Method and apparatus for timing recovery based on dispersion characterization and components therefor
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United States of America Patent
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Sep 12, 2006
Grant Date -
May 23, 2002
app pub date -
Sep 7, 2001
filing date -
Oct 17, 2000
priority date (Note) -
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Abstract
The present invention provides a method for generating a timing offset signal applied to a sampling device for recovering a symbol stream from a broadcast signal by characterizing the dispersion of received signal. Preferably, the method includes steps for generating a derivative signal approximating the derivative of the symbol stream, producing a constant representative of an expected symbol stream, and multiplying the derivative signal, the constant, and a signal one of corresponding to and approximating the symbol stream to thereby generate the timing offset signal. A dispersion characterizing receiver and a digital signal processor employed therein are also described.
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