A novel asymmetric antipodal Vivaldi MIMO antenna

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Aeu-International Journal of Electronics and Communications Pub Date : 2024-09-11 DOI:10.1016/j.aeue.2024.155529

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Abstract

This communication describes the development and assessment of the genuine Antipodal Vivaldi MIMO antenna operating in the ultra-wideband spectrum. FR4 dielectric material, which is widely used in antenna designs and has characteristic features, is selected and used as a dielectric. The single antenna component has two asymmetric flares obtained with different parameters, and it also has a rectangular ground plane combined with a bottom flare. In the MIMO configuration, the single-antenna is built in a rotationally orthogonal way to generate a four-port system with the dimensions of 45 × 45 × 1 mm³. The vertical and horizontal stubs are added to the ground flare to obtain a common ground structure and increase the performance of the novel antenna design. It has a bandwidth of approximately 9 GHz, which starts from 2.85 GHz and ends at 11.8 GHz. The antenna has reasonable gain values and a high isolation value between the elements in the operation range. In this context, it is foreseen that the developed structure can be utilized in distinct multiport UWB applications.

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新型非对称反向维瓦尔第多输入多输出天线

这篇通讯描述了在超宽带频谱中运行的真正的反转 Vivaldi MIMO 天线的开发和评估。选择并使用了在天线设计中广泛使用且具有特性的 FR4 介质材料作为介质。单个天线组件有两个以不同参数获得的不对称喇叭口，它还有一个矩形地平面和一个底部喇叭口。在多输入多输出（MIMO）配置中，单天线以旋转正交的方式构建，生成一个尺寸为 45 × 45 × 1 mm3 的四端口系统。垂直和水平短路器被添加到接地喇叭口，以获得一个公共接地结构，并提高新型天线设计的性能。它的带宽约为 9 GHz，从 2.85 GHz 开始，到 11.8 GHz 结束。该天线在工作范围内具有合理的增益值和较高的元件间隔离值。在这种情况下，可以预见所开发的结构可用于不同的多端口 UWB 应用。

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

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.