Patent ID: 11871470
Assignee: ELECTRONICS AND TELECOMMINICATIONS RESEARCH INSTITUTE
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A communication device for a user equipment (UE), the communication device comprising:
a circuitry which is configured to:
cause the UE to transmit a first message, wherein the first message indicates a request for an attach procedure;
cause the UE to receive a second message, wherein the second message indicates that the request for the attach procedure has been accepted, and wherein the second message comprises a request to activate a default bearer context;
determine that the default bearer context has been activated; and
cause the UE to transmit, subsequent to determining that the default bearer context has been activated, a third message in response to the second message, wherein the third message comprises an acknowledgement of an activation of the default bearer context.