Peroformance analysis of decode-and-forward MIMO relay channels with OSTBCs

doi:10.1016/S1005-8885(10)60022-2

中国邮电高校学报(英文) ›› 2011, Vol. 18 ›› Issue (1): 16-22.doi: 10.1016/S1005-8885(10)60022-2

Peroformance analysis of decode-and-forward MIMO relay channels with OSTBCs

胡春静¹,陈书平²,王文博³,赵冬⁴

1. 北京邮电大学信息与通信工程学院
2. 北京邮电大学电信工程学院
3. 北京邮电大学
4.

收稿日期:2010-05-25 修回日期:2010-11-09 出版日期:2011-02-28 发布日期:2011-02-28
通讯作者: 胡春静 E-mail: hucj@bupt.edu.cn

Peroformance analysis of decode-and-forward MIMO relay channels with OSTBCs

Received:2010-05-25 Revised:2010-11-09 Online:2011-02-28 Published:2011-02-28
Contact: HU Chun-Jing E-mail: hucj@bupt.edu.cn

摘要/Abstract

摘要：

Performance analysis is presented for multiple-input multiple-output (MIMO) relay channels employing transmit antenna diversity with orthogonal space-time block codes (OSTBCs), where the source and the destination are equipped with Ns and Nd antennas, and communicate with each other with the help of a multiple-antenna relay operating in decode-and-forward (DF) mode. Over independent, not necessarily identical Rayleigh fading channels, exact closed-form symbol error rate (SER) expressions are derived for various digital modulation formats for both the OSTBC transmission with and without the direct link. The moment generating functions (MGFs) for overall system signal-noise ratios (SNRs) are also derived, based on which we present a unified SER analysis. The analysis shows that full spatial diversity order can be achieved for the DF MIMO relay channel by adopting OSTBC transmissions and maximal ratio combining (MRC) receptions. All the analytical results are confirmed through comparison with the results obtained using Mento Carlo simulations.

关键词:

relay system, MIMO, OSTBC, symbol error rate (SER)

Abstract:

Key words:

relay system, MIMO, OSTBC, symbol error rate (SER)

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Peroformance analysis of decode-and-forward MIMO relay channels with OSTBCs

Peroformance analysis of decode-and-forward MIMO relay channels with OSTBCs

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