Method and apparatus for decision threshold control in an...

Details Method and apparatus for decision threshold control in an... Method and apparatus for decision threshold control in an...

2004-12-21

2008-09-09

Torres, Joseph D (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Data pulse evaluation/bit decision

C714S704000, C714S705000, C714S706000, C714S708000

Reexamination Certificate

active

07424651

ABSTRACT:
An apparatus and method for decision threshold control in an optical signal receiver. A forward error correction (FEC) decoder provides a feedback signal representative of corrected errors. The decision threshold is adjusted to balance a number of corrected ones and zeros.

REFERENCES:
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patent: 6871304 (2005-03-01), Hadjihassan et al.
patent: 6918069 (2005-07-01), Grandi et al.
patent: 7055084 (2006-05-01), Bock et al.
patent: 2006/0008279 (2006-01-01), Chiang et al.
patent: 1324555 (2003-07-01), None
patent: 2371187 (2002-07-01), None
patent: 03013030 (2003-02-01), None
European Search report issued in Application No. 05255359.1 dated Dec. 27, 2007 (7 pages).

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