Method and apparatus for processing digitally sampled signals at a resolution finer than that of a sampling clock
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United States of America Patent
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Nov 7, 2006
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N/A
app pub date -
Mar 9, 2001
filing date -
Mar 9, 2001
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Abstract
A method and related apparatus for reproducing a periodic signal received over a communication channel, or signal window of a desired profile, wherein the resolution of the reproduced signal or window is not limited by a digital sampling interval. The profile can be selected to match and compensate for known or estimated characteristics of a communication channel. A frequency difference, due to a Doppler frequency shift or other errors between received signals and locally generated signals, is determined in a receiver and utilized to derive a fine code phase measurement that is then usable to generate a succession of magnitudes that reproduce the desired signal or window profile.
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