Partial Relay Selection Based Energy Harvesting Cooperative System with TAS and Outdated Channel State Information

Proceedings of the 3rd International Conference on Vision, Image and Signal Processing Pub Date : 2019-08-26 DOI:10.1145/3387168.3387233

K. Odeyemi, P. Owolawi

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Abstract

In this paper, the performance of an energy harvesting based partial relay selection (PRS) cooperative system with transmit antenna selection (TAS) and outdated channel state information (CSI) is presented. The system dual-hops links are assumed to follow Rayleigh distribution and the relay selection is based on outdated CSI of the first link. The amplified-and-forward (AF) relay nodes are equipped with a single receive antenna and multiple transmit antenna while the destination utilized multiple receive antenna. Consequently, the cooperative system then employs the TAS technique at the relay nodes and maximum ratio combining (MRC) scheme is used at the destination. Based on this, the analytical closed-form expressions for the outage probability and throughput in delay-limited transmission mode are derived. The results demonstrated that the energy harvesting time, relay distance, channel correlation coefficient, the number of relay transmit antennas and destination received antenna have significant impact on the system performance. The accuracy of the derived expressions is validated by Monte-carol simulation.

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基于TAS和过时信道状态信息的部分中继选择能量收集协同系统

介绍了一种基于能量收集的部分中继选择(PRS)协同系统的性能，该系统具有发射天线选择(TAS)和过时信道状态信息(CSI)。假设系统双跳链路遵循瑞利分布，中继选择基于第一链路的过时CSI。放大转发(AF)中继节点配备单个接收天线和多个发射天线，而目的地使用多个接收天线。因此，协作系统在中继节点上采用TAS技术，在目的节点上采用最大比率组合(MRC)方案。在此基础上，导出了限延迟传输模式下的中断概率和吞吐量的解析封闭表达式。结果表明，能量收集时间、中继距离、信道相关系数、中继发射天线数和目标接收天线数对系统性能有显著影响。通过Monte-carol仿真验证了所导出表达式的准确性。

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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Proceedings of the 3rd International Conference on Vision, Image and Signal Processing

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