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认知无线电选择中继放大转发协议性能分析 被引量:3

Performance Analysis of Cognitive Radio Networks with Relay Amplify-and-forward Selection
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摘要 研究了基于完全信道信息和部分信道信息的最佳中继选择策略认知中继网络中断概率,详细推导了这两种策略中断概率的封闭表达式,然后分析了它们的平均误码率。仿真结果表明,基于完全信道信息的中断概率和平均误码率性能要优于部分信道信息,并且两种策略的性能随中继节点数目、干扰温度增加而提高。 This paper investigates the outage performance and average error bit rate of cognitive relay network, in which the best relay is selected based on full and partial channel state information, respectively. The closed- form expressions on outage performance for both relay selection schemes are derived, and their average error bit rate performance is analyzed. Simulation results confirm the accuracy of the analytical results, and highlight per- formance gains provided by increasing the number of relay and interference temperature.
出处 《电讯技术》 北大核心 2013年第3期279-283,共5页 Telecommunication Engineering
基金 国家重点基础研究发展规划(973计划)项目(2012CB316106) 国家自然科学基金资助项目(60972031) 广西高等学校资助项目(200103YB149) 广西高等学校优秀人才资助计划 桂林航天工业学院校级科研项目(X10Z003)~~
关键词 认知无线电 中继网络 中断概率 平均误码率 cognitive radio relay network outage probability average error bit rate
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参考文献13

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同被引文献36

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