Block detection receiver
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United States of America Patent
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Sep 16, 2003
Grant Date -
N/A
app pub date -
Dec 21, 1998
filing date -
Dec 21, 1998
priority date (Note) -
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Abstract
A method and apparatus for receiving orthogonal signals in a spread-spectrum communications system. A demodulator provides groups of de-spread samples of a processed received signal. The groups of de-spread samples are passed through an orthogonal code transformer to provide sequential transformer blocks. The blocks are buffered in sequences of 2 or 3. Then each buffered sequence is subjected to a summing, squaring and selection operation a to obtain a desired orthogonal code from each of the transformer blocks of the two or three transformer blocks.
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