| 用于MIMO基站双极化天线设计及阵元互耦分析 |
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| 引用本文： | 王永巍,姜兴,侯轶.用于MIMO基站双极化天线设计及阵元互耦分析[J].电波科学学报,2010,25(2). |
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| 作者姓名： | 王永巍 姜兴 侯轶 |
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| 作者单位： | 桂林电子科技大学信息与通信学院,广西桂林,541004;桂林电子科技大学信息与通信学院,广西桂林,541004;桂林电子科技大学信息与通信学院,广西桂林,541004 |
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| 基金项目： | 973计划前期研究专项(CB317109) |
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| 摘 要： | 利用缝隙耦合技术和双线馈电技术设计出了一种H型缝隙耦合天线。其结构简单,制作容易,成本低廉,并具有高增益、高隔离、双极化的特性,非常适用做MIMO基站端天线。对天线进行了仿真和测试,测试结果与仿真结果吻合良好,在2.11~2.17 GHz所需频段内,实测两端口VSWR均小于1.2,实测水平极化增益为9.2 dBi、垂直极化增益为9.17 dBi、端口隔离度在频段内均低于-40 dB。分析了MIMO系统中天线阵元间的互耦作用,仿真得出基站天线阵最小阵元间距为d=0.86λ,从而为MIMO系统分析相关性提供了参考数据。
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| 关 键 词： | 双极化 缝隙耦合馈电 基站天线 天线互耦 |
Design of dual-polarized antenna used for MIMO base station and analysis of array element mutual coupling |
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| WANG Yong-wei JIANG Xing HOU Yi.Design of dual-polarized antenna used for MIMO base station and analysis of array element mutual coupling[J].Chinese Journal of Radio Science,2010,25(2). |
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| Authors: | WANG Yong-wei JIANG Xing HOU Yi |
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| Affiliation: | WANG Yong-wei JIANG Xing HOU Yi(School of Information , Communication Engineering,Guilin University of Electronic Technology,Guilin Guangxi 541004,China) |
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| Abstract: | An H-type slot antenna is designed by using slot-couple technology and two-gap-couple feed technology.It is structure-simple,easy to produce and low cost.With such features as high-gain,high isolation and dual-polarized,it is fit for MIMO mobile communication base station.It is simulated and tested.The tested data coincide well with the simulation results.In frequency band from 2.11 GHz to 2.17 GHz,the horizontal polarization gain is 9.2 dBi,the vertical polarization gain is 9.17 dBi and the port isolation ... |
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| Keywords: | dual-polarization coupling slot base-station antenna antenna mutual coupling |
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