Blind Narrowband Interference Suppression in DS/CDMA Systems

This paper proposes a blind narrowband interference suppression algorithm based on FFT. By keeping the phase spectrum of the received signal and hard limiting the magnitude spectrum, the signal is reconstructed with the stored phase spectrum and limited magnitude spectrum. During the process, the po...

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Bibliographic Details
Published in2006 8th international Conference on Signal Processing Vol. 3
Main Authors Sun Yongjun, Tian Bin, Su Xin, Yi Kechu
Format Conference Proceeding
LanguageEnglish
Published 2006
Subjects
Dispersion
Electronic mail
Frequency domain analysis
Interference suppression
Intserv networks
Limiting
Multiaccess communication
Narrowband
Spread spectrum communication
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Summary:This paper proposes a blind narrowband interference suppression algorithm based on FFT. By keeping the phase spectrum of the received signal and hard limiting the magnitude spectrum, the signal is reconstructed with the stored phase spectrum and limited magnitude spectrum. During the process, the power of NBIs is greatly decreased, thus the suppression of the NBIs is achieved. The method can be used to suppress various NBIs. The algorithm has a very low complexity that is very suitable to the real-time processing
ISBN:0780397363
9780780397361
ISSN:2164-5221
DOI:10.1109/ICOSP.2006.345801