Fan-beam antenna design based on metasurface lenses

被引：7
作者：
Wang, He [1 ]
Dong, Xiao-Feng [2 ]
Shen, Jian [1 ]
Zhou, Shao-Liang [1 ]
Wang, Hao-Fang [3 ]
Wang, Zheng-Bin [3 ,4 ]
机构：
[1] NARI Grp Co Ltd, State Key Lab Smart Grid Protect & Control, Nanjing, Peoples R China
[2] State Grid Jiangsu Elect Power Co Ltd, Nanjing, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China
[4] State Key Lab Millimeter Waves, Nanjing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2021年 / 31卷 / 04期
关键词：
fan beam; field transformation; lens antenna; metasurface;
D O I：
10.1002/mmce.22582
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A fan-beam antenna system based on metasurface lenses is proposed for backhaul antenna applications at 10.4 GHz. The planar metasurface lens is composed of three pairs of subwavelength unit cells with high transmission and opposite phase. These phase shifters are arranged to transform the Gaussian distributed near field from a linear patch antenna array into the sin c-function distributed aperture field, which in turn brings a sector radiation pattern in the azimuth plane and a pencil beam in the elevation plane. The simulated and measured results demonstrate that the presented lens antenna offers a sharp roll-off fan beam with the azimuth beamwidth 60 degrees, elevation beamwidth 10 degrees, and the gain 18.2 dB with the flat-top ripple less than 2.0 dB.
引用
收藏
页数：8
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