A High Gain and Low Cross-Polarization Compact Slotted Patch Antenna for 5G Wireless Communication Applications

2021 7th International Conference on Space Science and Communication (IconSpace) Pub Date : 2021-11-23 DOI:10.1109/iconspace53224.2021.9768679

Sura Khalil Ibrahim, S. Al‐Bawri, Mandeep S. J. Singh, Husam Hamid Ibrahim, Mohammad Tausiful Islam

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Abstract

Using a slotted feed line and proximity coupled feeding method, a lightweight slotted rectangular microstrip patch antenna with high gain and minimal cross-polarization properties for 5G wireless applications is proposed. The proposed model operates in sub-6GHz band with frequency span of 3.5GHz, whereas the exhibits bandwidth is 206 MHz. A compact slotted patch size with 32×25.7 mm2 is etching on the top layer of low permittivity PCB board whereas full ground is applied on the back side of the second layer. Besides, a series of rectangular slots are applied in the middle layer to increase the impedance bandwidth, gain, efficiency, and decrease reflection coefficient. The overall dimensions are 43.36×35×1.575 mm3. Moreover, the overall performance is improved by using above mentioned slotted strip, such as the radiation efficiency with 83% as well as the gain increased up to 6.58 dBi. The reflection coefficient (S11) of this antenna configuration is -28.774 dB, respectively, with a -70.6 dBi of low cross-polarization.

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面向5G无线通信应用的高增益低交叉极化紧凑型开槽贴片天线

采用开槽馈线和接近耦合馈电方法，提出了一种适用于5G无线应用的高增益、最小交叉极化特性的轻型开槽矩形微带贴片天线。该模型工作在低于6ghz的频段，频率跨度为3.5GHz，而显示带宽为206mhz。在低介电常数PCB板的顶层蚀刻一个尺寸为32×25.7 mm2的紧凑的开槽贴片，而在第二层的背面应用全接地。此外，在中间层增加了一系列矩形槽，增加了阻抗带宽、增益、效率，降低了反射系数。外形尺寸为43.36×35×1.575 mm3。此外，采用上述开槽带还提高了整体性能，如辐射效率提高了83%，增益提高到6.58 dBi。该天线构型的反射系数(S11)分别为-28.774 dB，低交叉极化为-70.6 dBi。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 7th International Conference on Space Science and Communication (IconSpace)

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