USER EQUIPMENT Russian patent published in 2022 - IPC H04W76/18 

FIELD: communication.

SUBSTANCE: invention relates to the field of communication control, namely, control of control signals based on reasons other than overload control. To realise the technical result, a request information included in a first message with an initial session creation request is transmitted, based on the protocol data unit (PDU), to the network node in order to create a first PDU session with the data network name (DNN) and single network slice selection assistance information (S-NSSAI), a message denying the creation of a PDU session is received (S1122) and the request information included in a second message with an initial PDU session creation request is transmitted (S1100) to the network node in order to create a second PDU session when the reason value of the message denying the creation of a PDU session indicating that the first PDU session does not exist is received for the initial request to create a second PDU session.

EFFECT: improved overload control initiated by the terminal apparatus.

15 cl, 12 dwg