Qualcomm Incorporated

Mustafa Keskin

Robert P Gilmore

Louis Dominic Oliveira

Marzio Pedrali-Noy

Guoqing Miao

Sameer Wadhwa

James Ian Jaffee

Paul Brian Sheehy

Khalid Junaid Sidiqi

Danlu Zhang

Roberto Rimini

Yiwu Tang

Ankit Srivastava

Bala Ramasamy

Seyfollah Seyfollahi Bazarjani

Charles James Persico

Brett Christopher Walker

Sungrack Yun

Muhammed Ibrahim Sezan

Cheong Kun

Dongmin Park

Yunliang Zhu

Yue Chao

Yi-Hung Tseng

Lindsey Makana Kostas

Baptiste Grave

Derick Hugunin

Kee-Hyun Park

Murat Cakir

Salih Dikbas

Hani Ahmad-Assi

Younghyun Lim

In some aspects, a device may receive a plurality of temperature measurements from a plurality of sensors of the device. The plurality of temperature measurements may indicate a temperature of one or more components of the device during a time window. The device may determine, based at least in part on the plurality of temperature measurements, an acceleration and a rate at which the temperature of the device changes during the time window. The device may perform one or more actions based at least in part on the acceleration and the rate at which the temperature of the device changes during the time window. Numerous other aspects are described.

Time-windowed heatmaps in mobile applications

A method for recovering from a power failure includes detecting a power collapse at a first voltage regulator supplying a first subsystem. The method also includes coupling a supply voltage rail or a voltage supply node of the first subsystem to a second voltage source, in response to detecting the power collapse at the first voltage regulator. The method further includes receiving power, at the first subsystem, from the second voltage source in response to the coupling of the first subsystem to the second voltage source.

Recovery circuit for power failure on automotive power management integrated circuit (PMIC) devices

Aspects described herein include devices and methods for an envelope tracking power supply. In some aspects, the envelope tracking power supply includes an envelope signal input port, an output power port, an input interface circuit coupled to the envelope signal input port, sensing and conditioning circuitry, and amplifier circuitry coupled between the input interface circuit and the sensing and conditioning circuitry, the amplifier circuitry having one or more control inputs. The envelope tracking power supply additionally includes switcher circuitry coupled to the output of the sensing and conditioning circuitry, and the output power port, and the supply further includes output filter circuitry coupled to the output power port and machine learning circuitry configured to receive state tracking data for performance of a transmit power amplifier (PA) that receives power via the output power port.

Radio frequency (RF) front end envelope tracking with machine learning

In some aspects, a user equipment (UE) may identify a boundary for interacting with content. The UE may determine a center of gravity within the boundary for interacting with the content. The UE may modify the content in accordance with the center of gravity. Numerous other aspects are described.

Content modification for improving user safety

A compute-in-memory array is provided in which each neuron includes a capacitor and an output transistor. During an evaluation phase, a filter weight voltage and the binary state of an input bit controls whether the output transistor conducts or is switched off to affect a voltage of a read bit line connected to the output transistor.

Charge-pump-based current-mode neuron for machine learning

Aspects presented herein may enable a wireless device to dynamically change the frequencies of its pilot tones based on the distance of one or more objects detected, thereby enabling the wireless device to utilize the advantages of both high frequency pilot tone and low frequency pilot tone. In one aspect, a wireless device transmits a first pilot tone at a first frequency. The wireless device detects whether there is an object within a specified distance of the wireless device based on a reflected signal of the first pilot tone. The wireless device transmits a second pilot tone at a second frequency based on at least one object being detected within the specified distance, where the second frequency is higher than the first frequency. The wireless device calculates a first distance of the at least one object with respect to the wireless device based the second pilot tone.

Acoustic-based positioning with dynamic frequency pilot tone

A processor-implemented method for managing bus traffic of a system-on-a-chip (SoC) includes receiving a mixed signal in a computing device including the SoC. One or more polarity changes of a slope of a waveform corresponding to the mixed signal are detected. One or more of an analog-to-digital converter (ADC) or a portion of SoC bus traffic related to ADC operation are selectively disabled between one or more polarity changes in the slope of the waveform.

Waveform-aware mixed signal measurement system for bus traffic reduction in system-on-a-chip devices

Methods and apparatus for supplying power to a dynamic load, such as a neural network circuit. One example power supply circuit generally includes a voltage regulator circuit and a distribution circuit coupled to one or more outputs of the voltage regulator circuit. The distribution circuit is configured to output different amounts of current based on changes in the dynamic load. For certain aspects, the dynamic load includes a neural network circuit having a plurality of segments. In this case, the distribution circuit may be configured to output the different amounts of current based on which segment in the plurality of segments of the neural network circuit is active.

Neural-network-based power management for neural network loads

Aspects described herein include devices and methods for phase lock loop (PLL) output sharing between multiple communication chains in a wireless communication apparatus. In one aspect, an apparatus includes phase locked loop (PLL) circuitry having a shared PLL output, radar signal generation circuitry, a first transmission chain coupled to the shared PLL output and the radar signal generation circuitry, and a second transmission chain coupled to the shared PLL output and the radar signal generation circuitry.

Shared phase-locked loop (PLL) circuitry for multiple transmission chains

This disclosure provides methods, devices, and systems for troubleshooting operation of an electronic device, the method comprising by receiving performance data from a plurality of electrical components, and including a portion of the performance data within a dynamic time window. The portion includes event data. The dynamic time window may be manipulated to include dependent event data within the portion. The dependent event data shares an interdependency with the event data. Troubleshooting analysis determined from the interdependency may be output.

Dynamic time windowing for dependencies of hardware-failure and log-file events in internet of things (IoT) and other devices

An apparatus is disclosed for making circuitry with passive fundamental components more robust. In example implementations, an apparatus includes at least one passive fundamental component and at least one redundant passive fundamental component. The apparatus also includes fault tolerant circuitry coupled to the at least one passive fundamental component and the at least one redundant passive fundamental component. The fault tolerant circuitry includes fault detection circuitry configured to detect a fault of the at least one passive fundamental component. The fault tolerant circuitry also includes component repair circuitry configured to disconnect the at least one passive fundamental component based on the fault.

Robust circuitry for passive fundamental components

Aspects of the disclosure relate to a ring oscillator (RO) frequency divider configured to frequency divide an input clock by a programmable divider ratio to generate an output clock. In this regard, the RO frequency divider receives the input clock, enables each of a ring of N cascaded inverter stages substantially one at a time in response to the input clock; and outputs a second clock from an output of one of the ring of N cascaded inverter stages. In one aspect, each stage includes a p-channel metal oxide semiconductor field effect transistor (PMOS FET) coupled in series with an n-channel metal oxide semiconductor field effect transistor (NMOS FET). In another, each stage includes two PMOS FETs and an NMOS FET.

Ring oscillator based frequency divider

A method and an apparatus to provide bandgap calibration for multiple outputs are disclosed. In one implementation, a computing chip includes a bandgap current generator; a first adjustable current output coupled to the bandgap current generator; a second adjustable current output coupled to the bandgap current generator; a first switch selectively coupling the first adjustable current output to a calibration circuit and to a first analog-to-digital converter (ADC); and a second switch selectively coupling the second adjustable current output to a load on the computing chip and to the ADC.

Circuits and methods providing bandgap calibration for multiple outputs

A method, an apparatus, and a computer program product for a camera zoom function are provided. The method includes associating a camera zoom with at least one sensor, detecting a physical characteristic of the camera with the at least one sensor, and adjusting the camera zoom based on the detected physical characteristic of the camera. The detecting the physical characteristic and the adjusting the camera zoom are continuous. An apparatus is provided and includes a camera, a memory, and at least one processor coupled to the memory. The at least one processor is configured to associate a camera zoom with at least one sensor, detect a physical characteristic of the camera with the at least one sensor, and adjust the camera zoom based on the detected physical characteristic of the camera. The detecting the physical characteristic and the adjusting the camera zoom are continuous.

Camera zoom based on sensor data

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. The described aspects further include activating, by a controller at the UE, the one or more sensors in response to receiving the first input. Further, the described aspects include receiving the sensor data from each of the one or more sensors in response to activating the one or more sensors. The described aspects include determining whether a sensor adjustment condition has been satisfied. Additionally, the described aspects include adjusting an acquisition characteristic of the one or more sensors based on determining that the sensor adjustment condition has been satisfied.

Growing community of inventors

San Diego, CA, United States of America

Mustafa Keskin