Patent ID: 11889456
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method of a user equipment (UE), the method comprising:
transmitting, by the UE to a network entity, a registration request message including a registration type information indicating a periodic registration updating or a mobility registration updating;
receiving, by the UE from the network entity, a registration accept message including a pending network slice selection assistant information (NSSAI) and a registration result information with an indicator indicating a network slice-specific authentication and authorization (NSSAA) is to be performed;
identifying, by the UE, that a previously received allowed NSSAI as invalid based on the registration accept message; and
initiating, by the UE, a service request procedure in case that the UE in an idle mode obtains an indication that an access stratum connection is established between the UE and the network entity.