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Design of a Dual-Band Orthogonally Polarized L-Probe-Fed Fractal Patch Antenna Using Modal Methods

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5 Author(s)
Eichler, J. ; Dept. of Electromagn. Field, Czech Tech. Univ. in Prague, Prague, Czech Republic ; Hazdra, P. ; Capek, M. ; Korinek, T.
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Modal methods are used to effectively design a dual-band orthogonally polarized fractal patch antenna. This letter summarizes the workflow from generating a fractal motif through modal analysis to feeding design and full-wave analysis. As the antenna's feeding and matching structure, a dual L-probe was proposed to widen its bandwidth. The full-wave simulation is in very good agreement with the measurement. The motif size is 50 × 50 mm2, and the antenna operates at 1.25 and 2.1 GHz. The relative bandwidths are 4.18% and 11.4%, respectively.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:10 )