Communication channel tracking apparatus
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United States of America Patent
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Oct 7, 2008
Grant Date -
Apr 6, 2006
app pub date -
Oct 1, 2004
filing date -
Oct 1, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus are provided for a communication signal processing apparatus having a channel estimator configured to generate a first channel estimation at a first time point, a linear predictor coupled to the channel estimator, and an adaptive filter coupled with the linear predictor. The linear predictor is configured to predict a second channel estimation based on a second time point and a channel frequency. The second time point is concurrent or subsequent to the first time point. The second channel estimation includes a first coefficient. The linear predictor includes a first predictor having a sample time point. The first predictor is configured to generate the first coefficient of the second channel estimation based on the sample time point and the second time point. The sample time point is prior to the second time point. The adaptive filter is configured to recursively determine the second channel estimation.
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