Title :
A high performance dual frequency microstrip antenna for Global Positioning System
Author :
Boccia, L. ; Amendola, G. ; Di Massa, G.
Author_Institution :
Dipt. di Elettronica, Informatica e Sisternistica, Calabria Univ., Italy
Abstract :
The Global Positioning System (GPS) has been used in a variety of applications for which new and more restrictive requirements in the design of the receiving antenna have been introduced. In particular, for high-precision GPS applications, a receiving antenna with superior rejection to multipath signals is required. Furthermore, in order to satisfy the demanded precision and reliability, a high performance GPS antenna must be capable of operation at the two GPS frequencies (1.57542 GHz and 1.2276 GHz). One effective design (see Boccia, L. et al., Microwave and Optical Technology Letters, 2001) demonstrates that consistent multipath mitigation can be obtained with a single frequency shorted annular patch. A stacked shorted elliptical patch, operating at the two GPS bands, is presented. The antenna combines the shorted ring radiation properties, which have proved to comply adequately with multipath mitigation requirements, with dual frequency operations, resulting in a compact high performance dual frequency GPS antenna.
Keywords :
Global Positioning System; UHF antennas; antenna radiation patterns; microstrip antennas; mobile antennas; multifrequency antennas; multipath channels; receiving antennas; 1.2276 GHz; 1.57542 GHz; GPS; Global Positioning System; dual frequency antenna; microstrip antenna; multipath signals; radiation patterns; receiving antenna; shorted annular patch antenna; stacked shorted elliptical patch antenna; Antenna radiation patterns; Frequency; Geometry; Global Positioning System; Microstrip antennas; Polarization; Receiving antennas; Reflection; Reflector antennas; Space vehicles;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2001. IEEE
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7070-8
DOI :
10.1109/APS.2001.959401