SIGNAL PROCESSING CIRCUIT AND SIGNAL PROCESSING METHOD FOR REMOVING CO-CHANNEL INTERFERENCE
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Nov 25, 2008
filing date -
Aug 27, 2008
priority date (Note) -
Abandoned
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Abstract
A signal processing circuit and a signal processing method for removing a co-channel interference from a digital signal are provided. The signal processing circuit employs an adaptive filter for estimating a co-channel interference in a received digital signal. The adaptive filter takes the digital signal having a symbol signal outputted from a slicer subtracted therefrom as an input thereof. As such, the output of the adaptive filter does not contain any symbol data. Therefore, when the outputted estimation signal is subtracted from the received digital signal, it won't introduce any inter-symbol interference.
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