High Gain Beam Scanning Lens Antenna Based on Paraboloid-Phase-Distribution Metasurface With Multi Feed

被引：0
作者：
Feng, Ruyuan [1 ]
Sheng, Weixing [1 ]
Sun, Liangyu [1 ]
Yan, Binyun [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
关键词：
high gain; beam scanning; lens antenna; metasurface; paraboloid phase distribution; BAND;
D O I：
10.1109/IMWS-AMP54652.2022.10106934
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 letter, a high gain beam scanning lens antenna is proposed, which consists of a metasurface lens and feed antennas. The lens unit adopts a square groove structure, and a phase coverage of 304 degrees is obtained by expanding the number of layers. The units are arranged according to paraboloid phase distribution algorithm, with phase error considered, and a wide beam scanning range is achieved, consequently. The simulation results show that the proposed antenna can achieve a gain of 26.6 dBi at 35 GHz, and -10 dB impedance bandwidth is larger than 2 GHz. Its scanning angle reaches the maximum of +/- 29 degrees with a gain tolerance of 4.1 dB. It has important application prospects in 5G wireless communication and radar systems.
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页数：3
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