TERMINAL DEVICE, REFERENCE NETWORK DEVICE AND COMMUNICATION CONTROL METHOD Russian patent published in 2021 - IPC H04W76/20 

FIELD: wireless communication.

SUBSTANCE: user equipment (hereinafter – UE): transmits to a unit of access and mobility management function (hereinafter – AMF) a message of a non-access stratum (NAS), including a name of the data transmission network (hereinafter – DNN) corresponding to DN, in a procedure for creating a session of a protocol data unit (hereinafter – PDU), to create a new PDU session to DN, while DNN is DNN that UE received from the mentioned AMF in a registration approval message in a registration procedure before the procedure for creating a PDU session.

EFFECT: in the situation of creating sessions with connection to many DN, providing the possibility of the terminal device and each device in the reference network to recognize types of DN, to which sessions are connected.

16 cl, 27 dwg