Floating-tap decision feedback equalizer for communication channels with severe reflection
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United States of America Patent
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May 14, 2013
Grant Date -
Jun 16, 2011
app pub date -
Jul 13, 2010
filing date -
Dec 14, 2009
priority date (Note) -
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Abstract
An apparatus including a first circuit and a second circuit. The first circuit may be configured to determine values for a predefined metric for a plurality of tap positions within a range covered by a decision feedback equalizer (DFE). The values for a number of taps may be determined in parallel. The second circuit may be configured to set one or more floating taps of the DFE to tap positions based upon the values of the predefined metric. The floating taps in the decision feedback equalizer may be selected adaptively.
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