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Broadband Dual-Polarized Base Station Antenna for Fifth-Generation (5G) Applications

School of Electronic Science and Engineering, University of Electronic Science and Technology of China, No.4, Section 2, North Jianshe Road, Chengdu 610054, China
Authors to whom correspondence should be addressed.
Sensors 2018, 18(8), 2701;
Received: 26 July 2018 / Revised: 9 August 2018 / Accepted: 14 August 2018 / Published: 17 August 2018
(This article belongs to the Special Issue Antenna Technologies for Microwave Sensors)
PDF [3209 KB, uploaded 22 August 2018]


A broadband dual-polarized base station antenna with special designed feeding structures is investigated in this paper. The proposed antenna contains two pairs of crossed dipoles, two specially designed feeding connectors, two pieces of dielectric pads, a supporter (also a balun), and a reflector. To verify the designed antenna, a prototype is fabricated and measured. The antenna attains a bandwidth of around 46.5% operating over 3.14–5.04 GHz under reflection coefficient lower than −15 dB, and the port-to-port isolation is higher than 32.5 dB. It also achieves very stable radiation patterns with half power beam widths of 71.8° ± 2.5° in both the horizontal and vertical planes and gains of around 8 dBi over its operating band. Besides, the mechanism of the obtained good performances is clearly explained from the angle of current. All of the features ensure that the proposed antenna is suitable for the fifth-generation (5G) mobile communications. View Full-Text
Keywords: 5G antenna; broadband; base station antenna; dual-polarized; high port isolation 5G antenna; broadband; base station antenna; dual-polarized; high port isolation

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Tang, H.; Zong, X.; Nie, Z. Broadband Dual-Polarized Base Station Antenna for Fifth-Generation (5G) Applications. Sensors 2018, 18, 2701.

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