公开(公告)号：US11838950B2

公开(公告)日：2023-12-05

申请号：US17243325

申请日：2021-04-28

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao Liu ,  Yisheng Xue ,  Jing Sun ,  Xiaoxia Zhang ,  Piyush Gupta ,  Tao Luo ,  Juan Montojo ,  Peter Gaal ,  Sony Akkarakaran ,  Ozcan Ozturk

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/1263 ,  H04W72/0446 ,  H04W72/23

CPC classification number: H04W74/0816 ,  H04W72/0446 ,  H04W72/1263 ,  H04W72/23 ,  H04W74/008

Abstract: Aspects described herein relate to sidelink transmissions. In an example, a first user equipment (UE) may receive a multi-opportunity grant from a network entity, the multi-opportunity grant indicating multiple listen-before-talk (LBT) opportunities for scheduling a transmission between the first UE and a second UE; perform a LBT procedure for one or more slots of a plurality of slots indicated by the multiple LBT opportunities; select a first slot of the plurality of slots corresponding to an earliest available LBT based on performing the LBT procedure; and communicate a transmission to the second UE during the transmission time interval (TTI) of the first slot.

公开(公告)号：US11838230B2

公开(公告)日：2023-12-05

申请号：US17143982

申请日：2021-01-07

Applicant: QUALCOMM Incorporated

Inventor： Aleksandar Damnjanovic ,  Xiaoxia Zhang ,  Jing Sun ,  Yisheng Xue ,  Tao Luo ,  Juan Montojo

IPC: H04L5/00 ,  H04W76/14 ,  H04W16/14 ,  H04W52/22 ,  H04W72/10 ,  H04W72/23

CPC classification number: H04L5/0048 ,  H04W16/14 ,  H04W52/228 ,  H04W72/23 ,  H04W76/14

Abstract: Methods, systems, and devices for wireless communications are described. An access point (AP) may configure power parameters for sidelink communications between user equipments (UEs). The power parameters may be configured based on the UEs operating within an AP service area. In some examples, an AP may transmit one or more signals to the first UE, and the first UE may determine the power parameters based on receiving the signals. Additionally or alternatively, the first UE may be configured to transmit one or more reference signals to the AP, and the AP may configure the power parameters based on receiving the reference signals. The first AP may indicate the power parameters in a sidelink configuration transmitted to the first UE. The first UE may communicate with the second UE on a sidelink channel in accordance with the sidelink configuration, which may improve efficiency and reliability of the sidelink communications.

公开(公告)号：US11825483B2

公开(公告)日：2023-11-21

申请号：US16910855

申请日：2020-06-24

Applicant: QUALCOMM Incorporated

Inventor： Yisheng Xue ,  Chih-Hao Liu ,  Xiaoxia Zhang

IPC: H04W72/14 ,  H04W72/23 ,  H04W72/0453 ,  H04W76/25 ,  H04W52/48 ,  H04W72/121 ,  H04W28/04 ,  H04W72/20 ,  H04W72/566 ,  H04W76/14 ,  H04W92/18

CPC classification number: H04W72/23 ,  H04W28/04 ,  H04W52/48 ,  H04W72/0453 ,  H04W72/121 ,  H04W72/20 ,  H04W72/566 ,  H04W76/25 ,  H04W76/14 ,  H04W92/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter user equipment (UE) may transmit, to a receiver UE, a stage one sidelink control information (SCI) message that indicates one or more sub-channels occupied by the transmitter UE. The transmitter UE may transmit, to the receiver UE, a physical sidelink shared channel (PSSCH) using the one or more sub-channels occupied by the transmitter UE according to a configured grant associated with the transmitter UE. Numerous other aspects are provided.

公开(公告)号：US11812460B2

公开(公告)日：2023-11-07

申请号：US17506513

申请日：2021-10-20

Applicant: QUALCOMM Incorporated

Inventor： Yisheng Xue ,  Xiaoxia Zhang ,  Jing Sun ,  Chih-Hao Liu

IPC: H04W72/23 ,  H04W72/542 ,  H04W72/1263 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04W72/542 ,  H04L5/0053 ,  H04W24/10 ,  H04W72/1263 ,  H04W72/23

Abstract: Methods, systems, and devices for wireless communications are described. Aspects of the disclosure describe using sidelink resources to identify possible interference (e.g., including cross-link interference) in a first resources used for communications between a base station and a user equipment (UE). With such techniques, a base station may transmit a conditional grant to a UE that schedules resources for the UE to use to communicate with the base station (e.g., either uplink or downlink). The UE may monitor sidelink resources to identify an indication of interference for the resources scheduled by the conditional grant. Different UEs may exchange messages or may transmit energy over the sidelink network to indicate resources are being used to communicate between base stations and UEs. The UE may transmit an acknowledgement or a negative acknowledgement to the base station indicating whether the resources scheduled by the conditional grant are to be used by the UE.

公开(公告)号：US11805512B2

公开(公告)日：2023-10-31

申请号：US17485006

申请日：2021-09-24

Applicant: QUALCOMM Incorporated

Inventor： Yisheng Xue ,  Xiaoxia Zhang ,  Chih-Hao Liu ,  Jing Sun

IPC: H04W72/12 ,  H04W72/1263 ,  H04W72/25 ,  H04W72/566 ,  H04L1/1867 ,  H04W72/044

CPC classification number: H04W72/1263 ,  H04L1/1896 ,  H04W72/046 ,  H04W72/25 ,  H04W72/566

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device, such as a user equipment (UE), may be configured to communicate with one or more other wireless devices (e.g., another UE) via sidelink communications. The first wireless device may receive an indication of a schedule of resources for sidelink communications to be performed over a communication beam, the schedule indicating a set of resources corresponding to a beam configuration for the sidelink communications with a second wireless device. The first wireless device may communicate with the second wireless device via one or more sidelink channels based on configuring the communication beam using the beam configuration over the set of resources. In some examples, the indication of the schedule of resources may be received in a confirmation of the schedule established by the second wireless device or, in some examples, in a request to establish the schedule.

公开(公告)号：US11804935B2

公开(公告)日：2023-10-31

申请号：US17383745

申请日：2021-07-23

Applicant: QUALCOMM Incorporated

Inventor： Shuanshuan Wu ,  Yisheng Xue ,  Arthur Gubeskys ,  Jing Sun ,  Kapil Gulati

IPC: H04L5/00 ,  H04W64/00

CPC classification number: H04L5/005 ,  H04W64/00

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may belong to a group of UEs that includes at least a second UE and a third UE. The first UE may perform a channel access procedure and, when the channel access procedure is successful, may transmit a first positioning reference signal (PRS) over a sidelink communication link to the second and third UEs. The first UE may transmit the first PRS during a first time interval of a transmission window. Based on receiving the first PRS, the second UE may perform a channel access procedure and may transmit a second PRS to the first UE during a second time interval of the transmission window. The second PRS may be multiplexed (e.g., using frequency division multiplexing (FDM) or code division multiplexing (CDM)) with at least a third PRS transmitted by the third UE.

公开(公告)号：US20230319623A1

公开(公告)日：2023-10-05

申请号：US18194993

申请日：2023-04-03

Applicant: QUALCOMM INCORPORATED

Inventor： Chih-Hao Liu ,  Jing Sun ,  Yisheng Xue ,  Xiaoxia Zhang ,  Ozcan Ozturk

IPC: H04W28/02 ,  H04B7/0456 ,  H04B7/06 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/1263 ,  H04W80/02 ,  H04W72/23

CPC classification number: H04W28/0278 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/0632 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/1263 ,  H04W80/02 ,  H04W72/23

Abstract: Wireless communications systems and methods related to providing subchannel selection or recommendation and/or channel state information (CSI) for sidelink communications (e.g., operating in mode-1 radio resource allocation (RRA) via a buffer status report (BSR) are provided. A first user equipment (UE) transmits, to a base station (BS), a BSR indicating subchannel information associated with one or more UEs. The UE receives, from the BS in response to the BSR report, a grant for transmitting a first sidelink transmission to a second UE of the one or more UEs. The UE transmits, to the second UE based on the grant, the first sidelink transmission.

公开(公告)号：US11737095B2

公开(公告)日：2023-08-22

申请号：US17350517

申请日：2021-06-17

Applicant: QUALCOMM Incorporated

Inventor： Yisheng Xue ,  Chih-Hao Liu ,  Jing Sun ,  Xiaoxia Zhang

IPC: H04W72/20 ,  H04L5/00 ,  H04W72/0453

CPC classification number: H04W72/20 ,  H04L5/0055 ,  H04W72/0453

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support an index modulation (IM)-based acknowledgement codebook so use with sidelink feedback. In a first aspect, a first UE receives at least one sidelink transmission from a second UE with a sidelink control information (SCI) message that triggers least one IM-based feedback message codebook. The first UE may determine an IM-based feedback message sequence, determine, based on the feedback sequence, a resource for transmission of the IM-based feedback message, wherein a resource index corresponds to the determined feedback message sequence. The first UE may then transmit the IM-based feedback message codebook on the determined resource to the second UE over the sidelink. Other aspects and features are also claimed and described.

公开(公告)号：US11729825B2

公开(公告)日：2023-08-15

申请号：US17083222

申请日：2020-10-28

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao Liu ,  Yisheng Xue ,  Xiaoxia Zhang ,  Jing Sun

IPC: H04W74/08 ,  H04W72/20 ,  H04W72/23

CPC classification number: H04W74/0808 ,  H04W72/20 ,  H04W72/23 ,  H04W74/0833

Abstract: Channel access enhancement for new radio-unlicensed (NR-U) operations are disclosed. In attempting access to a shared communication channel, both base stations and user equipments (UEs) may operate similarly to load-based equipment (LBE) devices by performing extended clear channel access (eCCA) operations independently, such that each of the base stations and UEs may independently acquire the channel occupancy time (COT) of the shared communication spectrum.

公开(公告)号：US20230239920A1

公开(公告)日：2023-07-27

申请号：US17585128

申请日：2022-01-26

Applicant: QUALCOMM Incorporated

Inventor： Yisheng Xue ,  Jing Sun ,  Chih-Hao Liu ,  Xiaoxia Zhang

IPC: H04W74/08 ,  H04W72/04 ,  H04W28/26

CPC classification number: H04W74/0808 ,  H04W72/0406 ,  H04W28/26

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may obtain a channel occupancy time (COT) in an unlicensed frequency spectrum band. The COT may include an initial time interval for an initial transmission and a subsequent time interval for a subsequent transmission. In the initial time interval, the UE may transmit control information and data to another UE, where the control information indicates the subsequent time interval. The other UE may selectively perform communications during the subsequent time interval. The UE may perform the subsequent transmission during the subsequent time interval.