Metamaterial-based reconfigurable antenna

被引：0
|
作者：
Abdelhadi L. [1 ]
Khedidja B. [1 ]
Bouzouad M. [1 ]
Herbadji D. [2 ]
机构：
[1] Telecommunication, Signals and Systems Laboratory, Amar Telidji University, Laghouat
[2] Electronics Research Laboratory, University of Skikda, Skikda
来源：
International Journal of Systems, Control and Communications | 2022年 / 13卷 / 04期
关键词：
metamaterial; microstrip patch antenna; reconfigurable;
D O I：
10.1504/ijscc.2022.126389
中图分类号：
学科分类号：
摘要：
In this paper, a metamaterial-based reconfigurable antenna is designed. The design consists of a conventional square (4.5 × 4.5 mm) patch antenna and is surrounded by a controllable meta-surface. This surface will have metallic or dielectric behaviour, which leads to an effect on resonance frequency. The dimensions of the unit cell are smaller than the tenth of free-space wavelength. The cross-shaped metamaterials unit cell was chosen due to several reasons; it has a simple design, and its response can be electronically controlled to switch between metallic and dielectric behaviour of the meta-surface. Its bi-dimensional structure allows it to print it on the same substrate of patch antenna. The antenna offers 20 resonant frequencies between 14.1 GHz and 20.8 GHz. The antenna presents a gain of 7.8 dB and a bandwidth slightly lower than 2%. The design can be useful for several wireless applications, e.g., for radar systems to overcome stealth techniques. Copyright © 2022 Inderscience Enterprises Ltd.
引用
收藏
页码：327 / 339
页数：12
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