Patent ID: 11889583
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The TA update method according to claim 1, wherein continuing to detect the subsequent broadcast message and determining whether to initiate the TA update procedure comprises:
recording, by the terminal device when detecting that a subsequent TA corresponding to the subsequent TAC does not belong to the first TA list or the second TA list, the subsequent TA in the second TA list; and
clearing, by the terminal device, the second TA list when detecting that at least one TA in the subsequent TA belongs to the first TA list; or
initiating, by the terminal device, the TA update procedure and clearing the second TA list when the terminal device detects that a subsequent TA corresponding to the subsequent TAC belongs to the second TA list but not the first list.