A high-gain cavity-backed slot antenna using a perfect magnetic conductor ground plane and multilayered superstrates

被引：0
|
作者：
Kialashaki, Majid [1 ]
Khaleghi, Ali [2 ]
Taraji, Mahboubeh [3 ]
机构：
[1] KN Toosi Univ Technol, Dept Elect Engn, Tehran, Iran
[2] Norwegian Univ Sci & Technol, Dept Elect Syst, NTNU, Trondheim, Norway
[3] Islamic Azad Univ, Sci & Res Branch, Dept Elect Engn, Tehran, Iran
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2021年 / 63卷 / 03期
关键词：
cavity-backed slot antenna; electromagnetic bandgap; high impedance surface; high-gain antenna; multilayered superstrates; MICROSTRIP ANTENNA; SURFACES; ARRAY; ENHANCEMENT;
D O I：
10.1002/mop.32684
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This article presents a high gain cavity-backed slot antenna using a perfect magnetic conductor (PMC) ground plane and multilayered superstrates. A textured surface of periodic pins is applied to realize a high impedance surface (HIS), which simulates a PMC ground plane. The main advantage of using this structure is to suppress the surface wave propagation, improve the input impedance matching, increase the bandwidth, control the side-lobe levels, and also provide higher gain. Moreover, the multilayered superstrates has been used to enhance the antenna gain. The simulations and measurements for the S-parameter, gain, and radiation patterns of the antenna are presented. The proposed cavity-backed slot antenna offers a maximum gain of 18 dBi and an impedance bandwidth of 16.5% at 11.5 GHz.
引用
收藏
页码：902 / 909
页数：8
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