System and method for spread spectrum communication
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United States of America Patent
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Dec 4, 2012
Grant Date -
Mar 20, 2008
app pub date -
Oct 29, 2007
filing date -
Oct 19, 2001
priority date (Note) -
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Abstract
A spreading code generating apparatus carries out M-sequence multiplication and zero value addition of generated orthogonal codes to obtain channel identification codes, and then carries out inverse Fourier transform of the channel identification codes to generate spreading codes and inverse spreading codes. A transmitting apparatus and a receiving apparatus store the spreading codes and the inverse spreading codes generated by the spreading code generating apparatus, respectively, and use a single code respectively selected from the stored codes to carry out spread spectrum communication.
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