Joint demodulation of a desired signal and an interfering signal based on a carrier-to-interference ratio estimate
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United States of America Patent
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Feb 3, 2015
Grant Date -
Jun 5, 2014
app pub date -
Feb 10, 2014
filing date -
Dec 20, 2001
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Abstract
A technique includes jointly demodulating a desired signal and an interfering signal of a received signal in response to a carrier-to-interference ratio estimate for the received signal being below a threshold level. The jointly demodulating is based on first channel impulse response coefficients associated with the desired signal and second channel impulse response coefficients associated with the interfering signal. The technique includes determining the first channel impulse response coefficients based on a first cross-correlation function between the received signal and a training sequence of the desired signal and determining the second channel impulse response coefficients based on a second cross-correlation function between the received signal and a training sequence of the interfering signal. The second channel impulse response coefficients are determined based on a time difference between a time value of a peak in the first cross-correlation function and a time value of a peak in the second cross-correlation function.
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