Patent ID: 11902776
Assignee: NEC CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. An Authentication Server Function (AUSF) node comprising:
a receiver configured to
receive information for performing an authentication procedure for user equipment (UE) from an Access and Mobility Function (AMF) node that received a Registration Request message sent from the UE via a non-3GPP access network (AN) and a Non-3GPP Inter Working Function (N3IWF) node,
receive an Authentication Vector (AV) including an expected response (XRES) from an Unified Data Management (UDM) node, and
receive a response (RES) from the UE via a Security Anchor Function (SEAF); and
a processor configured to authenticate the UE by comparing the RES with the XRES,
wherein the Registration Request message includes a Key Set Identifier (KSI) and UE Security Capabilities.