Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jun 5, 2008
app pub date -
Jan 22, 2008
filing date -
Sep 26, 2001
priority date (Note) -
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Abstract
A method of data transmission according to one embodiment of the invention includes encoding a set of data values to produce a corresponding series of ordered n-tuples. The method also includes transmitting, according to the series of ordered n-tuples, a plurality of bursts over a plurality n of frequency bands. Specifically, for each of the plurality of bursts, a frequency band occupied by the burst is indicated by the order within its n-tuple of an element corresponding to the burst. A bandwidth of at least one of the plurality of bursts is at least two percent of the center frequency of the burst. Information is encoded into a polarity of at least one of the plurality of bursts.
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