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公开(公告)号：US20240129947A1
公开(公告)日：2024-04-18
申请号：US18465937
申请日：2023-09-12
发明人： Yisheng XUE , Xiaoxia ZHANG , Chih-Hao LIU , Jing SUN , Tao LUO
IPC分类号： H04W72/541 , H04W72/1263 , H04W74/0816
CPC分类号： H04W72/541 , H04W72/1263 , H04W74/0816 , H04W72/0446
摘要： This disclosure provides systems, methods, and devices for wireless communication that support relaxed sensing for new radio (NR) sidelink over millimeter wave (mmW) operating frequencies. In a first aspect, a method by a user equipment (UE) of wireless communication includes identifying a resource selection trigger that indicates selection of one or more sidelink slots from a resource selection window. The UE may obtain long-term interference sensing statistics observed by the UE prior to the resource selection trigger. The UE can reduce a default sensing window length in accordance with the long-term interference sensing statistics and transmit a sidelink transmission in the selected sidelink slots. Other aspects and features are also claimed and described.
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公开(公告)号：US20230354311A1
公开(公告)日：2023-11-02
申请号：US17917018
申请日：2020-05-09
发明人： Yisheng XUE , Jing SUN , Xiaoxia ZHANG , Chih-Hao LIU , Ozcan OZTURK , Changlong XU
IPC分类号： H04W72/1268 , H04L1/1812 , H04L1/1822 , H04L5/00
CPC分类号： H04W72/1268 , H04L1/1819 , H04L1/1822 , H04L5/0044 , H04L5/0055
摘要： Wireless communications systems and methods related to multiplexing a sidelink-synchronization signal block (S-SSB) transmission with a physical sidelink control channel (PSCCH)/physical sidelink shared channel (PSSCH) transmission for occupancy channel bandwidth (OCB) fulfilment are provided. A user equipment (UE) determines a multiplex configuration for multiplexing a sidelink transmission with a S-SSB transmission in a sidelink bandwidth part (BWP). The UE communicates, in the sidelink BWP during a sidelink slot, the S-SSB transmission. The UE communicates, in the sidelink BWP during the sidelink slot, the sidelink transmission, where the S-SSB transmission and the sidelink transmission are communicated by multiplexing the sidelink transmission and the S-SSB transmission based on the multiplex configuration.
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公开(公告)号：US20230328839A1
公开(公告)日：2023-10-12
申请号：US17658192
申请日：2022-04-06
发明人： Yisheng XUE , Xiaoxia ZHANG , Chih-Hao LIU , Jing SUN , Ozcan OZTURK
CPC分类号： H04W76/28 , H04W24/08 , H04W92/18 , H04L5/0053 , H04L1/1812
摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless node may configure, for a sidelink unicast link, a feedback response window including a plurality of feedback occasions associated with a communication channel. The wireless node may transmit a communication on the communication channel. The wireless node may monitor for feedback on the plurality of feedback occasions based at least in part on a discontinuous transmission counter, wherein the discontinuous transmission counter is based at least in part on the feedback being associated with the feedback response window. Numerous other aspects are described.
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公开(公告)号：US20230309098A1
公开(公告)日：2023-09-28
申请号：US17702526
申请日：2022-03-23
发明人： Chih-Hao LIU , Yisheng XUE , Jing SUN , Xiaoxia ZHANG
CPC分类号： H04W72/1278 , H04W72/1263 , H04L1/0003 , H04L1/1812 , H04L5/0053 , H04W92/18
摘要： Some aspects described herein relate transmitting a first stage sidelink control information (SCI) that schedules multiple transport blocks (TBs) of shared channel communications in multiple time divisions, wherein each of the multiple TBs is for a different receiving UE of multiple receiving UEs, transmitting, to a first receiving UE of the multiple receiving UEs and based on the first stage SCI, at least a first TB of the multiple TBs of shared channel communications in a first time division of the multiple time divisions, and transmitting, to a second receiving UE of the multiple receiving UEs and based on the first stage SCI, at least a second TB of the multiple TBs of shared channel communications in a second time division of the multiple time divisions. Other aspects relate to receiving the first stage SCI and at least one TB.
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公开(公告)号：US20230224831A1
公开(公告)日：2023-07-13
申请号：US17647727
申请日：2022-01-11
发明人： Jung Ho RYU , Sony AKKARAKARAN , Tao LUO , Junyi LI , Xiaojie WANG , Wooseok NAM , Yan ZHOU , Peter GAAL , Juan MONTOJO , Piyush GUPTA , Xiaoxia ZHANG , Hua WANG , Kobi RAVID , Lik Hang Silas FONG , Chih-Hao LIU , Jing SUN
摘要： Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE) includes transmitting, in a first symbol in time of a slot, an automatic gain control (AGC) signal, wherein the UE transmits the AGC signal at a first power over a first frequency bandwidth; and transmitting, in a plurality of symbols of a mini-slot of the slot, a second AGC signal and data, wherein the UE refrains from transmitting between the first symbol and the plurality of symbols.
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公开(公告)号：US20230189304A1
公开(公告)日：2023-06-15
申请号：US17906605
申请日：2020-04-20
发明人： Xiaoxia ZHANG , Jing SUN , Yisheng XUE , Chih-Hao LIU , Changlong XU , Ozcan OZTURK
CPC分类号： H04W72/50 , H04W64/006 , H04W72/11 , H04W72/25 , H04W72/0446 , H04W74/002
摘要： 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.
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公开(公告)号：US20230171774A1
公开(公告)日：2023-06-01
申请号：US17538510
申请日：2021-11-30
发明人： Chih-Hao LIU , Jing SUN , Yisheng XUE , Xiaoxia ZHANG
CPC分类号： H04W72/0406 , H04W74/0808 , H04L1/1607 , H04W72/0446 , H04W72/1278
摘要： 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.
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公开(公告)号：US20230164815A1
公开(公告)日：2023-05-25
申请号：US17921061
申请日：2020-04-30
发明人： Chih-Hao LIU , Jing SUN , Xiaoxia ZHANG , Yisheng XUE , Changlong XU , Ozcan OZTURK
CPC分类号： H04W72/40 , H04L5/0053
摘要： 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.
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公开(公告)号：US20230139912A1
公开(公告)日：2023-05-04
申请号：US17915286
申请日：2020-05-29
发明人： Xiaoxia ZHANG , Jing SUN , Chih-Hao LIU , Yisheng XUE , Changlong XU , Ozcan OZTURK
摘要： 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.
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公开(公告)号：US20230127485A1
公开(公告)日：2023-04-27
申请号：US17905916
申请日：2020-04-15
发明人： Jing SUN , Xiaoxia ZHANG , Changlong XU , Chih-Hao LIU , Ozcan OZTURK , Yisheng XUE
摘要： Wireless communications systems and methods related to stand-alone sidelink communication are provided. A first user equipment (UE) determines system parameter information to initiate a sidelink communication. The first UE transmits, in one or more first subbands of a plurality of subbands within a shared radio frequency during a first time period, the system parameter information. The first UE communicates, with a second UE in a second subband of the plurality of subbands during a second time period different from the first time period, sidelink data based on the system parameter information.
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