Blind Narrowband Interference Suppression in DS/CDMA Systems

机译：DS / CDMA系统中的盲窄带干扰抑制

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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.

机译：提出了一种基于FFT的盲窄带干扰抑制算法。通过保持接收信号的相位频谱并严格限制幅度频谱，可以使用存储的相位频谱和有限幅度频谱来重构信号。在此过程中，NBI的功率大大降低，从而实现了对NBI的抑制。该方法可用于抑制各种NBI。该算法的复杂度非常低，非常适合实时处理。

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来源
《International Conference on Signal Processing(ICSP'06); 20061116-20; Guilin(CN)》|2006年|P.1998-2001|共4页
会议地点 Guilin(CN)
作者
SUN Yongjun; TIAN Bin; SU Xin; YI Kechu;
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作者单位

National Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an China 710071;

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会议组织
原文格式 PDF
正文语种 eng
中图分类通信理论;
关键词
magnitude spectrum; phase spectrum; FFT;

机译：幅度谱;相位谱; FFT;

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专利

1. Time-frequency localised subspace tracking for narrowband interference suppression of DS/CDMA systems [J] . Sung-Hoon Hong, Byeong Gi Lee Electronics Letters . 1999,第13期

机译：时频局部子空间跟踪，用于DS / CDMA系统的窄带干扰抑制
2. Improved DSE-CMA Error Function for Blind Multiuser Interference Suppression in DS/CDMA Systems [J] . 赵海波, 胡光锐, 朱丽平上海大学学报：英文版 . 2005,第005期

机译：改进的DSE-CMA错误函数，用于DS / CDMA系统中的盲多用户干扰抑制
3. New nonlinear algorithms for narrowband interference suppression inCDMA spread-spectrum systems [J] . Kun-Jie Wang, Yan Yao IEEE Journal on Selected Areas in Communications . 1999,第12期

机译：CDMA扩频系统中抑制窄带干扰的新非线性算法
4. A Novel Blind Adaptive PredictionSubspace Code-Aided AR Narrowband Interference Suppression for CDMA Systems [C] . Yin Fulian, Gao Ya, Qin Yao International Conference on Wireless Communications, Networking and Mobile Computing . 2012

机译：CDMA系统的新型盲自适应预测和子空间码辅助AR窄带干扰抑制
5. Semi-blind interference suppression algorithm for a downlink MC-CDMA system that employs space time block code. [D] . Sin, Leon Chun Ho. 2003

机译：用于采用空时分组码的下行链路MC-CDMA系统的半盲干扰抑制算法。
6. A Charrelation Matrix-Based Blind Adaptive Detector for DS-CDMA Systems [O] . Zhongqiang Luo, Lidong Zhu 2015

机译：基于Charrelation Matrix的DS-CDMA系统盲自适应检测器
7. Narrowband Interference Cancellation in DS-CDMA System Using a Suppression Filter [O] . A. Hanafy, Khairy El-Barbary, Hossam Abou Bakr, 2012

机译：使用抑制滤波器的DS-CDMA系统中的窄带干扰消除

Blind Narrowband Interference Suppression in DS/CDMA Systems

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