RFI canceller
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United States of America Patent
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N/A
Issued Date -
Apr 7, 2005
app pub date -
Jan 29, 2003
filing date -
Jan 31, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Narrow band RF interference in a modulated signal carried on a plurality of subchannels is carried out by detecting RF interference in the subchannels, identifying a subchannel where the magnitude of the RF interference has a predetermined characteristic, determining the value of the magnitude of the RF interference with the predetermined characteristic, determining the value of the magnitude of the RF interference in neighboring subchannels, estimating the value of the magnitude of the RF interference the remaining subchannels from the determined values, and subtracting the estimated values of the magnitude of the RF interference from the signals in the corresponding remaining subchannels.
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