Compensation of polarization mode dispersion in single mode...

Details Compensation of polarization mode dispersion in single mode... Compensation of polarization mode dispersion in single mode...

2007-03-06

2007-03-06

Leung, Christina (Department: 2613)

Optical communications

Receiver

Including postcompensation

C398S149000, C398S159000

Reexamination Certificate

active

11378900

ABSTRACT:
An output signal of a single mode fiber (SMF) is spectrally shaped to achieve characteristics of a predefined channel “target” response. The target response is that of a partial-response, maximum-likelihood channel with additive white Gaussian noise. A receiver employs a maximum-likelihood sequence estimation (MLSE) detector having its detection algorithm, such as a Viterbi algorithm (VA), matched to the target response. Thus, state, branch, and path metric calculations for a Viterbi trellis may be optimized for a channel having this target response.

REFERENCES:
patent: 5191462 (1993-03-01), Gitlin et al.
patent: 5561647 (1996-10-01), Kayanuma
patent: 6016379 (2000-01-01), Bulow
patent: 6751255 (2004-06-01), Reuven et al.
patent: 6798832 (2004-09-01), Nakata et al.

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