Patent ID: 11882443
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A method of a user equipment (UE), comprising:
receiving a first authentication request in response to a first triggering request from the UE to a mobility management node of a first Tracking Area (TA) in which the UE is located;
in response to determining that the UE has moved from the first TA to a second TA:
aborting a sending of a first authentication response;
aborting the first triggering request;
sending a second triggering request from the UE to a mobility management node of the second TA;
receiving, from the mobility management node of the second TA, a second authentication request in response to the second triggering request; and
sending a second authentication response according to the second authentication request to the mobility management node of the second TA in response to the receiving of the second authentication request.