Patent ID: 11882433
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The method of claim 5, wherein the RRC resume request comprises the I-RNTI, and wherein the method further comprises:
receiving, by the target access network device, the RRC resume request from the apparatus;
sending, by the target access network device, a context information obtaining request comprising the I-RNTI;
receiving, by the source access network device, the context information obtaining request from the target access network device;
obtaining, by the source access network device, the first indication information based on the I-RNTI;
sending, by the source access network device and to the target access network device, a context information obtaining response comprising the first indication information;
receiving, by the target access network device, the context information obtaining response;
activating, by the target access network device using the user plane security protection method, user plane security between the target access network device and the apparatus when the user plane security protection method can be supported; and
sending, by the target access network device, the RRC resume message to the apparatus.