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一种AF-MIMO中继系统中的混合协作方案 被引量：5

Hybrid cooperation scheme for the AF-MIMO relaying system
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摘要 为了提升协作通信系统中放大转发方案的系统性能,提出了一种新的基于选择中继的混合协作方案.中继节点根据正确解码与否被分为两个集合P和Q,系统分别从两个集合中挑选在目的节点处具有最高信噪比的中继节点进行放大转发.推导出了新方案信道容量的闭式表达式.仿真结果表明,新方案的误码率性能和信道容量均优于传统的基于选择中继的放大转发方案. A hybrid relay selection scheme based on amplify-and-forward（AF） is proposed in the general cooperative communication network.In the proposed scheme,all the relays are divided into two groups,referred to as group P and group Q depending on whether they can perform decoding correctly or not.Both group P and group Q will select the relay which has the maximum signal-to-noise ratio at the destination.Simulation results show that the proposed relay selection scheme significantly outperforms the conventional AF selection scheme in terms of both bit error rate（BER） and channel capacity,and that these performance gains considerably grow as the transmission power of group P increases and antennas equipped on the nodes increases respectively.
作者 李冬 史浩山 程伟
机构地区 西北工业大学电子信息学院
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2012年第2期35-39,共5页 Journal of Xidian University
基金 教育部博士点基金资助项目(20050699037) 国家自然科学基金资助项目(60472074)
关键词 协作通信 放大转发 选择中继 误码率 信道容量 cooperative communication amplify-and-forward select relay bit error rate channel capacity
分类号 TN919.3 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

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二级参考文献13

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共引文献3

同被引文献39

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引证文献5

二级引证文献6

西安电子科技大学学报
2012年 第2期

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