Statistical assessment of selection-based dual-hop semi-blind amplify-and-forward cooperative networks
Statistical assessment of selection-based dual-hop semi-blind amplify-and-forward cooperative networks
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DOI：
10.1631/jzus.c1010020
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发表时间：
2010-09
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影响因子：
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通讯作者：
Yi Liu;Jian-hua Zhang;W. Xu;Zemin Liu
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文献类型：
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作者：
Yi Liu;Jian-hua Zhang;W. Xu;Zemin Liu
针对源节点和目的节点部署多根天线的多中继协作网络，研究了基于选择的半盲放大转发(AF)中继的中断性能，其中发送波束形成(TB)在源端进行，最大比合并(MRC)在目的端进行。基于Kolmogorov-Smirnov检验，分析了任意Nakagami-m衰落信道下目标天线配置对中断性能的影响。结果表明，对于任何Nakagami-m参数，增加目的地天线的数量对于改善中断性能并不是必需的。受此启发，提出了一种近似的最优选择方法。仿真结果表明，该方法是一种有效的选择方法。
For multiple-relay cooperative networks with multiple antennas deployed at source and destination nodes, we investigate the outage performance of selection based semi-blind amplify-and-forward (AF) relaying, where transmit beamforming (TB) is conducted at source transmission and maximum ratio combining (MRC) at destination reception. Based on the Kolmogorov-Smirnov test, we analyze the impact of the configuration of destination antennas on the outage performance under arbitrary Nakagami-m fading channels. Results reveal that increasing the number of destination antennas is not necessary for an improvement of outage performance with any Nakagami-m parameter. Inspired by this fact, an approximation is proposed for the optimal selection. Simulation results show that the approximation is an efficient selection method.