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MIMO系统中的最优中继选择方案 被引量：2

Best-relay Selection Scheme in MIMO System
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摘要 研究多输入多输出中继系统中基于放大转发协议的最优中继选择方案,推导出中断概率和平均信道容量的闭式表达式,并对不同中继节点数时的中断概率和平均信道容量进行仿真。结果表明,该方案可以有效降低系统中断概率,且随着中继节点数的增多,系统平均信道容量优于直接传输方案。 This paper researches the best-relay selection scheme based on Amplify-and-Forward（AF） protocol in Multiple Input Multiple Output（MIMO） relay system, derives the closed-form expressions for the outage probability and average channel capacity, simulates the outage probability and the average channel capacity with different relays. Result shows that the scheme can reduce the outage probability effectively, and the average channel capacity of best-relay selection scheme outperforms the direct transmission scheme as the number of relays increases.
作者 李冬 史浩山 韩璐 程伟
机构地区 西北工业大学电子信息学院
出处 《计算机工程》 CAS CSCD 北大核心 2011年第3期75-76,79,共3页 Computer Engineering
基金 教育部博士点基金资助项目(20050699037)
关键词 放大转发 多输入多输出中继 最优中继选择 平均信道容量 Amplify-and-Forward（AF） Multiple Input Multiple Output（MIMO） relay best-relay selection average channel capacity
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献6

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二级参考文献5

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共引文献5

同被引文献16

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计算机工程
2011年 第3期

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