A Novel Broadband ± 45° Dual-Polarized Cross-Dipole Antenna with Multimode Resonance

IF 0.9 4区工程技术 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS

International Journal of RF and Microwave Computer-Aided Engineering Pub Date : 2023-09-09 DOI:10.1155/2023/8847440

Yanzheng Chen, Ali Raza

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Abstract

A novel broadband ± 45° dual-polarized cross-dipole antenna is presented for application in 2G, 3G, 4G, and sub-6 GHz 5G base station. A bent structure with a coplanar transmission line is used in the antenna design, which achieves multimode resonance, broadening the impedance bandwidth tremendously. Especially, it can work at 3λ/2 and 2λ resonant modes without the impact of reverse current. The antenna covers the frequency spectra from 1.7 GHz to 3.8 GHz with an enhanced impedance bandwidth of roughly 76.4% and VSWRs < 1.65 at two ports. A gain of 8.3 ± 1.9 dBi and port-to-port isolation > 22.5 dB are attained in the operating frequency range. Additionally, the presented antenna has a very simple configuration and is easy to construct. A mechanical prototype of the antenna has been manufactured and measured. The experimental findings and the computational results are in good agreement.

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一种新型宽带±45°双极化交叉偶极子多模共振天线

提出了一种适用于2G、3G、4G和sub-6 GHz 5G基站的新型宽带±45°双极化交叉偶极子天线。天线设计采用共面传输线的弯曲结构，实现了多模谐振，极大地拓宽了阻抗带宽。特别是，它可以在3 λ / 2和2 λ谐振模式下工作，而不受反向电流的影响。该天线覆盖1.7 GHz至3.8 GHz的频谱，阻抗带宽增强约76.4%，VSWRs <两个端口1.65。增益8.3±1.9 dBi，端口对端口隔离>在工作频率范围内达到22.5 dB。此外，所提出的天线具有非常简单的结构，易于构造。已经制造并测量了天线的机械样机。实验结果与计算结果吻合较好。

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

International Journal of RF and Microwave Computer-Aided Engineering 工程技术-工程：电子与电气

CiteScore

4.00

自引率

23.50%

发文量

489

审稿时长

3 months

期刊介绍： International Journal of RF and Microwave Computer-Aided Engineering provides a common forum for the dissemination of research and development results in the areas of computer-aided design and engineering of RF, microwave, and millimeter-wave components, circuits, subsystems, and antennas. The journal is intended to be a single source of valuable information for all engineers and technicians, RF/microwave/mm-wave CAD tool vendors, researchers in industry, government and academia, professors and students, and systems engineers involved in RF/microwave/mm-wave technology. Multidisciplinary in scope, the journal publishes peer-reviewed articles and short papers on topics that include, but are not limited to. . . -Computer-Aided Modeling -Computer-Aided Analysis -Computer-Aided Optimization -Software and Manufacturing Techniques -Computer-Aided Measurements -Measurements Interfaced with CAD Systems In addition, the scope of the journal includes features such as software reviews, RF/microwave/mm-wave CAD related news, including brief reviews of CAD papers published elsewhere and a "Letters to the Editor" section.