A wideband magnetoelectric dipole antenna for 4G/5G communication

被引:0
作者
Zhou, Mengli [1 ]
Xu, Yanhong [1 ]
Wang, Anyi [1 ]
Hou, Jianqiang [2 ]
机构
[1] Xian Univ Sci & Technol, Sch Commun & Informat Engn, Key Lab Network Convergence Commun, Xian, Peoples R China
[2] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian, Peoples R China
基金
中国国家自然科学基金;
关键词
high gain; magnetoelectric dipole; metallic loop; wideband; BROAD-BAND;
D O I
10.1002/mop.33805
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 magnetoelectric (ME) dipole antenna for 4G/5G communication is proposed. The bandwidth of the antenna is greatly enhanced by loading two pairs of metallic circular loops on the planar electric dipole. With the loops, the antenna impedance bandwidth in terms of 10 dB is improved from 48.3% (1.98-3.24 GHz) to 86.8% (1.465-3.71 GHz), that is, 79.7% bandwidth enhancement is achieved. The surface current of the proposed antenna is analyzed in detail. It shows that when the length of the loops approaches half a wavelength, the loops contribute new resonant modes, thereby increasing the impedance bandwidth. A prototype is fabricated and measured. The measured results are in good agreement with the simulated counterparts. Meanwhile, the antenna gain ranges from 7.42 to 12.8 dBi across the operational frequency region. Stable radiation patterns with low crosspolarization levels are obtained in both E- and H-plane.
引用
收藏
页码:2941 / 2946
页数:6
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