US 12,010,547 B2
Method and device for performing communication between terminals in wireless communication system
Hyunjeong Kang, Suwon-si (KR); Sangkyu Baek, Suwon-si (KR); and Seungri Jin, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/764,752
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Sep. 25, 2020, PCT No. PCT/KR2020/013121
§ 371(c)(1), (2) Date Mar. 29, 2022,
PCT Pub. No. WO2021/066421, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 10-2019-0122641 (KR), filed on Oct. 2, 2019; and application No. 10-2019-0129343 (KR), filed on Oct. 17, 2019.
Prior Publication US 2022/0377599 A1, Nov. 24, 2022
Int. Cl. H04W 28/02 (2009.01); H04W 76/10 (2018.01); H04W 76/30 (2018.01); H04W 92/18 (2009.01)
CPC H04W 28/0273 (2013.01) [H04W 28/0263 (2013.01); H04W 76/10 (2018.02); H04W 76/30 (2018.02); H04W 92/18 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An operation method of a sidelink transmission terminal in a wireless communication system, the operation method comprising:
determining a type of a core network (CN);
determining whether to activate a service data adaptation protocol (SDAP) layer function based on the type of the CN,
based on a result of the determination, transmitting a message indicating whether to activate a SDAP layer function to a sidelink reception terminal;
determining to establish or release a service data adaptation protocol (SDAP) entity related to sidelink communication based on SDAP configuration information, wherein the SDAP configuration information includes a cast type associated with a destination identifier, and the destination identifier relates to a destination of the sidelink communication; and
establishing or releasing the SDAP entity, based on the determination to establish or release the SDAP entity,
wherein the cast type associated with the destination identifier is one of unicast, groupcast, or broadcast.