公开(公告)号：US20230189304A1

公开(公告)日：2023-06-15

申请号：US17906605

申请日：2020-04-20

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Jing SUN ,  Yisheng XUE ,  Chih-Hao LIU ,  Changlong XU ,  Ozcan OZTURK

IPC: H04W72/50 ,  H04W72/0446 ,  H04W72/11 ,  H04W72/25 ,  H04W74/00 ,  H04W64/00

CPC classification number: H04W72/50 ,  H04W64/006 ,  H04W72/11 ,  H04W72/25 ,  H04W72/0446 ,  H04W74/002

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for distance-based channel occupancy time (COT) sharing. In one aspect, a first device, such as a user equipment (UE), may determine an approximate distance between itself and a second device. The first device may receive a COT sharing configuration including a set of COT sharing parameters for sharing a COT of the communications link with the second device based on the distance between the two devices. The first device may determine conditions for sharing the COT based on the COT sharing configuration and the approximate distance between the two devices. Additionally, or alternatively, the first device may determine conditions for sharing the COT based on the COT sharing configuration and a power metric of communications between the two devices.

公开(公告)号：US20230171815A1

公开(公告)日：2023-06-01

申请号：US17921084

申请日：2020-05-02

Applicant: QUALCOMM Incorporated

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

IPC: H04W74/08 ,  H04W72/25 ,  H04W72/56

CPC classification number: H04W74/0866 ,  H04W72/25 ,  H04W72/56 ,  H04W74/0816

Abstract: Aspects of the disclosure relate to, at a wireless communication device, occupying a slot in a first subchannel, wherein the first subchannel comprises a sidelink subchannel in a licensed band, transmitting sidelink control in the first subchannel during the slot, except during a symbol gap indicated to include at least a last symbol of a plurality of symbols supported by the slot, seeking access to a secondary carrier in an unlicensed band, and transmitting sidelink traffic in the secondary carrier upon receiving the access to the secondary carrier. Other aspects, embodiments, and features are also claimed and described.

公开(公告)号：US20230171774A1

公开(公告)日：2023-06-01

申请号：US17538510

申请日：2021-11-30

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/04 ,  H04W74/08 ,  H04L1/16 ,  H04W72/12

CPC classification number: H04W72/0406 ,  H04W74/0808 ,  H04L1/1607 ,  H04W72/0446 ,  H04W72/1278

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiver may receive, from two or more transmitters, two or more sidelink control informations (SCIs) that schedule channel occupancy time (COT) resources for the two or more transmitters. The receiver may transmit, to a transmitter of the two or more transmitters, an acknowledgement or negative acknowledgement (A/N) feedback via a mini-slot carrying a physical sidelink feedback channel (PSFCH) or sidelink feedback information (SLFI) with SCI. The A/N feedback may be transmitted before a listen-before-talk (LBT) and physical sidelink shared channel (PSSCH) transmission. The receiver may receive, from the transmitter using a COT resource, the PSSCH transmission based at least in part on the A/N feedback. The LBT and the PSSCH transmission may be adjustable at the transmitter based at least in part on the A/N feedback. Numerous other aspects are described.

公开(公告)号：US20230171074A1

公开(公告)日：2023-06-01

申请号：US17906606

申请日：2020-04-08

Applicant: QUALCOMM Incorporated

Inventor： Changlong XU ,  Jing SUN ,  Xiaoxia ZHANG ,  Aleksandar DAMNJANOVIC

IPC: H04L5/00

CPC classification number: H04L5/0092 ,  H04L5/0053

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) in communication with a base station may support updating a bandwidth part (BWP) width from a default configuration. The UE may identify a first BWP, where the first BWP is a default BWP for communication with the base station. The UE may receive an indication of a second BWP from the base station that is wider than the first BWP. The indication may, in some cases, be included in a remaining minimum system information (RMSI), a master information block (MIB), or the like. The UE may select, based on the received indication and an operating band of the base station, the second BWP for communications between the UE and the base station. The UE and the base station may communicate using the second BWP.

公开(公告)号：US20230164836A1

公开(公告)日：2023-05-25

申请号：US18057786

申请日：2022-11-22

Applicant: QUALCOMM Incorporated

Inventor： Jing SUN ,  Ananta Narayanan THYAGARAJAN ,  Xiaoxia ZHANG ,  Kapil BHATTAD

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

CPC classification number: H04W74/0808 ,  H04W72/0446 ,  H04W72/23

Abstract: This disclosure provides systems, methods and apparatus for a user equipment (UE), operating in a shared spectrum in a connected state or an idle state, to receive a channel occupancy time structure information (COT-SI) which includes one or more of a COT duration, a COT end symbol, and a COT pause indication, in addition to slot format indication for one or more slots. Some aspects described herein define a hierarchical approach to COT structure information (COT-SI) signaling. For example, a UE may be configured with a set of short COT tables using remaining minimum system information (RMSI) signaling and may receive concatenation of COT-SI signaling identifying index values in a control channel corresponding to one or more of the set of COT tables. Based on receiving COT-SI signaling, the UE may communicate in accordance with an occurrence of a COT.

公开(公告)号：US20230164815A1

公开(公告)日：2023-05-25

申请号：US17921061

申请日：2020-04-30

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao LIU ,  Jing SUN ,  Xiaoxia ZHANG ,  Yisheng XUE ,  Changlong XU ,  Ozcan OZTURK

IPC: H04W72/40 ,  H04L5/00

CPC classification number: H04W72/40 ,  H04L5/0053

Abstract: Aspects of the disclosure relate to a user equipment (UE) for establishing a sidelink communication channel and receive mapped channel state information-reference signals (CSI-RS) over a plurality of PSSCH resource blocks. The mapped CSI-RS may be interlaced with resource elements in at least a portion of the plurality of PSSCH resource blocks. The CSI-RS received over the plurality of PSSCH blocks is then processed to determine a channel quality of the sidelink channel from the portion of the plurality of PSSCH resource blocks including the mapped CSI-RS.

公开(公告)号：US20230164800A1

公开(公告)日：2023-05-25

申请号：US18158506

申请日：2023-01-24

Applicant: QUALCOMM Incorporated

Inventor： Mostafa KHOSHNEVISAN ,  Alexandros MANOLAKOS ,  Xiaoxia ZHANG ,  Tao LUO ,  Jing SUN ,  Yan ZHOU

IPC: H04W72/23 ,  H04W72/1273 ,  H04W72/1268

CPC classification number: H04W72/23 ,  H04W72/1273 ,  H04W72/1268

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, on a particular control resource set (CORESET), downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH). The UE may be configured with multi-DCI based multi-transmission/reception point (TRP) operation. The UE may determine, based at least in part on the UE being configured with multi-DCI based multi-TRP operation, a fixed higher layer index that identifies a CORESET group with which the particular CORESET is associated. The UE may perform an operation, associated with receiving the PDSCH or transmitting the PUSCH, based at least in part on the fixed higher layer index identifying the CORESET group with which the particular CORESET is associated. Numerous other aspects are provided.

公开(公告)号：US20230164795A1

公开(公告)日：2023-05-25

申请号：US17932790

申请日：2022-09-16

Applicant: QUALCOMM Incorporated

Inventor： Wooseok NAM ,  Jing SUN ,  Jae Ho RYU ,  Tao LUO ,  Xiaoxia ZHANG

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04W72/0446

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that a UE-specific search space (USS) monitoring occasion and a common search space (CSS) monitoring occasion are to occur in a slot group. The UE may perform one or more search space monitoring actions based at least in part on determining that the USS monitoring occasion and the CSS monitoring occasion are to occur in the slot group. Numerous other aspects are described.

公开(公告)号：US20230140287A1

公开(公告)日：2023-05-04

申请号：US17452628

申请日：2021-10-28

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a wireless communication, the wireless communication including one or more guard intervals. The UE may identify, based on one or more guard interval characteristics of the one or more guard intervals, control information for the UE. Numerous other aspects are described.

公开(公告)号：US20230139912A1

公开(公告)日：2023-05-04

申请号：US17915286

申请日：2020-05-29

Applicant: QUALCOMM INCORPORATED

Inventor： Xiaoxia ZHANG ,  Jing SUN ,  Chih-Hao LIU ,  Yisheng XUE ,  Changlong XU ,  Ozcan OZTURK

IPC: H04W74/08 ,  H04W74/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) communicating over sidelink in unlicensed spectrum may perform channel congestion control based on channel busy measurements. For example, a UE may perform channel busy measurement over different resource sets to identify congestion levels from different Radio Access Technologies (RATs). The UE may perform a first channel busy measurement on a first resource set where the first resource set contains resources where sidelink UEs are configured to pause transmission and the UE may perform a second channel busy measurement on a second resource set when sidelink UEs and wireless devices of other RATs are free to contend for resources and transmit. The UE may perform third channel busy measurement on a third resource set where the third resource set contains resources with contention-based access success.