Gps antenna design with slotted ground plane

被引：6
|
作者：
Sim, Chow-Yen-Desmond [1 ]
Han, Tuan-Yung [1 ]
机构：
[1] Chien Kuo Technol Univ, Dept Comp & Commun Engn, Changhua 500, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 03期
关键词：
microstrip antenna; circular polarization; GPS; slotted ground plane;
D O I：
10.1002/mop.23215
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 single layer, single-feed circularly polarized (CP) microstrip antenna designed with 2 pairs of slot embedded on its ground plane for global positioning system (GPS) is proposed. The experimental results shown that by simply tuning the length of the slotted pair, two orthogonal near-degenerate resonant modes for CP radiation can be excited. By comparing the proposed antenna to a reference antenna of similar sizes with two pairs of slit embedded on the radiating square patch; the proposed antenna demonstrated enhancement in gain, bandwidth, and radiation efficiency. Furthermore, in comparison to other CP antennas with slotted ground plane design, it demonstrated an excellent FIB ratio and wide 3 dB beamwidth. (C) 2008 Wiley Periodicals, Inc.
引用
收藏
页码：818 / 821
页数：4
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