Patent ID: 11901938
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The method of claim 1 wherein performing the classification comprises determining a match with one of the plurality of predefined faults for one or more of:
a gradient of the power of the optical signal against time;
an amount of power, duration and/or number of temporary increase(s) in the power of the optical signal, following a drop in the power of the optical signal;
an amount of variation of the power, and/or duration, of a plurality of temporary increases in the power of the optical signal, following a drop in the power of the optical signal;
an amount of noise in the power of the optical signal against time;
a final power of the stored series of samples of the optical signal; and
a time for the power of the optical signal to drop to zero or a final power.