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MIMO系统发射端天线选择对性能的影响

Transmit antenna selection for MIMO system
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摘要 基于发射端天线选择对MIMO系统性能的影响进行研究.首先建立信道模型,然后对采用ZF接收机的情况下误码率性能进行分析,并讨论了天线选择标准.仿真结果表明,不进行天线选择,获得误码率为10-2所需要的信噪比至少为22.5 dB;进行天线选择,获得误码率为10-2所需要的信噪比为18 dB,证明天线选择能改善系统性能. Performance for MIMO system with transmit antenna selection is analysed. The channel model is established first, an analytical of SER （symbol error rate） for spatial multiplexing with ZF receiver and a criterion of antenna selection are discussed. Simulations demonstrate that the SNR （signal noise ratio） of the system is about 22.5 dB at SER equals 10-2 without antenna selection. When using antenna selection, the SNR of the system is about 18 dB at SER equals 10-2, so antenna selection could improve the performance of system.
作者 潘立兵 李正权 孙峰
机构地区 扬州大学信息工程学院
出处 《扬州大学学报（自然科学版）》 CAS CSCD 2007年第3期45-48,共4页 Journal of Yangzhou University：Natural Science Edition
基金 江苏省高校自然科学基金资助项目(07KJD510247)
关键词 多输入多输出系统 分集增益 发射端天线选择 空域多路复用 multiple input multiple output system diversity gains transmit antenna selection spatial multiplexing
分类号 TN911.4 [电子电信—通信与信息系统]
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参考文献10

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扬州大学学报（自然科学版）
2007年 第3期

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