Using multiple correlators to determine signal sent and frequency offset
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United States of America Patent
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Dec 19, 2017
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app pub date -
Dec 10, 2014
filing date -
Dec 20, 2013
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Abstract
A digital radio receiver is adapted to receive radio signals modulated using continuous phase modulation. The receiver includes components for receiving analogue radio signals having various carrier frequencies and a plurality of correlators corresponding to different bit sequences. Each of the plurality of correlators share a common estimator for estimating a frequency offset between the radio signals carrier frequencies and nominal carrier frequencies. The receiver further includes components allowing the estimator to determine which of the correlators produce the most optimal output signal.
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