A novel compact and broadband printed monopole antenna for circular polarization

被引:0
作者
Fujimoto, Takafumi [1 ]
Fuchikami, Yuka [2 ]
Guan, Chai-Eu [1 ]
机构
[1] Nagasaki Univ, Grad Sch Engn, 1-14 Bunkyo, Nagasaki, Nagasaki 8528521, Japan
[2] Nagasaki Univ, Dept Engn, 1-14 Bunkyo, Nagasaki, Nagasaki 8528521, Japan
关键词
Printed monopole antenna; Circular polarization; Broadband operation; Compact antenna;
D O I
10.1587/comex.2023XBL0025
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 compact and broadband printed monopole antenna for circular polarization is proposed. In order to reduce the antenna size and achieve the circular polarization, the ground plane is combined by two elliptical shaped conductors with different size, and the antenna is designed asymmetrically to the microstrip line. The simulated and measured bandwidth of the 10dB-return loss with a 3dB-axial ratio is 57.9% (2.65GHz-4.81GHz) and 52.0% (2.45GHz-4.17GHz). The size of the antenna is 0.178 lambda(2)(c) (lambda(c) is a wavelength in free space at the center frequency).
引用
收藏
页码:339 / 344
页数:6
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