Null-filled high gain airborne antenna with metasurface for emergency communication

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Aeu-International Journal of Electronics and Communications Pub Date : 2024-06-28 DOI:10.1016/j.aeue.2024.155417

WenQiang Zhou , Linyan Guo , Xiaofei Wang , Jinfeng Yan , Chunyu Pan

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Abstract

This letter presents a null-filled high-gain airborne antenna with metasurface for emergency communication. The proposed antenna consists of a monopole with two metal feeding loops, a metal cylindrical cavity and metasurface radome (MSR). By cutting the corners of the monopole and adding two loops, the aim is to direct vertical radiation electromagnetic waves. The cavity and MSR are used to achieve vertical null-filled radiation performance with high gain. Simulated and measured results exhibit that the antenna has a −10 dB bandwidth of 0.8–1.0 GHz, covering the emergency communication band, with a high gain (5.0–6.7 dBi). Furthermore, the null-filled level of the vertical radiation E-plane of the antenna is higher than −4.6 dB, and the H-plane maintains horizontal omnidirectional 360°radiation. The proposed airborne antenna is a good contender for emergency communication and also provides ideas for the antenna to meet both vertical null-filled and horizontal-omnidirectional radiation.

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用于紧急通信的带元面的空填充高增益机载天线

这封信介绍了一种用于应急通信的带元面的空填充高增益机载天线。所提议的天线由一个带有两个金属馈电环的单极子、一个金属圆柱形空腔和元表面天线罩（MSR）组成。通过切割单极子的四角并增加两个环路，目的是引导垂直辐射电磁波。空腔和 MSR 用于实现具有高增益的垂直空填充辐射性能。模拟和测量结果表明，该天线的-10 dB 带宽为 0.8-1.0 GHz，覆盖了应急通信频段，并具有高增益（5.0-6.7 dBi）。此外，天线垂直辐射 E 平面的空填充电平高于 -4.6 dB，H 平面保持水平全向 360° 辐射。所提出的机载天线是应急通信的良好竞争者，同时也为天线同时满足垂直满虚和水平全向辐射提供了思路。

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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.