A Broadband Dual-Polarized Omnidirectional Antenna Based on Orthogonal Dipoles

被引：67
作者：
Fan, Yi [1 ]
Liu, Xiongying [1 ]
Liu, Baiyang [1 ]
Li, RongLin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷
基金：
中国国家自然科学基金;
关键词：
Broadband antenna; dual-polarized antenna; omnidirectional radiation; PLANAR ANTENNA; STATIONS;
D O I：
10.1109/LAWP.2015.2504373
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：
A broadband dual -polarized omnidirectional antenna is investigated. The proposed dually polarized antenna consists of four vertical dipoles for vertical polarization (VP) and four horizontal dipoles for horizontal polarization (HP), which are uniformly printed around a dielectric cylindrical barrel for omnidirectional radiation. Two broadband feeding networks are employed to excite the vertical dipoles and the horizontal dipoles, respectively. The dual -polarized omnidirectional antenna achieves a bandwidth of similar to 30% (1.7-2.3 GHz) with an isolation of about 25 dB. The gain variations in the horizontal plane are less than 0.5 dB for VP and 1.5 dB for HP. The cross-polarization levels of VP and HP in horizontal plane are around 20 dB. The proposed antenna has a great potential for mobile communications.
引用
收藏
页码：1257 / 1260
页数：4
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