DATA TRANSMISSION METHOD AND DEVICE Russian patent published in 2022 - IPC H04W72/04 

FIELD: communication.

SUBSTANCE: serving base station receives the terminal identification information from the terminal in the inactive state, where in the inactive state there is a path corresponding to the terminal between the anchor base station and the core network, and there is a terminal context in the anchor base station. Serving base station determines the base station of the terminal based on the identification information and sends a new temporary radio network cell identifier (C-RNTI), allocated by a serving base station to a terminal, to a base station.

EFFECT: enabling successful completion of a terminal security check by an anchor base station during the next resumption of a radio resource control (RRC) connection.

21 cl, 11 dwg