Spread spectrum coding method and apparatus thereof
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United States of America Patent
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Dec 9, 2008
Grant Date -
Sep 23, 2004
app pub date -
Jan 28, 2004
filing date -
Mar 4, 2003
priority date (Note) -
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Abstract
A spread spectrum coding method. First, a data signal containing a DC component is encoded into an encoded data signal without any DC component. The encoded data signal excluding any DC component is then spread with a spreading code to generate a transmission signal, wherein the transmission signal does not contain any DC component. Furthermore, an alternative method is to spread a data signal with a spreading code to generate a transmission signal, wherein the data signals, spreading codes, and transmission signals all contain a DC component. The transmission signal is then encoded to remove the DC component.
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