Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mehdl Tavassoli Kilani0
Date of Patent
December 13, 2005
0Patent Application Number
099445590
Date Filed
August 31, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for adaptively removing interference from a signal. In one embodiment, the invention comprises an infinite impulse response (IIR) notch filter configured to receive a wideband signal and provide a filtered output signal, and a controller coupled to the notch filter to adaptively control the null frequency of the notch filter thereby removing narrowband interference from the received wideband signal. The controller may employ a gradient-based algorithm to detect the highest power frequency band in the output signal and modify the null frequency of the notch filter to minimize the power of the output signal.
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