公开(公告)号：US20250080177A1

公开(公告)日：2025-03-06

申请号：US18949792

申请日：2024-11-15

Applicant: QUALCOMM Incorporated

Inventor： Min HUANG ,  Yu ZHANG ,  Chao WEI ,  Qiaoyu LI ,  Yuwei REN ,  Liangming WU ,  Chenxi HAO ,  Wanshi CHEN ,  Hao XU

IPC: H04B7/0456 ,  H04L5/00 ,  H04L5/14

Abstract: Methods, systems, and devices for wireless communications are described for enabling a network equipment to reduce interference for downlink (DL) transmissions to a first device by determining a transmit precoding matrix indicator (TPMI) for uplink (UL) transmissions transmitted by a second device based on feedback from the first device. The first device may determine a subset of possible TPMIs that the second device may use for UL transmissions for full-duplex communications. The first device may indicate the subset to the network equipment. Based on the subset indicated by the first device, the network equipment may determine a pairing of the first device and the second device for full-duplex communications. Additionally, the network equipment may determine a TPMI for the second device to use in UL transmissions and indicate the TPMI to the second device.

公开(公告)号：US20250024487A1

公开(公告)日：2025-01-16

申请号：US18779987

申请日：2024-07-22

Applicant: QUALCOMM Incorporated

Inventor： Chenxi HAO ,  Yu ZHANG ,  Chao WEI ,  Qiaoyu LI ,  Lianming WU

IPC: H04W72/563 ,  H04W72/0453 ,  H04W72/23 ,  H04W72/542

Abstract: Certain aspects of the present disclosure provide techniques for channel state information (CSI) reporting with frequency domain (FD) compression. A method that can be performed by a user equipment (UE) includes determining the size of the intermediate set based on one or more parameters included in the CSI report configuration, determining one or more FD bases for each layer based on the intermediate set, wherein the one or more FD bases are characterized by an M value indicative of a number of the one or more FD bases and based on the CSI report configuration, and reporting the one or more FD bases for each layer based on the size of the intermediate set.

公开(公告)号：US20250008513A1

公开(公告)日：2025-01-02

申请号：US18693029

申请日：2021-12-02

Applicant: QUALCOMM INCORPORATED

Inventor： Hyojin LEE ,  Chenxi HAO ,  June NAMGOONG ,  Taesang YOO ,  Wei XI ,  Pavan Kumar VITTHALADEVUNI ,  Yu ZHANG ,  Hwan Joon KWON

IPC: H04W72/1273 ,  H04L25/02 ,  H04W72/542

Abstract: Aspects described herein relate to encoding, based on an estimated channel matrix of a reference signal received from a base station, channel state information (CSI) using a machine learning (ML)-based CSI encoder, transmitting, to the base station, an output of the ML-based CSI encoder and assistance information related to the estimated channel matrix, and receiving, from the base station, a scheduling grant for a downlink channel having at least one parameter that is based on the output of the ML-based CSI encoder and the assistance information. Other aspects relate to receiving the CSI encoder output and assistance information, and transmitting the scheduling grant.

公开(公告)号：US20240333356A1

公开(公告)日：2024-10-03

申请号：US18740247

申请日：2024-06-11

Applicant: QUALCOMM Incorporated

Inventor： Min HUANG ,  Chenxi HAO ,  Yu ZHANG ,  Chao WEI ,  Liangming WU ,  Qiaoyu LI

IPC: H04B7/06 ,  H04B7/0417

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0634 ,  H04B7/0658

Abstract: Certain aspects of the present disclosure provide techniques for precoder matrix quantization for compressed channel state information (CSI) feedback. A method for wireless communications by a user equipment (UE) includes receiving a CSI report configuration for frequency domain compressed precoder matrix feedback. The CSI report configuration configures the UE to report, for a plurality of selected beams at a plurality of time domain taps, a frequency domain compression basis vector and a plurality of linear combination coefficients associated with the frequency domain compression. For each of the beams, the UE groups the time domain taps into at least first and second groups. The groups each can have zero, one, or more than one time domain taps. The UE quantizes the corresponding linear combination coefficients and/or frequency domain compression basis vectors based on the grouping.

公开(公告)号：US20240322881A1

公开(公告)日：2024-09-26

申请号：US18574260

申请日：2021-08-05

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Chenxi HAO ,  Xiaoxia ZHANG

IPC: H04B7/06 ,  H04L1/00

CPC classification number: H04B7/0626 ,  H04L1/0026

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a first subset of channel measurement resources (CMRs) from a first CMR group for single transmission reception point (TRP) channel measurements associated with a first TRP, a second subset of CMRs from a second CMR group for single TRP channel measurements associated with a second TRP, and one or more CMR pairs including CMRs from the first subset and second subset. The UE may monitor the first subset, the second subset, and the one or more CMR pairs to generate a set of measurements for channel state information (CSI). The UE may then transmit a CSI report based on the set of measurements and including a number of bits to indicate one or more channel resource indicators (CRIs), where the number of bits is based on a number of the CMR pairs.

公开(公告)号：US20240306023A1

公开(公告)日：2024-09-12

申请号：US18261980

申请日：2021-03-31

Applicant: QUALCOMM INCORPORATED

Inventor： Mostafa KHOSHNEVISAN ,  Chenxi HAO

IPC: H04W24/10 ,  H04L5/00

CPC classification number: H04W24/10 ,  H04L5/0057

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of first and second channel measurement resources (CMR) for measuring channel state information (CSI), each CMR associated with first and second transmission configuration indicator states (TCI). The UE may determine CSI for a joint transmission hypothesis which includes two rank indicators, two layer indicators, and two precoding matrix indicators, and may determine a priority for including each indicator in the CSI. In some cases, a UE may identify more than one CSI to transmit, and may determine an ordering of the one or more CSIs based on the CMR, and whether each of the one or more CSIs is associated with a single transmission hypothesis of the joint transmission hypothesis. Based on the various ordering rules of the CSI, the UE may generate and transmit CSI reporting.

公开(公告)号：US20240187079A1

公开(公告)日：2024-06-06

申请号：US18553936

申请日：2021-06-09

Applicant: QUALCOMM Incorporated

Inventor： Fang YUAN ,  Yan ZHOU ,  Chenxi HAO ,  Tao LUO

IPC: H04B7/06

CPC classification number: H04B7/06952

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication that beam switching without an explicit beam indication or activation is allowed. The UE may transmit a channel state information (CSI) report identifying a selected beam. The UE may selectively switch to the selected beam in accordance with the indication. Numerous other aspects are described.

公开(公告)号：US20240048325A1

公开(公告)日：2024-02-08

申请号：US18245853

申请日：2020-11-06

Applicant: QUALCOMM Incorporated

Inventor： Chenxi HAO ,  Yu ZHANG ,  Liangming WU ,  Wei XI ,  Hao XU

IPC: H04L5/00 ,  H04W24/08

CPC classification number: H04L5/0051 ,  H04W24/08

Abstract: Certain aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for channel state information (CSI) reference signal (RS) resource aggregation.

公开(公告)号：US20240039659A1

公开(公告)日：2024-02-01

申请号：US18257566

申请日：2021-02-11

Applicant: QUALCOMM Incorporated

Inventor： Liangming WU ,  Hao XU ,  Qiaoyu LI ,  Chenxi HAO ,  Rui HU ,  Yu ZHANG ,  Yuwei REN

IPC: H04L1/18 ,  H04W8/24 ,  H04W72/20 ,  H04L41/16

CPC classification number: H04L1/18 ,  H04W8/24 ,  H04W72/20 ,  H04L41/16

Abstract: Methods, systems, and devices for wireless communications are described. The method includes transmitting, to a base station, a capability parameter indicating one or more predictive retransmission feedback capabilities of the UE, receiving, from the base station, an activation indicator that indicates a predictive retransmission feedback procedure is enabled, receiving data from the base station, and transmitting a predictive retransmission feedback associated with the data to the base station, the predictive retransmission feedback being computed, in accordance with the activation indicator, prior to completing a decoding of the data.

公开(公告)号：US20230397172A1

公开(公告)日：2023-12-07

申请号：US18249191

申请日：2020-12-29

Applicant: QUALCOMM Incorporated

Inventor： Qiaoyu LI ,  Hao XU ,  Yu ZHANG ,  Chenxi HAO ,  Chao WEI ,  Rui HU ,  Liangming WU ,  Ruiming ZHENG ,  Yin HUANG ,  Yuwei REN

IPC: H04W72/044 ,  G06N20/00 ,  H04W28/02 ,  H04L41/16

CPC classification number: H04W72/044 ,  G06N20/00 ,  H04W28/0252 ,  H04L41/16

Abstract: Methods, systems, and devices for wireless communications are described that support signaling of compressed gradient vectors in a machine learning system that utilizes federated learning. The compressed gradient vectors may be used to report stochastic gradients from multiple edge devices (e.g., multiple user equipment (UE) devices) that are combined into a global model at an edge server (e.g., a base station). A base station may configure a UE with one or more parameters for quantizing a local stochastic gradient, and for reporting the quantized local stochastic gradient in a set of compressed gradient vectors. Each vector of the compressed gradient vectors may be associated with a different stage of a multi-stage compression procedure for reporting the local stochastic gradient, and multiple reports from multiple UEs may be aggregated in a federated learning procedure associated with a machine learning algorithm.