Method and apparatus for estimating response characteristic, and receiving method and receiver utilizing the same
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United States of America Patent
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Mar 10, 2009
Grant Date -
May 27, 2004
app pub date -
Nov 19, 2003
filing date -
Nov 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Baseband input units input baseband received signals. Initial value computation units compute correlation values by performing correlation processings between the baseband received signals and a training signal in the interval of the training signal. A phase error estimating unit outputs a phase error signal based on the baseband received signals arid the training signal. Weight computation units generate initial weighting coefficients by compensating the correlation values with the phase error signal, when the interval of the training signal ends. In the interval of a data signal, the weighting coefficients are updated from the initial weighting coefficients. A synthesizing unit adds up the baseband signals after weighting the baseband received signals with the weighting coefficients.
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