RADIO TERMINAL, A RADIO STATION, A CORE NETWORK NODE AND A METHOD THEREIN Russian patent published in 2021 - IPC H04W8/00 H04W28/18 

FIELD: wireless communication equipment.

SUBSTANCE: invention relates to wireless communication. Radio terminal comprises memory and at least one processor connected to memory and configured to transmit a radio resource control (RRC) connection setting message to the radio station, including an information element indicating whether a radio terminal supporting a communication architecture type is supported, in which a data packet relating to the Cellular Internet of Things (CIoT) is transmitted through a control plane, a communication architecture type in which said data packet associated with the CIoT, is transmitted through a user plane, wherein the RRC connection setup complete message is sent without using the packet data convergence protocol (PDCP), and said information element is access layer (RRC) information (AS).

EFFECT: technical result consists in improvement of communication efficiency, reduction of alarm messages.

16 cl, 29 dwg