to a two-wire serial link includes transmitting from the first device first differentially-encoded data to a second device over the two-wire serial link during a first time period, receiving at the first device second differentially-encoded data from the second device over the two-wire serial link during a second time period, and driving by the first device both wires of the two-wire serial link to a common voltage level during a third time period, the third time period spanning a link turnaround period between the first time period and the second time period. ... Qualcomm Incorporated

Implicitly linking aperiodic channel state information (a-csi) reports to csi-reference signal (csi-rs) resources

Certain aspects of the present disclosure provide techniques for implicitly linking aperiodic channel state information (a-csi) reports to csi-reference signal (csi-rs) resources. In an aspect, the ue may be instructed to report on specific csi-rs resource(s) via explicit signaling in the ue grant. ... Qualcomm Incorporated

Audio amplifiers

Certain aspects of the present disclosure provide amplifiers. Certain aspects of the present disclosure provide methods and apparatus for protecting an such amplifiers, for example an audio amplifier, or a delta-sigma modulator from saturation. ... Qualcomm Incorporated

Dynamic volume management in audio amplifiers

Certain aspects of the present disclosure provide an amplifier for signal amplification. Certain aspects further describe methods and apparatus for applying overload protection for such amplifier. ... Qualcomm Incorporated

Dynamic dead time management

Certain aspects of the present disclosure provide methods and apparatus for dynamically managing the dead time between turning on output power stage transistors in amplifiers, such as audio amplifiers. One example method of operating an amplifier generally includes generating a drive signal based on an input signal; amplifying the drive signal by alternatively driving a first transistor and a second transistor with a time between deactivating the first transistor and activating the second transistor; and adjusting the time based on a parameter of the input signal or the drive signal, during the amplifying. ... Qualcomm Incorporated

Start node determination for tree traversal for shadow rays in graphics processing

At least one processor may organize a plurality of primitives of a scene in a hierarchical data structure, wherein a plurality of bounding volumes are associated with a plurality of nodes of the hierarchical data structure. The at least one processor may rasterize a representation of each of the plurality of bounding volumes to an off-screen render target in the memory. ... Qualcomm Incorporated

Single pass bounding volume hierarchy rasterization

A render output unit running on at least one processor may receive a source pixel value to be written to a pixel location in a render target, wherein the source pixel value is associated with a source node in a hierarchical structure. The render output unit may receive a destination pixel value of the pixel location in the render target, wherein the destination pixel value is associated with a destination node in the hierarchical structure. ... Qualcomm Incorporated

Using image segmentation technology to enhance communication relating to online commerce experiences

Various aspects and embodiments described herein may use image segmentation technology to enhance communication relating to user-to-user online commerce. Image segmentation technology may be applied to a digital image that a sharing user posts in an online venue to identify one or more segments in the digital image depicting one or more items and one or more tags may be associated with the item(s) depicted in each segment. ... Qualcomm Incorporated

System and method for improved memory performance using cache level hashing

Various embodiments of methods and systems for cache-level memory management in a system on a chip (“soc”) are disclosed. Memory utilization is optimized in certain embodiments through application of customized hashing algorithms at the lower level cache of individual application clients. ... Qualcomm Incorporated

Adaptive access control for hardware blocks

System and method for providing adaptive access to a hardware block on a computer system. In one embodiment, a method includes receiving a first access request and a second access request with an access controller, wherein the second access request is received sequentially after the first access request, and the first access request includes a first master identification and the second access request includes a second master identification, determining if the second master identification is equal to the first master identification, providing access to the second access request if the second master identification is equal to the first master identification, wherein the first master identification is associated with one or more hardware block interface values, invalidating the one or more hardware block interface values associated with the first master identification if the second master identification is not equal to the first master identification, and associating the one or more hardware block interface values with the second master identification and a corresponding privilege.. ... Qualcomm Incorporated

Dynamic pipeline throttling using confidence-based weighting of in-flight branch instructions

Systems and methods for operating a processor include determining confidence levels, such as high, low, and medium confidence levels, associated with in-flight branch instructions in an instruction pipeline of the processor, based on counters used for predicting directions of the in-flight branch instructions. Numbers of in-flight branch instructions associated with each of confidence levels are determined. ... Qualcomm Incorporated

Bandwidth reduction for instruction tracing

Systems and methods pertain to reducing bandwidth of instruction tracing for a processor, using an embedded trace macrocell (etm). Packets, which include trace information for load/store instructions executed in the processor, are generated. ... Qualcomm Incorporated

Combining loads or stores in computer processing

Aspects disclosed herein relate to combining instructions to load data from or store data in memory while processing instructions in processors. An exemplary method includes detecting a pattern of pipelined instructions to access memory using a first portion of available bus width and, in response to detecting the pattern, combining the pipelined instructions into a single instruction to access the memory using a second portion of the available bus width that is wider than the first portion. ... Qualcomm Incorporated

Collimating light emitted by a fiber via an array of lenslets on a curved surface

An embodiment is directed to an optical element arrangement including at least one optical element. A first optical element includes a fiber and a curved surface. ... Qualcomm Incorporated

Methods and systems for a ranging protocol

Disclosed are methods, systems and devices for obtaining a range between devices based, at least in part, on an exchange of wireless messages. For example, wireless devices may obtain measurements of range based, at least in part, on an exchange fine timing measurement (ftm) messages. ... Qualcomm Incorporated

Piezoelectric micromechanical ultrasonic transducers and transducer arrays

An apparatus may include one or more segmented piezoelectric micromechanical ultrasonic transducer (pmut) elements. Each segmented pmut element may include a substrate, an anchor structure disposed on the substrate and a membrane disposed proximate the anchor structure. ... Qualcomm Incorporated

Communication of uplink control information

Various aspects of the disclosure relate to communicating uplink control information. As one example, a user equipment may send uplink control information to a base station. ... Qualcomm Incorporated

Communication of uplink control information

Various aspects of the disclosure relate to communicating uplink control information. As one example, a user equipment may send uplink control information to a base station. ... Qualcomm Incorporated

Communication of uplink control information

Various aspects of the disclosure relate to communicating random access information and uplink control information. In some aspects, a user equipment (ue) or other suitable apparatus transmits physical uplink control channel (pucch) information concurrently with random access channel (rach) information transmitted by another ue or other apparatus. ... Qualcomm Incorporated

Access point guided reuse

Methods, systems, and devices for wireless communication are described. A wireless device may receive a configuration message that includes overlapping basic service set (obss) coordination parameters. ... Qualcomm Incorporated

Systems and methods for prioritizing channel scanning

A method for bluetooth low energy (ble) advertising channel assessment by a wireless communication device is described. The method includes detecting interference on one or more of a plurality of ble advertising channels. ... Qualcomm Incorporated

Ftm protocol with selectable acknowledgement format

Apparatuses and methods are disclosed that may perform ranging operations between a first device and a second device. The second device transmits an ftm request frame indicating a number of supported non-legacy ack frame formats, and receives a first ftm frame indicating capabilities of the first device to receive each of the non-legacy ack frame formats supported by the second device. ... Qualcomm Incorporated

Techniques for handling data stall in wlan

Aspects of the present disclosure describe various techniques for handling data stall in wireless local area networks (wlans). These techniques include, for example, a method in which wireless communications are switched at a wireless station from a first network device associated with a first radio access technology (rat) (e.g., wlan technology) to a second network device associated with a second rat (e.g., wireless wide area network (wwan) technology). ... Qualcomm Incorporated

Enabling device-to-device discovery

Methods, systems, and devices are describe for signaling protocols for device-to-device discovery operations in a wireless communication system. A user equipment (ue) may be communicating with a serving base station using a first frequency in a first frequency band. ... Qualcomm Incorporated

Method and apparatus for supporting location services via a home node b (hnb)

Techniques for supporting location services for a home node b (hnb) and its user equipments (ues) are disclosed. In an aspect, location services may be supported for a ue by having an hnb inter-work between user plane and control plane location solutions. ... Qualcomm Incorporated

Weighted prediction for screen content coding and multi-layer coding

A device for coding multi-layer video data is configured to determine a picture order count (poc) value for a current picture; determine a poc value for a reference picture; determine a layer identification (id) value for the current picture; determine a layer id value for the reference picture; conditionally receive a flag indicating whether weighted prediction is enabled or disabled by receiving the flag in response to at least one of two conditions being true and not receive the flag in response to the two conditions being false, the two conditions being (1) the poc value of the current picture is not equal to the poc value of the reference picture, and (2) the layer id value for the current picture is not equal to the layer id value for the reference picture.. . ... Qualcomm Incorporated

Apparatus and method for securely connecting to a remote server

A method for securely connecting to a remote server that provides improved internet security. In the method, a client receives a request to connect to a remote server associated with a domain name. ... Qualcomm Incorporated

Coding scheme for a wireless communication system

Coding techniques for a (e.g., ofdm) communication system capable of transmitting data on a number of “transmission channels” at different information bit rates based on the channels' achieved snr. A base code is used in combination with common or variable puncturing to achieve different coding rates required by the transmission channels. ... Qualcomm Incorporated

Dynamic cyclic prefix (cp) length

Methods, systems, and devices for wireless communication are described. A wireless device may communicate using a dynamic cyclic prefix (cp) length to reduce communications overhead. ... Qualcomm Incorporated

Using update slot to synchronize to bluetooth le isochronous channel and communicate state changes

According to various aspects, an isochronous channel may include an update slot in which a source device may schedule a transmission to broadcast control information to one or more sink devices. As such, a sink device may initially listen to a periodic advertising stream to receive synchronization information to acquire or re-acquire the isochronous channel and subsequently synchronize to the isochronous channel according to state information that the source device conveys in the update slot.. ... Qualcomm Incorporated

Light-based communication processing

Disclosed are methods, devices, systems, media, and other implementations that include a method to process a light-based communication, including providing a light-capture device with one or more partial-image-blurring features, and capturing at least part of at least one image of a scene, that includes at least one light source emitting the light-based communication, with the light-capture device including the one or more partial-image-blurring features. The partial-image-blurring features are configured to cause a blurring of respective portions of the part of the captured image affected by the partial-image-blurring features. ... Qualcomm Incorporated

Methods and systems for frequency multiplexed communication in dense wireless environments

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

Apparatus and method for full-dimensional mimo with one-dimensional csi feedback

Methods and corresponding apparatuses for wireless communication are disclosed. The method for wireless communication includes dividing a two-dimensional antenna array to a plurality of sub-arrays, mapping the two-dimensional antenna array into a one-dimensional vertical channel state information reference signal (csi-rs) port array for receiving elevation csi feedback and a one-dimensional horizontal csi-rs port array for receiving azimuth csi feedback, and transmitting one or more elevation csi-rs from the one-dimensional vertical csi-rs port array and one or more azimuth csi-rs from the one-dimensional horizontal csi-rs port array. ... Qualcomm Incorporated

Multi-layer beamforming in millimeter-wave multiple-input/multiple-output systems

Methods, systems, and devices for wireless communication are described. A base station may identify two (or more) beamforming directions associated with simultaneous communications to a set of receivers. ... Qualcomm Incorporated

Current steering phase control for cml circuits

The present disclosure describes current steering phase control for current-mode logic (cml) circuits. In some aspects, a circuit for frequency division comprises a current sink connected to a ground rail. ... Qualcomm Incorporated

Wide-band voltage-controlled oscillator (vco) with switched inductor circuit

Certain aspects of the present disclosure generally relate to a voltage-controlled oscillator (vco) that is configurable (e.g., in a dynamic manner) in multiple modes of operation (e.g., low/high-band modes). The vco may include a resonant circuit coupled to a plurality of switches that may be used to adjust current flow within one or more inductive elements of the resonant circuit. ... Qualcomm Incorporated

Devices, systems, and methods for adjusting output power using synchronous rectifier control

Methods and apparatus are disclosed for wirelessly receiving power. In one aspect, an apparatus for wireless receiving power is provided. ... Qualcomm Incorporated

Dual resonator antennas

A dual resonator antenna device may include a ground plane positioned adjacent a substrate and may include a first aperture and a second aperture exposing the substrate therethrough. The device may also include an antenna feed positioned in the first aperture. ... Qualcomm Incorporated

Vertical semiconductor device with thinned substrate

A vertical semiconductor device (e.g. A vertical power device, an igbt device, a vertical bipolar transistor, a umos device or a gto thyristor) is formed with an active semiconductor region, within which a plurality of semiconductor structures have been fabricated to form an active device, and below which at least a portion of a substrate material has been removed to isolate the active device, to expose at least one of the semiconductor structures for bottom side electrical connection and to enhance thermal dissipation. ... Qualcomm Incorporated

Fan-out wafer-level packages with improved topology

A fan-out wafer-level-process integrated circuit is provided in which a plurality of interconnects couple to pads on an encapsulated die. The interconnects have a pad-facing surface that couples to a corresponding pad through a seed layer. ... Qualcomm Incorporated

System and method of analyzing audio data samples associated with speech recognition

A particular apparatus includes a first buffer that is configured to store multiple audio data samples and a second buffer that is configured to store the multiple audio data samples. The first buffer is coupled to a first processor that is configured to analyze audio data samples to detect a keyword. ... Qualcomm Incorporated

Systems and methods for restricting drone airspace access

Methods, systems, and devices are disclosed for providing conditional access for a drone for accessing a restricted area. Conditional access information associated with conditional access restrictions for the restricted area may be received by the drone. ... Qualcomm Incorporated

Multi-step texture processing with feedback in texture unit

Techniques are described for using a texture unit to perform operations of a shader processor. Some operations of a shader processor are repeatedly executed until a condition is satisfied, and in each execution iteration, the shader processor accesses the texture unit. ... Qualcomm Incorporated

Uniform predicates in shaders for graphics processing units

A method for processing data in a graphics processing unit including receiving an indication that all threads of a warp in a graphics processing unit (gpu) are to execute a same branch in a first set of instructions, storing one or more predicate bits in a memory as a single set of predicate bits, wherein the single set of predicate bits applies to all of the threads in the warp, and executing a portion of the first set of instructions in accordance with the single set of predicate bits. Executing the first set of instructions may include executing the first set of instruction in accordance with the single set of predicate bits using a single instruction, multiple data (simd) processing core and/or executing the first set of instruction in accordance with the single set of predicate bits using a scalar processing unit.. ... Qualcomm Incorporated

Providing scalable dynamic random access memory (dram) cache management using dram cache indicator caches

Providing scalable dynamic random access memory (dram) cache management using dram cache indicator caches is provided. In one aspect, a dram cache management circuit is provided to manage access to a dram cache in high-bandwidth memory. ... Qualcomm Incorporated

Semantically sensitive code region hash calculation for programming languages

Herein disclosed is an optimization for a compiler, the optimization configured to assign numeric values, or semantic fingerprints, to portions of code, and to combine these fingerprints to arrive at fingerprints for larger and larger portions of code. The fingerprints can be provided to various consumers such as code redundancy optimization modules and copyright violation and malware/virus identification modules. ... Qualcomm Incorporated

Code-size aware function specialization

A method for compiling software code comprises scanning call sites within the code to identify a function that is called with at least one constant argument and creating a list of each call site associated with the function and sets of constant arguments passed to the function. If any common subsets of the constant arguments are shared across a plurality of call sites, a size of the function is estimated. ... Qualcomm Incorporated

Process data binning for memory swapping

A method for using volatile and non-volatile computer memory may comprise dividing at least a portion of the non-volatile computer memory into a plurality of bins, wherein each bin comprises a plurality of contiguous blocks of physical memory in the non-volatile memory. The method may further comprise assigning one or more processes to each of the plurality of bins, storing a process id with metadata of a page belonging to the one or more processes, matching the page to one of the plurality of bins based on the process id, and writing the page to a matched one of the plurality of bins.. ... Qualcomm Incorporated

Automatic failure identification and failure pattern identification within an ic wafer

Embodiments described herein provide a method for identifying failure patterns in electronic devices. The method begins when a limit is determined for a parameter of interest. ... Qualcomm Incorporated

Pulse validation

Various embodiments identify valid arterial pulses of a subject. The method may include accessing one or more measured pulses from one or more arterial measurement sensors. ... Qualcomm Incorporated

Blood pressure estimation based on pulse wave velocity

One aspect of the subject matter described in this disclosure can be implemented in a device capable of estimating blood pressure. The device includes two or more sensors capable of performing measurements along an artery. ... Qualcomm Incorporated

Acquisition threshold based on signal strength

Systems and methods pertain to operating a receiver of wireless signals such as bluetooth or bluetooth low energy (ble) signals. A correlator is provided to correlate a wireless signal received by the receiver with a device identifier corresponding to a wanted device from which the receiver wants to receive wireless signals, to generate a correlator output. ... Qualcomm Incorporated

Downlink operations with shortened transmission time intervals

Aspects of the present disclosure generally relate to a conditional utilization of reference signals for managing communications of one or more user equipment (ue) in a wireless communications system. The described aspects include receiving a transmission having a first subframe slot and a second subframe slot, at least one of the first subframe slot and the second subframe slot have a single-slot transmission time interval (tti). ... Qualcomm Incorporated

Uplink procedures on a wireless communication medium

Techniques for managing uplink communication on a wireless communication medium are disclosed. An access point may transmit and an access terminal may receive an uplink control information (uci) payload indicator over a downlink channel instructing an access terminal to configure a uci payload. ... Qualcomm Incorporated

Uplink channel design for slot-based transmission time interval (tti)

Certain aspects of the present disclosure provide techniques that may be used to help enable low latency communications between a user equipment (ue) and a base station (bs) using quick uplink channels that enable a reduced transmission time interval (tti). An example method generally includes identifying a plurality of slots in a subframe, receiving a resource configuration for an uplink channel, wherein the resource configuration is associated with a first slot of the plurality of slots, determining a resource for transmitting the uplink channel in a second slot of the plurality of slots, wherein the resource is determined based on the resource configuration associated with the first slot of the plurality of slots, and transmitting the uplink channel in the second slot using the determined resource.. ... Qualcomm Incorporated

Positioning signal techniques for narrowband devices

Methods, systems, and devices for wireless communication are described. A user equipment (ue) and a base station may establish narrowband communications. ... Qualcomm Incorporated

Multi-prb operation for narrowband systems

Aspects of the present disclosure provide techniques and apparatus for multiple physical resource block (prb) operations for narrowband (nb) systems, such as nb internet-of-things (iot). In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (ue), which may be an nb-iot device. ... Qualcomm Incorporated

Transmit error vector magnitude and spectral mask requirements for ofdma transmission

A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to determine an ru allocated to the apparatus within a communication bandwidth for ofdma transmission. ... Qualcomm Incorporated

Cell avoidance associated with lower layer failures

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may determine that a number of access stratum (as) operations or communications have failed while attempting to communicate with a cell. ... Qualcomm Incorporated

Channel quality feedback in satellite communication systems

A method and apparatus for operating a user terminal in a satellite communication system during inter-beam handovers. In some aspects, the user terminal may determine an occurrence of an inter-beam handover for switching communication with a network controller of the satellite communication system from a first beam to a second beam. ... Qualcomm Incorporated

Techniques for infinite ranging session

Techniques for establishing a fine timing measurement (ftm) session of infinite duration between wireless devices is provided. A method according to these techniques includes generating, at a first wireless device, a first request to establish an ftm session with a second wireless device using an ftm protocol, the first request comprising one or more session parameters having a value indicative that the first wireless device is requesting the ftm session have an infinite session duration, receiving one or more ftm measurement messages from the second wireless device, and sending a second request to the second wireless device requesting that the ftm session be terminated.. ... Qualcomm Incorporated

Geometric transforms for filters for video coding

An example device for filtering a decoded block of video data includes one or more processors implemented in circuitry and configured to decode a current block of a current picture of the video data, select a filter (such as an adaptive loop filter) to be used to filter pixels of the current block, calculate a gradient of at least one pixel for the current block, select a geometric transform to be performed on one of a filter support region or coefficients of the selected filter, wherein the one or more processors are configured to select the geometric transform that corresponds to an orientation of the gradient of the at least one pixel, perform the geometric transform on either the filter support region or the coefficients of the selected filter, and filter the at least one pixel of the current block using the selected filter after performing the geometric transform.. . ... Qualcomm Incorporated

Efficient transform coding using optimized compact multi-pass transforms

As part of a video encoding or decoding process, a device applies a transformation to input data elements to derive output data elements for a current block. The transformation comprises a sequence of vector transformations. ... Qualcomm Incorporated

Signaling selected directional transform for video coding

In one example, an apparatus for encoding video data includes a video encoder configured to select an intra-prediction mode to use to encode a block of video data, determine whether the block includes a sub-block of a size for which multiple transforms are possible based on the size of the sub-block and the selected intra-prediction mode, when the block includes the sub-block of the size for which multiple transforms are possible based on the size of the sub-block and the selected intra-prediction mode, select one of the multiple possible transforms, transform the sub-block using the selected one of the multiple possible transforms, and provide an indication of the selected one of the multiple possible transforms for the size of the block.. . ... Qualcomm Incorporated

Efficient parameter storage for compact multi-pass tranforms

A device determines a compact multi-pass transform (cmpt) from a plurality of cmpts. Additionally, the device decompresses cmpt parameters for the cmpt. ... Qualcomm Incorporated

Picture order count based motion vector pruning

In general, this disclosure described techniques for pruning a list of motion vector prediction candidates based on picture order count (poc) values. A video coding device may be configured to generate the list of motion vector prediction candidates for a prediction unit (pu) of video data. ... Qualcomm Incorporated

Handling of end of bitstream nal units in l-hevc file format and improvements to hevc and l-hevc tile tracks

In various implementations, techniques are described herein to resolve issues related to the location of an eob nal unit in an iso base media file. In various implementations, these techniques include relaxing the requirement that a file include only one eob nal unit. ... Qualcomm Incorporated

Prediction mode information upsampling for scalable video coding

In one embodiment, an apparatus configured to code video data includes a processor and a memory unit. The memory unit stores video data associated with a first layer having a first spatial resolution and a second layer having a second spatial resolution. ... Qualcomm Incorporated

Merging filters for multiple classes of blocks for video coding

In one example, a device includes a memory configured to store video data, and one or more processing units implemented in circuitry configured to construct a plurality of filters for classes of blocks of a current picture of the video data, wherein to construct the plurality of filters, the one or more processing units are configured to generate a plurality of sets of filter coefficients, and for a subset of the plurality of filters, determine respective indexes that identify one of the sets of filter coefficients for the corresponding filter of the subset; decode a current block of the current picture, determine a class for the current block, select a filter of the plurality of filters that corresponds to the class for the current block, and filter at least one pixel of the current block using the selected filter.. . ... Qualcomm Incorporated

Predicting filter coefficients from fixed filters for video coding

An example device for filtering a decoded block of video data includes one or more processing units configured to construct a plurality of filters for classes of blocks of a current picture of video data. To construct the plurality of filters for each of the classes, the processing units are configured to determine a value of a flag that indicates whether a fixed filter is used to predict a set of filter coefficients of the class, and in response to the fixed filter being used to predict the set of filter coefficients, determine an index value into a set of fixed filters and predict the set of filter coefficients of the class using a fixed filter of the set of fixed filters identified by the index value.. ... Qualcomm Incorporated

Storage of virtual reality video in media files

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

Systems and methods for configurable demodulation

Exemplary embodiments are directed to configurable demodulation of image data produced by an image sensor. In some aspects, a method includes receiving information indicating a configuration of the image sensor. ... Qualcomm Incorporated

Out-of-band service discovery indication

Methods, systems, and devices for wireless communication are described. An access point (ap) may include a service discovery indicator in a broadcast message. ... Qualcomm Incorporated

Methods and apparatus for dedicated bearer establishment handling during call setup for lte

Aspects relate to methods and apparatus for dedicated bearer (db) establishment handling during call setup for long term evolution. According to aspects, a method is provided herein for wireless communications that may be performed, for example, by a user equipment (ue). ... Qualcomm Incorporated

Pilot grouping and route protocols in multi-carrier communication systems

Embodiments disclosed herein relate to methods and systems for pilot grouping, route protocols, and scheduling in multi-carrier communication systems. In an embodiment, an access terminal may group a plurality of pilot signals characterized by different frequencies into one or more pilot groups, each pilot grouping being identified by a plurality of parameters (e.g., a pn offset and a group id). ... Qualcomm Incorporated

Non-linear product detection and cancellation in a wireless device

An apparatus and method for cancelling and/or attenuating one or more signal impairments included within a transmitted rf signal is disclosed. In at least one exemplary embodiment, a baseband signal is generated based, at least in part, on a predicted impairment signal subtracted from a desired baseband signal. ... Qualcomm Incorporated

Pulse-generator

The apparatus may include a first latch configured to store a first state or a second state. The first latch may have a first latch input, one of a set input or a reset input, a first pulse clock input, and a first latch output. ... Qualcomm Incorporated

Reconfigurable multi-mode antenna for wireless power transfer

A reconfigurable wireless power transmit antenna includes an antenna coil configured in a first configuration having a first number of turns configured to operate at a first frequency, the antenna coil configurable in a second configuration having a second number of turns configured to operate at a second frequency, and a switching mechanism configured to switch between the first configuration and the second configuration.. . ... Qualcomm Incorporated

Wireless power receiving element with capacitive coupling

A wireless power receiving element with capacitive coupling is described herein. The design allows for a wireless power receiving element that extends all the way around the band of a wearable electronic device. ... Qualcomm Incorporated

Antenna with beamwidth reconfigurable circularly polarized radiators

An antenna is provided for a satellite in a satellite communication system. The antenna includes an array of radiators each having a dual linear-to-circular polarizer. ... Qualcomm Incorporated

Fin with an epitaxial cladding layer

A device includes a substrate, a fin, and an isolation layer. The device also includes an epitaxial cladding layer on a sidewall of the fin. ... Qualcomm Incorporated

System, apparatus, and method for n/p tuning in a fin-fet

The n-type to p-type fin-fet strength ratio in an integrated logic circuit may be tuned by the use of cut regions in the active and dummy gate electrodes. In some examples, separate cut regions for the dummy gate electrodes and the active gate electrode may be used to allow for different lengths of gate pass-active regions resulting in appropriately tuned integrated logic circuits.. ... Qualcomm Incorporated

Wireless power transfer antenna having auxiliary winding

A wireless power transfer antenna includes a primary antenna portion configured to develop a primary electric field (e-field) and a primary magnetic field (b-field), and an auxiliary winding coupled to the primary antenna portion by the b-field, the auxiliary winding configured to develop an auxiliary electric field (e-field) that combines with the primary e-field resulting in a net e-field that has a magnitude that is smaller than a magnitude of the primary e-field.. . ... Qualcomm Incorporated

Systems and methods for individually configuring dynamic random access memories sharing a common command access bus

Systems and methods are disclosed for configuring dynamic random access memory (dram) in a personal computing device (pcd). An exemplary method includes providing a shared command access (ca) bus in communication with a first dram and a second dram. ... Qualcomm Incorporated

Systems and methods for individually configuring dynamic random access memories sharing a common command access bus

Systems and methods are disclosed for configuring dynamic random access memory (dram) in a personal computing device (pcd). An exemplary method includes providing a shared command access (ca) bus in communication with a first dram and a second dram. ... Qualcomm Incorporated

Inter-channel encoding and decoding of multiple high-band audio signals

A device includes an encoder and a transmitter. The encoder is configured to generate a first high-band portion of a first signal based on a left signal and a right signal. ... Qualcomm Incorporated

Encoding of multiple audio signals

A device includes an encoder and a transmitter. The encoder is configured to determine a mismatch value indicative of an amount of temporal mismatch between a reference channel and a target channel. ... Qualcomm Incorporated

Systems and methods for determining a region in an image

A method for determining a region of an image is described. The method includes presenting an image of a scene including one or more objects. ... Qualcomm Incorporated

Foveated video rendering

Techniques are described for generating and rendering video content based on area of interest (also referred to as foveated rendering) to allow 360 video or virtual reality to be rendered with relatively high pixel resolution even on hardware not specifically designed to render at such high pixel resolution. Processing circuitry may be configured to keep the pixel resolution within a first portion of an image of one view at the relatively high pixel resolution, but reduce the pixel resolution through the remaining portions of the image of the view based on an eccentricity map and/or user eye placement. ... Qualcomm Incorporated

Semantically sensitive code region fingerprint calculation for programming languages

Herein disclosed is an optimization for a compiler, the optimization configured to assign numeric values, or semantic fingerprints, to portions of code, and to combine these fingerprints to arrive at fingerprints for larger and larger portions of code. The fingerprints can be provided to various consumers such as code redundancy optimization modules and copyright violation and malware/virus identification modules. ... Qualcomm Incorporated

Device for uav detection and identification

Apparatuses and methods are described herein for identifying an unmanned aerial vehicle (uav) by a central server connected to a first detection device and a plurality of detection devices, including, but not limited to, receiving, by the central server, information related to the uav from the first detection device, selecting, by the central server, a second detection device from a plurality of detection devices connected to the central server, and sending, by the central server, the information to the second detection device.. . ... Qualcomm Incorporated

Device for uav detection and identification

Apparatuses and methods are described herein for identifying a unmanned aerial vehicle (uav), including, but not limited to, determining a first maneuver type, determining a first acoustic signature of sound captured by a plurality of audio sensors while the uav performs the first maneuver type, determining a second acoustic signature of sound captured by the plurality of audio sensors while the uav performs a second maneuver type different from the first maneuver type, determining an acoustic signature delta based on the first acoustic signature and the second acoustic signature, and determining an identity of the uav based on the acoustic signature delta.. . ... Qualcomm Incorporated

Ultrasound devices for estimating blood pressure and other cardiovascular properties

An ultrasound cardiovascular measuring device may include an ultrasonic sensor system having an ultrasound transmitter layer configured to generate ultrasonic plane waves and a focusing layer that includes one or more lenses. One or more of the lenses may be configured to generate output signals corresponding to detected ultrasonic reflections. ... Qualcomm Incorporated

Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen

An system for calculating blood pressure may include a sensor system and a control system. The control system may be capable of controlling one or more sensors of the sensor system to take at least two measurements, the at least two measurements including at least one measurement taken at each of two or more different measurement elevations of a subject's limb. ... Qualcomm Incorporated

Liveness and spoof detection for ultrasonic fingerprint sensors

Embodiments of apparatuses and methods for detecting a spoof finger are disclosed. In one embodiment, an ultrasonic fingerprint sensor comprises an ultrasonic transmitter configured to transmit an ultrasonic wave to a finger, an ultrasonic sensor array configured to receive a reflected ultrasonic wave from the finger, and a controller configured to determine a reflected acoustic energy of the finger based on a difference between average amplitudes of the reflected ultrasonic wave from ridges and valleys of the finger; and determine whether the finger is a spoof based at least in part on the reflected acoustic energy of the finger.. ... Qualcomm Incorporated

Providing a system information block request and response

Aspects of the present disclosure provide various techniques for requesting a system information block (sib) and providing a sib response for a user equipment (ue) in a ue-centric wireless communication network. In some aspects of the disclosure, the network may transmit the sib to the ues in a broadcast mode or in an on-demand mode.. ... Qualcomm Incorporated

Uplink scheduling for license assisted access

Uplink scheduling for license assisted access (laa) mode systems is discussed in which a base station transmits a conditional grant to served user equipments (ues) that include a transmission configuration for uplink transmissions. The transmission configuration includes the parameters necessary for the ue to perform transmissions. ... Qualcomm Incorporated

Techniques for configuring reference signals in low latentcy wireless communications

Various aspects described herein relate to determining a configuration of reference signal (rs) resources in wireless communications. A scheduling grant of resources can be received from an access point, wherein the scheduling grant indicates one or more parameters related to transmission locations of one or more rss. ... Qualcomm Incorporated

Methods and apparatus for communication mode configuration in a high-efficiency wireless network

Methods and apparatuses for configuring communication modes in wireless networks are provided. In some aspects, an apparatus configured for wireless communication is provided. ... Qualcomm Incorporated

Methods and systems for a ranging protocol

Disclosed are processes, devices and systems for exchanging messages between devices in support of measuring ranges between devices. In one particular implementation, a first wireless transceiver device may transmit one or more fine timing measurement (ftm) messages to a second wireless transceiver device, and receive a message acknowledging receipt of at least one of the one or more ftm messages. ... Qualcomm Incorporated

Downlink coverage enhancements

Aspects of the present disclosure provide techniques and apparatus for enhancing downlink coverage for certain user equipments (ues) (e.g., low cost, low data rate ues). Certain types of ues may have limited coverage or should receive enhanced coverage relative to other types of ues. ... Qualcomm Incorporated

Techniques for long term evolution licensed assisted-access(lte laa) coexistence with other radio access technologies

Apparatus and methods for long term evolution (lte) licensed-assisted access (laa) communications at a user equipment (ue) are described herein. In an aspect, an example method includes a user equipment (ue) receiving a radio resource control (rrc) message from an enb and searching for a discovery reference signal (drs) associated with a secondary cell (scell) of the enb based at least on the information received in the rrc message. ... Qualcomm Incorporated

Methods and apparatus for paging in unlicensed communication channels

Certain aspects of the present disclosure relate to a methods and apparatus for wireless communication. In one aspect, a method of wireless communication comprises assigning, by an access point, an interval of time for transmission on an unlicensed communication spectrum to a lte-u device, and broadcasting an anchor signal during the interval of time on the unlicensed communication spectrum, the anchor signal comprising a paging indication for the lte-u device. ... Qualcomm Incorporated

Paging conflict management for multi-sim wireless communication device

Embodiments described herein relate to apparatuses and methods for a wireless communication device having a first subscriber identity module (sim) associated with a first subscription and a second sim associated with a second subscription to manage communications over the first subscription and the second subscription, including, but not limited to, determining valid paging occasions associated with the first subscription, determining a selected paging occasion of the valid paging occasions based on at least one of activities of the second subscription or a sleep period of the first subscription, and receiving a page of the first subscription on the selected paging occasion.. . ... Qualcomm Incorporated

Detection of interference in wireless communication devices

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication, and more particularly, to methods and apparatus for controlling spurious emissions on devices that support millimeter wave communications. An example method includes providing a local oscillator (lo) signal generated by an lo chain to at least one of a baseband portion or a radio frequency (rf) portion coupled to the baseband portion, detecting interference in the lo signal, and controlling a gain component of the lo chain to adjust an amplitude of the lo signal, based on the detected interference.. ... Qualcomm Incorporated

Systems and methods for silent period operation during wireless communication

A method for wireless communication is described. The method includes receiving a silent indication (sid) start message from a modem at a bluetooth (bt) module when the modem detects a silent period in a voice call. ... Qualcomm Incorporated

User equipment centric mobility (uecm) in radio resource control (rrc) dedicated mode

Aspects of the present disclosure provide methods and apparatus for transmitting an uplink reference signal, receiving a keep alive (ka) command based, at least in part, on the uplink reference signal, and taking one or more actions to perform a handover to a non-serving base station (bs) in accordance with the ka command. Additionally, aspects provide methods and apparatus for receiving an uplink reference signal from a user equipment (ue), measuring the uplink reference signal, and transmitting a ka command to the ue based, at least in part, on the measured uplink reference signal. ... Qualcomm Incorporated

Apparatus and method of performing efficient data service switch between two subscriptions in dual sim dual standby devices

A method for performing data service switch for a mobile communication device having a first subscription configured as a dedicated data subscription (dds) and a second subscription includes: receiving a multimedia messaging service (mms) message notification on the second subscription; calculating an approximate transfer time for receiving the mms message; determining the that the approximate transfer time is less than a specified time; in response to determining that the approximate transfer time is less than the specified time, performing at the mobile communication device a local packet switched (ps) service detach procedure for the first subscription; performing a circuit switched (cs) service attach procedure for the first subscription; and performing a ps service attach procedure for the second subscription.. . ... Qualcomm Incorporated

Beam selection for uplink and downlink based mobility

Aspects of the present disclosure provide methods and apparatus for beam selection in uplink-based and downlink-based mobility scenarios, for example, for new radio (nr) systems which can improve handover reliability, reduce handover frequency, and improve power efficiency. Certain aspects provide a method for wireless communications by a user equipment (ue). ... Qualcomm Incorporated

Methods and systems for a ranging protocol

Disclosed are methods, systems and devices for obtaining a range between devices based, at least in part, on an exchange of wireless messages. For example, wireless devices may obtain measurements of range based, at least in part, on an exchange fine timing measurement (ftm) messages. ... Qualcomm Incorporated

Channel dependent coverage enhancement techniques in lte

Methods, systems, and devices are described for coverage enhancement in a wireless communication system. A base station may select different coverage enhancement techniques for different channels, and transmit the channels using the selected coverage enhancement techniques. ... Qualcomm Incorporated

Autonomous uplink transmission in unlicensed spectrum

Methods, systems, and devices for wireless communication are described. A user equipment (ue) operating in unlicensed spectrum may determine that a base station is not transmitting during a particular time period (e.g., by detecting the absence of a control signal). ... Qualcomm Incorporated

Sponsored connectivity to cellular networks using existing credentials

Systems and techniques are disclosed to facilitate the sponsored connectivity of a user equipment on a serving network so that the ue may access a service whose connectivity is sponsored by an application service provider. The application service provider provisions the serving network so that it is aware of the sponsored connectivity. ... Qualcomm Incorporated

Techniques for providing network access

The present disclosure describes various techniques to provide network access to a user equipment by using network infrastructure and/or wireless spectrum from an asset operator. In an aspect, a network device associated with the asset operator may receive a request for wireless wide area network (wwan) access for a ue. ... Qualcomm Incorporated

Establishing and communicating data over a wireless connection

A method of operating a wireless device in accordance with multiple wireless technologies. The wireless device transmits an advertising message to a target device using a first wireless technology and establishes a wireless connection with the target device based at least in part on the advertising message. ... Qualcomm Incorporated

Adaptive radio link monitoring

Aspects of the present disclosure provide adaptive radio link monitoring for machine type communication(s) (mtc), enhanced mtc (emtc), and/or narrowband internet-of-things (nb-iot). In one aspect, a method is provided which may be performed by a user equipment (ue). ... Qualcomm Incorporated

Calibration of hybrid auto focus (af) imaging systems

Methods and apparatuses for calibration of hybrid auto focus (af) imaging systems are disclosed. In one aspect, a method is operable by an imaging device including a hybrid auto focus (af) system comprising a lens. ... Qualcomm Incorporated

Systems and methods for implementing seamless zoom function using multiple cameras

Devices and methods for providing seamless preview images for multi-camera devices having two or more asymmetric cameras. A multi-camera device may include two asymmetric cameras disposed to image a target scene. ... Qualcomm Incorporated

Efficient infrastructure service discovery with security

Systems, methods, and apparatuses for efficient infrastructure service discovery with security are disclosed. In one aspect, systems and methods for advertising services available via an access point without requiring a device to connect for discovery are described. ... Qualcomm Incorporated

Extending an iot control interface from an iot controller to a user device

In an embodiment, an internet of things (iot) controller receives information from iot devices over an iot communications interface. The iot controller establishes a wireless media presentation session with a user device with the iot controller acting as a source and the user device acting as a sink. ... Qualcomm Incorporated

Sharing data between a plurality of source devices that are each connected to a sink device

In an embodiment, a first media presentation session is established between a first source and the sink, and a second media presentation session between a second source and the sink. First and second media streams are streamed to the sink by the first and second sources, respectively. ... Qualcomm Incorporated

Mediating content delivery via one or more services

A device for receiving streaming data includes a broadcast or multicast middleware unit configured to receive the streaming data via a second service and a proxy unit configured to be disposed between the middleware unit and a client application, the proxy unit further configured to receive an indication of whether the streaming data is to be received via a first service or the second service, when the indication indicates that the streaming data is to be received via the first service: disable the middleware unit; and receive the streaming data via the first service, and when the indication indicates that the streaming data is to be received via the second service: activate the middleware unit to receive the streaming data via the second service, wherein the second service comprises at least one of a broadcast service or a multicast service; and receive the streaming data from the middleware unit.. . ... Qualcomm Incorporated

Method and apparatus for constructing very high throughput long training field sequences

Techniques are provided for constructing or determining a training sequence as a part of transmission preamble to minimize (or at least reduce) a peak-to-average power ratio (papr) at a transmitting node. In one example, a long training field (ltf) sequence of a preamble is determined that combines a set of interpolating sequences with ltf tone values. ... Qualcomm Incorporated

Phase-shift-keying (psk) pilot

The apparatus enables pilot signals, whether single tone or multiple tone, that achieve a very low papr. After receiving an allocation for multiple tones, the apparatus determines a pilot signal for transmission. ... Qualcomm Incorporated

Interference cancellation in radio transceivers

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may tune an auxiliary receiver within a first radio to a transmission frequency of a co-located second radio. ... Qualcomm Incorporated

Pilot design for uplink (ul) narrow-band internet of things (nb-iot)

Certain aspects of the present disclosure relate to methods and apparatus for pilot design for narrow-band internet of things (nb-iot). In certain aspects, the method generally includes determining at least one binary code sequence to use as a demodulation reference signal (dmrs) for a channel transmitted across one or more subframes using one or more tones within a resource block (rb) allocated to the ue for narrowband communication, and transmitting the channel including the dmrs using the one or more tones and the determined binary code sequence. ... Qualcomm Incorporated

Multi-cast resource allocation by aggregation level

Multicasting resource allocation information per aggregation level is enabled. A device allocates resources to ues according to aggregation level. ... Qualcomm Incorporated

Handoff for satellite communication

Various aspects of the disclosure relate to handoff (e.g., idle mode handoff or other types of handoff) for a user terminal. In some aspects, a user terminal (ut) may request idle mode handoff information from a ground network (gn). ... Qualcomm Incorporated

Current measurments in switching regulators

Features and advantages of the present disclosure include a switching regulator and current measurement circuit. In one embodiment, a switching transistor in the switching regulator has a first voltage on a first terminal and a switching voltage on a second terminal. ... Qualcomm Incorporated

Wireless power transfer in wearable devices

Disclosed is an electronic device having a band to secure the electronic device to a user. The electronic device may include a first power receiving element arranged with the band, configured to couple to an externally generated magnetic field to wirelessly receive power. ... Qualcomm Incorporated

Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation

An adaptive active noise cancellation apparatus performs a filtering operation in a first digital domain and performs adaptation of the filtering operation in a second digital domain.. . ... Qualcomm Incorporated

Spiking multi-layer perceptron

A method of training a neural network with back propagation includes generating error events representing a gradient of a cost function for the neural network. The error events may be generated based on a forward pass through the neural network resulting from input events, weights of the neural network and events from a target signal. ... Qualcomm Incorporated

Serial communication link with optimal transfer latency

A serial interface is provided with a finite state machine configured to compare a current state for a plurality of signals to a previous state to determine whether to transmit a frame including the plurality of signals or to transmit a frame that includes only a bit position of a changed one of the signals.. . ... Qualcomm Incorporated

System and method for multi-tile data transactions in a system on a chip

Various embodiments of methods and systems for managing compressed data transaction sizes in a system on a chip (“soc”) in a portable computing device (“pcd”) are disclosed. Based on lengths of compressed data tiles associated in a group, wherein the compressed data tiles are comprised within a compressed image file, multiple compressed data tiles may be aggregated into a single, multi-tile transaction. ... Qualcomm Incorporated

Forced idling of memory subsystems

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

Mobile platform positioning using satellite positioning system and visual-inertial odometry

A method of determining a trajectory of a mobile platform includes obtaining a satellite positioning system (sps) measurement from one or more sps signals acquired by an sps receiver of the mobile platform. The method also includes obtaining a visual-inertial odometry (vio) measurement of the mobile platform from a vio system of the mobile platform. ... Qualcomm Incorporated

Structures for charging a multicopter

Some aspects provide for a multicopter that includes a frame and a charging unit receiver configured to receive a portion of a charging unit. In some aspects, a perimeter of a cross-section of the proximal portion of the charging unit receiver may be shorter than a perimeter of a cross-section of the distal portion of the charging unit receiver. ... Qualcomm Incorporated

Dynamic adjustment of transmission timeout interval in communication protocols

Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, performed at a first processor-based wireless device, that includes transmitting at a first time instance, from the first wireless device to a second wireless device, a wireless message including message content, and dynamically determining an adjustable timeout interval based, at least in part, on one or more network characteristics associated with a network comprising the first and/or second wireless devices. The method further includes transmitting at least one subsequent wireless message including at least some of the message content of the wireless message upon a determination that an acknowledgement message responsive to the wireless message transmitted at the first time instance was not received at the first wireless device within a time period, subsequent to the first time instance, greater or equal to the determined adjustable timeout interval.. ... Qualcomm Incorporated

Efficient clear channel assessment (cca) with request-to-send (rts) frame and clear-to-send (cts) frame

Certain aspects of the present disclosure provide an apparatus for wireless communication. The apparatus may generally include a first interface configured to obtain a first frame on at least one channel, a processing system configured to perform an assessment on the at least one channel, and generate a second frame after obtaining the first frame, and determine a transmission time of the second frame based on results of the assessment, and a second interface configured output the second frame for transmission on the at least one channel according to the determined transmission time.. ... Qualcomm Incorporated

Uplink short transmission techniques using contention-based radio frequency spectrum

Uplink short transmissions (ulsts) may be configured in a wireless communications system to be transmitted in configured uplink resources within a listen-before-talk (lbt) frame or within a ulst window during which a user equipment (ue) may transmit a ulst and during which the base station may monitor for ulsts. A ue having an amount of data to be transmitted that is less than a threshold value may transmit the data in the ulst, and avoid the need to have the base station allocate separate uplink resources outside of the configured uplink resources or the ulst window.. ... Qualcomm Incorporated

Synchronization across transmitting nodes using shared radio frequency spectrum

Techniques for synchronization across transmitting nodes of a same public land mobile network (plmn) operator using a shared radio frequency spectrum band may include initiating, at a first wireless node, a listen-before-talk (lbt) procedure for access to the shared radio frequency spectrum band, and identifying that a second wireless node associated with a same plmn operator as the first wireless node has won contention for the shared radio frequency spectrum band. The first wireless node may discontinue the lbt procedure and initiate an auxiliary transmission using the shared radio frequency spectrum band concurrently with a primary transmission of the second wireless node.. ... Qualcomm Incorporated

Operating mode coordination on a shared communication medium

Techniques for intra- and inter-operator coordination on a shared communication medium are disclosed. A central coordination server may send an operating mode information message to coordinate operation of different points on the communication medium. ... Qualcomm Incorporated

Contention-based data transmissions on return link

Methods and apparatuses are disclosed for a user terminal (ut) to transmit data to a network controller via a satellite in a satellite system. The ut may begin transmitting, during a time period, a first portion of the data using contention-based resources of the satellite system prior to receiving a grant of scheduled return link resources of the satellite system. ... Qualcomm Incorporated

Methods and apparatus for grant processing

Certain aspects of the present disclosure relate to methods and apparatus for grant processing in uplink centric subframes. An example method generally includes transmitting a first subframe comprising a first grant that includes information for one or more transmissions on that allocated resources in the first subframe to a user equipment (ue) and transmitting the first subframe, with a second grant that allocates resources in at least a second subframe to occur after the first subframe. ... Qualcomm Incorporated

Small cell & communication network reconfiguration based on wireless device capabilities

Aspects of the present disclosure provide a scheduling entity and methods of operating the scheduling entity such that the scheduling entity reconfigures/allocates its resources based on device capabilities of the wireless devices. The scheduling entity utilizes a first resource configuration to provide communications service to one or more wireless devices associated with the scheduling entity. ... Qualcomm Incorporated

Interference management for networks with variable transmission time intervals

Methods, systems, and devices for wireless communication are described. A first cell may receive a message indicating that a second cell has a priority transmission scheduled using a transmit time interval (tti) that is shorter than a tti used by the first cell. ... Qualcomm Incorporated

Control channel signaling techniques in wireless systems with multiple possible transmission time intervals

Control information may be transmitted for different tti lengths. Different control information for the different ttis may be transmitted using control channel resources that are established for communication of control information, such as a physical downlink control channel (pdcch), for example. ... Qualcomm Incorporated

Relative forward link calibration estimation

Techniques for determining a relative time calibration (dtcal) value for a mobile device model are disclosed. An example of an apparatus according to the disclosure includes a memory, a receiver configured to receive measurements and a mobile device model information from mobile devices disposed in geographic areas, a processor configured to determine a baseline mobile device model and other mobile devices models based on the measurements, calculate a baseline measurement value based on the measurement values that correspond to the baseline mobile device model, determine difference values based on the baseline measurement value and the other mobile device model measurement values, determine a model specific dtcal value based on the difference values for at least one of the other mobile device models, and store the model specific dtcal value in the memory.. ... Qualcomm Incorporated

Relative forward link calibration estimation

Techniques for determining a relative time calibration (dtcal) value for a mobile device model are disclosed. An example of an apparatus according to the disclosure includes a memory, a receiver configured to receive measurements and a mobile device model information from mobile devices disposed in geographic areas, a processor configured to determine a baseline mobile device model and other mobile devices models based on the measurements, calculate a baseline measurement value based on the measurement values that correspond to the baseline mobile device model, determine difference values based on the baseline measurement value and the other mobile device model measurement values, determine a model specific dtcal value based on the difference values for at least one of the other mobile device models, and store the model specific dtcal value in the memory.. ... Qualcomm Incorporated

Timing synchronization coordination on a shared communication medium

Techniques for intra- and inter-operator coordination on a shared communication medium are disclosed. A central coordination server may send an operating mode information message to coordinate operation of different points on the communication medium. ... Qualcomm Incorporated

Low-latency low-uncertainty timer synchronization mechanism across multiple devices

Systems, methods, and apparatus for synchronizing timing in devices coupled to a data communication link are disclosed. In one example, a first device programs a future system time value in a second device. ... Qualcomm Incorporated

Calibrating transmit error vector magnitude using over-the-air loopback

Certain aspects relate to methods and apparatus for calibrating transmit error vector magnitude (evm) using an over-the-air loopback mechanism. An apparatus includes a first radio frequency (rf) module configured to generate first rf signals based on first intermediate frequency (if) signals and to output the first rf signals via at least a first antenna element, a second rf module configured to process the first rf signals, as obtained via a second antenna element, and to generate second if signals, and a baseband module configured to determine a transmit performance metric for the first rf module based on the first if signals and the second if signals, determine a first transmit power level based on the determined transmit performance metric, and cause the first rf module to output second rf via the first antenna element at the first transmit power level.. ... Qualcomm Incorporated

Verification of authorized shared access operation

A method of wireless communication is presented. The method includes receiving, at a user equipment (ue) operating on an authorized shared access (asa) spectrum, an inter-frequency measurement report from a wireless device operating in a specific area and operating on a spectrum that is different from the asa spectrum. ... Qualcomm Incorporated

Method and apparatus for exploiting radio access technology system information blocks for time transfer based positioning

Disclosed is a method and apparatus for exploiting radio access technology (rat) system information blocks for global navigation satellite system (gnss) positioning. The method may include processing, by a mobile device with carrier aggregation, a voice call via a first rat, the processing of the voice call causing second rat capabilities of the mobile device to go out of service. ... Qualcomm Incorporated

Voice and/or video call continuity

Methods, systems, and devices are described for wireless communication at a wireless device. In some aspects, the wireless device may detect a desired operations change from a first operational state to a second operational state which uses a different number of radio resources than the first operational state. ... Qualcomm Incorporated

Managing data reception following a tune-away

Various embodiments include multi-subscription multi-standby (msms) communication devices and methods for managing reception of data using a first subscription following a tune-away by a radio frequency (rf) resource chain from the first subscription to a second subscription. In various embodiments the msms communication device may receive data over the first subscription during a warm-up period of the rf resource chain following completion of the tune-away. ... Qualcomm Incorporated

Methods and apparatus for radio link monitoring in unlicensed communication channels

Certain aspects of the present disclosure relate to a methods and apparatus for wireless communication. In one aspect, a method of wireless communication comprises receiving, by a long term evolution unlicensed (lte-u) device, a plurality of signals from an access point on an unlicensed communication spectrum. ... Qualcomm Incorporated

Passive positioning utilizing beacon neighbor reports

Techniques for providing neighbor reports for use in passive positioning of a client station are disclosed. An example method for broadcasting network neighbor reports according to the disclosure includes generating a beacon transmission, determining a neighbor report count value, if the neighbor report count value is greater than zero, then broadcasting the beacon transmission including at least a beacon frame and the neighbor report count value, and decrementing the neighbor report count value; if the neighbor report count value is equal to zero, then broadcasting the beacon transmission including at least a beacon frame and a neighbor report, and resetting the neighbor count value.. ... Qualcomm Incorporated

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

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

Passive positioning based on directional transmissions

Certain aspects of the present disclosure generally relate to passive positioning based on directional transmissions, such as directional beacons transmitted during a sector sweep procedure.. . ... Qualcomm Incorporated

Method and apparatus for improving positioning performance on a mobile device with carrier aggregation capabilities

Disclosed is a method and apparatus for performing a positioning process utilizing wireless communication network reference signals. The method may include processing, by a mobile device with carrier aggregation, a voice call via a first radio access technology (rat), the processing of the call causing second rat capabilities of the mobile device to go out of service. ... Qualcomm Incorporated

Methods and apparatus for integrating bluetooth devices into neighbor aware networks

Methods and apparatus for integrating bluetooth devices into neighbor aware networks are described. In one aspect, a method for wireless communication using a first wireless protocol and a second wireless protocol includes determining, by a first wireless device, a set of parameters comprising at least one of an identifier associated with a cluster of wireless devices configured to communicate according to the second wireless protocol, an indication of a discovery window transmission time associated with the cluster, and a reliability metric associated with the cluster. ... Qualcomm Incorporated

Methods and apparatus for integrating bluetooth devices into neighbor aware networks

Methods and apparatus for integrating bluetooth devices into neighbor aware networks are described herein. In some aspects, a method for wireless communication may comprise receiving at least one parameter indicating availability of a service associated with a first wireless protocol from a second wireless device configured to communicate according to the first wireless protocol. ... Qualcomm Incorporated

System, apparatus, and method for proximity detection

A mobile communication device equipped for proximity detection may include a transmitter that emits a periodic ultrasound signal, a receiver that detects the periodic ultrasound signal, an intra-frame filter that filters the detected periodic ultrasound signal based on a frame length of the detected periodic ultrasound signal, and a detector that determines a power level of the filtered periodic ultrasound signal to detect if the receiver is located in an undesirable location.. . ... Qualcomm Incorporated

Conveying state changes using connectionless messaging and a store-and-forward cache

The disclosure relates to conveying state changes from an advertising node to one or more discovering nodes, wherein the advertising node may convey the state changes using small efficient low-level broadcast or multicast advertisements to trigger delivering larger structured data in a manner that may be conceptually similar to broadcasting or multicasting but actually delivered using point-to-point or other delivery mechanisms that may be more efficient and reliable. In particular, the advertising node may the convey state changes using broadcast messaging and a store-and-forward cache in a manner that removes bandwidth and/or size constraints that networks impose on multicast/broadcast datagrams while preserving benefits associated therewith.. ... Qualcomm Incorporated

Apparatus and method to securely control a remote operation

Disclosed is a device that obtains and stores a secret key. The device may comprise a transceiver configured to: transmit a command for a secret key to a server; transmit an identifier to the server; and receive a wrapped secret key from the server. ... Qualcomm Incorporated

Configurations associated with segmentation of one or more packets for wireless communication

Some aspects provide for establishing a radio connection for the wireless communication, determining a configuration for whether to segment one or more packets for the wireless communication using the established radio connection, and communicating the one or more packets based on the determined configuration. Some aspects provide for assembling a first frame comprising one or more packets, transmitting the first frame, determining whether a portion of one or more packets was truncated during the assembling of the first frame, and transmitting a second frame comprising at least the truncated portion of the one or more packets of the first frame. ... Qualcomm Incorporated

Dual receiver for millimeter wave communications

Certain aspects relate to methods and apparatus for wireless communication. Particularly, aspects relate to techniques for wireless communications by an apparatus including a receive processing chain configured to process frames of a first type obtained via an omnidirectional antenna and frames of a second type obtained via an antenna array, a detector configured to detect a preamble portion of a frame of the first type, and a processing system configured to switch an input path of the receive processing chain from the antenna array to the omnidirectional antenna after the detection. ... Qualcomm Incorporated

Compact phase interpolator

A phase interpolator is provided with a plurality of slices. Each slice includes a first switch for mixing a first clock signal into an interpolated output signal and a second switch for mixing a second clock signal into the interpolated output signal. ... Qualcomm Incorporated

Physical broadcast channel (pbch) transmission and reception on a shared communication medium

Techniques for broadcast channel management on a shared communication medium are disclosed. An access terminal may be configured to identify a subframe number associated with a given subframe based not only on a subframe number indicator but also a reference boundary. ... Qualcomm Incorporated

Asymmetric forward link and reverse link subframe split

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

Trigger frame for changing modes of operation

Certain aspects of the present disclosure relate to switching mode of operation between an apparatus and a wireless node. An apparatus for wireless communication may generate a first frame comprising one or more fields indicating at least one of a request to change a mode for communication between the apparatus and a wireless node, wherein the change in the mode includes switching to one of single-input single-output (siso), single-user multi-input multi-output (su-mimo), or multi-user mimo (mu-mimo) operation, or one or more parameters related to the change and output the first frame for transmission. ... Qualcomm Incorporated

Beamforming techniques for single-stream communications

A method of adjusting single-stream transmissions by a wireless device based on channel state information (csi). The wireless device generates a sounding packet formatted for transmission via multiple spatial streams, and transmits the sounding packet to a receiving device via a single one of the multiple spatial streams. ... Qualcomm Incorporated

Beamforming for line of sight (los) link

Certain aspects of the present disclosure generally relate to beamforming training for a sector corresponding to a line of sight (los). For example, certain aspects of the present disclosure provide an apparatus for wireless communications. ... Qualcomm Incorporated

Downlink common burst channelization

Techniques for utilizing resources in a downlink (dl) common burst are described herein. In one aspect, a channel state information reference signal (csi-rs) may be included in the dl common burst for channel estimation. ... Qualcomm Incorporated

Scalable, high-efficiency, high-speed serialized interconnect

Serial communication using a packetization protocol engineered for efficient transmission is provided. Data link layer (dll) control packets can be generated for transmission of control messages. ... Qualcomm Incorporated

Programmable distributed data processing in a serial link

A serial transceiver that includes programmable distributed data processing is provided. The serial transceiver can include an ingress channel that receives serial ingress data and an egress channel that transmits serial egress data. ... Qualcomm Incorporated

Unidirectional clock signaling in a high-speed serial link

Transmission of data over a serial link based on a unidirectional clock signal is provided. A unidirectional clock signal is generated based on a first clock of a master device. ... Qualcomm Incorporated

Over-the-air loopback for array identification

Certain aspects relate to methods and apparatus for identifying which antenna module is attached to a baseband module port at runtime. For example, an apparatus includes a first radio frequency (rf) module that generates first rf signals based on first intermediate frequency (if) signals corresponding to a known sequence, and outputs the first rf signals for transmission via a first antenna element, a second rf module that obtains the first rf signals via a second antenna element and processes the first rf signals to generate second if signals, and a baseband module having first and second ports and generates the first if signals, to determine which port of the first or second rf modules is coupled to, based on at least one of the first or second if signals, and to configure at least one of the first or second rf module, according to known configurations, based on the determination.. ... Qualcomm Incorporated

Techniques to provide a cyclic redundancy check for low density parity check code codewords

Techniques are described for wireless communication. One method includes segmenting a payload into a plurality of code blocks; generating, for each code block, a cyclic redundancy check (crc); encoding each code block and associated crc in one or more codewords of a plurality of codewords; and transmitting the codewords. ... Qualcomm Incorporated

N-path filters with flatter frequency response

Certain aspects of the present disclosure provide n-path filters with wider passbands and steeper rejection than conventional n-path filters with only a single pole in each filter path. These n-path filters also have a flatter passband with decreased passband droop. ... Qualcomm Incorporated

Compact bypass and decoupling structure for millimeter-wave circuits

The disclosure generally relates to a compact bypass and decoupling structure that can be used in a millimeter-wave radio frequency integrated circuit (rfic). For example, according to various aspects, an rfic incorporating the compact bypass and decoupling structure may comprise a grounded substrate, a mid-metal ground plane, a bypass capacitor disposed between the grounded substrate and the mid-metal ground plane, and a decoupling inductor disposed over the mid-metal ground plane. ... Qualcomm Incorporated

Adaptive bias circuit for a radio frequency (rf) amplifier

A circuit includes a first transistor comprising a gate, a source, and a drain, and an inductor coupled between the gate and the source of the first transistor, wherein the source is further coupled to a current source and the gate is further coupled to an amplifier.. . ... Qualcomm Incorporated

Switching-mode power supply with helper current source

Power supplies combining a switching-mode power supply in parallel with a current source can improve maximum load current capability. The current source can be turned on, or the amount of current supplied by the current source increased, when there is a heavy load current demand, for example, when the load current demand is more than the current rating of the switching-mode power supply. ... Qualcomm Incorporated

Power supply controller

Exemplary embodiments are directed to a power controller. A method may include comparing a summation voltage comprising a sum of an amplified error voltage and a reference voltage with an estimated voltage to generate a comparator output signal. ... Qualcomm Incorporated

System and method for adjusting an antenna response in a wireless power receiver

A wireless power receiver includes a first receive coil configured to generate electrical current in response to a first external magnetic field generated by a transmit coil, and a second receive coil configured to generate electrical current in response to a second magnetic field generated by eddy currents induced in a metal portion of the wireless power receiver in response to the first external magnetic field.. . ... Qualcomm Incorporated

Wireless power transfer in an electronic device having a tuned metallic body

An electronic apparatus may include an electrically conductive body configured to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. ... Qualcomm Incorporated

Emi filtering and wireless power transfer in an electronic device using a tuned metallic body

An apparatus may include an electrically conductive body to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. ... Qualcomm Incorporated

Dynamic thermal balancing of parallel regulators to reduce hotspots and increase performance

A method for supplying power to a battery determines a first thermal budget for a first charging regulator. The method also determines a second thermal budget for a second charging regulator. ... Qualcomm Incorporated

Dual-phase operation for concurrently charging a battery and powering a peripheral device

A multi-phase (e.g., dual-phase) concurrent configuration of a power management component supports higher current levels to peripheral devices while maintaining acceptable thermal limits. A dual-phase integrated circuit (ic) having a first input/output (i/o) port coupled to a battery and a second i/o port coupled to an adapter and a peripheral device implements the configuration. ... Qualcomm Incorporated

Duty cycle control for charging a battery

A battery charging implementation improves the charging time (e.g., deliver a maximum or improved charge while minimizing or reducing power loss on the mobile device) by regulating a charging device duty cycle (e.g., buck duty cycle) of a switching regulator/converter (e.g., buck regulator) to a narrow range. An input voltage of a battery charging circuit is dynamically adjusted to maintain a duty cycle within a predetermined range. ... Qualcomm Incorporated

Short-resistant output pin circuitry

An integrated circuit (ic) is disclosed herein for short-resistant output pin circuitry. In an example aspect, an integrated circuit includes a short-resistant pin and an adjacent pin. ... Qualcomm Incorporated

Antenna isolation systems and methods

Systems and methods for enhanced antenna isolation are disclosed. An example antenna isolation system includes a first antenna element of an antenna array configured to transmit or receive wireless transmissions, a second antenna element of the antenna array adjacent to the first antenna element in the antenna array, and a scattering structure disposed substantially between the first and second antenna elements. ... Qualcomm Incorporated

Vertically stacked nanowire field effect transistors

A device includes a substrate, a first nanowire field effect transistor (fet), and a second nanowire fet positioned between the substrate and the first nanowire fet. The device also includes a first nanowire electrically coupled to the first nanowire fet and to the second nanowire fet.. ... Qualcomm Incorporated

Open-passivation ball grid array pads

A conductive bump assembly may include a passive substrate. The conductive bump assembly may also include a conductive bump pad supported by the passive substrate and surrounded by a first passivation layer opening. ... Qualcomm Incorporated

Layout construction for addressing electromigration

A first interconnect on an interconnect level connects a first subset of pmos drains together of a cmos device. A second interconnect on the interconnect level connects a second subset of the pmos drains together. ... Qualcomm Incorporated

Timed sense amplifier circuits and methods in a semiconductor memory

A memory includes a memory cell, one bitline coupled to the memory cell, a sense amplifier coupled to the one bitline, a timing circuit configured to enable the sense amplifier during a read operation, a control circuit configured to enable the sense amplifier independent of the timing circuit, and a pull-up circuit configured to pull up the one bitline while the sense amplifier is enabled by the control circuit. The method includes enabling a sense amplifier in a read operation by a timing circuit. ... Qualcomm Incorporated

Adaptive context switching

A graphics processing unit (gpu) may dispatch a first set of commands for execution on one or more processing units of the gpu. The gpu may receive notification from a host device indicating that a second set of commands are ready to execute on the gpu. ... Qualcomm Incorporated

Ads management in a browser application

An example method of managing ads in a browser application includes receiving a request to load a webpage referenced by a uniform resource locator (url). The webpage includes a set of ads, and each ad of the set of ads includes one or more ad resources. ... Qualcomm Incorporated

Liveness determination based on sensor signals

A device includes a memory and a processor. The memory is configured to store a threshold. ... Qualcomm Incorporated

Method and apparatus for using a multi-factor password or a dynamic password for enhanced security on a device

A method and apparatus for performing authentication may comprise: determining a first value of a dynamic password applicable for a first scenario, the dynamic password having a plurality of values for a plurality of scenarios defined by at least one parameter; authenticating a user in the first scenario by a device based on the first value of the dynamic password; determining a second value of the dynamic password applicable for a second scenario; and authenticating the user in the second scenario by the device based on the second value of the dynamic password.. . ... Qualcomm Incorporated

Transcoding and transmission over a serial bus

System, methods and apparatus are described that offer improved performance of a serial bus used for inter-integrated circuit (i2c) and/or camera control interface (cci) operations. Other described devices may be configured as a bus master or as a slave. ... Qualcomm Incorporated

Unidirectional clock signaling in a high-speed serial link

Transmission of data over a serial link based on a unidirectional clock signal is provided. A unidirectional clock signal is generated based on a first clock of a master device. ... Qualcomm Incorporated

Inline cryptographic engine (ice) for peripheral component interconnect express (pcie) systems

Aspects disclosed in the detailed description include inline cryptographic engine (ice) for peripheral component interconnect express (pcie). In this regard, in one aspect, an ice is provided in a pcie root complex (rc) in a host system. ... Qualcomm Incorporated

System and method for intelligent thermal management using dynamic performance floors in a portable computing device

Various embodiments of methods and systems for intelligent thermal power management implemented in a portable computing device (“pcd”) are disclosed. To mitigate or alleviate hysteresis associated with drastic changes in processing speeds for thermally aggressive processing components, embodiments of the solution dynamically adjust performance level floors in view of a temperature reading. ... Qualcomm Incorporated

Systems and methods for providing error code detection using non-power-of-two flash cell mapping

Systems, methods, and computer programs are disclosed for providing error detection or correction with flash cell mapping. One embodiment is a method comprising generating raw page data for a physical page in a main array of a flash memory device. ... Qualcomm Incorporated

Runtime optimization of multi-core system designs for increased operating life and maximized performance

Aspects include computing devices, systems, and methods for managing a first computing device component of a computing device in order to extend an operating life of the computing device component. In an aspect, a processing device may determine a condition estimator of the first computing device component, determine whether the condition estimator of the first computing device component indicates that a condition of the first computing device component is worse than the condition of a second computing device component, and assign workloads to the first and second computing device components to balance deterioration of the condition of the first and second computing device components in response to determining that the condition estimator of the first computing device component indicates that the condition of the first computing device component is worse than the condition of the second computing device component.. ... Qualcomm Incorporated

Flash device lifetime monitor systems and methods

Systems and methods are disclosed for ensuring a target lifetime of a memory device coupled to an soc of a computing device, the soc including a central processing unit (cpu) executing an operating system (o/s). A dram is coupled to the soc, and the memory device is configured to receive page swaps from the dram. ... Qualcomm Incorporated

Frame based clock rate adjustment for processing unit

Techniques are described in which a processor determines how busy a graphics processing unit (gpu) was in rendering a current fame based on a time interval between when the gpu completed the rendering of the current frame and when the gpu completed the rendering of a previous frame that immediately precedes the current frame. The processor sets a clock rate of the gpu based on the determination of how busy the gpu was in rendering the current frame.. ... Qualcomm Incorporated

Drone flight control

A drone system and method. Audio signals are received via one or more microphones positioned relative to a location on a drone and one or more of the audio signals are identified as of interest. ... Qualcomm Incorporated

Alignment of visual inertial odometry and satellite positioning system reference frames

A method for aligning visual-inertial odometry (vio) and satellite positioning system (sps) reference frames includes obtaining a plurality of range-rate measurements of a mobile platform from an sps. The range-rate measurements are with respect to a global reference frame of the sps. ... Qualcomm Incorporated

Outlier detection for satellite positioning system using visual inertial odometry

A method of determining a position of a mobile platform includes obtaining a plurality of pseudorange measurements from multiple time epochs of a satellite navigation system (sps) and obtaining a plurality of visual-inertial odometry (vio) velocity measurements from a vio system. Each time epoch of the sps includes at least one pseudorange measurement corresponding to a first satellite and at least one pseudorange measurement corresponding to a second satellite. ... Qualcomm Incorporated

Displacement and rotation measurement for unmanned aerial vehicles

Apparatuses and methods are described for determining displacement and/or rotation of a unmanned aerial vehicle (uav), including, but not limited to, determining a first time of flight (tof) for audio signals transmitted by an audio transmitter of the uav and received by a first audio receiver of the uav while the uav is in motion, determining a second tof for the audio signals transmitted by the audio transmitter and received by a second audio receiver of the uav while the uav is in motion, and determining the displacement or the rotation of the uav based, at least in part, on the first tof and the second tof.. . ... Qualcomm Incorporated

Location determination using light-based communications

Disclosed are methods, systems, devices, apparatus, computer-/processor-readable media, and other implementations, including a method, at a processor-based mobile device, that includes determining a first set of candidate positions of the mobile device corresponding to a first time instance based, at least in part, on position data including a first set of identifiers decoded from signals including respective first one or more light-based communications received by the mobile device from a first one or more light devices, with the mobile device being located at a first location at the first time instance. The method further includes selecting at least one candidate position from the first set of candidate positions, in response to a determination that the first set of candidate positions includes more than one candidate position, in order to resolve positional ambiguity, based, at least partly, on further position data from further signals from one or more devices.. ... Qualcomm Incorporated

Stethoscope system including a sensor array

A stethoscope system may include an array of sensors, which may include pressure sensors. The array may be implemented in a wearable “patch” that is conformable to a patient's body. ... Qualcomm Incorporated

Apparatus and methods for hand-in to a femto node

Methods and apparatuses are provided for causing active hand-in of a device from a macrocell base station to a femto node, which can be an inter-frequency hand-in. The femto node can broadcast a beacon, which can be received and reported by a device to a source base station along with one or more parameters. ... Qualcomm Incorporated

Signature based integrity check design for downlink grant error protection in enhanced component carriers

Methods, systems, and devices for wireless communication are described. After receiving a transmission, a user equipment (ue) may store status information for the transmission and send an acknowledgment message that includes a signature. ... Qualcomm Incorporated

Channel reservation techniques for unlicensed spectrum

Methods, systems, and devices for wireless communication are described. A base station may identify a transmission opportunity duration and an allocation for downlink and uplink transmissions, then broadcast a channel reservation request transmission. ... Qualcomm Incorporated

Srs transmission in management in carrier aggregation

Systems, methods, and apparatuses for sounding reference signal (srs) management in carrier aggregation (ca) are described. A user equipment (ue) may be scheduled for overlapping (e.g., concurrent) transmissions of srs and uplink control or data on different cells of a ca configuration. ... Qualcomm Incorporated

Wideband low latency communication

Methods, systems, and devices for wireless communication are described. A wireless device configured for carrier aggregation may communicate using transport blocks (tbs) mapped according to a wideband configuration that includes resources of multiple component carriers (ccs) within a single, low latency transmission time interval (tti)—e.g., a tti that has a shorter duration relative to other ttis used in the same system. ... Qualcomm Incorporated

Hybrid automatic repeat request feedback for unicast sidelink communications

One problem with current d2d communications is that there is no physical layer feedback (e.g., harq feedback) for unicast sidelink communications. That is, the transmitting ue does not know if the receiving ue receives and/or properly decodes the unicast transmission. ... Qualcomm Incorporated

Descriptor channel designs for uplink channels in a shared radio frequency spectrum band

Methods, systems, and apparatuses for uplink descriptor channels are described. An uplink descriptor channel may be used by a user equipment (ue) for providing indications that uplink transmissions over allocated uplink data resources are sent in a configuration different from a configuration indicated by an uplink grant. ... Qualcomm Incorporated

Autonomous receive (rx) detector for a radio module

Certain aspects of the present disclosure provide methods and apparatus for autonomous receive (rx) detection. One example method for wireless communications generally includes powering down a portion of a receive path in a first module; detecting, in a second module comprising another portion of the receive path, that a radio frequency (rf) signal has been received by the second module while the portion of the receive path in the first module is powered down; and sending a control signal to power up the portion of the receive path in the first module, based on the detection.. ... Qualcomm Incorporated

Method and apparatus for an improved mechanism for selecting an access point

The present disclosure presents a method and apparatus for identifying an access point (ap) for selection by an access terminal (at). For example, the method may include receiving a probe request by one or more aps from an at, wherein the probe request is broadcasted by the at to the one or more aps, generating load information and received signal strength indicator (rssi) values of the probe request at the one or more aps, identifying an ap of the one or more aps for selection by the at, wherein the ap for selection by the at is identified by the one or more aps based at least on the load information and rssi values generated at the one or more aps, and transmitting information of an ap identified by the one or more aps to the at. ... Qualcomm Incorporated

Methods and apparatus to prevent poor quality handoff decisions by mobile networks

Disclosed are methods and apparatus to prevent poor quality handoff decisions in mobile networks. The methods and apparatus effectuate a determination whether a predetermined condition concerning a cell has occurred as detected in the mobile device, such as unsuccessful handoff or a signal to noise ratio being less than a certain amount. ... Qualcomm Incorporated

Data rate control in soft handoff and during cell-switching

Systems and methods for controlling a data rate of a transmission in a wireless communication system during handoff are described herein. In some embodiments, controlling the data rate includes receiving transmissions from a plurality of base stations, wherein each received transmission includes a data rate control indicator, and adjusting the data rate of the transmission during handoff based on the data rate control indicators from the plurality of base stations.. ... Qualcomm Incorporated

Enhanced fallback to in-band mode for emergency calling

Techniques are disclosed for increasing the reliability of transferring data via in-band signaling in a audio channel of a communication network. Techniques include causing an audio decoding process to modify the decoding of audio signals for the audio channel based on obtaining an indication of in-band signaling. ... Qualcomm Incorporated

Methods and systems for a ranging protocol

Disclosed are methods, systems and devices for obtaining a range between devices based, at least in part, on an exchange of wireless messages. For example, wireless devices may obtain measurements of range based, at least in part, on an exchange fine timing measurement (ftm) messages. ... Qualcomm Incorporated

Acquiring global positioning system (gps) information in mobile devices

Various examples include methods for assisting global positioning system (gps) applications using a long term evolution (lte) subscription on a wireless communication device. Various example methods may include determining whether positioning information can be obtained from a first network associated with the lte subscription, obtaining the positioning information from the first network through the lte subscription in response to determining that the positioning information can be obtained from the first network, translating the positioning information into a format recognizable to a gps application executing on the wireless communication device, and providing the positioning information to the gps application.. ... Qualcomm Incorporated

Enhanced intra-prediction mode signaling for video coding using neighboring mode

This disclosure describes techniques for intra-prediction mode signaling for video coding. In one example, a video coder is configured to determine, for a block of video data, a set of most probable intra-prediction modes such that the set of most probable intra-prediction modes has a size that is equal to a predetermined number that is greater than or equal to two. ... Qualcomm Incorporated

Device to detect and drop potentially dangerous payloads received over-the-air on wireless devices

Aspects of the disclosure are related to a method for installing one or more filtering rules, comprising: receiving the filtering rules; and installing the filtering rules into a mobile network modem, in which each filtering rule may be associated with a layer of an over-the-air (ota) protocol stack and specifies a type of payload and one or more conditions for the payload.. . ... Qualcomm Incorporated

Wireless communication utilizing a unified air interface

Various aspects of the present disclosure provide for methods, apparatus, and computer software for enabling a single media access control (mac) layer to control a variety of physical (phy) layers or entities for multiplexing signals corresponding to each of the phy layers over an air interface. Here, the mac layer may include a resource manager configured to determine a time-frequency resource allocation within the air interface for communication with one or more subordinate entities utilizing each of the phy layers. ... Qualcomm Incorporated

Systems and methods for provisioning devices

Systems and methods for provisioning devices to access a wireless communication network are described. This provisioning is based upon a correlation between a first time value when operating power is applied to a first device, and a second time value when operating power is applied to a second device. ... Qualcomm Incorporated

Methods and apparatus for multiple user uplink

Methods and apparatus for multiple user uplink are provided. In one aspect, a method of wireless communication is provided. ... Qualcomm Incorporated

Relay operation for latency sensitive reliable data exchange

Systems and methods are disclosed for using wireless relays to create path diversity in rebroadcasting data in wireless networks with latency sensitive applications. A first wireless communication device receives a data signal, the data signal being transmitted on a first frequency resource from a second wireless communication device to a third wireless communication device. ... Qualcomm Incorporated

Protocol layer packet coding for transmitter/receiver buffer optimization

A method, an apparatus, and a processor-readable storage medium for wireless communication are provided. A transmitter transmits data packets to a receiver, encodes the data packets to generate parity packets, stores the parity packets in a retransmission buffer, receives information from the receiver indicating that a data packet was not correctly decoded, and transmits to the receiver the parity packets stored in the retransmission buffer for recovering the data packet not correctly decoded without retransmitting the data packet not correctly decoded. ... Qualcomm Incorporated

Low cost cableless ground station antenna for medium earth orbit satellite communication systems

A ground station antenna is described herein including a moving feed plate with a first power transfer unit arranged on the moving feed plate. The ground station antenna also includes a fixed plate. ... Qualcomm Incorporated

Techniques for detecting and cancelling interference in wireless communications

Various aspects described herein relate to cancelling interference in wireless communications. Energy level detection of a received signal can be performed to determine an allocation size and position corresponding to an interfering device in the received signal. ... Qualcomm Incorporated

High rejection wideband bandpass n-path filter

Certain aspects of the present disclosure provide an n-path filter implemented using a generalized impedance converter (gic) circuit. The gic circuit is configured such that the n-path filter has a desired frequency response, which may include a wide passband with steeper rejection than a conventional n-path filter with only a single pole in each filter path. ... Qualcomm Incorporated

Antenna deployment for medical implants

A biomedical system includes: a medical implant capsule including an outer body, an electric device retained by the outer body, and a power input coupled to the electric device, the medical implant capsule having a length, along an axis, and a width transverse to the axis; and an antenna coupled to the power input and configured to: receive power wirelessly and to deliver the power to the power input; wrap around the medical implant capsule, in a transit state, transverse to the length of the medical implant capsule for a distance greater than the width of the medical implant capsule; and expand to a deployed state, at least part of the antenna being further from the axis in the deployed state than in the transit state.. . ... Qualcomm Incorporated

Signal delivery and antenna layout using flexible printed circuit board (pcb)

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication, and more particularly, to using a flexible printed circuit board (pcb) to convey signals between a radio frequency (rf) module and a baseband module. The flexible pcb can then be used as a medium for deploying antennas or creating arrays of multiple rf modules.. ... Qualcomm Incorporated

Memory with improved write time and reduced write power

A memory is provided in which the word line assertion during a write operation is delayed until the discharge of a dummy bit line is detected.. . ... Qualcomm Incorporated

Unified multi-image fusion approach

Systems and methods are provided for merging multiple images to produce a single fused image having desirable image characteristics derived from the multiple images. For example, the system may determine image characteristics for first and second images. ... Qualcomm Incorporated

Object-focused active three-dimensional reconstruction

A method for guiding a robot equipped with a camera to facilitate three-dimensional (3d) reconstruction through sampling based planning includes recognizing and localizing an object in a two-dimensional (2d) image. The method also includes computing 3d depth maps for the localized object. ... Qualcomm Incorporated

Methods and apparatus for improving buffer size setting for one or more buffer status reports

Certain aspects of the present disclosure relate to methods and apparatus for improving buffer size setting for one or more buffer status reports, such as one or more extended buffer status reports (ebsrs) in a wireless communication system. According to certain aspects, a method is provided herein for wireless communications performed by a user equipment (ue). ... Qualcomm Incorporated

Priority-based data communication over multiple communication buses

Priority-based data communication over multiple communication buses is disclosed. In this regard, an electronic device is communicatively coupled to a first communication bus and a second communication bus. ... Qualcomm Incorporated

Providing scalable dynamic random access memory (dram) cache management using tag directory caches

Providing scalable dynamic random access memory (dram) cache management using tag directory caches is provided. In one aspect, a dram cache management circuit is provided to manage access to a dram cache in a high-bandwidth memory. ... Qualcomm Incorporated

Systems and methods for providing power efficiency via memory latency control

Systems, methods, and computer programs are disclosed for controlling power efficiency in a multi-processor system. The method comprises determining a core stall time due to memory access for one of a plurality of cores in a multi-processor system. ... Qualcomm Incorporated

Prediction-based power management strategy for gpu compute workloads

A device for processing data includes a processing unit configured to predict an execution time of a compute kernel on a secondary processing unit and, based on the predicted execution time, make a power management decision for the secondary processing unit.. . ... Qualcomm Incorporated

Focus hunting prevention for phase detection auto focus (af)

Methods and apparatuses for focus hunting prevention for phase detection auto focus (af) are disclosed. In one aspect, the method is operable by an imaging device, for preventing focus hunting during a phase detection af process. ... Qualcomm Incorporated

Implementation of the focal plane 2d apd array for hyperion lidar system

Aspects of the disclosure are related to a lidar device, comprising: a vibrating fiber optic cantilever system on a transmit (tx) path; and a two-dimensional (2d) light sensor array on a receive (rx) path.. . ... Qualcomm Incorporated

Local area network assisted positioning

A method for assisting in locating a position of a mobile wireless device comprises: obtaining visible-station indications identifying base stations that are visible from the mobile wireless device, the base stations comprising at least one cooperative terrestrial base station and at least one uncooperative wifi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device; sending, to an almanac processor, an indication of an approximate location of the mobile wireless device that comprises the visible-station indications; receiving an almanac of base stations comprising at least some of the visible-station indications and location indications indicating locations of the base stations visible from the mobile wireless device that correspond to the at least some of the visible-station indications; and determining a location of the mobile wireless device using the location indications.. . ... Qualcomm Incorporated

Rate control of device-to-device based relay communication

In one aspect of the disclosure, to improve the performance of device-to-device based relay communication, a method, a computer-readable medium, and an apparatus for performing rate control based on feedback from participating ues are provided. The apparatus may be a first ue. ... Qualcomm Incorporated

Scheduling request during connected discontinuous reception off period

A user equipment (ue) enhances battery power during a connected discontinuous reception (c-drx) off period. In one instance, the ue determines whether data arrives in a buffer of the ue and when a scheduling request occasion falls into a c-drx off period (connected discontinuous reception off period). ... Qualcomm Incorporated

Protecting critical communication activity from a tune-away

Various embodiments include multi-subscription multi-standby communication devices and methods for managing communication activity. A device processor of the multi-subscription multi-standby communication device may determine a timing of an upcoming tune-away from a first subscription to a second subscription, and may determine whether an upcoming communication activity on the first subscription is a critical communication activity. ... Qualcomm Incorporated

Systems and methods for improving call performance during cell selection on a multi-subscriber identity module (sim) wireless communication device

A multi-subscriber identity module (sim) wireless communication device performing early camping in initial cell selection or reselection may detect an active communication on a modem stack associated with a first sim, and a condition requiring initial cell selection/reselection on a modem stack associated with a second sim. In response to receiving a paging message for the second sim, the wireless communication device may trigger a radio resource to tune to a frequency of an identified target cell of the second sim, receive a first portion of system information broadcast by the identified target cell, and determine whether initial cell selection/reselection to the identified target cell is complete. ... Qualcomm Incorporated

Mode indication for wireless devices

Certain aspects of the present disclosure relate to methods and apparatus for wireless communication. More particularly, aspects of the present disclosure generally relate to techniques for providing an indication of an operating mode involving an enhanced modulation scheme.. ... Qualcomm Incorporated

Raster design for narrowband operation for machine type communications

Aspects of the present disclosure provide techniques for design of channel raster for narrowband operation. One example method, performed by a base station, generally includes determining, based on one or more conditions, an exact frequency location of one channel of one or more channels to perform narrowband communications with a user equipment. ... Qualcomm Incorporated

Uplink grants for narrowband internet-of-things

Certain aspects of the present disclosure relate to methods and apparatus for uplink grant design for narrow-band internet of things (nb-iot). A method is provided for wireless communications by a user equipment (ue). ... Qualcomm Incorporated

Communication of uplink control information

Methods and apparatuses for wireless communication are provided. A transmitting apparatus receives an indication to use multiple subframes to send uplink control information, codes the uplink control information over the multiple subframes based on the indication, and sends the coded uplink control information via the multiple subframes. ... Qualcomm Incorporated

Shortened control channel resource mapping

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may transmit a control message during a special subframe of a radio frame. ... Qualcomm Incorporated

Low latency control overhead reduction

Systems, methods, and apparatuses for wireless communication are described. Multiple latency modes may be concurrently supported. ... Qualcomm Incorporated

Server for crowdsourcing information in a communication network using small cells

Methods, systems, computer-readable media, and apparatuses for using a small cell as a reliable crowd-sourcing agent are presented. In some embodiments, a small cell installed at a known location may observe one or more wireless signals at the known location, wherein the small cell comprises a built-in network listen receiver for observing cellular downlink signals. ... Qualcomm Incorporated

Dynamic channel selection for neighbor aware network (nan) data link (ndl)

Aspects of the present disclosure provide techniques for dynamic channel selection for devices communicating via neighbor aware network (nan) data link (ndl). As described herein, a nan apparatus may evaluate a condition of one or more channels available for use by other devices of a cluster and the apparatus, select one of the one or more channels as an operating channel for the cluster and the apparatus based, at least in part, on the evaluated condition, and output an indication of the selected operating channel for transmission to the other devices in the cluster. ... Qualcomm Incorporated

Inter radio access technology measurement during connected discontinuous reception

A user equipment (ue) reduces call drops caused by a delayed transmission of a measurement report. In one instance, the ue enters a sleep duration in a current c-drx cycle (connected discontinuous reception cycle) while in connected mode on a serving cell of a first rat (radio access technology). ... Qualcomm Incorporated

Techniques for providing uplink-based mobility

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes identifying, while the ue is in a connected mode with a network, a radio resource configuration of the ue, selecting a dedicated set of resources for the ue or a common set of resources for a plurality of ues based at least in part on the identified radio resource configuration, and transmitting a pilot signal to the network using the selected set of resources. ... Qualcomm Incorporated

Deriving a wlan security context from a wwan security context

Techniques for deriving a wlan security context from an existing wwan security context are provided. According to certain aspects, a user equipment (ue) establishes a secure connection with a wireless wide area network (wwan). ... Qualcomm Incorporated

Load balancing in a wireless network with multiple access points

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for load balancing network traffic in a wireless network. In one aspect, an access point may determine a plurality of client devices that are associated with an overloaded channel of the wireless network. ... Qualcomm Incorporated

Real-time transport protocol congestion control techniques in video telephony

The present disclosure describes a method, an apparatus, and a computer readable medium for congestion control in wireless communications. For example, the example method may include determining a plurality of picture transmission deltas, wherein a picture transmission delta is a difference between transmission times of two consecutive pictures. ... Qualcomm Incorporated

User equipment silencing based on clear channel assessment in shared spectrum

Methods, systems, and devices for wireless communication are described. A wireless device communicating critical or latency sensitive information may determine that a transmission has failed in a shared radio frequency (rf) spectrum band. ... Qualcomm Incorporated

Protected control frames

Certain aspects of the present disclosure generally relate to wireless communications and, more particularly, to protecting control frames with power-related subfields. One example apparatus for wireless communications generally includes a processing system configured to generate a control frame comprising one or more power-related subfields and an integrity check value calculated based, at least in part, on the one or more power-related subfields and a transmitter configured to transmit the control frame. ... Qualcomm Incorporated

Spectrum access server support of resource assignments based on radio access network coexistence information

Aspects of the present disclosure relate to methods and apparatus for spectrum access server support of resource assignments based on radio access network coexistence information. An example method generally includes obtaining information regarding capability of different entities requesting use of the shared radio resources, estimating compatibility between the different entities based on the information, and allocating the shared radio resources to the different entities based on the estimated compatibility.. ... Qualcomm Incorporated

Identifying a domain for delivery of message service information

An indication is used to control how message service information is routed over different domains. For example, an access terminal may be configured with an indication that indicates that a message service is preferred to be invoked over an ip domain or that the message service is not be invoked over the ip domain. ... Qualcomm Incorporated

Multi-type-tree framework for video coding

A method of decoding video data including receiving a bitstream that includes a sequence of bits that forms a representation of a coded picture of the video data, partitioning the coded picture of the video data into a plurality of blocks using three or more different partition structures, and reconstructing the plurality of blocks of the coded picture of the video data. Partitioning the coded picture of the video data may include partitioning the coded picture of the video data into the plurality of blocks using the three or more different partition structures, wherein at least three of the three or more different partition structures may be used at each depth of a tree structure that represents how a particular block of the coded picture of the video data is partitioned.. ... Qualcomm Incorporated

Methods for detecting security incidents in home networks

Methods and system for detecting anomalous behavior in a home network is performed by an access point. The access point passively monitors, within the home network, network traffic corresponding to each of a number of devices associated with it, without an approval from any of the number of devices. ... Qualcomm Incorporated

Method and system for onboarding wireless-enabled products in a network

Various embodiments provide systems and methods for connecting wireless-enabled products to wireless networks. Customer network credentials may be stored in a server along with a customer identifier (“customer id”) during one-time registration. ... Qualcomm Incorporated

Regulating responses based on request addressing or request channels

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be configured to transmit a request message to a plurality of access points. ... Qualcomm Incorporated

Methods and apparatus for enhanced overlay state maintenance

Methods and apparatus for enhanced overlay state maintenance in a peer-to-peer overlay network. A first method includes inferring that a first node is leaving the overlay network, and transmitting a decrement message to decrement a size counter value. ... Qualcomm Incorporated

Techniques for extending an ofdm waveform for multiplexing

Aspects of the present disclosure provide systems, methods, and apparatuses for implementing the multiplexing of different orthogonal frequency-division multiplexing (ofdm) waveforms using a transmitter and receiver configured to process different types of signals without a need for distinct hardware structures. In one example, aspects of the present disclosure may include a transmitter configured to transmit both a first type of discrete fourier transform (dft)-spread ofdm waveform and a second type of dft-spread ofdm waveform that may be multiplexed over the wireless channel. ... Qualcomm Incorporated

Fly feedback

In certain aspects of the present disclosure an apparatus for wireless communication comprises a processing system and an interface. The processing system is configured to generate a preamble and a first data portion of a frame, wherein the preamble includes information for receiving the frame at a device, receive a message from the device, wherein the message provides feedback of reception of the first data portion by the device, and generate a second data portion of the frame. ... Qualcomm Incorporated

Narrow band ack / nack transmissions

The present disclosure provides various modifications to existing techniques for transmitting ack and/or nack in an narrow band communications system. For example, in a first aspect, an apparatus receives a downlink transmission and transmits a single tone ack on an ack channel using time-spreading. ... Qualcomm Incorporated

System and method for heterogeneous carrier aggregation

Techniques for aggregating heterogeneous carriers in a wireless communication system are disclosed. A mobile device may receive a configuration for aggregating a plurality of component carriers including one or more cellular carriers and a wireless local area network (wlan) carrier. ... Qualcomm Incorporated

Harq llr buffer and reordering buffer management

Certain aspects of the present disclosure relate to methods and apparatus for management of hybrid automatic repeat request (harq) log likelihood ratio (llr) and reordering buffers in wireless communication systems. According to certain aspects, a method for reducing buffer overhead that may be performed by a wireless node is provided. ... Qualcomm Incorporated

Unified code block segmentation providing a cyclic redundancy check for low density parity check code codewords

Techniques are described for wireless communication. One method includes selecting an encoding type for each payload of a plurality of payloads. ... Qualcomm Incorporated

Methods and apparatus for higher modulation support in lte

Certain aspects of the present disclosure relate to methods and apparatus for determining support for one or more modulation orders to use for the transmission of control channel(s) and data channel(s). In one aspect, a user equipment (ue) determines, based on at least three modulation and coding scheme (mcs) tables, a first modulation scheme to use for communications with a wireless device for a first subset of subframes, and a second modulation scheme to use for communications with the wireless device for a second subset of subframes. ... Qualcomm Incorporated

Sensor with concurrent data streaming using various parameters

Embodiments implement a device having a sensor element, where different data streams created as part of a sensor module integrated with the sensor element may create multiple sensor data streams from a single sensor element, and may concurrently convey information from the sensor element to respective different applications having different data parameter requirements such that the data streams each match the parameter requirements of the different applications.. . ... Qualcomm Incorporated

Beamforming training using multiple-input and multiple-output transmission scheme

Certain aspects of the present disclosure relate to beamforming training using a multiple-input and multiple-output (mimo) transmission scheme. Certain aspects of the present disclosure provide an apparatus that generally includes a processing system configured to generate a frame associated with beamforming training, the frame comprising an indication of whether the beamforming training is to be performed using a multiple-input and multiple-output (mimo) transmission scheme. ... Qualcomm Incorporated

Methods and apparatus for wirelessly transferring power

This disclosure provides methods and apparatus for wirelessly receiving power. An aspect of the invention is an apparatus for receiving wireless power. ... Qualcomm Incorporated

Method and apparatus for coexistence between communication and wireless power transfer devices

An apparatus for wirelessly transmitting charging power is provided. The apparatus comprises a transmit coil configured to generate a wireless charging field for wirelessly transmitting charging power when driven by a current. ... Qualcomm Incorporated

Nanowire metal-oxide semiconductor (mos) field-effect transistors (fets) (mosfets) employing a nanowire channel structure employing recessed conductive structures for conductively coupling nanowire structures

Nanowire metal-oxide semiconductor (mos) field-effect transistors (fets) (mosfets) employing a nanowire channel structure employing recessed conductive structures for conductively coupling nanowire structures are disclosed. Conductive structures are disposed between adjacent nanowire structures to conductively couple nanowire structures. ... Qualcomm Incorporated

Integrated device package comprising a real time tunable inductor implemented in a package substrate

Some features pertain to a device package that includes a die and a package substrate. The die includes a first switch. ... Qualcomm Incorporated

Integrated device package comprising a tunable inductor

Some features pertain to a package substrate that includes at least one dielectric layer, an inductor in the at least one dielectric layer, a first terminal coupled to the inductor, a second terminal coupled to the inductor, and a third terminal coupled to the inductor. The first terminal is configured to be a first port for the inductor. ... Qualcomm Incorporated

Information flow tracking using incremental profiling

Various embodiments may include methods, devices, and non-transitory processor-readable media for performing information flow tracking during execution of a software application. A hybrid static/dynamic analysis may be used to track information flow during execution of a software application. ... Qualcomm Incorporated

User interface for a mobile device

A method for operating a mobile device includes generating a user interface at a processor. The user interface includes one or more virtual objects. ... Qualcomm Incorporated

Managing processing capacity provided to threads based upon load prediction

A method and device for managing processing capacity are disclosed. The method includes creating, for a thread, a plurality of buckets, each of the buckets representing one of a plurality of normalized-load ranges. ... Qualcomm Incorporated

Random-access disjoint concurrent sparse writes to heterogeneous buffers

Methods, devices, and non-transitory processor-readable storage media for a computing device to merge concurrent writes from a plurality of processing units to a buffer associated with an application. An embodiment method executed by a processor may include identifying a plurality of concurrent requests to access the buffer that are sparse, disjoint, and write-only, configuring a write-set for each of the plurality of processing units, executing the plurality of concurrent requests to access the buffer using the write-sets, determining whether each of the plurality of concurrent requests to access the buffer is complete, obtaining a buffer index and data via the write-set of each of the plurality of processing units, and writing to the buffer using the received buffer index and data via the write-set of each of the plurality of processing units in response to determining that each of the plurality of concurrent requests to access the buffer is complete.. ... Qualcomm Incorporated

User interface for a mobile device

A method for generating a user interface at a mobile device includes receiving an indication of a user configurable pattern at a processor. The user configurable pattern indicates locations on a user interface that are spatially separated. ... Qualcomm Incorporated

Capacitive touch sense architecture having a correlator for demodulating a measured capacitance from an excitation signal

An analog front end circuit utilizes coherent detection within a capacitance measurement application. The analog front end circuit uses coherent detection to measure capacitance of a touch screen display. ... Qualcomm Incorporated

Wake-up detector