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A Wideband Dual-Polarized Antenna with Vertically-Extruded Ring for Base Station Applications
ZHANG Guanxi,SUN Baohua *
National Laboratory of Science and Technology on Antennas and Microwaves, Xidian University,Xi’an,710071
*Correspondence author
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Funding: Special research fund for the doctoral program of Higher Education （No.20120203110009）, National Natural Science Foundation of China （No.61372002）
Opened online:20 May 2016
Accepted by: none
Citation: ZHANG Guanxi,SUN Baohua.A Wideband Dual-Polarized Antenna with Vertically-Extruded Ring for Base Station Applications[OL]. [20 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4690289
 
 
This paper presents a novel wideband dual-polarized antenna for 2G/3G/4G, WLAN and WiMAX base station applications. By using the curve parasitic elements and vertically-extruded square ring, wide impedance bandwidth and stable radiation patterns are obtained. Both measured and simulated results show that the proposed antenna achieves 77.5% impedance bandwidth (VSWR<2) from 1.69-3.83 GHz, with a port isolation higher than 23 dB. Moreover, stable radiation patterns with a peak gain of 7 dBi - 9 dBi, a cross polarization under -17 dB and a front-to-back ratio better than 15 dB are obtained across the operating band.
Keywords:wideband antenna; dual-polarized antenna; base station antenna
 
 
 

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