METHOD, DEVICE AND SYSTEM OF NETWORK ROAMING AND INTERCOM Russian patent published in 2023 - IPC H04W8/02 

FIELD: wireless communication.

SUBSTANCE: first network element receives the registration request of the NG network user in accordance with the second deployment method, whereas the first network element is a network element in the NG network in accordance with the first deployment method, and the first network element is responsible for security management, mobility management and user connection management, and N is an integer from 2 to 5; the first network element communicates with the roaming device to obtain the first security authentication information and the first subscription data.

EFFECT: increased efficiency of network roaming and interaction between the 5G network in accordance with the NSA deployment method (non-autonomous deployment method) and the 5G network in the SA deployment mode (autonomous deployment method) for the user.

16 cl, 15 dwg