Patent ID: 11901937
Assignee: ACCELINK TECHNOLOGIES CO., LTD.
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The non-transitory computer readable medium according to claim 8, wherein the determining a sending time of a third optical signal recorded by a sending node comprises: sending, by a local end node used as the sending node, the third optical signal to an opposite end node, and recording a time stamp of sending the third optical signal as the sending time; correspondingly, the determining a receiving time of the third optical signal recorded by a receiving node comprises: receiving, by the local end node, the receiving time sent by the opposite end node used as the receiving node;
or,
the determining a sending time of a third optical signal recorded by a sending node comprises: receiving, by a local end node, the sending time sent by an opposite end node; correspondingly, the determining a receiving time of the third optical signal recorded by a receiving node comprises: receiving, by the local end node used as the receiving node, the third optical signal, and recording a time stamp of receiving the third optical signal as the receiving time.