Outage performance analysis of underlay cognitive DF relaying network with SWIPT in Nakagami-m fading environment

2017 IEEE/CIC International Conference on Communications in China (ICCC) Pub Date : 2017-10-01 DOI:10.1109/ICCChina.2017.8330370

Yiyun Cheng, Jing Yang, Jie Ding, K. Peppas, P. Mathiopoulos

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引用次数: 1

Abstract

In this paper, the outage performance of underlay cognitive decode-and-forward (DF) relaying networks with simultaneous wireless information and power transfer (SWIPT) in Nakagami-m fading channel is studied. We consider the case where the secondary transmitter (S) has fixed power supply, but no energy is provided to secondary relay node (R) which harvests energy from the part of its received signal from S. It further uses the harvested energy to forward the resulting information to the secondary receiver (D). Besides, we consider that the transmit power at S and R are both constrained by the maximum interference power at the primary user and the maximum transmit power. The exact expression for the outage probability at D is obtained, and we study the effect of energy conversion efficiency, the maximum tolerable interference power constraint, the data rate and the maximum transmit power on the OP performance. Finally, Monte-Carlo simulation is provided to verify the correctness of our analysis results.

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中川衰落环境下SWIPT底层认知DF中继网络的中断性能分析

本文研究了中川米衰落信道下具有同步无线信息和功率传输(SWIPT)的底层认知解码转发(DF)中继网络的中断性能。我们考虑二次发射机(S)有固定的电源，但没有能量提供给二次中继节点(R)，二次中继节点从S接收到的部分信号中获取能量，并利用收集到的能量将产生的信息转发给二次接收机(D)。此外，我们认为S和R处的发射功率都受到主用户处最大干扰功率和最大发射功率的约束。得到了D点中断概率的精确表达式，并研究了能量转换效率、最大可容忍干扰功率约束、数据速率和最大发射功率对OP性能的影响。最后，通过蒙特卡罗仿真验证了分析结果的正确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE/CIC International Conference on Communications in China (ICCC)

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