METHODS AND SYSTEMS FOR PROCESSING A DIGITAL SIGNAL BY ESTIMATING SIGNAL ENERGY AND NOISE POWER DENSITY
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United States of America Patent
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Issued Date -
Dec 19, 2013
app pub date -
Jun 19, 2012
filing date -
Jun 19, 2012
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Abandoned
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Abstract
Systems and methods are described for processing a digital signal. In one embodiment, the method comprises receiving time-aligned input samples of an input signal; computing at least one moment using the time-aligned input samples; determining at least one of signal energy per symbol and noise power spectral density based on the at least one moment; and adjusting an input signal level based on the at least one of the signal energy per symbol and the noise power spectral density.
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