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2019-03-05

A Wideband Dual-Polarized Dipole Antenna for Base Station Applications

Zhaoyang Tang,

Dr. Zhaoyang Tang

Xidian University

China

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Zhipeng Zhao,

Dr. Zhipeng Zhao

Xidian University

China

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Yapeng Li,

Dr. Yapeng Li

Xidian University

China

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Ying-Zeng Yin

Professor Ying-Zeng Yin

Xidian University

China

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Progress In Electromagnetics Research Letters, Vol. 82, 33-39, 2019

doi:10.2528/PIERL19010104

Abstract

In this letter, a wideband dual-polarized dipole antenna is proposed for base station applications. By bending the arms of the dipole, the radiator size is reduced. Meanwhile, a new resonant mode occurs at high frequency. Besides, four shorting stubs are employed to improve the impedance matching. Finally, a wide operating bandwidth is realized by combining all resonant modes. A prototype of the proposed antenna is fabricated and tested. Experimental results show that the antenna has a wide impedance bandwidth of 53% (1.65-2.84 GHz) for VSWR<1.5 at two ports and a high port isolation of 26 dB. Also, a stable antenna gain around 7.9±0.5 dBi and a stable radiation pattern with 3-dB beamwidth of 67.5°±3.5° are obtained within the entire band of operation.

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Zhaoyang Tang, Zhipeng Zhao, Yapeng Li, and Ying-Zeng Yin, "A Wideband Dual-Polarized Dipole Antenna for Base Station Applications," Progress In Electromagnetics Research Letters, Vol. 82, 33-39, 2019.
doi:10.2528/PIERL19010104

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