Interference cancellation in a CDMA receiving system
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United States of America Patent
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Apr 24, 2007
Grant Date -
Mar 20, 2003
app pub date -
Aug 31, 2001
filing date -
Aug 31, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Transmitted signals from plurality of mobile terminals are received at one or more base stations in a Code Division Multiple Access system. The base stations send the received signals to a central processor in the form of complex signal sample streams. The central processor determines the correlations between the spreading codes used by the mobile terminals and combines the interference correlations with channel estimates to form an interference matrix. The central processor uses the interference matrix to process the received signals reduce the interference between signals from different mobile terminals.
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