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公开(公告)号：EP4207893A1
公开(公告)日：2023-07-05
申请号：EP21870703.2
申请日：2021-02-26
发明人： ZHANG, Shichang , LIN, Huei-ming , ZHAO, Zhenshan , DING, Yi
IPC分类号： H04W72/00
摘要： Embodiments of the present application provide a communication method and apparatus, and a device. The method includes: a first terminal device determining a first time period; and the first terminal device transmitting a first resource set to a second terminal device within the first time period, where the first resource set is used for the second terminal device to perform resource selection. The communication interference is reduced.
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公开(公告)号：EP4203579A1
公开(公告)日：2023-06-28
申请号：EP20954627.4
申请日：2020-09-25
发明人： ZHANG, Shichang , DING, Yi , LIN, Huei-Ming , ZHAO, Zhenshan
IPC分类号： H04W72/04
摘要： Provided in the embodiments of the present application are a resource set transmission method and a terminal device, which can avoid problems of hidden nodes, exposed nodes, half duplex, etc. avoided during resource selection, and improve the reliability of resource selection. The resource set transmission method comprises: a first terminal sending first information, the first information being used for indicating M resource sets, wherein the M resource sets are targeted at one target terminal, or each resource set in the M resource sets is targeted at one or more target terminals, and the resource set is used for determining a candidate transmission resource when the target terminal performs resource selection, and M is a positive integer and M> 1.
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公开(公告)号：EP4404489A1
公开(公告)日：2024-07-24
申请号：EP21961904.6
申请日：2021-10-29
发明人： ZHAO, Zhenshan , ZHANG, Shichang , MA, Teng , LIN, Huei-Ming
摘要： Embodiments of the present application provide a wireless communication method, a first terminal device and a second terminal device. The method relates to the field of communications. The method comprises: receiving a first physical sidelink shared channel (PSSCH) on at least one first interlaced resource block (IRB); and determining at least one second IRB in a physical sidelink feedback channel (PSFCH) transmission resource set included in a first time slot comprising a PSFCH transmission resource, wherein the first time slot is determined according to a second time slot where the first PSSCH is located, the at least one second IRB is determined according to the at least one first IRB, and a transmission resource of a first PSFCH corresponding to the first PSSCH is located in the at least one second IRB. According to the wireless communication method provided by the present application, the IRB for transmitting the PSFCH is determined, such that the system performance can be improved, and the resource utilization rate can be improved.
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公开(公告)号：EP4395435A1
公开(公告)日：2024-07-03
申请号：EP21961106.8
申请日：2021-10-22
发明人： ZHAO, Zhenshan , ZHANG, Shichang , MA, Teng
摘要： Embodiments of the present application provide a wireless communication method and a terminal device. One PSSCH corresponds to multiple PSFCH transmission opportunities, thereby increasing transmission opportunities of a PSFCH carrying feedback information corresponding to a PSSCH, so that the terminal device can use an unlicensed spectrum to perform sidelink transmission, thereby optimizing NRSL transmission. The wireless communication method comprises: a terminal device determining a number M of PSFCH transmission opportunities corresponding to a first PSSCH, different PSFCH transmission opportunities of the M PSFCH transmission opportunities corresponding to different time domain resources; for an m-th PSFCH transmission opportunity of the M PSFCH transmission opportunities, the terminal device, according to a result of a channel access procedure, determining whether to use the m-th PSFCH transmission opportunity to transmit a PSFCH carrying feedback information corresponding to the first PSSCH, M and m being positive integers, M ≥ 2, and 1 ≤ m ≤ M.
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公开(公告)号：EP4395371A1
公开(公告)日：2024-07-03
申请号：EP21958855.5
申请日：2021-09-30
发明人： MA, Teng , ZHANG, Shichang , ZHAO, Zhenshan , LIN, Huei-ming
摘要： Provided are a communication method and a communication apparatus. The method comprises: a terminal device determines that a first physical downlink control channel (PDCCH) is a group-common physical downlink control channel (GC-PDCCH); the terminal device determines that data carried in a first PDSCH scheduled by a first PDCCH is initial transmission of new data of multicast. In the method in embodiments of the present application, it may be determined that the current data (i.e., the data transmitted by the first PDSCH) is initial transmission of new data of an MBS service, without using a new data indicator (NDI) carried in the first PDCCH, thereby improving the communication efficiency.
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公开(公告)号：EP4344498A1
公开(公告)日：2024-04-03
申请号：EP21952426.1
申请日：2021-08-06
发明人： LIN, Huei-Ming , ZHAO, Zhenshan , ZHANG, Shichang , DING, Yi , MA, Teng
IPC分类号： H04W72/04
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公开(公告)号：EP4329227A1
公开(公告)日：2024-02-28
申请号：EP21937347.9
申请日：2021-04-22
发明人： ZHAO, Zhenshan , ZHANG, Shichang
IPC分类号： H04L5/00
摘要： Provided in the present application are a resource selection method and apparatus, a device, and a storage medium, for use in a sidelink communication system for improving performance of sidelink multi-carrier transmission. The resource selection method comprises: a first terminal receives sidelink data from a second terminal on a plurality of carriers; and the first terminal may select a resource pool for transmitting a PSFCH from the plurality of carriers where the sidelink data is located, or all the plurality of carriers available for sidelink transmission. By means of the resource selection solution, the selection of sidelink feedback resources of multi-carrier transmission is realized, and the performance of sidelink multi-carrier transmission is improved.
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公开(公告)号：EP4319375A1
公开(公告)日：2024-02-07
申请号：EP21934221.9
申请日：2021-05-11
发明人： ZHANG, Shichang , ZHAO, Zhenshan
IPC分类号： H04W72/04
摘要： Embodiments of the present disclosure provide a wireless communication method, a terminal device, and a network device. The method includes: receiving a common Physical Downlink Control Channel (PDCCH) on at least one Multimedia Broadcast Service Bandwidth Part (MBS BWP) associated with an active dedicated unicast BWP, the MBS BWP being a Common Frequency Resource (CFR) for MBS, and each of the at least one MBS BWP having a frequency domain range within a frequency domain range of the active dedicated unicast BWP; and receiving a common Physical Downlink Shared Channel (PDSCH) scheduled by the common PDCCH. The method provided by the embodiments of the present disclosure may avoid a delay caused by the terminal device due to BWP switching during the MBS process, and may ensure detection of the common PDCCH without improving the PDCCH detection capability of the terminal device.
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公开(公告)号：EP4319369A1
公开(公告)日：2024-02-07
申请号：EP21933846.4
申请日：2021-03-31
发明人： LENG, Bingxue , LU, Qianxi , DU, Zhongda , ZHANG, Shichang
IPC分类号： H04W72/04
摘要： Provided in the embodiments of the present application are a sidelink communication method, a device, and a storage medium, the method comprising: a first terminal device sends assistance information to a second terminal device within a first time interval, the assistance information being used for indicating a resource set, the resource set comprising time-frequency resources recommended for selection, not recommended for selection, or having a conflict detected by the first terminal device, and the first time interval being within an activation time of a discontinuous reception DRX operation of the second terminal device. The present invention aims to improve communication reliability.
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公开(公告)号：EP4307761A1
公开(公告)日：2024-01-17
申请号：EP21941069.3
申请日：2021-05-08
发明人： ZHAO, Zhenshan , DING, Yi , ZHANG, Shichang , LIN, Huei-Ming
IPC分类号： H04W28/02
摘要： Embodiments of the present application provide a method for measuring a channel busy ratio (CBR), a terminal device, and a network device, which are applicable to calculating the CBR in a sidelink transmission system configured with SL DRX or partial sensing. The method for measuring a CBR comprises: a terminal device determines the CBR of a target time according to a measurement result of an SL RSSI within N time units before the target time.
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