US 12,256,322 B2
Device and method for supporting federated network slicing amongst PLMN operators in wireless communication system
Sangsoo Jeong, Suwon-si (KR); and Hoyeon Lee, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/758,297
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Dec. 24, 2020, PCT No. PCT/KR2020/019064
§ 371(c)(1), (2) Date Jun. 30, 2022,
PCT Pub. No. WO2021/137526, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 10-2020-0000923 (KR), filed on Jan. 3, 2020.
Prior Publication US 2023/0043081 A1, Feb. 9, 2023
Int. Cl. H04W 48/18 (2009.01); H04W 8/02 (2009.01); H04W 48/16 (2009.01); H04W 60/00 (2009.01); H04W 84/04 (2009.01)
CPC H04W 48/18 (2013.01) [H04W 8/02 (2013.01); H04W 48/16 (2013.01); H04W 60/00 (2013.01); H04W 84/042 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method performed by an access and mobility management function (AMF) entity in a wireless communication system, the method comprising:
receiving, from a user equipment (UE), a registration request message;
transmitting, to a unified data management (UDM) entity, a first message for requesting subscription information for the UE;
receiving, from the UDM entity, a second message as a response to the first message, wherein the second message includes steering of roaming information including slice roaming information; and
transmitting, to the UE, a registration accept message as a response to the registration request message, wherein the registration accept message includes the steering of roaming information including the slice roaming information for the UE.