公开(公告)号：US20230276290A1

公开(公告)日：2023-08-31

申请号：US18315185

申请日：2023-05-10

Applicant: QUALCOMM Incorporated

Inventor： Andrei Dragos RADULESCU ,  Jing SUN ,  Kapil BHATTAD ,  Xiaoxia ZHANG

IPC: H04W24/10 ,  H04W56/00 ,  H04L1/00 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04W24/10 ,  H04W56/001 ,  H04L1/0013 ,  H04L5/0048 ,  H04W72/23

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) and base station may communicate in on a wireless channel of an unlicensed radio frequency spectrum band. The base station may transmit synchronization signal blocks (SSBs) in a discovery reference signal (DRS) slot. The base station may multiplex a channel state information (CSI) reference signal (CSI-RS). The base station may multiplex an aperiodic CSI-RS or a periodic CSI-RS with the SSBs in the DRS slot. For an aperiodic CSI-RS, the base station may separately trigger the CSI-RS measurement and CSI-RS reporting. For periodic CSI-RS, the base station may transmit an indication of whether the periodic CSI-RS is present.

公开(公告)号：US20230269730A1

公开(公告)日：2023-08-24

申请号：US18040960

申请日：2020-10-09

Applicant: QUALCOMM Incorporated

Inventor： Jing SUN ,  Ozcan OZTURK ,  Juan MONTOJO ,  Tao LUO ,  Xiaoxia ZHANG ,  Peter GAAL ,  Changlong XU

IPC: H04W72/1263 ,  H04L5/00 ,  H04W76/14 ,  H04W74/08

CPC classification number: H04W72/1263 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/0053 ,  H04W76/14 ,  H04W74/0808 ,  H04W16/14

Abstract: Certain aspects of the present disclosure provide techniques for communicating using sidelink resources allocated in an unlicensed spectrum. A method that may be performed by a first UE includes establishing a connection with a second UE for sidelink communication in an unlicensed spectrum and communicating with the second UE via the connection using one or more sidelink sub-channels in the unlicensed spectrum according to a mapping between sidelink sub-channels and resource block (RB) sets of the unlicensed spectrum, wherein the unlicensed spectrum comprises a plurality of RB sets and one or more guard bands disposed between RB sets in the plurality RB sets.

公开(公告)号：US20230269703A1

公开(公告)日：2023-08-24

申请号：US17677952

申请日：2022-02-22

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao LIU ,  Jing SUN ,  Yisheng XUE ,  Xiaoxia ZHANG

IPC: H04W72/02 ,  H04W72/00 ,  H04W72/04 ,  H04L27/26

CPC classification number: H04W72/02 ,  H04W72/005 ,  H04W72/0406 ,  H04W72/0453 ,  H04L27/2607

Abstract: Aspects relate to techniques for exchanging resource pool (RP) configurations between wireless communication devices. A transmitting wireless communication device can transmit a remaining minimum system information (RMSI) message including a RP configuration of the transmitting wireless communication device to at least one receiving wireless communication device. The RMSI message is transmitted within a minimum resource block set that is common to both the transmitting wireless communication device and the at least one receiving wireless communication device. The transmitting wireless communication device may then communicate with the at least one receiving wireless communication device on a sidelink based on the RP configuration.

公开(公告)号：US20230262621A1

公开(公告)日：2023-08-17

申请号：US17651569

申请日：2022-02-17

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao LIU ,  Jing SUN ,  Xiaoxia ZHANG ,  Yisheng XUE ,  Tao LUO ,  Peter GAAL ,  Sony AKKARAKARAN

IPC: H04W56/00 ,  H04W72/04 ,  H04W72/02 ,  H04W52/52

CPC classification number: H04W56/001 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/0406 ,  H04W72/02 ,  H04W52/52

Abstract: Wireless communications systems and methods related to communicating information are provided. A method of wireless communication performed by a first sidelink user equipment (UE) may include receiving, from a second sidelink UE, an indicator indicating a tracking reference signal (TRS) periodicity, receiving, from the second sidelink UE, a TRS based on the TRS periodicity, acquiring time and frequency synchronization with the second sidelink UE based on the TRS, and receiving a physical sidelink shared channel (PSSCH) communication based on the time and frequency synchronization with the second sidelink UE.

公开(公告)号：US20230261924A1

公开(公告)日：2023-08-17

申请号：US17650809

申请日：2022-02-11

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Xiaoxia ZHANG ,  Zhifei FAN ,  Junyi LI ,  Jing SUN ,  Tao LUO

IPC: H04L27/34 ,  H04L27/00 ,  H04L1/00

CPC classification number: H04L27/3483 ,  H04L27/0008 ,  H04L1/003

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive or transmit constellation information that indicates a modulation constellation type associated with a wireless communication, the constellation information indicating, as the modulation constellation type, a uniform constellation (UC) type or a non-uniform constellation (NUC) type. The UE may transmit or receive the wireless communication based at least in part on the modulation constellation type. Numerous other aspects are described.

公开(公告)号：US20230254190A1

公开(公告)日：2023-08-10

申请号：US17580976

申请日：2022-01-21

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam SAKHNINI ,  Tao LUO ,  Xiaoxia ZHANG ,  Jing SUN ,  Junyi LI ,  Jun MA

IPC: H04L27/26

CPC classification number: H04L27/2607 ,  H04L27/2613

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a transmitter, comprising generating a waveform to be transmitted in one or more symbols, with a guard interval (GI) between adjacent symbols according to a GI configuration selected from a plurality of GI configurations, and transmitting the waveform with the GI between symbols.

公开(公告)号：US20230247619A1

公开(公告)日：2023-08-03

申请号：US17649309

申请日：2022-01-28

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao LIU ,  Jing SUN ,  Yisheng XUE ,  Xiaoxia ZHANG

IPC: H04W72/12

CPC classification number: H04W72/1205 ,  H04W72/1278

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a frequency domain resource allocation (FDRA) associated with one or more scheduled interlaces for sidelink communication, wherein the FDRA is based at least in part on a resource block (RB) associated with a first stage sidelink control information (SCI-1) communication. The UE may perform the sidelink communication in accordance with the FDRA. Numerous other aspects are described.

公开(公告)号：US20230239085A1

公开(公告)日：2023-07-27

申请号：US18011834

申请日：2020-08-13

Applicant: QUALCOMM Incorporated

Inventor： Luanxia YANG ,  Changlong XU ,  Jing SUN ,  Xiaoxia ZHANG ,  Rajat PRAKASH ,  Hao XU

IPC: H04L5/00 ,  H04L1/08 ,  H04W52/36 ,  H04W72/1263

CPC classification number: H04L5/001 ,  H04L1/08 ,  H04L5/0053 ,  H04W52/365 ,  H04W72/1263

Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may transmit a list of a plurality of CCs for a transmission of at least one PDCP PDU, the plurality of CCs corresponding to a plurality of indicated CCs. The apparatus may also transmit the at least one PDCP PDU on one or more CCs of the plurality of CCs. Additionally, the apparatus may determine whether to retransmit the at least one PDCP PDU, a retransmission of the at least one PDCP PDU being associated with a PDCP duplication procedure. The apparatus may also select one or more CCs of the plurality of CCs for the retransmission of the at least one PDCP PDU.

公开(公告)号：US20230232460A1

公开(公告)日：2023-07-20

申请号：US18160138

申请日：2023-01-26

Applicant: QUALCOMM Incorporated

Inventor： Ozcan OZTURK ,  Jing SUN ,  Xiaoxia ZHANG

IPC: H04W74/08 ,  H04L41/0677 ,  H04L1/08

CPC classification number: H04W74/0833 ,  H04L41/0677 ,  H04L1/08

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect, while transmitting data using at least one first bandwidth on at least one sidelink channel to at least one other UE, one or more failures of a listen-before-talk (LBT) procedure within an amount of time. The UE may transmit, to at least one of a base station or the at least one other UE, a report indicating the one or more failures. Numerous other aspects are described.

公开(公告)号：US20230232450A1

公开(公告)日：2023-07-20

申请号：US18009696

申请日：2020-07-28

Applicant: QUALCOMM Incorporated

Inventor： Luanxia YANG ,  Changlong XU ,  Jing SUN ,  Xiaoxia ZHANG ,  Hao XU

IPC: H04W74/08 ,  H04W72/50

CPC classification number: H04W74/0808 ,  H04W72/50

Abstract: Aspects presented herein may enhance the determination of ED threshold to improve the channel access probability of the UE and the base station. In one aspect, a UE or a base station determines an ED threshold for a transmission, where the ED threshold is based on a characteristic of the transmission, a channel, or the UE/base station excluding a maximum transmit power of the UE or the base station. The UE or the base station determines whether an energy on the channel is less than the determined ED threshold. The UE or the base station transmits on the channel when the energy is determined to be less than the ED threshold.