A High-gain, Low-profile Filtering Antenna Based on a Novel Metasurface

被引：0

作者：

Zhu, Jingci ^{[1
]}

Zhang, Guanmao ^{[1
]}

Li, Zhihang ^{[1
]}

Che, Zonge ^{[1
]}

Yue, Juan ^{[1
]}

Feng, Yinhai ^{[1
]}

Zhang, Qian ^{[1
]}

Qiu, Rui ^{[1
]}

机构：

[1] Lanzhou Univ, Sch Informat Sci & Engn, Inst Optoelect & Electromagnet Informat, Lanzhou 730000, Peoples R China

来源：

APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2022年 / 37卷 / 11期

关键词：

5G communication; filtering antenna; fractal structure; low profile; metasurface; DIELECTRIC RESONATOR ANTENNA; BAND; PATCH;

D O I：

10.13052/2022.ACES.J.371106

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：

In this paper, a filtering antenna based on a metasurface is designed using slot-coupled feeding, and the metasurface unit is a fractal pattern. Replacing the rectangular patch on the metasurface with a fractal patch can introduce a radiation zero point on the upper sideband of the antenna, thereby enhancing the sideband selectivity. In addition, the current is reversed by load-ng shorting pin, and a radiation zero point is also introduced in the lower sideband. After measurement, the -10 dB impedance bandwidth of the filtering antenna is 23.6% (3.22-4.08 GHz), and the average antenna gain in the passband is 8.1 dBi. The filtering antenna does not involve an additional filter circuit, has a simple structure, and a small size, and ideally eliminates insertion loss. To verify, the real object was made and tested and found that the reflection coefficient, pattern, gain, etc. were in good agreement with the simulation results, it can be applied to the 5G communication frequency band.

引用

页码：1153 / 1161

页数：9

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