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

Claim 10:
11. A user equipment (UE), the UE comprising:
a transceiver; and
at least one processor configured to control the transceiver to:
transmit, to a network entity, a registration request message including a registration type information indicating a periodic registration updating or a mobility registration updating,
receive, 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,

identify that a previously received allowed NSSAI as invalid based on the registration accept message, and
initiate 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.