| 下一代移动通信系统中的MIMO开环和闭环发射技术 |
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| 引用本文： | 马永衎.下一代移动通信系统中的MIMO开环和闭环发射技术[J].盐城工学院学报(自然科学版),2010,23(1):56-60. |
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| 作者姓名： | 马永衎 |
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| 作者单位： | 河海大学,计算机及信息学院,江苏,南京,210098 |
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| 摘 要： | 介绍在下一代移动通信系统中广泛采用的MIMO系统中的开闭和闭环发射技术,对于开环发射分集、开环空间复用、闭环发射分集、闭环空间复用等不同发射方案进行了详细描述;介绍了包括空时分组编码、预编码技术、波束成形技术等相关技术;并通过仿真结果以及分析比较表明需要根据不同传输条件要求合理选择开闭环发射方案。
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| 关 键 词： | 开环 闭环 发射分集 空间复用 |
MIMO Open-loop/Closed-loop Transmission Techniques in Next Generation Mobile Systems |
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| MA Yong-kan.MIMO Open-loop/Closed-loop Transmission Techniques in Next Generation Mobile Systems[J].Journal of Yancheng Institute of Technology(Natural Science Edition),2010,23(1):56-60. |
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| Authors: | MA Yong-kan |
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| Institution: | MA Yong-kan (College of Computer , Information Engineering,Hohai University,Jiangsu Nanjing 210098,China) |
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| Abstract: | Through presenting the open-loop and closed-loop MIMO transmission techniques which are widely used in next generation mobile communication systems,this paper describes in detail the different schemes including open-loop transmit diversity,open-loop spatial multiplexing,closed-loop transmit diversity and closed-loop spatial multiplexing and also different techniques such as STBC,Precoding and Beamforming.The simulation results show that we should choose appropriate transmission scheme according to different... |
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| Keywords: | Open-loop Closed-loop Transmit Diversity Spatial Multiplexing |
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