Design of GPS Circularly Polarized Microstrip Antenna

Yan-zhong YU, Xiao-dan WANG, Meng-ya LIN


Global positioning system (GPS) born in the US is used in the US defense for land, sea, air and all field. It is also widely used in navigation and positioning, military matters, geography and other fields. In the present paper, we design an antenna with a right-handed circular polarization (RHCP). Additionally, other techniques are employed to reduce its size, at the same time improve the overall performances. The property of radiating and receiving electromagnetic wave of the circularly polarized antenna is much stable than that of the linearly polarized antenna. So its scope of application is very wide in complex environment.


GPS, RHCP, Microstrip antenna


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