一种新颖的超宽带无线电跳时序列设计  

A Novel Time-hopping Sequence Design for TH-PPM UWB

作　　者：郑红伟[1] 张陆勇[1] 周正[1] 

机构地区：[1]北京邮电大学,北京100876

出　　处：《无线电工程》2006年第8期14-16,共3页Radio Engineering

基　　金：教育部科学技术研究重点项目(No.03035);国家863计划项目(2003AA123240);国家自然科学基金项目(60372097)。

摘　　要：分析跳时序列在跳时脉冲位置调制(TH-PPM)超宽带无线电系统中的作用及对系统性能的影响。给出了一种新颖的跳时序列设计方法,理论分析该跳时序列具有最佳的汉明相关特性,适用于跳时超宽带多址系统。计算机仿真验证了在超宽带无线电多址系统中,采用该跳时序列比其他跳时序列更能有效地抑制多用户干扰的影响,从而获得较佳性能。This paper investigates the specific role of time-hopping sequences in the time-hopping pulse position modulation ultrawideband system and its effect on the BER performance of the system. A novel family of time-hopping sequences that provides the optimal hamming correlation properties is constructed. Computer simulation shows that the UWB system employing the constructed time-hopping sequence can reduce the multi-access interference and accordingly better performance can be gained as compared with the other ones.

关 键 词：超宽带无线电 跳时序列 多址 误码率 

分 类 号：TN914.3[电子电信—通信与信息系统]