TERMINAL DEVICE, REFERENCE NETWORK DEVICE AND COMMUNICATION CONTROL METHODТЕРМИНАЛЬНОЕ УСТРОЙСТВО, УСТРОЙСТВО ОПОРНОЙ СЕТИ И СПОСОБ УПРАВЛЕНИЯ СВЯЗЬЮ Russian patent published in 2021 - IPC H04W8/24 H04W60/00 

FIELD: communication methods.

SUBSTANCE: invention relates to a communication method performed by user equipment (UE). The method comprises: receiving a first identity or a second identity from an access and mobility management function (AMF), adding a single network slice selection auxiliary information (S-NSSAI) to an S-NSSAI list in case the first identity is received, and adding S-NSSAI to the S-NSSAI list in case the second identification information is received, the first identification information indicating that the S-NSSAI is not available in the current public land mobile network (PLMN), and the second identification information indicating that S-NSSAI is not available in the current registration area.

EFFECT: ensuring that the registration information of the UE is updated.

6 cl, 28 dwg