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Two-way中继系统的中继选择算法分析

Analysis of Relay Selection Algorithm in Two-way Relay System
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摘要 为了提升双向AF中继系统总速率和降低系统中断概率,提出了一种最小中断概率的中继算法MOP,介绍了现有的两种中继选择算法,利用通信系统的性能指标(信噪比、中断概率、信道容量)展开分析。仿真结果表明,所提出最小中断概率中继选择算法可明显降低系统中断概率,在提升系统总速率的性能与最大化容量中继算法接近,有效地改善了系统性能。 In order to enhance the total rate bidirectional AF( Amplify and forward) relay system and reduce system outage probability,this paper proposes a minimum outage probability relay algorithm MOP( minimum outage probability),and describes the existing two relay selection algorithms with an analysis of the performance indices( signal to noise ratio,outage probability,and channel capacity) of the communication system. The simulation results show that the proposed minimum outage probability relay selection algorithm can significantly reduce the system outage probability with the performance of improve total rate of the system close to that of the maximum capacity relay algorithm.
出处 《电子科技》 2016年第3期58-60,共3页 Electronic Science and Technology
关键词 双向AF中继系统 中继选择算法 信噪比 最小中断概率MOP two-way AF relay system relay selection algorithm SNR minimum outage probability
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