Wideband Circularly Polarized Substrate-Integrated Waveguide Aperture-Coupled Metasurface Antenna Array for Millimeter-Wave Applications

被引：0
作者：
Lian, Jiwei [1 ,2 ]
Geng, Chun [3 ]
Lu, Xue [1 ]
Ding, Dazhi [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Microelect, Sch Integrated Circuits, Nanjing 210094, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[3] Nanjing Univ Sci & Technol, Qian Xuesen Coll, Nanjing 210094, Peoples R China
来源：
CHINESE JOURNAL OF ELECTRONICS | 2024年 / 33卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Antenna measurements; Parametric study; Millimeter wave technology; Metasurfaces; Aperture antennas; Impedance; Broadband antennas; Substrates; Wideband; Antenna arrays; Circularly polarized; Millimeter-wave; Substrate-integrated waveguide; Metasurface antenna; PATCH ANTENNA;
D O I：
10.23919/cje.2023.00.029
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 wideband circularly polarized (CP) aperture-coupled metasurface antenna operating at millimeter- wave frequency spectrum in substrate-integrated waveguide (SIW) technology is proposed. The proposed metasurface antenna is composed of two substrates. The first substrate contains an end-shorted SIW section with a slot etched. The introduced metasurface is printed on the top of the second substrate. The metasurface is comprised of 3 x 3 unit cells, each of which contains two interconnected patches and two parasitic patches. The working mechanism of the proposed metasurface antenna is illustrated in details. The proposed metasurface antenna has wide impedance bandwidth and axial ratio (AR) bandwidth, which are 66.7% and 40%, respectively. Using the proposed metasurface antenna, a 4 x 4 CP metasurface antenna array with an impedance bandwidth of 24%, an AR bandwidth of 30%, and a peak gain of 18.7 dBic in simulation is developed in this paper for millimeter-wave applications.
引用
收藏
页码：1468 / 1477
页数：10
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