A Microstrip Antenna Achieves Dual Polarization Conversion by Rotating Metasurface

被引：1
作者：
Wu, Bo [1 ]
Ji, Pengdong [1 ,2 ]
Li, Yang [2 ]
Liu, Zhenwei [2 ]
Zhang, Liang [2 ]
Zhang, Zhongxiang [2 ]
Kong, Meng [2 ]
机构：
[1] Anhui Univ, Sch Elect & Informat Engn, Hefei 230039, Peoples R China
[2] Hefei Normal Univ, Anhui Prov Key Lab Simulat & Design Elect Informat, Hefei 230601, Peoples R China
来源：
IEEE ACCESS | 2024年 / 12卷
关键词：
Polarization; Antennas; Broadband antennas; Directive antennas; Reflector antennas; Morphology; Antenna radiation patterns; Metasurfaces; Microstrip antennas; Dual-polarization; metasurface; microstrip antenna; polarization reconfiguration; RECONFIGURABLE ANTENNA; DESIGN;
D O I：
10.1109/ACCESS.2024.3452974
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
To expand the channel capacity of a traditional single-polarization reconfigurable antenna, a design method for a dual-polarization reconfigurable microstrip antenna loaded with a passive metasurface was proposed. By utilizing the equivalent circuit method and characteristic modeling analysis, this method can provide guidance for designing an integrated antenna with adjustable dual-polarization. An antenna with an operating frequency of 3.5 GHz is designed, which is composed of four layers, from top to bottom: metasurface layer, radiation patch layer, feed layer, and reflector layer. By rotating the metasurface layer to adjust its relative position with other fixed layers, the designed antenna can achieve a mutual transformation between orthogonal dual-linear polarization (Horizontal polarization/Vertical polarization) and orthogonal dual-circular polarization (Left-handed circular polarization/Right-handed circular polarization), while ensuring antenna performance. The simulation and measurement results of the designed antenna demonstrate that it possesses competitive gain and polarization isolation performance, with a 3 dB axial ratio bandwidth reaching 17.4% in the dual-circular polarization state.
引用
收藏
页码：121387 / 121394
页数：8
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