A MINIATURE UWB SEMI-CIRCLE MONOPOLE PRINTED ANTENNA

被引：20
作者：
Lin, S. [1 ,2 ]
Cai, R. -N. [2 ]
Huang, G. -L. [2 ]
Wang, J. -X. [3 ]
机构：
[1] Harbin Inst Technol, Elect Sci & Technol Postdoctoral Res Ctr, Harbin 150080, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150080, Heilongjiang, Peoples R China
[3] Harbin Inst Technol, Dept Microelect Sci & Technol, Harbin 150080, Heilongjiang, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2011年 / 23卷
关键词：
Microwave antennas - Antenna grounds - Monopole antennas - Slot antennas - Ultra-wideband (UWB) - Bandwidth - Directional patterns (antenna) - Electric impedance;
D O I：
10.2528/PIERL11032305
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 semi-circle monopole printed antenna is proposed. Its radiation unit and the ground plane are in the same shape, and both of them are coplanar-printed. The antenna is fed by a microstrip line, which is connected to the radiation unit through a via-hole. The measured impedance bandwidth is about 3.1 GHz-15.1 GHz with VSWR < 2, and the ratio bandwidth can reach 4.9 : 1. The omnidirectional characteristic is also excellent in H-plane. Moreover, because of the introduction of the semi-circle radiation unit and the ground plane, the length of the radiation unit can be miniaturized in polarization direction, which is only 14% of wavelength of the lowest operating frequency. The antenna size is just 29 mm x 29.5 mm x 1.0 mm, which can make it well integrate into UWB communication systems.
引用
收藏
页码：157 / 163
页数：7
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