Patent ID: 11870490
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method according to claim 4, wherein the feature parameter indicating the abnormality level of the data comprises one or any combination of the following parameters:
a jitter level that is a level of a random change of receive optical power within the preset time window;
a weak-light ratio that is a ratio of a duration of weak light in the receive optical power to a total duration of the preset time window;
a strong-light ratio that is a ratio of a duration of strong light in the receive optical power to the total duration of the preset time window; or
a no-light ratio that is a ratio of a duration of no light in the receive optical power to the total duration of the preset time window.