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International Journal of Antennas and Propagation
Volume 2014, Article ID 132462, 8 pages
Research Article

Modified Microstrip Aperture Coupled Patch Antenna with Sierpinski Fractal Geometry

School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China

Received 23 October 2013; Accepted 31 December 2013; Published 19 February 2014

Academic Editor: Zhaobiao Lv

Copyright © 2014 Hao Jiang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A two-layer modified microstrip aperture coupled patch antenna with Sierpinski fractal geometry is presented in this paper. The effects of the two coupling slots and the parasitic patch are discussed. The proposed antenna can work on 956 MHz to 968 MHz, 3.654 GHz to 3.78 GHz, and 8.81 GHz to 9.28 GHz three frequency bands, and the maximum gain in each band is 4.64 dBi, 8.46 dBi, and 7.85 dBi, respectively. The simulated result reveals that the Sierpinski patch antenna we proposed in this paper performs better on radiation properties.