A Novel Circularly Polarized Antenna with Enhanced Axial -Ratio Bandwidth for Millimeter-wave Application

被引：0
|
作者：
Dai, Lei [1 ]
Zhao, Yongzhi [2 ]
Hu, Bing [1 ]
Zhao, Yu [2 ]
机构：
[1] Beijing Inst Technol, Sch Infonnat & Elect, Beijing, Peoples R China
[2] China Elect Technol Grp Corp, Res Inst 13, Shijiazhuang, Hebei, Peoples R China
来源：
2021 IEEE MTT-S INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2021) | 2021年
关键词：
circular polarization (CP); antenna array; substrate integrated coaxial line (SICL); axial ratio; WIDE-BAND;
D O I：
10.1109/IWS52775.2021.9499378
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) antenna is proposed for millimeter-wave applications. The basic unit of the array is a novel CP ME-dipole. A differential feeding network composed of SICL is utilized for symmetric radiation pattern of the antenna. A new transition between SICL and rectangular waveguide is also designed for the feeding network. The simulated impedance bandwidth (vertical bar S-11 vertical bar <= 15 dB) and 3-dB axial ratio (AR) bandwidth of the antenna array are 16.5% and 15%, respectively. Besides, the simulated gain of the antenna array is around 12.5 dBi over the operating band.
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页数：3
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