A Horizontally Polarized Omnidirectional Antenna Array with Side-Lobe Suppression

被引：0
|
作者：
Wang, Bo [1 ]
Wong, Hang [2 ,3 ]
Xiao, Bing [1 ]
Yeung, Kwan L. [1 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Peoples R China
[2] Univ Hong Kong, State Key Lab Millimeter Waves, Hong Kong, Peoples R China
[3] Univ Hong Kong, Shenzhen Res Inst, Dept Elect Engn, Hong Kong, Peoples R China
来源：
2019 INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY (IWAT): SMALL ANTENNAS AND NOVEL METAMATERIALS | 2019年
关键词：
Antenna array; broadband antenna; side-lobe suppression; omnidirectional antenna; uneven power divider;
D O I：
10.1109/iwat.2019.8730566
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 horizontal polarized omnidirectional antenna array with low side-lobe is presented. The proposed array consists of four wideband omnidirectional antenna elements and an uneven power divider. The antenna element consists of four pairs of arc dipole and a balun. Simultaneously, the slots placed at the edge of the arc dipole further broaden the impendence bandwidth. With PSO (particle swarm optimization) optimizing the different amplitudes of each element and element spacing, the side-lobe suppression is obtained. The simulation results show that the proposed antenna element and antenna array can achieve a bandwidth of 1.68-2.37 GHz and 1.72-2.37 GHz (S11<-10dB), respectively. With an omnidirectional radiation pattern in H-plane and a low side-lobe of -19dB in E-plane, the antenna array has peak gains ranging from 5.75 to 7.2 dBi.
引用
收藏
页码：41 / 43
页数：3
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