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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Demirekler; Levent
Address:
Columbia, MD
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
7292639 Method and apparatus for peak to average power ratio reduction for orthogonal frequency division November 6, 2007
A multi-stage signal processing method is provided that reduces the Peak to Average Power Ratio (PAPR) of an Orthogonal Frequency Division Multiplexed (OFDM) signal without increasing the bit error rate of the system. The multi-stage processing system apportions the tones into a numb
7181001 Apparatus and method for echo cancellation February 20, 2007
An apparatus and method for echo cancellation that detects and tracks the active regions of the echo channel impulse response rather than the entire echo channel impulse response and uses this sparse model to cancel the echo component of the received signal. Two sets of filter coeffi
6980646 Apparatus and method for echo cancellation December 27, 2005
An apparatus and method for echo cancellation that detects and tracks the active regions of the echo channel impulse response rather than the entire echo channel impulse response and uses this sparse model to cancel the echo component of the received signal. Two sets of filter coefficien










 
 
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