| 关于MIMO系统的天线子集选择性能的研究 |
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| 引用本文： | 周贤伟,陈建军,王丽娜. 关于MIMO系统的天线子集选择性能的研究[J]. 无线电通信技术, 2006, 32(1): 33-35 |
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| 作者姓名： | 周贤伟 陈建军 王丽娜 |
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| 作者单位： | 北京科技大学信息工程学院通信工程系 北京100083 |
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| 摘 要： | 讨论了有关 MIMO 无线系统中的天线子集选择性能的问题。首先建立了 MIMO 信道模型,对信道模型进行了分析,接着对信道矩阵为非满秩的情况进行了研究,分别采用几种组合对发射、接收天线进行选择,得出不同组合对信道容量的影响。仿真结果表明,选择发射天线可以增加信道容量,选择接收天线虽然无助于增加信道容量,但在不会严重降低信道容量的前提下,可以降低系统的成本。
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| 关 键 词： | 多入多出 天线选择 信道容量 秩 |
| 文章编号： | 1003-3114（2006）01-33-3 |
| 收稿时间： | 2005-08-03 |
| 修稿时间： | 2005-08-03 |
Research on capability of antenna subset selection in MIMO system |
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| ZHOU Xian-wei,CHEN Jian-jun,WANG Li-na. Research on capability of antenna subset selection in MIMO system[J]. Radio Communications Technology, 2006, 32(1): 33-35 |
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| Authors: | ZHOU Xian-wei CHEN Jian-jun WANG Li-na |
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| Affiliation: | Department of Communication Engineering , School of Information Engineering, University of Science and Technology Beijing , Beijing 100083, China |
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| Abstract: | Antenna subset selection in MIMO wireless systems discussed are discussed.First,we establish the channel model and analyse it.Second,we analyse the instances that channel matrix are not full-rank and adopt several schemes to choose transmit antennas and receive antennas.Last,we educe the effects of different antenna selection on channel capacity.Simulation results indicate that the transmit antenna selection can increase channel capacity,the selection of the receiver and transmitter antennas simultaneously can reduce complexity,but can not improve the channel capacity. |
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| Keywords: | MIMO antenna selection channel capacity rank |
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