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A circularly polarized fractal microstrip antenna for RFID applications

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2 Author(s)
Ghalibafan, J. ; Coll. of Electr. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran ; Kashani, F.H.

In this paper, we propose a novel dualband fractal-shaped microstrip antenna for RFID applications. In fact, this fractal antenna was designed to cover the frequency of ISM Bands (2.45GHz and 5.80GHz). On the other hand, in the present fractal antenna, an electromagnetic coupling system is used for feeding. Also, the perturbation is set at an appropriate location in the patch element to excite circular polarization radiation. The simulations results show that the proposed antenna is compact, planar, simple and low-cost. So it is suitable to use for RFID as the reader antenna.

Published in:

Radio-Frequency Integration Technology, 2009. RFIT 2009. IEEE International Symposium on

Date of Conference:

Jan. 9 2009-Dec. 11 2009