Method and Apparatus for Decision Threshold Control In An Optical Signal Receiver
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United States of America Patent
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Aug 26, 2008
filing date -
Dec 21, 2004
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Abandoned
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Abstract
A method of adjusting a decision threshold in an optical signal receiver. A forward error correction (FEC) decoder provides a feedback signal representative of corrected errors. The decision threshold is adjusted in response to a polarity of the received signal and to balance a number of corrected ones and zeros.
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