Adaptive interference-free spread-spectrum system employing binary code sequence sets with zero correlation zone properties
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United States of America Patent
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Nov 8, 2005
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N/A
app pub date -
Jan 26, 2000
filing date -
Jan 29, 1999
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Expired
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Abstract
A direct sequence spread spectrum system consisting of modulator and demodulator wherein the spreading sequence with zero correlation zone properties, and the despreading consists of multiplying the received signal with the same spreading sequence, followed by a low pass filter, decoder and deinterleaver. The bit rate of the spreading sequence for each user is normally much higher than the input encoded data bit rate, and therefore it spreads the system spectrum.
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