M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 5 Issue 1, January 2016
Design of a Compact Circularly Polarized Folded Square Patch Antenna for GPS Applications
T. Sindhu | C. Manjula 
Abstract: A compact circularly polarized (CP) folded square patch antenna is developed for global positioning system (GPS) receivers. The antenna is designed on the flame resistant (FR4) substrate of relative permittivity 4.4 and thickness 1.6mm. By connecting four different length of meander strips to the four edges of the patch of a single coaxial feed square patch antenna are folded to achieve a circularly polarized antenna. The CP antenna has an advantage of greater flexibility in orientation angle between the transmitter and receiver. The proposed folded patch antenna receives the GPS operating frequency of 1575 MHz. Due to its compact size, simple structure and less expensive, the proposed antenna can be used for GPS applications. The antenna parameters is simulated by HFSS.
Keywords: Folded square patch antenna, Circularly polarized antenna, Coaxial probe feeding, FR4 substrate, global positioning system
Edition: Volume 5 Issue 1, January 2016,
Pages: 953 - 955
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