TERMINAL DEVICE AND CORE NETWORK DEVICE Russian patent published in 2022 - IPC H04W28/18 H04W76/10 H04W76/22 H04W8/24 

FIELD: wireless communication.

SUBSTANCE: communication control method performed by user equipment (UE) comprises steps of: sending a PDU session creation request message to a network during a registration procedure; receiving, from the network, a backoff timer value which is neither null nor invalid if the PDU session creation request message is rejected during the registration procedure; a timer is started with the received backoff timer value, and another message is not sent to the network with a request to create a PDU session when the absence of S-NSSAI and the absence of DNN are combined until the timer expires.

EFFECT: providing congestion control for each network slice.

2 cl, 12 dwg