Joint adaptive optimization of soft decision device and feedback equalizer
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United States of America Patent
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Jul 19, 2011
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Feb 20, 2009
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Dec 18, 2001
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Abstract
The present invention uses a novel adaptive soft decision device in order to jointly optimize decision device and DFE operation. The soft decision device receives the input and output samples of the slicer and generates a feedback sample by non-linearly combining them with respect to a single decision reference parameter. Moreover, the soft decision device provides novel error terms used to adapt equalizer coefficients in order to jointly optimize decision device and equalizer coefficients.
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