| 一种基于无人机MIMO信道的容量分析方法 |
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| 引用本文： | 李璞,高喜俊,陈自力,胡永江. 一种基于无人机MIMO信道的容量分析方法[J]. 无线电工程, 2013, 43(2): 42-45 |
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| 作者姓名： | 李璞 高喜俊 陈自力 胡永江 |
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| 作者单位： | 1. 武警石家庄士官学校,河北石家庄,050061
2. 军械工程学院,河北石家庄,050003 |
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| 摘 要： | 针对无人机通信环境特点以及多天线系统(Multi-Input Multi-Output,MIMO),建立了具有直射、反射以及散射分量的无人机MIMO三维GBSBCM信道模型,给出了无人机空时频信道相关函数的简要形式;采用信道矩阵分解、信道系数归一化的方法,推导了无人机的MIMO信道相关矩阵的计算方法;根据信道相关矩阵中参数定量分析法,仿真分析了在发射端信道未知条件下的多天线间隔对无人机MIMO信道容量的影响。通过容量的影响分析,对无人机MIMO天线间隔的合理配置具有一定的理论参考价值和实际应用价值。
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| 关 键 词： | 无人机信道 GBSBCM MIMO信道相关矩阵 信道容量 |
Method of Capacity Analysis Based on Unmanned Aerial Vehicle MIMO Channel |
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| LI Pu , GAO Xi-jun , CHEN Zi-li , HU Yong-jiang. Method of Capacity Analysis Based on Unmanned Aerial Vehicle MIMO Channel[J]. Radio Engineering of China, 2013, 43(2): 42-45 |
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| Authors: | LI Pu GAO Xi-jun CHEN Zi-li HU Yong-jiang |
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| Affiliation: | 1.Shijiazhuang Non-commissioned Officer School of CAPF,Shijiazhuang Hebei 050061,China; 2.Ordnance Engineering College,Shijiazhuang Hebei 050003,China) |
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| Abstract: | According to the environment of Unmanned Aerial Vehicle(UAV) in wideband Multiple-Input Multiple-Output(MIMO) system,the 3D-GBSBCM(Geometrically Based Single Bounce Cylinder Model) channel model is applied in UAV MIMO communication system which involves direct,reflection and diffuses components.The concise and precise space-time-frequency correlation functions of the UAV channel model are presented.The methods of channel matrix factorization and channel coefficient normalization are applied to deduce the correlation matrix of UAV-MIMO channel.We also use the assumed parameters of correlation matrix to simulate and analyze the influence of antenna distance on UAV-MIMO channel capacity when the parameters of channel are unknown.The simulation results have good reference and application value in the configuration and collocation of antennas in UAV-MIMO system. |
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| Keywords: | UAV channel GBSBCM MIMO channel correlation matrix channel capacity |
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