Huygens' metalens antenna fed by Integrated Substrate Gap Waveguide antenna

被引：0
|
作者：
Lin, Sihong [1 ]
Shen, Dongya [1 ]
机构：
[1] Yunnan Univ, Yunnan Engn Lab Cloud Wireless & Heterogeneous Ne, Kunming, Peoples R China
来源：
2022 CROSS STRAIT RADIO SCIENCE & WIRELESS TECHNOLOGY CONFERENCE, CSRSWTC | 2022年
基金：
中国国家自然科学基金;
关键词：
lens antenna; Huygens' metasurface; integrated substrate gap waveguide (ISGW); high gain;
D O I：
10.1109/CSRSWTC56224.2022.10098481
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 high-gain lens antenna with Huygens' metasurface is proposed. Firstly, a Huygens' metasurface unit is designed, which can achieve a phase coverage of 325 degrees in the transmission amplitude range of -1dB at 28GHz, and only needs a layer of dielectric plate. A metalens with a diameter of 10.2 lambda(0) x 10.2 lambda(0) is designed based on the proposed element. The feed antenna adopts super surface antenna based on integrated substrate gap waveguide (ISGW) design, which has higher gain and bandwidth compared to conventional microstrip patch antenna. The simulation results show that the impedance bandwidth of the metalens antenna is 23.05GHz-30.15GHz, with a relative bandwidth of 26.7%. The peak gain of the antenna is 27.1dBi, and the 3dB gain relative bandwidth is 23.8%. The SLL of the metalens antenna is lower than -25dB from 26GHz to 30GHz. The overall performance of the antenna is excellent.
引用
收藏
页数：3
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