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Broadband omnidirectional patch antenna with horizontal gain enhanced by near-zero-index metamaterial cover
IET Microwaves, Antennas & Propagation ( IF 1.7 ) Pub Date : 2020-05-21 , DOI: 10.1049/iet-map.2019.0806
Yao Guo 1 , Jing Zhao 2 , Quanwen Hou 1 , Xiaopeng Zhao 1
Affiliation  

Enhancing the horizontal gain of the omnidirectional patch antenna is always a problem with great difficulty. Inspired by near-zero-index metamaterial (NZIM) cover that can improve the vertical gain of a directional patch antenna, the authors designed two kinds of NZIMs that are placed above the broadband omnidirectional antenna to enhance the horizontal gain. Simulated and measured results indicate that both covers can increase the values of horizontal gain >50% (1 dBi) at various frequencies in all directions, which provides a new approach to improve the horizontal gain of the broadband omnidirectional patch antenna.

中文翻译:

接近零折射率超材料覆盖增强水平增益的宽带全向贴片天线

增强全向贴片天线的水平增益始终是非常困难的问题。受到可改善定向贴片天线垂直增益的近零折射率超材料(NZIM)覆盖物的启发,作者设计了两种NZIM,将其放置在宽带全向天线上方以提高水平增益。仿真和测量结果表明,两个覆盖层都可以在各个方向上的各个频率上将水平增益值增加> 50%(1 dBi),这为提高宽带全向贴片天线的水平增益提供了一种新方法。
更新日期:2020-05-21
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