Patent ID: 11881931
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The method according to claim 1, wherein the second packet comprises a fifth value and a sixth value, the fifth value is a value displayed on a timestamp counter of the second device in response to the second device receiving the first packet, the sixth value is a value displayed on the timestamp counter of the second device in response to the second device sending the second packet, and the timestamp counter of the second device is configured to perform counting based on the timing frequency of the second device; and
wherein determining the second receive timestamp at which the second device receives the first packet and the second send timestamp at which the second device sends the second packet comprises:
determining, by the first device based on the fifth value and the timing frequency of the second device, the second receive timestamp at which the second device receives the first packet; and
determining, by the first device based on the sixth value and the timing frequency of the second device, the second send timestamp at which the second device sends the second packet.