固定中继双跳传输的端到端性能

A. Gharanjik, K. Mohamed-Pour, S. Andargoli, M. Hoseinzade
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引用次数: 2

摘要

提出了一种瑞利衰落信道下的双跳传输,该中继采用放大转发(AF)协议和选择组合(SC)技术。导出了目的地接收到的总信噪比的中断概率的封闭表达式。此外,还从平均误码率(ABER)的角度进行了性能分析,并推导了其上界和下界的表达式。最后,对DF和AF系统进行了比较。我们用仿真来验证分析结果。数值计算结果表明,该中继系统优于传统的单天线中继系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
End-to-end performance of dual hop transmission with fixed relay
A dual-hop transmission in Rayleigh fading channels is presented where the relay uses Amplify and Forward (AF) protocol and Selection Combining (SC) technique. A closed-form expression is derived for outage probability of the overall received SNR at the destination. Also, the performance analysis is presented in terms of the Average Bit Error Rate (ABER) and expressions are derived for its upper and lower bounds. Finally, comparison between DF and AF systems are presented. We use simulation to verify the analytical results. Numerical results show that the proposed relaying system outperform the conventional relaying which use a single antenna in receiver and transmitter.
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