Subspace-based approaches for narrowband interference suppression in DS spread spectrum systems

被引:3
|
作者
Alshebeili, SA [1 ]
Al-Qurainy, AM [1 ]
Al-Qurainy, AM [1 ]
Al-Ruwais, AS [1 ]
机构
[1] King Saud Univ, Dept Elect Engn, Riyadh 11421, Saudi Arabia
来源
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 1999年 / 336卷 / 08期
关键词
spread spectrum systems; narrowband interference suppression; subspace analysis;
D O I
10.1016/S0016-0032(99)00033-2
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
It has been shown that the narrowband (NB) interference suppression capability of a direct sequence (DS) spread spectrum system can be enhanced considerably by processing the received signal via a subspace based prediction error filter. In this paper, a new interference-suppression method utilizing a subspace-based interpolation error filter is presented. The performance of DS spread spectrum communication systems in the presence of NB interference is studied when linear interpolation filters are employed for the estimation and-subsequent suppression of the interference. The advantages of linear interpolation filters over linear prediction filters with an identical number of taps are examined. (C) 2000 The Franklin Institute. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1199 / 1207
页数:9
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