Performance Analysis of Anti-Interference UWB-OFDM System

被引：0
|
作者：
ZHANG Shi-bing 1
2.School of Electronics and Information
机构：
来源：
The Journal of China Universities of Posts and Telecommunications | 2006年 / 02期
关键词：
UWB; anti-interference; bit error rate; coding; spreading;
D O I：
暂无
中图分类号：
TN919.72 [无线数据通信];
学科分类号：
0810 ; 081001 ;
摘要：
This paper examines the robustness of anti-interference Ultra-Wide-Band UWB-OFDM (AI-UWB) systems in presence of narrow-band interference. It analyzes the bit error rate performance of the systems in both the single-user and multi-user modes, and compares its robustness in different code matrixes. By encoding transmitted symbols and spreading their power over all sub-bands, AI-UWB systems can make full use of the frequency diversity across the sub-bands and have more robustness to the narrowband interference. Simulating results show that different codes have almost the same robustness to the narrowband interference. The encoding and spreading could suppress the narrowband interference effectively. Compared with the IS-UWB systems, our approach has more than 5 dB interference margin.
引用
收藏
页码：6 / 9 +38
页数：5
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