	US 12,464,546 B2
	Method and device for requesting transmission resource for relay in NR V2X
Jongyoul Lee, Seoul (KR); Seoyoung Back, Seoul (KR); and Giwon Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/916,455
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 8, 2020, PCT No. PCT/KR2020/008895 § 371(c)(1), (2) Date Sep. 30, 2022, PCT Pub. No. WO2021/201341, PCT Pub. Date Oct. 7, 2021.
Claims priority of application No. 10-2020-0040185 (KR), filed on Apr. 2, 2020.
Prior Publication US 2023/0146227 A1, May 11, 2023
Int. Cl. H04W 72/40 (2023.01); H04W 28/02 (2009.01); H04W 72/25 (2023.01); H04W 72/566 (2023.01)

CPC H04W 72/40 (2023.01) [H04W 28/0278 (2013.01); H04W 72/25 (2023.01); H04W 72/566 (2023.01)]

15 Claims

1. A method comprising:

receiving, by a first device, from a second device, a first physical sidelink control channel (PSCCH) and a first physical sidelink shared channel (PSSCH) related to the first PSCCH;

storing, by the first device, first relay data received through the first PSSCH in a first buffer;

storing, by the first device, data from an upper layer of the first device in a second buffer;

transmitting, by the first device, to a base station, at least one of a scheduling request (SR) or a buffer status report (BSR) for requesting a grant for transmission of the first relay data, based on the data being available in the second buffer;

receiving, by the first device, the grant from the base station; and

transmitting, by the first device, the first relay data in the first buffer based on the grant.