A Low Profile 28GHz mmWave Dome-Shaped 2-Port MIMO Antenna Characterized on Neltec NY9233 Low Permittivity Substrate

2022 5th International Conference on Contemporary Computing and Informatics (IC3I) Pub Date : 2022-12-14 DOI:10.1109/IC3I56241.2022.10073333

Vaishali Kikan, Ashwani Kumar

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Abstract

This research sets an objective for mmWave28 GHz MIMO antenna fabricated on Neltec NY9233 Microwave-substrate. The antenna is designed in two configurations, firstly single-element with dimension $14.00mm \times 6.50mm$ and then transformed to two-port configuration. The radiating patch which is dome shaped is printed on top-plane of the substrate and to obtain narrow bandwidth, the complete ground is printed on opposite plane of the substrate. This achieves narrow-bandwidth of 27.06GHz-28.85GHz with highest matching of impedance at 28.0GHz(47+j2.50)$\Omega$ and is applicable for information and communication technologies and easily integrated within smart-phone motherboards. The electromagnetic energy radiated in air medium achieves maximum gain of 5.33dBi with maximum radiation efficiency of 92% centered at 28.0GHz and also includes stable radiation patterns. The diversity-performance corresponds to$ECC_{28GHz}\lt 0.040, DG_{38GHz}\gt 9.99998, TARC_{38GHz}\lt -32.72dB$ and $CCL_{38GHz}\lt 0.35b/s/Hz$.

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基于Neltec NY9233低介电常数衬底的低轮廓28GHz毫米波圆顶型2端口MIMO天线

本研究的目标是在Neltec NY9233微波基板上制作mmwave28ghz MIMO天线。天线设计为两种结构，首先是单单元尺寸$14.00mm × 6.50mm，然后转换为双端口结构。在基板的顶面上印刷圆顶状的辐射贴片，为了获得窄带宽，在基板的相对平面上印刷完整的地面。这实现了27.06GHz-28.85GHz的窄带带宽，最高匹配阻抗为28.0GHz(47+j2.50)$\Omega$，适用于信息和通信技术，易于集成到智能手机主板中。在空气介质中辐射的电磁能量最大增益为5.33dBi，以28.0GHz为中心的最大辐射效率为92%，并且具有稳定的辐射方向图。分集性能对应于$ECC_{28GHz}\lt 0.040， $ DG_{38GHz}\ lt 9.99998， $CCL_{38GHz}\lt -32.72dB$和$CCL_{38GHz}\lt 0.35b/s/Hz$。

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2022 5th International Conference on Contemporary Computing and Informatics (IC3I)

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