Dual-Wideband Dual-Polarized Magnetoelectric Dipole Antenna for Sub-6 GHz Applications

This letter presents a dual-wideband dual-polarized magnetoelectric dipole (ME) antenna, which works at the prominent frequency bands of 1.7 - 2.7 GHz and 3.3 - 5.0 GHz in Sub-6 GHz. A cross ME dipole excites dual-polarized radiation, and a cross-strip under the cross-dipole embeds a notched band fr...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2023-06, Vol.22 (6), p.1-5
Main Authors: Liu, Tian, Zhu, Wen Jian, Hu, Xiao Jian, Ye, Liang Hua, Wu, Duo-Long
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Broadband
Broadband antennas
Dipole antennas
Dual polarization (waves)
Dual-band antenna
dual-polarized antenna
Frequencies
Gain
Impedance
Impedance matching
magnetoelectric dipole
Metals
Polarized radiation
Wideband
wideband antenna
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Summary:This letter presents a dual-wideband dual-polarized magnetoelectric dipole (ME) antenna, which works at the prominent frequency bands of 1.7 - 2.7 GHz and 3.3 - 5.0 GHz in Sub-6 GHz. A cross ME dipole excites dual-polarized radiation, and a cross-strip under the cross-dipole embeds a notched band from 2.7 - 3.3 GHz. Further, a cross-patch above the cross-dipole and a metal baffle around the ground improve the wideband impedance matching and stable the radiation pattern. As a result, a prototype of the proposed antenna is fabricated and measured. The measured results exhibit dual-wideband and dual-polarized characteristics of 1.66 GHz - 2.6 GHz (44.13%) and 3.12 GHz - 5.08 GHz (47.8%), 1.74 GHz - 2.64 GHz (41.09%) and 3.34 GHz - 5.08 GHz (42.08%), and the realized gains of 7 dBi and 9 dBi for the two ports, respectively. The proposed antenna is state-of-the-art for base-station applications in Sub-6 GHz.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2023.3243572