Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system
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United States of America Patent
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Sep 30, 2008
Grant Date -
Jul 15, 2004
app pub date -
Oct 15, 2003
filing date -
Oct 15, 2002
priority date (Note) -
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Abstract
The present invention is directed to signal cancellation in spread spectrum communication systems. In particular, the present invention provides method and apparatus for selectively canceling interfering signals, even where symbols to be canceled do not align with symbols associated with a desired signal path. Furthermore, the interference cancellation provided by embodiments of the present invention is capable of functioning to remove interference associated with channels utilizing a symbol length that is different than the symbol length of a desired signal path. In accordance with a further embodiment of the present invention, method and apparatus for efficiently calculating projections to enable signal cancellation are provided.
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