Space-time block coding for four transmit antennas over time-selective fading channels: Orthogonal or non-orthogonal design?

被引：3
|
作者：
Zheng, FC [1 ]
Burr, AG [1 ]
机构：
[1] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England
来源：
2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS | 2003年
关键词：
D O I：
10.1109/VETECF.2003.1285070
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 paper* deals with the following issue in space time block coding (STBC) design: over a time selective channel, which scheme performs better, orthogonal STBC (O-STBC) or non-orthogonal STBC (NO-STBC)? It is shown that under time-selectiveness, once the vehicle speed has risen above certain value, NO-STBC always outperforms O-STBC - across the whole SNR range. Also, considering that all the existing NO-STBC schemes have been investigated under quasi-static channels only, a new simple receiver was derived for the NO-STBC system under time-selective channels.
引用
收藏
页码：513 / 517
页数：5
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