Performance analysis of prerake DS UWB multiple access system under imperfect channel estimation

被引：7
作者：
Cao, Wei [1 ]
Nallanathan, A.
Chat, Chin Choy
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore
[2] Inst Infocomm Res, Singapore, Singapore
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2007年 / 6卷 / 11期
关键词：
prerake; DS UWB; imperfect channel estimation; multiple access; signal model; BER;
D O I：
10.1109/TWC.2007.060301
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：
In this paper, the performance of Prerake DS UWB multiple access system under imperfect channel estimation is studied. The signal model of the system is derived in matrix form, which clearly shows the components of inter-chip interference, inter-symbol interference and multiple access interference. The BER formula is derived based on this signal model and validated by simulations. We highlight that the BER performance does not monotonically decrease with the growth of data rate under imperfect channel estimation. The effect of imperfect channel estimation in different cases is also discussed.
引用
收藏
页码：3892 / 3896
页数：5
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