Method for channel tracking in an LMS adaptive equalizer for 8VSB
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United States of America Patent
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Nov 10, 2009
Grant Date -
Jul 24, 2008
app pub date -
Jul 11, 2007
filing date -
Jan 19, 2007
priority date (Note) -
Expired
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Abstract
A method and system for channel tracking in an adaptive equalizer for a digital data receiver. The method includes determining a first set of tap weights and a second set of tap weights of the equalizer, and determining a difference between the first and second sets of tap weights. The method also includes determining an error estimate based on symbols received at the receiver, comparing the error estimate with a divergence threshold, and determining a step size factor based on the difference and the comparison.
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