A Low-Profile, Circularly Polarized, Metasurface-Based Antenna With Enhanced Bandwidth and Stable High Gain

被引：11

作者：

Shi, Ting ^{[1
]}

Chai, Ruolei ^{[2
]}

Chen, Xiaoming ^{[1
]}

Li, Mei ^{[2
]}

Zhang, Tao ^{[3
]}

Tang, Ming-Chun ^{[2
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn Natl Exemplary Sch Microelec, Chengdu 610054, Peoples R China

[2] Chongqing Univ, Sch Microelect & Commun Engn, Key Lab Dependable Serv Comp Cyber Phys Sci, Minist Educ, Chongqing 400044, Peoples R China

[3] Aviat Key Lab Sci & Technol Elect Environm Effect, Shenyang 110035, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Circular polarization (CP); low profile; metasurface-based antenna; wideband; RECONFIGURABLE ANTENNA; SINGLE-FEED; COMPACT;

D O I：

10.1109/LAWP.2022.3208267

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：

A low-profile circularly polarized (CP) metasurface-based (MS-based) antenna with enhanced axial-ratio bandwidth (ARBW) and stable high gain is developed. The developed antenna has a stacked layout with the MS containing 3 x 3 patch lattices, which are placed above a custom-designed driven element. The driven element comprises a patch with an etched slot and a parasitic ring strip with shorting pins, which can excite the MS to generate multiple resonances and three AR minimum points, thus resulting in enhancedARBWand stable high gain. Finally, an antenna prototype is designed to confirm the simulation results. The experimental (simulated) results demonstrate that the MS-based antenna is low-profile: 0.03 lambda(0), where lambda(0) corresponds to the operating central frequency at 2.63 GHz, achieving a -10 dB fractional bandwidth (FBW) of 20.48 (19.81)%, and 3 dB ARBW of 10.2 (11)% along with a stable gain of 8.1-8.8 (8.0-9.2) dBic, respectively.

引用

页码：253 / 257

页数：5

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