Aperture-Shared Millimeter-Wave/Sub-6 GHz Dual-Band Antenna Hybridizing Fabry-Perot Cavity and Fresnel Zone Plate

被引：46
作者：
Zhu, Jianfeng [1 ,2 ,3 ]
Yang, Yang [3 ]
Liao, Shaowei [1 ,2 ]
Xue, Quan [1 ,2 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangdong Prov Key Lab Millimeter Wave & Terahert, Guangzhou 510641, Peoples R China
[2] Pazhou Lab, Guangzhou 510330, Peoples R China
[3] Univ Technol Sydney, Sch Elect & Data Engn, Ultimo, NSW 2007, Australia
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2021年 / 69卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Aperture antennas; Lenses; Substrates; Reflector antennas; Dual band; Metasurfaces; Antennas; Dual-band; Fabry-Perot; Fresnel zone plate (FZP) lens; large frequency ratio; millimeter-wave (mm-wave); sub-6; GHz; LARGE FREQUENCY RATIO; WIDE-BAND; DESIGN; COMMUNICATION; SUPERSTRATE; NETWORKS;
D O I：
10.1109/TAP.2021.3098559
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：
This article presents an aperture-shared dual-band large frequency-ratio high gain antenna for sub-6 GHz and millimeter-wave (mm-wave) bands applications. Initially, the partially reflective surface (PRS) of the Fabry-Perot cavity (FPC) antenna operating at the sub-6 GHz band is realized by using single-layered periodic grid patches while the opaque region of the mm-wave bandwaveband Fresnel zone plate (FZP) lens antenna is implemented by using periodic double-screen dipoles. Then, the PRS and the FZP lens are hybridized together and upgraded into a kind of composite metasurface, which simultaneously functions as the PRS of the sub-6 GHz FPC antenna and the mm-wave bandwaveband FZP lens with little dual-band mutual interference. Thus, the FPC antenna and the FZP lens can share the same aperture with high aperture reuse efficiency. Because the principles are based on the FPC resonance and the collimating FZP lens, high gains are achieved at both bands without a feeding network. Meanwhile, a dual-band large frequency-ratio antenna is designed as the feed. A prototype working at 3 and 28 GHz bands is designed, fabricated, and measured to verify the idea.
引用
收藏
页码：8170 / 8181
页数：12
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