Adaptation structure and methods for analog continuous time...

Details Adaptation structure and methods for analog continuous time... Adaptation structure and methods for analog continuous time...

2006-03-21

2006-03-21

Bayard, Emmanuel (Department: 2638)

Pulse or digital communications

Equalizers

Automatic

Reexamination Certificate

active

07016406

ABSTRACT:
Tap coefficients for fractionally-spaced equalizers are updated iteratively using error statistics from an input bit stream and an output bit stream, such as from a forward error correction circuit. The process continues until the errors converge to a sufficiently small number. Knowledge of the error patterns are used apriori to adaptively change the tap coefficients in a feedforward filter.

REFERENCES:
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patent: 5602507 (1997-02-01), Suzuki
patent: 5650954 (1997-07-01), Minuhin
patent: 6088390 (2000-07-01), Russell et al.
patent: 6721279 (2004-04-01), Zhang et al.

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