Performance of UWB multiple-access impulse radio systems with antenna array in dense multipath environments

被引：7
|
作者：
Tan, S. S. [1 ]
Kannan, B.
Nallanathan, A.
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore
[2] Univ New S Wales, Sch Surveying & Spatial Informat Syst, Sydney, NSW 2052, Australia
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2006年 / 54卷 / 06期
关键词：
antenna array; impulse radio (IR); multipath; multiple access; ultra-wideband (UWB);
D O I：
10.1109/TCOMM.2006.876828
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 letter, the influence of temporal and spatial diversities on the performance of ultra-wideband time-hopping pulse-position modulated multiple-access impulse radio (IR) systems is analyzed. We investigate how an antenna array can be used at the receiver to improve the bit-error rate (BER) performance and can cope with the effects of multiple-access interference of IR system in dense multipath environments. Analytical and simulation results show that the BER performance of the IR systems can be improved when the number of array elements is increased. The performance can be further improved by coherently adding more multipaths at the receiver.
引用
收藏
页码：966 / 970
页数：5
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