Patent ID: 11895498
Assignee: FUTUREWEI TECHNOLOGIES, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A user equipment (UE), comprising:
a non-transitory memory storage comprising instructions; and
one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
receive a first security command message from a base station, an access stratum (AS) security mode command (SMC) message during an AS SMC procedure, the AS SMC message being integrity protected with a radio resource control (RRC) integrity key and indicating a first integrity protection algorithm and a first encryption algorithm for a RRC traffic signaling protection procedure between the UE and the base station;
transmit a security command complete message to the base station, the security command complete being integrity protected with the RRC integrity key and the first integrity protection algorithm as indicated in the AS SMC message; and
receive, from the base station during a data radio bearer (DRB) establishment procedure that is performed after transmitting the security command complete message, a RRC message comprising a user plane (UP) integrity indication and a UP encryption indication for a DRB of a protocol data unit (PDU) session between the UE and the base station.