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公开(公告)号：US20220279497A1
公开(公告)日：2022-09-01
申请号：US17636681
申请日：2019-09-30
Applicant: NEC CORPORATION
Inventor： Shichang ZHANG , Gang WANG
Abstract: Embodiments of the present disclosure relate to communication methods, devices and computer readable medium in the wireless communication system. In an embodiment of the present disclosure, a communication method is performed at a receiving terminal device in the sidelink communication. In the communication method, sidelink control information (SCI) is received from a transmitting terminal device, the SCI indicating an additional DMRS symbol number for the sidelink data channel. Then, duration of the sidelink data channel is determined according to the number of symbols within a slot and the number of symbols for a sidelink feedback channel. Next, a DMRS pattern to be used for the sidelink data channel is determined based on the received additional DMRS symbol number for the sidelink data channel and the determined duration of the sidelink data channel.
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公开(公告)号：US20220394678A1
公开(公告)日：2022-12-08
申请号：US17765276
申请日：2019-09-30
Applicant: NEC CORPORATION
Inventor： Shichang ZHANG , Gang WANG
Abstract: Embodiments of the present disclosure relate to method, device and computer readable medium for resource selection in V2X. The method comprises selecting, at a first terminal device, resources in at least one resource selection window for transmissions of data from the first terminal device to a second terminal device. The method also comprises determining a first number N of continuous resources in a set of the selected resources that have time-domain offsets with respect to a reference resource below a threshold offset T. The method also comprises transmitting sidelink control information to the second terminal device. The sidelink control information indicates the N continuous resources in the set of the selected resources located in the at least one resource selection window. The selected resources comprise a plurality of frequency resources in a single slot.
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公开(公告)号：US20220346038A1
公开(公告)日：2022-10-27
申请号：US17763994
申请日：2019-09-27
Applicant: NEC CORPORATION
Inventor： Zhaobang MIAO , Shichang ZHANG , Gang WANG
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method comprises determining, at a first terminal device, a time window during which a second terminal device is to filter Sidelink Reference Signal Received Power (SL-RSRP) of sidelink transmissions received from the first terminal device; receiving, from the second terminal device, the filtered SL-RSRP during the time window; estimating a sidelink path loss based on the filtered SL-RSRP; and applying the sidelink path loss to power control of at least one subsequent sidelink transmission from the first terminal device to the second terminal device. In this way, the SL path loss can be estimated more accurately and reasonably, and thus the power control based on the the SL path loss can be performed more effectively.
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