The effect of NBI on UWB time-hopping systems

被引：74
|
作者：
Chu, XL [1 ]
Murch, RD [1 ]
机构：
[1] Hong Kong Univ Sci & Technol, Ctr Wireless Informat Technol, Dept Elect & Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2004年 / 3卷 / 05期
关键词：
binary pulse-position modulation (BPPM); minimum mean square error (MMSE); narrowband interference (NBI); rake receiver; time hopping; ultrawideband (UWB);
D O I：
10.1109/TWC.2004.833462
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter presents an analysis of the effect of narrowband interference (NBI) on ultrawideband (UWB) time-hopping (TH) systems in the presence of multipath fading using both analytical derivations and simulations. Our analysis demonstrates that NBI may be an issue in some instances. In addition, we suggest three NBI suppression schemes for combating NBI in UWB TH systems. Single-link performance of these schemes in conjunction with a Rake-type receiver structure is estimated for both the ideal all-Rake receiver and the simpler partial-Rake receiver in an indoor environment. Two UWB pulse shapes that meet the Federal Communications Commission rules for UWB communications are considered in the investigation.
引用
收藏
页码：1431 / 1436
页数：6
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