Variable rate transmitting method and apparatus using bi-orthogonal functions for variable rate transmission rates above a predetermined value
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United States of America Patent
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Sep 30, 2003
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N/A
app pub date -
Jan 26, 1999
filing date -
Jun 20, 1997
priority date (Note) -
Expired
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Abstract
Described is a variable rate transmission apparatus for spread modulating data signals by using spread code sequences and transmitting the processed signals. The variable rate transmission apparatus spread modulates the data signals, upon the condition that the transmission rate of each data signal is greater than or equal to a predetermined transmission rate, in a binary sequence using bi-orthogonal signals and transmits the processed signals.
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