Low-Profile Dual Hollow Octagonal Ring Shaped Optically Transparent Tri-band Antenna for WLAN and Sub-6 GHz 5G Applications

J. Adv. Eng. Comput. Pub Date : 2021-09-30 DOI:10.55579/jaec.202153.336

Pankti Shah, Yesha Patel, A. Desai, J. Kulkarni, T. Upadhyaya, M. Palandoken

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Abstract

A transparent dual octagonal split ring-shaped resonator connected by a horizontal strip is proposed for tri-band applications. Stub-loaded microstrip line fed structural design of radiator consists of two slotted octagonal-shaped rings connected via a strip on the top with the partial ground at the back. The low profile (40×25 mm2) radiator achieves impedance bandwidth of (46.08%) 1.62-2.59,(7.78%) 3.95-4.27, and (12.60%) 5.13-5.82, respectively. A bi-directional (dipole shaped) radiation pattern with maximum gain and minimum efficiency of 2.5 dBi and 52%, respectively is achieved. Transparency above 80%, low profile structure, and tri-band operation make the antenna a good contender for WLAN and Sub-6 GHz 5G applications. Good correlation is observed for the modeled and experimental parameters. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.

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用于WLAN和Sub-6 GHz 5G应用的低轮廓双空心八角形环形光透明三波段天线

提出了一种由水平条连接的透明双八角形分裂环形谐振器，用于三波段应用。桩载微带线馈电散热器结构设计由两个开槽的八角形环组成，圆环顶部通过带连接，后部部分接地。低轮廓(40×25 mm2)散热器的阻抗带宽分别为(46.08%)1.62-2.59、(7.78%)3.95-4.27和(12.60%)5.13-5.82。实现了最大增益为2.5 dBi、最小效率为52%的双向(偶极子形)辐射图。80%以上的透明度、低调的结构和三波段操作使该天线成为WLAN和Sub-6 GHz 5G应用的良好竞争者。模型参数与实验参数具有良好的相关性。这是一篇在知识共享署名许可(http://creativecommons.org/licenses/by/4.0/)条款下发布的开放获取文章，该许可允许在任何媒介上不受限制地使用、分发和复制，只要原始作品被适当引用。

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J. Adv. Eng. Comput.

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