Apparatus and method for canceling narrow-band interference...

Details Apparatus and method for canceling narrow-band interference... Apparatus and method for canceling narrow-band interference...

2008-01-29

2008-01-29

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S144000, C375S148000, C455S114200, C455S278100, C455S296000

Reexamination Certificate

active

10315644

ABSTRACT:
An apparatus and method for canceling narrow-band interference in a wideband mobile communication system. The apparatus includes a down converter for down converting a received signal into a baseband signal, an analog-to-digital converter for converting the baseband signal into a digital signal, a decimation filter for decimating the digital signal according to a decimation ratio, an interference canceller for detecting narrow-band interference signals contained in an output of the decimation filter, and canceling the narrow-band interference signals, and a demodulator for demodulating an output of the interference canceller.

REFERENCES:
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patent: 08-086448 (1996-04-01), None
patent: 2000-101479 (2000-04-01), None
Pouttu, A.; Juntti, J.; Kumpumaki, T.; Adaptive transform domain interference suppression in a hybrid DS/FH-system; Sep. 2-4, 1998; 1998 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications; p. 351-355.
Rifkin, R.; Vaccaro, J.J.;Comparison of narrowband adaptive filter technologies for GPS; Mar. 13-16, 2000; IEEE 2000 Position Location and Navigation Symposium; pp. 125-131.□□.

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