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Passive chipless RFID tag using fractals: A design based simulation

Abstract:

This paper presents the design and simulation of a passive chipless RFID Tag using fractal shapes. To design the fractal antenna the vicsek fractal was choosen on its different iterations. In order to obtain data regarding its detection, simulations were done covering the frequency range of 5GHz to 15GHz. The simulation will have two stages: In the first one, the tag will be illuminated by two horn antennas to obtain the return loss and forward transmission parameters, which shows the medium disturbance generated by the TAG induction. The second stage shows the monostatic Radar Cross Section (RCS) using a probe, located in a certain distance away from the chipless fractal TAG. Finally, the results shows that fractal antenna design after multiple iterations, improves their detection. The software used in this resarch is CST Microwave Studio.