METHODS FOR SIDELINK COMMUNICATION, TERMINAL DEVICE, AND COMPUTER READABLE MEDIA

Title:

METHODS FOR SIDELINK COMMUNICATION, TERMINAL DEVICE, AND COMPUTER READABLE MEDIA

Document Type and Number:

WIPO Patent Application WO/2022/151034

Kind Code:

A1

Abstract:

Embodiments of the present disclosure provide a solution for sidelink communications. In a method for communications, a first terminal device determines from a resource pool configured for the first terminal device, first resources in a time window before a first slot based on a resource selection scheme of the first terminal device. The first terminal device determines a first number of occupied resources in the first resources. The first terminal device determines a congestion level indicator of a sidelink channel for the first slot based at least in part on the first number and a number of the first resources. The sidelink channel is associated with the first terminal device. With the proposed mechanism, the sidelink congestion level indicator, such as, a channel busy ratio (CBR) is determined with consideration of the resource selection scheme and the reception capability of the terminal device. As such, the accuracy of CBR measurement can be improved, which is beneficial to sidelink congestion control and a reduction of the power consumption at the terminal device.

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Inventors:

MIAO ZHAOBANG (CN)
WANG GANG (CN)

Application Number:

PCT/CN2021/071448

Publication Date:

July 21, 2022

Filing Date:

January 13, 2021

Export Citation:

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Assignee:

NEC CORP (JP)
MIAO ZHAOBANG (CN)

International Classes:

H04W24/08; H04W72/00

Foreign References:

EP3592023A1

2020-01-08

Other References:

VIVO: "Discussion on sidelink DRX", 3GPP TSG-RAN WG1 MEETING #103-E; R1-2007690, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 24 October 2020 (2020-10-24), e-Meeting; 20201026 - 20201113, XP051946481
VIVO: "Resource allocation for sidelink power saving", 3GPP TSG RAN WG1 #103-E; R1-2007688, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 24 October 2020 (2020-10-24), e-Meeting; 20201026 - 20201113, XP051946479
See also references of EP 4278655A4

Attorney, Agent or Firm:

KING & WOOD MALLESONS (CN)

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