BER analysis of dual-hop amplify-and-forward MIMO relaying with best antenna selection in Rayleigh fading channels

被引：27

作者：

Kim, Jung-Bin ^{[1
]}

Kim, Dongwoo ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect Engn, Ansan 425791, South Korea

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2008年 / E91B卷 / 08期

关键词：

bit error rate (BER); dual-hop relaying; amplify-and-forward (AF); multi-input multi-output (MIMO); best antenna selection; Rayleigh fading;

D O I：

10.1093/ietcom/e91-b.8.2772

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：

Combining relaying and multi-input multi-output (MIMO) transmission is a generic way to overcome the channel-fading impairments. Best antenna selection is a simple but efficient MIMO method that achieves the full diversity and also serves as a lower bound reference of MIMO performance. For a dual-hop MIMO system with an ideal amplify-and-forward (AF) relaying gain and best antenna selection, we provide a probability density function (PDF) of received signal-to-noise ratio (SNR) and an analytic BER equation when using M-ary PSK in Rayleigh fading channels. The analytic result is shown to exactly match with simulated one. Furthermore, the effect of link unbalance between the first hop and the second hop, due to differences in the number of antennas deployed in both hops as well as in the average power of channel coefficients, on the BER performance is numerically investigated and the results show that the links with better balance give better performance.

引用

页码：2772 / 2775

页数：4

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