An ultra-low profile reconfigurable multi-beam antenna based on impedance modulated metasurface

被引：0
作者：
Zhang, Zekui [1 ,2 ]
Zhang, Wenmei [1 ]
机构：
[1] Shanxi Univ, Sch Phys & Elect Engn, Taiyuan, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Intelligent Antennas & Syst, Yangtze Delta Reg Inst Quzhou, Quzhou, Peoples R China
来源：
ELECTROMAGNETICS | 2023年 / 43卷 / 05期
基金：
美国国家科学基金会;
关键词：
Impedance modulated metasurface; low-profile; PIN diodes; reconfigurable multi-beam; PATCH ANTENNA; DUAL-BAND; ARRAY; DESIGN;
D O I：
10.1080/02726343.2023.2249293
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 new ultra-low profile reconfigurable multi-beam antenna is proposed. It is based on impedance modulated metasurface fed with a one-divide-four electronically controllable feed network. By properly arranging the feed network, six beams at different azimuth planes are formed by controlling four diodes. The gain is enhanced through loading a cross metal strip in the middle of metasurface. The results indicate that the realized antenna has dimensions of 126 mm x 126 mm x 4 mm (equal to 2.1 & lambda;0 x2.1 & lambda;0 x0.067 & lambda;0, & lambda;0, wavelength at 5 GHz). Its -10-dB bandwidth is larger than 30.0% (4.28 GHz - 5.79 GHz) when diodes I-V are turned on successively. And it can radiate beams pointing to (0 & DEG;, 33 & DEG;), (20 & DEG;, 44 & DEG;), (150 & DEG;, 36 & DEG;), (180 & DEG;, 35 & DEG;). Furthermore, the beams can be steered to (0 & DEG;, 43 & DEG;) and (180 & DEG;, 43 & DEG;) in case that diodes I & II or III & IV are switched on simultaneously.
引用
收藏
页码：361 / 373
页数：13
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