Channel balancing algorithm

Details Channel balancing algorithm Channel balancing algorithm

2008-04-23

2011-10-25

Phan, Hanh (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S079000, C398S038000, C398S034000, C398S197000, C398S196000

Reexamination Certificate

active

08045852

ABSTRACT:
An algorithm is disclosed for performing channel balancing on channels between optical network elements within an optic-fiber communications system. The algorithm groups at least a portion of the channels into channel pairs, differentially adjusts the transmitter output power level of each of the channel pairs until the bit error ratio (BER) of at least one channel in each of the channel pairs exceeds a threshold, and records a respective power margin for each of the channels as the difference between the initial and final power levels. From the recorded power margins, a mean power margin is determined that is used to shift the transmitter output power level of each of the channels.

REFERENCES:
patent: 6040933 (2000-03-01), Khaleghi et al.
patent: 6219162 (2001-04-01), Barnard et al.
patent: 6701089 (2004-03-01), Goodwin et al.

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