Millimeter Wave Broadband Circularly Polarized Antenna and Array with Stacked Structure

被引：0
|
作者：
Li, Jia Wang [1 ]
Hu, Yun [2 ]
Xiang, Lei [1 ]
Ma, Zhi Hui
Hong, Wei [1 ,2 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[2] Purple Mt Labs, Nanjing 211111, Peoples R China
来源：
2021 IEEE MTT-S INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2021) | 2021年
关键词：
circularly polarized; millimeter wave; broad-band antenna; 5G;
D O I：
10.1109/IWS52775.2021.9499712
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 broadband circularly polarized (CP) antenna for millimeter wave (mmWave) communications is proposed. The antenna is fed by a microstrip line and the energy is coupled through a slot in the middle layer to excite the driven patch and radiation patch on the top layer. The slot is rotated with an angle to generate the CP waves. Based on the CP antenna element, a 4 x 4 array with full-corporate feeding network is designed, fabricated and measured. The measured results show that the -10 dB impedance bandwidth is covered from 22 to 30 GHz, the relative impedance bandwidth exceeds 30.7%, and the 3 dB axial ratio (AR) bandwidth of 22.2% is from 22 to 27.5 GHz. The CP array antenna is a good candidate for mmWave fifth generation (5G) mobile communications.
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页数：3
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