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

Claim 14:
15. The communication device according to claim 12, wherein the obtaining information about a second network element based on the first cell identifier and the network identifier comprises:
determining that the first cell identifier does not belong to a first TA list allocated by the communication device to the terminal device;
sending, by the transceiver, the first cell identifier to a network repository function network element;
receiving, by the transceiver, information about a second mobility management network element from the network repository function network element, wherein the second mobility management network element is a mobility management network element that can serve a cell corresponding to the first cell identifier;
sending, by the transceiver, the first cell identifier and the network identifier to the second mobility management network element indicated by the second mobility management 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 transceiver, the information about the second network element from the second mobility management network element.