Dual-Polarized Dipole Antenna With Enhanced Beamwidth in Both E-Plane and H-Plane

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2025-02-27 DOI:10.1002/mop.70157

Zhiyuan Chen, Haodong Zhang, Fan Yang, Xin Kang, De-Yi Xiong, Dong Yan

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Abstract

In this letter, a dual-polarized dipole antenna with wide beamwidth in both E-plane and H-plane is developed. Compared to the typical printed dipole antenna, the radiator arms of the developed dipole antenna are bent into arc shapes to broaden the beamwidth. Moreover, four short arc-shaped metallic patches, which act as directors, are introduced to the outside of each radiator arm to further broaden the beamwidth. Simulated results show that the developed antenna achieves an operational bandwidth (where the value of reflection coefficients is less than −10 dB) of ~14.7% (1.76–2.04 GHz). In addition, the half-power beamwidths in both the E-plane and H-plane of the developed antenna are significantly broadened throughout the operating frequency band compared to the reference printed dipole. Specially, the beamwidths enhanced from 58° to 135° in the E-plane and from 95° to 128° in the H-plane, which validated the effectiveness of the developed beamwidth enhancement method. A prototype is fabricated and measured and shows good agreement with the simulated results.

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e面和h面波束宽度增强的双极化偶极子天线

本文研制了e面和h面均宽波束宽度的双极化偶极子天线。与典型的印刷偶极子天线相比，所开发的偶极子天线的辐射臂弯曲成弧形，以扩大波束宽度。此外，在每个散热器臂的外部引入了四个短弧形金属片作为导向器，以进一步扩大波束宽度。仿真结果表明，该天线的工作带宽（反射系数小于−10 dB）为~14.7% （1.76 ~ 2.04 GHz）。此外，与参考印刷偶极子相比，所开发的天线的e面和h面半功率波束宽度在整个工作频带内都显着拓宽。其中e面波束宽度从58°增强到135°，h面波束宽度从95°增强到128°，验证了所提波束宽度增强方法的有效性。制作了样机并进行了测量，结果与仿真结果吻合较好。

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

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication