| MIMO信道估计在对流层散射中的性能分析 |
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| 引用本文： | 周胜兰,徐松毅,全亮.MIMO信道估计在对流层散射中的性能分析[J].无线电通信技术,2011,37(3):61-64. |
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| 作者姓名： | 周胜兰 徐松毅 全亮 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所,河北石家庄,050081 |
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| 摘 要： | 将MIMO与对流层散射通信相结合。首先阐述了对流层散射信道的衰落特性,建立了MIMO对流层散射信道的信道模型,并给出了具体的仿真步骤。然后,根据散射信道的特性研究了MIMO基于训练序列的信道估计,重点分析了最小二乘(LS)和最小均方误差(MMSE)估计算法,并针对不同算法的性能进行了仿真分析比较。结果表明,在对流层散射通信中,良好的信道估计能使发送数据在接收端被正确地恢复接收,提高了系统性能。
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| 关 键 词： | MIMO 信道估计 训练序列 对流层散射通信 |
Analysis on Performance of MIMO Channel Estimation in Troposcatter Communication |
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| ZHOU Sheng-lan,XU Song-yi,QUAN Liang.Analysis on Performance of MIMO Channel Estimation in Troposcatter Communication[J].Radio Communications Technology,2011,37(3):61-64. |
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| Authors: | ZHOU Sheng-lan XU Song-yi QUAN Liang |
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| Affiliation: | ZHOU Sheng-lan,XU Song-yi,QUAN Liang(The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China) |
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| Abstract: | The fading characteristic of troposcatter channel is illustrated,a MIMO channel model of troposcatter is built and the detailed simulation procedure is given.According to the characteristics of troposcatter channel,the paper studies the channel estimation based on training sequence,especially analyses the LS and MMSE estimation algorithms,and simulates the performance of them.The results show that in troposcatter communication,accurate channel estimation can make the transmitted data be received correctly a... |
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| Keywords: | MIMO channel estimation training sequence troposcatter communication |
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