公开(公告)号：US20250080195A1

公开(公告)日：2025-03-06

申请号：US18888011

申请日：2024-09-17

Applicant: QUALCOMM Incorporated

Inventor： Yi HUANG ,  Yu ZHANG ,  Runxin WANG ,  Hyojin LEE

IPC: H04B7/06

Abstract: Aspects relate to configuring active groups of antenna ports. An apparatus may support different groups of antenna ports. One or more of these groups may be designated as active (e.g., for a scheduled transmission). In some examples, a first apparatus may send to a second apparatus an indication of the active groups. The second apparatus may then use the active groups for a transmission.

公开(公告)号：US20250070845A1

公开(公告)日：2025-02-27

申请号：US18825908

申请日：2024-09-05

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Sayed Khairy ABDELGHAFFAR ,  Runxin WANG ,  Yu ZHANG

IPC: H04B7/06 ,  H04W72/23

Abstract: Methods, systems, and devices for wireless communications are described to indicate a single frequency network (SFN) mode and associated composite channel reference signals to a user equipment (UE). A UE and a base station may communicate via two or more transmission and reception points (TRPs) using an SFN transmission, which may represent a transmission having multiple beam configurations. The base station may transmit a configuration associated with a control channel that explicitly or implicitly indicates whether control channel transmissions are associated with an SFN mode or are configured with multiple candidate beam configurations. The base station may transmit an indication of activated beam configurations for the control channel. The UE may receive one or more reference signals from each TRP and, based on the SFN indication, may use information from the one or more reference signals to receive the control channel transmission.

公开(公告)号：US20240236870A9

公开(公告)日：2024-07-11

申请号：US18548312

申请日：2021-04-16

Applicant: QUALCOMM INCORPORATED

Inventor： Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Yu ZHANG

IPC: H04W52/32 ,  H04L5/00

CPC classification number: H04W52/325 ,  H04L5/0051

Abstract: Methods, systems, and devices for wireless communications are described. The method includes receiving, from a base station, control information identifying a configuration for transmission of an aperiodic sounding reference signal, receiving, from the base station, a downlink control message including a set of one or more blocks, where each block of the one or more blocks includes a sounding reference signal request in accordance with the configuration for transmission of an aperiodic sounding reference signal, an indication of an available slot corresponding to that block, and one or more transmit power control commands, and transmitting, during the available slot corresponding to a block of the set of one or more blocks, the aperiodic sounding reference signal in accordance with a power level indicated by the one or more transmit power control commands corresponding to the block.

公开(公告)号：US20240171249A1

公开(公告)日：2024-05-23

申请号：US18547265

申请日：2021-04-15

Applicant: QUALCOMM Incorporated

Inventor： Ahmed ELSHAFIE ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Runxin WANG ,  Yu ZHANG

IPC: H04B7/06 ,  H04B7/0404 ,  H04L5/00

CPC classification number: H04B7/0691 ,  H04B7/0404 ,  H04L5/0048

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may transmit, and a user equipment (UE) may receive, a sounding reference signal (SRS) configuration that indicates a reference group among multiple antenna groups of an antenna array associated with the UE. The UE may transmit an SRS using one or more antennas in the reference group. The UE may transmit, to the base station, a correlation report that indicates an inter-group correlation between the multiple antenna groups associated with the UE. The base station may estimate a channel matrix for the multiple antenna groups based at least in part on the inter-group correlation and measurements of the SRS that is transmitted using the one or more antennas in the reference group. Numerous other aspects are described.

公开(公告)号：US20240007260A1

公开(公告)日：2024-01-04

申请号：US18251830

申请日：2020-12-22

Applicant: QUALCOMM Incorporated

Inventor： Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Yu ZHANG

IPC: H04L5/00 ,  H04W72/23

CPC classification number: H04L5/0094 ,  H04W72/23 ,  H04L5/0048

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information including a sounding reference signal (SRS) configuration associated with configured SRS resources. The UE may receive a medium access control (MAC) control element (MAC CE) or downlink control information (DCI) including reconfiguration information associated with the SRS resources. The UE may transmit, based at least in part on the reconfiguration information, SRS information including select SRS resources, selected from among the configured SRS resources, utilizing select SRS ports. Numerous other aspects are described.

公开(公告)号：US20230396379A1

公开(公告)日：2023-12-07

申请号：US18249086

申请日：2020-12-24

Applicant: QUALCOMM Incorporated

Inventor： Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Yu ZHANG

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04L5/0012 ,  H04L5/0094

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information that configures a reference signal (RS) transmission with a repetition factor, wherein the configuration information indicates one or more parameters for the RS transmission including at least one of: a sequence hopping configuration associated with the RS transmission, a cyclic shift offset configuration associated with the RS transmission, or a frequency hopping configuration indicating subcarrier hopping across adjacent RS symbols. The UE may perform the RS transmission using the repetition factor in accordance with the configuration. Numerous other aspects are described.

公开(公告)号：US20230239863A1

公开(公告)日：2023-07-27

申请号：US17951822

申请日：2022-09-23

Applicant: QUALCOMM Incorporated

Inventor： Runxin WANG ,  Yu ZHANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Yi HUANG

IPC: H04W72/12 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W72/1263 ,  H04L5/0051 ,  H04L27/2605

Abstract: Aspects relate to transmission of a sounding reference signal (SRS). A scheduling entity such as a base station may configure the transmission of an SRS by a scheduled entity such as a user equipment (UE). In some aspects, this configuration may be based on the number of antenna ports that the UE will use to transmit the SRS. For example, the scheduling entity may specify that the scheduling entity is to use a first table or a second table to map transmission combs to the maximum number of cyclic shifts. In some aspects, the selection of the first table or the second table may be based on the number of antenna ports that the scheduled entity will use to transmit the SRS.

公开(公告)号：US20230232339A1

公开(公告)日：2023-07-20

申请号：US18001693

申请日：2020-08-04

Applicant: QUALCOMM Incorporated

Inventor： Seyed Ali Akbar FAKOORIAN ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Alexandros MANOLAKOS ,  Runxin WANG ,  Yu ZHANG ,  Hwan Joon KWON ,  Krishna Kiran MUKKAVILLI

IPC: H04W52/32

CPC classification number: H04W52/325

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE). The method generally includes receiving a downlink control information (DCI) with at least one block configured to trigger aperiodic sounding reference signal (SRS) transmission from the UE on at least one SRS resource set, determining a transmit power control (TPC) command to apply to the A-SRS if the DCI lacks a transmit power control (TPC) command for the at least one SRS set, and transmitting the A-SRS in accordance with the DCI and the determined TPC command.

公开(公告)号：US20230144233A1

公开(公告)日：2023-05-11

申请号：US17907931

申请日：2020-04-07

Applicant: QUALCOMM INCORPORATED

Inventor： Alexandros MANOLAKOS ,  Yu ZHANG ,  Ahmed Attia ABOTABL ,  Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Krishna Kiran MUKKAVILLI

IPC: H04B7/0456 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0478 ,  H04B7/0658 ,  H04L5/0094

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first configuration of one or more channel state information reference signal resources and a second configuration of a channel state information report associated with the one or more channel state information reference signal resources. In some cases, the second configuration may include at least one of an indication of a codebook, a set of codebook restriction sets, and a configured bandwidth. The UE may then identify a mapping between one or more frequency-domain subbands of the configured bandwidth and each codebook restriction set of the set of codebook restriction sets, and transmit, to the base station, a report indicating one or more precoding matrix indicators from the codebook for each of the one or more frequency-domain subbands based on the mapping.

公开(公告)号：US20230006789A1

公开(公告)日：2023-01-05

申请号：US17758442

申请日：2020-02-01

Applicant: QUALCOMM Incorporated

Inventor： Runxin WANG ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Yu ZHANG ,  Alexandros MANOLAKOS ,  Weimin DUAN

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/12

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine downlink (DL) channel state information; and transmit a first sounding reference signal (SRS) and a second SRS, wherein the second SRS is precoded based at least in part on the DL channel state information. Numerous other aspects are provided.