Patent ID: 11870856
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 23:
24. A method, comprising:
receiving, from a terminal, a registration request comprising home public land mobile operator network (PLMN) single network slice selection assistance information (S-NSSAI) corresponding to a packet data network (PDN) connection in a fourth generation (4G) network;
obtaining, based on visited PLMN S-NSSAI and subscribed S-NSSAI of the terminal, allowed S-NSSAI of a visited PLMN, wherein the visited PLMN S-NSSAI is mapped from the home PLMN S-NSSAI, and wherein the allowed S-NSSAI indicates a network slice of the visited PLMN that the terminal is allowed to access; and
sending a registration response to the terminal, wherein the registration response includes the allowed S-NSSAI.