A novel center-fed dual-band circularly polarized antenna for GNSS applications

Author

Xiao Deng Duan ; Rong Lin Li

Author_Institution

Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou, China

fYear

2014

fDate

6-11 July 2014

Firstpage

1015

Lastpage

1016

Abstract

A novel center-fed Global Navigation Satellite System (GNSS) antenna is proposed in this paper. The antenna is composed of two layers of microstrip patches, a folded ground plane and three choke rings. Simulated and measured results show that two frequency bands for return loss >10 dB cover GPS L2 (1.193~1.247 GHz) and GPS L1 (1.545~1.625 GHz) with good axial ratio (AR) performance. The radiation patterns with AR<;3 dB cover the whole half upper space and the forward to backward ratio (FBR) is higher than 30 dB in the operating bands. The antenna is suitable for GNSS applications.

Keywords

Global Positioning System; antenna feeds; antenna radiation patterns; electromagnetic wave polarisation; microstrip antennas; multifrequency antennas; AR performance; GPS L1; GPS L2; axial ratio performance; center-fed GNSS antenna; center-fed dual-band circularly-polarized antenna; choke rings; folded ground plane; forward-to-backward ratio; frequency 1.193 GHz to 1.247 GHz; frequency 1.545 GHz to 1.625 GHz; global navigation satellite system; microstrip patches; radiation patterns; Antenna measurements; Antenna radiation patterns; Frequency measurement; Global Positioning System; Inductors; Microstrip antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE

Conference_Location

Memphis, TN

ISSN

1522-3965

Print_ISBN

978-1-4799-3538-3

Type

conf

DOI

10.1109/APS.2014.6904835

Filename

6904835