Linear Dual-Polarized Microstrip Patch Antenna with U-shaped Aperture

Mostapha Ouadefli, A. Tribak, Mohamed Et-tolba, J. A. García, H. Tizyi
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Abstract

In this paper, a small size, high-gain, linear dual-polarized U-shaped aperture antenna for 5G communication systems is presented. The U-shaped aperture is used to in-crease impedance matching and coupling level, while allowing dual-polarization operation at the same time. This antenna is composed of two substrates separated by air gap. The square radiating element is positioned beneath the upper substrate and is fed by two orthogonal feed lines located beneath the lower substrate. The electromagnetic waves are connected to the radiating element through two U-shaped apertures cut in the ground plane, located above the lower substrate. According to the simulation results, the antenna's gain and directivity are 6.89dB and 7.09dBi, respectively, with excellent isolation between the two ports and a high radiating efficiency of more than 90%. The suggested antenna is designed using RO4003 substrate with a thickness of 0.813 and a dielectric constant of 3.5. The antenna is modeled and simulated using Finite Integration Technique (FIT).
u型口径线性双极化微带贴片天线
本文提出了一种用于5G通信系统的小尺寸、高增益、线性双极化u型孔径天线。u型孔径增加了阻抗匹配和耦合水平,同时允许双极化工作。这种天线由两个被气隙隔开的基板组成。方形辐射元件位于上基板下方,并由位于下基板下方的两条正交馈电线馈电。所述电磁波通过位于下基板上方的在地平面上切割的两个u形孔连接到所述辐射元件。仿真结果表明,该天线的增益和指向性分别为6.89dB和7.09dBi,两个端口之间具有良好的隔离性,辐射效率高达90%以上。该天线采用RO4003衬底,厚度为0.813,介电常数为3.5。利用有限积分技术(FIT)对天线进行了建模和仿真。
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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