Compact Dual-frequency and Dual-polarized Monopole Antenna

被引：0
|
作者：
Luo, Kang [1 ]
Chen, Bin [1 ]
Wang, YiGang [1 ]
Xu, BoAo [1 ]
Zhou, XiaoLi [1 ]
机构：
[1] PLA Univ Sci & Technol, Natl Key Lab Electromagnet Environm Effects & Ele, Beijing, Peoples R China
来源：
PROCEEDINGS OF THE 2015 JOINT INTERNATIONAL MECHANICAL, ELECTRONIC AND INFORMATION TECHNOLOGY CONFERENCE (JIMET 2015) | 2015年 / 10卷
关键词：
Microstrip antenna; dual band; circularly polarized; linearly polarized;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a compact dual band monopole antenna with circularly polarized (CP) property around 2.4 GHz and linearly polarized (LP) property around 1.57 GHz is presented. The antenna consists of a tree-shaped monopole antenna and a modified grounded plane. To realize CP characteristic, two orthogonal monopole arms (arms A and B) with different lengths are used to generate a phase difference of 90 degrees. Another Y-shaped monopole (arms C and D) connected to the microstrip feed line is loaded to excite the LP mode. Compared with the previous Y-shaped monopole structure, the associated design has a significant improvement (about three times) in the axial ratio (AR) bandwidth and an excellent omnidirectional characteristic in the H-plane at around 1.57 GHz.
引用
收藏
页码：897 / 902
页数：6
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