多天线系统的互耦抑制(英文)
发布时间:2023-01-31 09:12
多频带多天线系统已成为移动通信系统发展的重要趋势。但是,由于空间较小,天线单元之间往往会发生较强互耦,从而损坏阵列天线的性能。因此,在多输入多输出(MIMO)天线系统中,人们一直追求在天线阵列小型化的基础上,实现较高的隔离度。本文深入研究天线单元间的去耦方法,分析互耦原因及耦合减少的优势。然后,比较分析近期提出的解耦方法。最后,提出由双层短截线组成的超表面结构,以改善沿H面和E面排列的天线的端口隔离。结果表明,所提超表面对紧密放置的天线阵列具有良好去耦效果。
【文章页数】:12 页
【文章目录】:
1 Introduction
2 Discussion of decoupling methods
2.1 Decoupling networks
2.1.1 Lumped element
2.1.2 Coupled resonator
2.1.3 Neutralization lines
2.2 Parasitic resonant unit
2.3 Defected ground structures
2.4 Pattern diversity and mode diversity
2.5 Metamaterial
2.5.1 Electromagnetic band-gap based decoupling
2.5.2 Spoof surface plasmon polariton based decoupling
2.5.3 Frequency selected surface based decoupling
2.5.4 Metasurface based decoupling
3 Discussion of decoupling methods
3.1 Antenna array coupled in the H-plane
3.2 Antenna array coupled in the E-plane
4 Conclusions
【参考文献】:
硕士论文
[1]平面滤波天线与高隔离度毫米波天线的研究[D]. 秦锴.西安电子科技大学 2021
本文编号:3733870
【文章页数】:12 页
【文章目录】:
1 Introduction
2 Discussion of decoupling methods
2.1 Decoupling networks
2.1.1 Lumped element
2.1.2 Coupled resonator
2.1.3 Neutralization lines
2.2 Parasitic resonant unit
2.3 Defected ground structures
2.4 Pattern diversity and mode diversity
2.5 Metamaterial
2.5.1 Electromagnetic band-gap based decoupling
2.5.2 Spoof surface plasmon polariton based decoupling
2.5.3 Frequency selected surface based decoupling
2.5.4 Metasurface based decoupling
3 Discussion of decoupling methods
3.1 Antenna array coupled in the H-plane
3.2 Antenna array coupled in the E-plane
4 Conclusions
【参考文献】:
硕士论文
[1]平面滤波天线与高隔离度毫米波天线的研究[D]. 秦锴.西安电子科技大学 2021
本文编号:3733870
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