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US 8,045,715 B2Granted
Method of handling security key change and related communication device
AssigneeInnovative Sonic Limited
InventorRichard Lee-Chee Kuo
Life of this patent
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Abstract
A method of handling security key change for a user equipment in a wireless communication system includes applying a radio resource control procedure to activate key change, where the radio resource control procedure covers two conditions where the key change is accompanied with an authentication and key agreement run and without an authentication and key agreement run.
Claims20
A method of handling a key change for a user equipment (UE) in a wireless communication system, the method comprising:
- using a radio resource control (RRC) procedure to activate the key change for a first condition of the key change with an authentication and key agreement (AKA) run and a second condition of the key change without the AKA run.
A communication device for performing a key change for a wireless communication system, the communication device comprising:
- A central processing unit, for executing a process;
- and
- a memory, for storing a program for executing the process, wherein the process comprises:
- using a radio resource control (RRC) procedure to activate the key change for a first condition of the key change with an authentication and key agreement (AKA) run and a second condition of the key change without the AKA run.
1 more element
Dependencies are inferred from the claim text.