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Performance analysis of energy harvesting AF relay systems over Nakagami-m fading channels with co-channel interferences

机译：具有中频干扰的Nakagami-m衰落信道上能量收集AF中继系统的性能分析

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摘要

In this paper, we present performance analysis for an energy harvesting amplify-and-forward relay system with multiple co-channel interferences (CCIs) at the relay and destination, over Nakagami-mfading Channels. Specifically, exact and asymptotic closed-form expressions are derived for outage probability of the considered relay system. In addition, we also obtain an efficient numerical expression for the ergodic throughput by exploiting Gauss–Chebychev quadrature formula. Finally, the optimal time ratio for maximizing the system’s ergodic throughput is studied numerically. The theoretical derivations are validated through Monte Carlo simulations. Through the asymptotic analysis, we show that the system diversity order is determined by the smaller channel fading severity parameters of the dual-hop desired transmission links, regardless of the fading channel parameters of CCIs.
机译：在本文中，我们介绍了在中上衰落信道上在中继站和目标站具有多个同信道干扰（CCI）的能量收集放大转发中继系统的性能分析。具体来说，对于所考虑的中继系统的中断概率，可以得出精确的渐近闭式表达式。此外，我们还通过利用高斯-切比雪夫（Gauss-Chebychev）正交公式获得了遍历吞吐量的有效数值表达式。最后，通过数值研究了使系统遍历吞吐量最大化的最佳时间比率。理论推导通过蒙特卡洛模拟进行了验证。通过渐近分析，我们发现系统分集阶数由双跳所需传输链路的较小信道衰落严重性参数确定，而与CCI的衰落信道参数无关。

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