Wideband Omnidirectional Circularly Polarized Antenna Based on Tilted Dipoles

被引：42
|
作者：
Fan, Yi [1 ]
Quan, Xulin [1 ]
Pan, Yan [1 ]
Cui, YueHui [1 ]
Li, RongLin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Guangdong, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Circularly polarized (CP) antenna; omnidirectional antenna; tilted dipole; wideband antenna; DIELECTRIC RESONATOR ANTENNA; PATCH ANTENNA; SYSTEMS; DESIGN; LOOP;
D O I：
10.1109/TAP.2015.2490663
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 wideband omnidirectional circularly polarized (CP) antenna is developed. The omnidirectional CP antenna includes four tilted dipoles that are wrapped around a cylinder for omnidirectional CP pattern. Each tilted dipole is coupled with a parasitic element for bandwidth enhancement. It is shown that the wideband omnidirectional CP antenna achieves an axial ratio (AR) bandwidth of 44% (1.69-2.64 GHz) for AR < 3 dB and an impedance bandwidth of 61% (1.35-2.54 GHz) for return loss > 10 dB. The antenna gain is around 1 dBi with an omnidirectionality of less than 1.5 dB.
引用
收藏
页码：5961 / 5966
页数：6
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