Patent ID: 11956691
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The method according to claim 1, wherein the obtaining, by the first mobility management network element, information about a second network element based on the first cell identifier and the network identifier comprises:
determining, by the first mobility management network element, that the first cell identifier belongs to a first tracking area (TA) list allocated by the first mobility management network element to the terminal device;
sending, by the first mobility management network element, the first cell identifier and the network identifier to a network repository function network element, wherein the first cell identifier and the network identifier are used to determine the information about the second network element; and
receiving, by the first mobility management network element, the information about the second network element from the network repository function network element.