Apparatus for and method of controlling a feedforward filter of an equalizer
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United States of America Patent
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Oct 6, 2009
Grant Date -
Aug 30, 2007
app pub date -
Apr 8, 2005
filing date -
Apr 9, 2004
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Abstract
A method of controlling a feedforward filter of an equalizer includes the steps of generating a complex representation of an output of the feedforward filter and generating a representation of a decision from an output of the equalizer. The complex representation and the decision representation are correlated to obtain a phase error estimate. A phase correction value is generated based on the phase error estimate and used to adjust the phase of the output of the feedforward filter.
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