Millimeter-Wave Wideband Circularly Polarized SIW Cavity-Backed Stacked Dipole Array Antenna

被引:0
|
作者
Xu, Hengfei [1 ]
Mao, Zheng [1 ]
Yu, Yu [1 ]
Wei, Pu [1 ]
Yang, Jie [1 ]
Yu, Zhiqiang [2 ,3 ]
机构
[1] Nanjing Inst Technol, Coll Informat & Commun Engn, Nanjing 211167, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 211189, Peoples R China
[3] Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Peoples R China
来源
关键词
Cavity-backed antenna; circularly polarized (CP); crossed dipole; millimeter wave (mm-wave); stacked dipole; MAGNETOELECTRIC DIPOLE;
D O I
10.1109/LAWP.2023.3337019
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 wideband circularly polarized (CP) substrate integrated waveguide (SIW) cavity-backed stacked dipole array antenna is proposed for millimeter-wave (mm-wave) applications. First, double-layer SIW cavities are utilized to construct the CP stacked dipole element, which consists of two crossed stacked linearly polarized electric dipoles and four metallic probes in driven, short-circuited, and suspended states. These probes can achieve orthogonal phase and energy coupling through a magnetic field without additional baluns. Next, the wideband CP working principle and the parameter analysis of the element are addressed. A full corporate feeding scheme with a four-way SIW power divider and four SIW cavities is adopted for array verification. Finally, a 4 x 4 array is designed, fabricated, and measured, which demonstrates a wide impedance bandwidth of 28.1%, a wide axial ratio bandwidth of 23%, and a peak gain of 19.35 dBic. These results demonstrate that the CP stacked dipole is a promising candidate for mm-wave wireless systems.
引用
收藏
页码:838 / 842
页数:5
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