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Wideband circularly polarized triangular monopole antenna for high-speed internet access
Journal of Electromagnetic Waves and Applications ( IF 1.3 ) Pub Date : 2021-05-31 , DOI: 10.1080/09205071.2021.1934568
M. Manohar 1 , A. K. Chaudhary 1
Affiliation  

In this report, a miniaturized low profile circularly polarized (CP) monopole antenna with broad 3 dB axial ratio (AR) bandwidth is investigated. The proposed antenna comprises an equilateral triangular monopole radiator, an inverted L-shaped element (ILSE) protruded from the finite ground plane to perturb the current distribution on the finite ground plane and an inverted L-shaped strip (ILSS). The CP radiation characteristics can be achieved by protruding an ILSE from the finite ground plane and connecting ILSS with the triangular patch. The proposed CP antenna has a 10 dB impedance bandwidth along with the 3 dB AR bandwidth of 127.3% in the frequency band of 2−9 GHz. The antenna occupies the overall footprint of 20×25×0.8mm3 and is ideally propitious for broadband wireless communication systems which permit users to access high-speed internet. Furthermore, the proposed antenna has stable bidirectional radiation properties with a measured peak gain of 6.3 dBi.



中文翻译:

用于高速互联网接入的宽带圆极化三角单极天线

在本报告中,研究了具有宽 3 dB 轴比 (AR) 带宽的小型化低剖面圆极化 (CP) 单极天线。所提出的天线包括一个等边三角形单极辐射器、一个从有限地平面突出以扰乱有限地平面上的电流分布的倒 L 形元件 (ILSE) 和一个倒 L 形条 (ILSS)。CP 辐射特性可以通过从有限地平面突出 ILSE 并将 ILSS 与三角形贴片连接来实现。建议的 CP 天线具有-10 dB 阻抗带宽以及 2−9 GHz 频段中 127.3% 的 3 dB AR 带宽。天线占据了整个占地面积20×25×0.8毫米3并且非常有利于允许用户访问高速互联网的宽带无线通信系统。此外,所提出的天线具有稳定的双向辐射特性,实测峰值增益为 6.3 dBi。

更新日期:2021-05-31
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