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Title:
SIDELINK COMMUNICATION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/027660
Kind Code:
A1
Abstract:
The embodiments of the present application provide a sidelink communication method and apparatus, which can be applied to systems such as Internet of Vehicles, V2X and V2V. In said method, a terminal device determines a target time-domain pattern set of a demodulation reference signal (DMRS) according to a first channel bandwidth of a PSSCH; and furthermore, the terminal device determines a first time-domain position of the DMRS according to the target time-domain pattern set. The target time-domain pattern set comprises a first time-domain pattern set or a second time-domain pattern set, i.e. the terminal device can determine a first time-domain position of the DMRS from at least two different time-domain pattern sets according to different first channel bandwidths of the PSSCH. Thus, during a sidelink communication process, flexible configuration of a DMRS is provided, and a terminal device is allowed to work flexibly in different frame structures corresponding to different channel bandwidths, thereby improving the communication efficiency of a sidelink.

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Inventors:
GUO WENTING (CN)
SU HONGJIA (CN)
LU LEI (CN)
Application Number:
PCT/CN2020/107972
Publication Date:
February 10, 2022
Filing Date:
August 07, 2020
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L5/00; H04L25/02
Foreign References:
CN110912659A2020-03-24
CN107733818A2018-02-23
Other References:
PANASONIC: "Remaining issue on physical layer structure for sidelink in NR V2X", 3GPP DRAFT; R1-2000992, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 14 February 2020 (2020-02-14), e-Meeting; 20200224 - 20200306, XP051853118
HUAWEI, HISILICON: "Remaining details of sidelink physical layer structure", 3GPP TSG RAN WG1 MEETING #100BIS-E; R1-2001550, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 11 April 2020 (2020-04-11), Online Meeting ;20200420 - 20200430, XP051875141
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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