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首页> 外文会议>IEEE International symposium on Personal, Indoor, and Mobile Radio Communications >Performance of two-way AF MIMO relay networks with single and multiple antenna selection schemes
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Performance of two-way AF MIMO relay networks with single and multiple antenna selection schemes

机译：具有单天线和多天线选择方案的双向AF MIMO中继网络的性能

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摘要

The performance of amplify-and-forward (AF) multi-input multi-output (MIMO) two way relaying networks (TWRNs) with multiple antenna selection scheme at the sources, while having single antenna selection at the relay node is investigated to maximize the effective signal-to-noise ratio (SNR) over flat Rayleigh fading channel. Both exact and asymptotic expressions for the sum outage probability are derived and verified through Monte Carlo simulation results. The diversity order of selection scheme is proven to be minimum of the number of antennas of the source with larger antennas and the product of the number of relay antennas with the number of antennas of the source having fewer antennas. It is shown that fewer antennas at the sources can be selected to reduce the complexity without a significant loss in performance with respect to full antenna usage, i.e., with respect to beamforming. Primary factors which affect optimum relay location are also determined.
机译：研究了在源处具有多个天线选择方案，而在中继节点处具有单个天线选择的放大转发（AF）多输入多输出（MIMO）两路中继网络（TWRN）的性能，以最大程度地提高平坦瑞利衰落信道上的有效信噪比（SNR）。通过蒙特卡罗模拟结果，得出并确定了总中断概率的精确表达式和渐近表达式。事实证明，选择方案的分集顺序是具有较大天线的源的天线数量的最小值和具有较少天线的源的天线数量的中继天线数量的乘积。示出了可以选择源处更少的天线以降低复杂度，而在整个天线使用方面（即，在波束成形方面）在性能上没有显着损失。还确定了影响最佳继电器位置的主要因素。

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