A Wideband Dual-Polarized Dipole Antenna for Base Station Applications

被引：0
|
作者：
Tang, Zhaoyang [1 ]
Zhao, Zhipeng [1 ]
Li, Yapeng [1 ]
Yin, Yingzeng [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2019年 / 82卷
关键词：
3-dB beamwidth - Base station applications - Dual-polarized - High frequency HF - High port isolations - Operating bandwidth - Resonant mode - Wide impedance bandwidths;
D O I：
10.2528/PIERL19010104
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 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 degrees +/- 3.5 degrees are obtained within the entire band of operation.
引用
收藏
页码：33 / 39
页数：7
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