US 12,250,624 B2
Method and device for supporting interworking between systems in wireless communication system
Hoyeon Lee, Gyeonggi-do (KR); Jungshin Park, Gyeonggi-do (KR); Youngkyo Baek, Gyeonggi-do (KR); and Sangsoo Jeong, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd, (KR)
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on Dec. 30, 2021, as Appl. No. 17/565,748.
Claims priority of application No. 10-2020-0188991 (KR), filed on Dec. 31, 2020.
Prior Publication US 2022/0210725 A1, Jun. 30, 2022
Int. Cl. H04W 48/18 (2009.01); H04W 8/22 (2009.01)
CPC H04W 48/18 (2013.01) [H04W 8/22 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method performed by a first entity in a wireless communication system, the method comprising:
transmitting, by the first entity to a second entity, a registration request message including information related to the first entity;
receiving, by the first entity from the second entity, a registration response message;
transmitting, by the first entity to the second entity, a network slice selection request message including information related to inter-system interworking;
receiving, by the first entity from the second entity, a network slice selection response message including information related to at least one third entity in response to the network slice selection message; and
selecting, by the first entity, a third entity based on the network slice selection response message,
wherein the first entity and the third entity are an access and mobility function, and the second entity is a network slicing selection function or a network repository function.