Optical reception apparatus and optical transmission system

Details Optical reception apparatus and optical transmission system Optical reception apparatus and optical transmission system

2006-04-25

2006-04-25

Pascal, Leslie (Department: 2633)

Optical communications

Transmitter

Including compensation

C398S027000, C398S194000

Reexamination Certificate

active

07035552

ABSTRACT:
An optical reception apparatus comprises an optical receiver to receive an optical signal from an optical transmission line, an error corrector to correct an error of the received signal and to transmit the error-corrected signal and error rate information before error correction, a judging apparatus to judge transmission quality of the optical transmission line according to the error rate information from the error corrector and a threshold value equal to an error rate lower than an error correction limit of the error corrector, and a selective breaker to transmit the signal whose error is corrected by the error corrector in normal state and to block transmission of the signal whose error is corrected by the error corrector when the judged result by the judging apparatus indicates deterioration of the transmission quality of the optical transmission line.

REFERENCES:
patent: 4961190 (1990-10-01), Nakajima
patent: 2001/0053189 (2001-12-01), Kato
patent: 2004/0013433 (2004-01-01), Alexander et al.
patent: 4-78243 (1992-03-01), None
T. Mizuochi, et al., Transparent Multiplexer Featuring Super FEC for Optical Transport Networking, proceedings of SubOptic 2001, pp. 484-487.

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