Timing-offset estimation in modulated signals using weighted correlation values
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United States of America Patent
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Oct 5, 2010
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app pub date -
Oct 3, 2007
filing date -
Oct 3, 2007
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Abstract
value. A stream of combined, squared correlation values is generated by combining and squaring the 2V weighted correlation values for each sample of the OFDM signal. For each cyclic prefix of the OFDM signal, a timing-offset estimate is determined based on a detected peak value in the stream of combined, squared correlation values. A timing-offset estimator with triangular weighting scheme may be implemented using recursive processing.
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