Abstract

In this paper, a simple self similar multi fractal cantor antenna is designed for IRNSS and GAGAN applications in India. A new navigational system which is developed and controlled by Indian government is called Indian Regional Navigational satellite system (IRNSS). IRNSS simply replaces the role of Global Positioning System in India by which, it provides integrity, availability, continuity and selectivity requirements. A new augmentation system for India, erect over the GPS system is expected to provide continuous navigation support over the Asia-Pacific regions is called GPS Aided Geo Augmented Navigation system (GAGAN) which is under the total control of Airport Authority of India (AAI). This paper describes a fractal cantor antenna on FR-4 substrate with the dielectric constant of 4.8 and the substrate height of about 1.6mm. These specifications should satisfied at the frequencies of L5 (1175 MHz), L1 (1575.42MHz) and S (2492.08MHz). The simulations are carried out through ADS software.

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