Alternating quadratures differential binary phase shift keying modulation and demodulation method
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United States of America Patent
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Dec 1, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 28, 2006
filing date -
Mar 28, 2006
priority date (Note) -
Expired
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Abstract
A method of performing alternating quadratures differential binary phase shift keying modulation involves limiting phase changes between adjacent in time modulator output symbols to ±90 °, and transmitting modulator input data by 0° and 180° phase differences between non-adjacent in time modulator output symbols.
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