US 12,294,935 B2
Apparatus and method for providing security in wireless communication system
Kyungjoo Suh, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/795,107
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Jan. 22, 2021, PCT No. PCT/KR2021/000907
§ 371(c)(1), (2) Date Jul. 25, 2022,
PCT Pub. No. WO2021/150059, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 10-2020-0009393 (KR), filed on Jan. 23, 2020.
Prior Publication US 2023/0086538 A1, Mar. 23, 2023
Int. Cl. H04W 48/04 (2009.01); H04W 60/00 (2009.01)
CPC H04W 48/04 (2013.01) [H04W 60/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A user equipment (UE) for performing communication in a wireless communication system, the UE comprising:
a transceiver; and
at least one processor configured to:
transmit a registration request to an access and mobility management function (AMF) through the transceiver, and
in case that the UE is not allowed to a closed access group (CAG), receive a registration reject message from the AMF through the transceiver,
wherein the registration reject message includes an information element (IE) of a 5GMM cause and an IE of CAG information, and
wherein the IE of CAG information includes information associated with a CAG that is not allowed to the UE.