Miniaturised dielectrically-loaded quadrifilar antenna for Global Positioning System (GPS)

被引：34
|
作者：
Leisten, O
Vardaxoglou, JC
McEvoy, P
Seager, R
Wingfield, A
机构：
[1] Sarantel Ltd, Unit 2, Wellingborough NN8 6AQ, Northants, England
[2] Loughborough Univ Technol, Dept Elect & Elect Engn, Ctr Mobile Commun Res, Loughborough LE11 3TU, Leics, England
来源：
ELECTRONICS LETTERS | 2001年 / 37卷 / 22期
关键词：
Directional patterns (antenna) - Electromagnetic wave polarization - Global positioning system - Satellite communication systems;
D O I：
10.1049/el:20010906
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 new approach to designing a handset antenna for satellite applications is reported. It is based on precise control of the phasing between two bifilar helices, giving accurate resonant frequency position and radiation pattern volute. Results show an antenna with a gain of-2 dBi, 19 dB discrimination between the right and left hand circular polarisations and an axial ratio less than 1dB. The front-to-back ratio is 24 dB. A return loss of 14.6 dB is also measured.
引用
收藏
页码：1321 / 1322
页数：2
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