A novel dual-polarized gain-enhanced microstrip patch antenna

IF 0.6 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Electromagnetics Pub Date : 2023-02-17 DOI:10.1080/02726343.2023.2192104

Long Jin, Zhibin He, Jiuyang Xiao, Yao Sun, Yangmiao Lin, Ruohan Zhang

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Abstract

ABSTRACT A broadside direction gain-enhanced low-cost dual-polarized microstrip patch antenna has been presented. The proposed antenna consists of a slot-loaded cross-shaped patch and shorting pins. The orthogonal polarized radiating elements works in TM05 and TM12, meanwhile slot-loaded excite TM01. The equivalent magnetic currents (EMCs) amplitude, frequency, and ﬂow direction of the TM12 are controlled by shorting pins to form the broadside gain enhancement. The superposition of them can enhance the gain in the broadside direction. The proposed antenna is coaxial feed. The substrate is divided into two layers: air and FR4. A copper column is added to the air layer to greatly improve the polarized isolation of the antenna. The size of the proposed antenna is 2.29λ 0×2.29λ 0×0.069λ 0 (λ 0 is the wavelength of free space at the central frequency). The simulated maximum realized gain is 12.59 dB, and the realized gain is better than 11.53 dB in operating band. The measured maximum realized gain is 12.05 dB, and the realized gain is better than 10.04 dB. The dual-polarized microstrip patch antenna has the advantages of low cost and high gain, which can be used in the modern wireless communication system.

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一种新型双极化增益增强微带贴片天线

摘要提出了一种宽侧方向增益增强的低成本双极化微带贴片天线。所提出的天线由一个缝隙加载的十字形贴片和短路引脚组成。正交极化辐射元件工作在TM05和TM12上，同时槽加载激励TM01。TM12的等效磁电流（EMC）幅度、频率和流向由短路引脚控制，以形成宽侧增益增强。它们的叠加可以增强宽边方向上的增益。所提出的天线是同轴馈电的。基板分为两层：空气层和FR4层。在空气层中添加了铜柱，大大提高了天线的极化隔离度。所提出的天线尺寸为2.29λ0×2.29λO×0.069λ0（λ0是中心频率处自由空间的波长）。模拟的最大实现增益为12.59 dB，实现的增益优于11.53 工作频带中的dB。测得的最大实现增益为12.05 dB，实现的增益优于1004 dB。双极化微带贴片天线具有成本低、增益高等优点，可应用于现代无线通信系统。

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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来源期刊

Electromagnetics 工程技术-工程：电子与电气

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

6 months

期刊介绍： Publishing eight times per year, Electromagnetics offers refereed papers that span the entire broad field of electromagnetics and serves as an exceptional reference source of permanent archival value. Included in this wide ranging scope of materials are developments in electromagnetic theory, high frequency techniques, antennas and randomes, arrays, numerical techniques, scattering and diffraction, materials, and printed circuits. The journal also serves as a forum for deliberations on innovations in the field. Additionally, special issues give more in-depth coverage to topics of immediate importance. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. Submissions can be made via email or postal mail.