| 一种基于人工电磁超材料的宽带MIMO天线去耦方法 |
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| 引用本文： | 万发雨,李鹤鸣,于兵,葛俊祥.一种基于人工电磁超材料的宽带MIMO天线去耦方法[J].电子器件,2018,41(5). |
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| 作者姓名： | 万发雨 李鹤鸣 于兵 葛俊祥 |
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| 作者单位： | 南京信息工程大学 |
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| 摘 要： | 本文提出了一种新的基于人工电磁超材料的宽带MIMO(Multiple-Input Multiple-Output)天线的去耦方法，通过在两个天线单元之间周期性放置开口三角环形谐振器（open triangular ring resonators，OTRRs）来降低耦合度。多个不同谐振频率的OTRRs有效地增强了去耦带宽，与未加载去耦结构的MIMO天线相比，在5.2GHz频段，百分比带宽为5.74%，隔离度提高了9dB以上。
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| 关 键 词： | 宽带去耦方法 MIMO天线 开口三角谐振环 |
A Novel Metamaterial Based Wide Band Decoupling Method for MIMO Antenna |
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| Abstract: | In this paper, a novel metamaterial based decoupling method for MIMO(Multiple-Input Multiple-Output) antenna isproposed. The reduction of mutual coupling between two antenna elements is realized by usingperiodically arranged open triangular ring resonators (OTRRs). The decoupling bandwidth of interest is enhanced by multiple OTRRs with different resonator frequencies. Compared with the original MIMO antenna without decoupling, the isolation is improved more than 9dB @5.2GHz with fraction bandwidth 5.74%. |
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| Keywords: | Wide Band Decoupling Method MIMO Antenna open triangular ring resonators |
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