Novel Koch fractal circularly polarized micro strip antenna for global positioning system application
Journal Title: Leonardo Electronic Journal of Practices and Technologies - Year 2015, Vol 14, Issue 27
Abstract
A Novel compact Koch fractal microstrip antenna is designed for Global Positioning System (GPS) Application in this paper. The Proposed Model Consisting of Koch fractal iterations on a square patch surface which exhibiting circular polarization. The proposed structure of the antenna seems to be like triangular asymmetric slots on the edges of the radiating element with co-axial feeding for excitation. The current model is resonating at single band with return loss less than -10dB and 3dB axial ratio bandwidth makes the antenna applicable to Global Positioning System with considerable bandwidth. The proposed fractal antenna model is fabricated on FR4 substrate with dielectric constant 4.4 and thickness 1.6mm. The analytical study of the current design is simulated using HFSS tool and the experimental validation is performed on ZNB20 vector network analyzer (VNA).
Authors and Affiliations
SRINIVAS Kavalipati , MADHAV Boddapati , TEJA Dintakurthi , SUPREETH Maddela , CHARITHA A.
Keywords
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