Efficient security-related processing

摘要

An efficient security related procedure is disclosed. A plurality of service data units (SDUs) having the same priority is multiplexed to one unit signal. The unit signal is ciphered using a mask generated by a first parameter combination. The receiver simultaneously deciphers the multiplexed service data units (SDUs), such that a Layer-2 (L2) processing time is efficiently reduced and the problems encountered by signals vulnerable to security can be efficiently solved.

主权项

1. A method for transmitting a signal by a transmitter to a receiver over a radio frequency (RF) channel, the method comprising:
multiplexing, by the transmitter, a plurality of service data units (SDUs) to form a unit signal, the plurality of SDUs having a same priority and being mapped to a radio bearer (RB), wherein the plurality of SDUs are user data; ciphering, by the transmitter, the unit signal using a mask to generate a ciphered unit signal, the mask generated by a first parameter combination that includes a plurality of ciphering parameters, the plurality of ciphering parameters including a ciphering key (CK), a count value, a radio bearer identifier (RB ID) corresponding to the multiplexed SDU, and a length of the mask; and transmitting, by the transmitter, the ciphered unit signal to the receiver over the RF channel.