Qualcomm Incorporated

Shrenik Patel

Sang-June Park

Vasanthan Raghavan

Raghu Narayan Challa

Kang Yang

Bhushan Shanti Asuri

Tao Luo

Gurkanwal Singh Sahota

Mihir Vijay Laghate

Li Liu

Timo Ville Vintola

Peter S Gaal

Joseph Binamira Soriaga

Roberto Rimini

Chiewcharn Narathong

Chuan Wang

Steven C Ciccarelli

Junyi Li

Sony Akkarakaran

Alexei Yurievitch Gorokhov

Kaushik Chakraborty

Mohammad Ali Tassoudji

Ruhua He

Lai Kan Leung

Udara Fernando

Dongwon Seo

Rajagopalan Rangarajan

Le Nguyen Luong

Shahin Mehdizad Taleie

Kevin Hsi-Huai Wang

Mingming Cai

Wu-Hsin Chen

Revathi Sundara Raghavan

Sudarsan Krishnan

Damin Cao

Siddharth Kamath

Michael Burke

Abhilash Bangalore Ravi

Muhammad Nazmul Islam

Jung Ho Ryu

Liang Zhao

Sundar Subramanian

Juergen Cezanne

Ashwin Sampath

Bilal Sadiq

Brian Clarke Banister

Abdellatif Bellaouar

Rahul Malik

Jeremy Darren Dunworth

Roland Reinhard Rick

Aleksandar Miodrag Tasic

Peter J Shah

Frederic Bossu

Tevfik Yucek

Chinmaya Mishra

Francis M Ngai

Prasad Srinivasa Siva Gudem

Jingcheng Zhuang

Prasad S Gudem

Vinod Panikkath

Michael Kohlmann

Behnam Sedighi

Paul J Draxler

Stefan Franz

Yuanning Yu

Yunfei Feng

Thomas Domenick Marra

Carl Hardin

Soon-Seng Lau

Philip David Coan

Jong Min Park

Zixiang Yang

Dongjiang Qiao

Anant Gupta

Siavash Ekbatani

Shriram Gurumoorthy

Parisa Mahmoudidaryan

Pritesh Vora

Anushruti Bhattacharya

Ajay Devadatta Kanetkar

Nikhil Anand Muthya

Chen Jiang

Laya Mohammadi

Orhan C Ozdural

Wei-Hao Lin

Saraswathi Palakurty

Praveen Sampath

Steven Charles Ciccarelli

Thomas D Marra

A radio system architecture includes a receiver having multiple sub arrays in a phased array, the multiple sub arrays configured to perform carrier aggregation (CA) and multiple input multiple output (MIMO) signal processing, and provide independent beam management for multiple radio frequency (RF) signals received at each of the multiple sub arrays, and a data processor configured to receive signals from the receiver and extract information regarding wireless communications.

Phased array antenna architecture

Methods, systems, and devices for wireless communication are described. Techniques to use capability information for user equipment in wide band systems such as millimeter wave systems. The capability information can include information indicative of support for limited non-contiguous intra-band carrier aggregation. The capability information can include information indicative of support for sharing time and frequency tracking information between cells.

Carrier aggregation capability signaling

Various aspects of the present disclosure generally relate to wireless communication and testing. In some aspects, a device may receive information identifying a mount orientation of a wireless communication device, wherein the mount orientation indicates an orientation of a coordinate system of the wireless communication device relative to a coordinate system of a positioner. The device may capture measurement information at each position of a set of positions of the wireless communication device, wherein the set of positions comprises positions of the wireless communication device as the wireless communication device is rotated around an axis by the positioner, and wherein the measurement information is captured based at least in part on the mount orientation. The device may provide information identifying the measurement information. Some techniques and apparatuses described herein may use the measurement information to generate a codebook for beam generation. Numerous other aspects are provided.

Beam characterization

Certain aspects of the present disclosure generally relate to jamming detection for radio frequency (RF) front-end circuitry. For example, certain aspects provide an apparatus having a first counter configured to count a number of times that a power of a reception signal exceeds a first threshold. The apparatus also includes a second counter configured to count a number of measurements of the power of the reception signal. The apparatus further includes control logic having a first input coupled to an output of the first counter and having a second input coupled to an output of the second counter. The control logic is configured to determine an amount of jamming over a measurement window based on the number of times that the power of the reception signal exceeds the first threshold and on the number of measurements.

Jammer detection system

Methods, systems, and devices for wireless communication are described. In some systems, a user equipment (UE) may transmit, to a network entity, a first signal including a request to update a resolution of a phase shifting operation associated with beam-based communications. The UE may receive, from the network entity, a second signal approving the request. The UE may communicate using a beam according to an updated resolution of the phase shifting operation based on the second signal approving the request. Additionally, or alternatively, the UE may transmit a first signal including a request to suspend a beam refinement process based on the resolution of the phase shifting operation. The UE may receive a second signal approving the request to suspend the beam refinement process. The UE may communicate with the network entity using a beam based on suspending further beam refinement in response to the second signal.

Techniques for managing low or variable phase shift resolutions in beam-based communications

Methods, systems, and devices for wireless communications are described. A first wireless device may transmit, to a second wireless device, capability control signaling indicating a first quantity of beam switches is supported within a first time period for a first antenna subarray, a first antenna module, or both, of the first wireless device. The first wireless device may receive from the second wireless device in accordance with the capability control signaling, a grant scheduling one or more messages and indicating a set of beams of the first wireless device over which to communicate the one or more messages in respective transmission time intervals (TTIs) of the first time period. The first wireless device may then transmit or receive, over the first time period using the first antenna subarray, the first antenna module, or both, the one or more messages using the set of beams.

Techniques for indicating beam switching capability

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to determine a PSD based on a transmission power associated with transmission of an uplink signal. The apparatus may be configured to select one of a first beam or a second beam for the transmission of the uplink signal based on the PSD. The second beam may be wider than the first beam, and may be generated by a single antenna element of the apparatus. The apparatus may be configured to transmit the uplink signal using the selected one of the first beam or the second beam.

System and method for controlling beam type in signal transmission

Methods, systems, and devices for wireless communications are described. A communications device may transmit, to a second communications, a request to update a phase shifter configuration. The first communications device may receive, from the second communications device and in response to the request, a response accepting the request to update the phase shifter configuration. The first communications device may then transmit, to the second communications device, an uplink transmission in accordance with the updated phase shifter configuration based on receiving the response. The first communications device may include a first user equipment (UE) and the second communications device may include a second UE or a base station.

Techniques for enabling power savings with phase shifter configurations

Methods, apparatuses, and computer-readable medium for DPD are provided. An example method may include receiving, from a base station, an uplink grant associated with one or more resources. The example method may further include transmitting, to the UE via the one or more resources, a DPD training signal at a first port of a plurality of ports. The example method may further include receiving, at a second port of the plurality of ports, the DPD training signal.

DPD training and calibration

A system for power amplifier control includes a processor, a memory in communication with the processor, wherein the processor and the memory are configured to simultaneously provide input signal strength of each of a plurality of power amplifiers in a millimeter wave (mmW) phased array system, determine an average input signal strength of the plurality of power amplifiers based on the provided input signal strengths using an analog-to-digital converter (ADC), determine a voltage headroom for the plurality of power amplifiers based on the determined average input signal strength, estimate a power backoff value based on the voltage headroom, and determine a gain control value based on the estimated power backoff value.

System and method for power amplifier control in a millimeter wave communication system

A user equipment (UE) includes a first communication component configured to use a first frequency band, such as ultra-wide band (UWB), and a second communication component configured to use an intermediate frequency (IF) band that overlaps with the UWB band, such as an IF millimeter wave (mmWave) band. The second communication component conducts an IF signal along an internal signal conduction line that may interfere with UWB processing. A processor of the UE is configured to detect an indication of such interference, and, in response to the indication of interference, control the second communication component to adjust a characteristic of the IF band signal to mitigate the interference, such as by reducing its signal strength. The amount by which the IF band signal strength is reduced may be controlled to achieve a desired tradeoff between various performance metrics, such as power consumption and quality of service.

Radio frequency coexistence mitigations within wireless user equipment handsets

Devices and methods for detection of active return loss for an antenna element of a plurality of antenna elements of a phased array antenna are provided. An exemplary device can convert a voltage differential at an input of a power amplifier (PA) to first current. The device can convert a coupled voltage corresponding to a signal transmitted from the PA to a respective antenna element, to a second current. The device can convert a reflected voltage corresponding to a signal reflected from the respective antenna element, to a third current. The device can convert the first current, the second current, and the third current to an output voltage at a generator output. The device can further have a controller that can adaptively generate codebooks for transmission based on the output voltage.

System and method for active S11 detection in phased array transceivers

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San Diego, CA, United States of America

Shrenik Patel