SAFETY PROTECTION METHOD, DEVICE, AND NETWORK ACCESS DEVICE Russian patent published in 2022 - IPC H04W12/02 

FIELD: wireless communication.

SUBSTANCE: safety protection method includes stages of: reception from the second network access device by the first network access device of a message containing a safety policy of a user plane, which is used for indication of a type of protection of user plane safety, to be initiated by the first network access device; determination, based on the safety policy of the user plane, of an algorithm of user plane safety and a user plane key corresponding to the algorithm of user plane safety; or selection of the algorithm of user plane safety by default, and determination of the user plane key corresponding to the algorithm of user plane safety by default.

EFFECT: provision of an effective and flexible method for transmission of user plane data in network architecture with double connection.

32 cl, 14 dwg