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Analysis and Design Hilbert Curve Fractal Antenna Feed with Co-planar Waveguide for Multi-Band Wireless Communications
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International Journal of Engineering (IJE)
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Volume:  2    Issue:  3
Pages:  1-50
Publication Date:   June 2008
ISSN (Online): 1985-2312
Pages 
1 - 11
Author(s)  
 
Published Date   
16-09-2008 
Publisher 
CSC Journals, Kuala Lumpur, Malaysia
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Keywords   Abstract   References   Cited by   Related Articles   Collaborative Colleague
 
KEYWORDS:   Fractal antenna, Multi-band, Hilbert curve, Hilbert curve, Coplanar waveguid feed 
 
 
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There are many techniques to improve the characteristic of antennas. In this work we use ideas of the fractal. The purpose of this project is to design and analyze Hilbert curve fractal antennas to get the empirical and electrical model. We use the Zealand program for simulating antennas. The antennas receive and transmit in many frequency resonances. We design a small Hilbert curve fractal antenna. We analyze this antenna by using the concept of the CPW transmission line and the mathematical definition of fractal to yield the models for Hilbert curve fractal antenna. From these models we can predict the multi resonance frequency. In the experiment we found that the least percent of difference for electromagnetics formular model with the experiment (0.4%) is lower than the least of the difference for empirical model (4.43%) because the electromagnetics model used the transmission line model while the empirical model used the numerical method. These models will be helpful for design and making Hilbert curve fractal antenna.  
 
 
 
1 B.B. Madelbrot, The Fractal Geometry of Nature, New York: W.H. Freeman, 1983
2 C. Puente, J. Romeu, R. Bartoleme, and R. Pous, “Fractal multiband antenna based on Sierpinski gasket,” Electron. Lett., vol. 32, pp. 1-2, 1996.
3 C. Puente-Baliarda, J. Romeu, R. Pous, J. Ramis, and A. Hijazo, “Small but long Koch fractal monopole,” Electron. Lett., vol. 34, pp. 9-10, 1998.
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5 C.P. Baliarda, J. Romeu, and A. Cardama, “The Koch monopole: A small fractal antenna,” IEEE Trans. Ant. Propagat., vol. 48 pp. 1773-1781, 2000
6 J.P. Glanvittorio and Y. Rahmaat-Samii, “Fractal element antennas: A compilations of configurations with novel characteristics,” IEEE AP-S Inter. Symp. 2000, pp.1688-1691, 2000.
7 V K.J. Vinoy, K.A. Jose, V.K. Varadan, and V.V. Varadan, “Hilbert curve fractal antenna: a small resonant antenna for VHF/UHF applications,” Microwave & Optical Technology Letters, vol. 29, pp. 215-219, 2001.
8 H.-O. Peitgen, J.M. Henriques, L.F. Penedo (Eds.),”Fractals in the Fundamental and Applied Sciences”, Amsterdam: North Holland, 1991
9 Niruth Prombutr, Jarinthip Pakeesirikul, Theerayut Theatmongkol, Samuttachai Suangool, “Dual-band Coplanar Waveguide Antenna Design by using U-Slot with diagonal edge,” The 21st International Technical Conference on Circuits/Systems, Computers and Communications, vol III, pp 117-120, Chaingmai, 2006.
10 T. Endo, Y. Sunahara, S. Satoh, and T. Katagi, “Resonant frequency and radiation efficiency of meander line antennas,” Electronics & Commun. in Japan, Pt. 2, vol.83, pp. 52-58, 2000.
11 C.A. Balanis, Antenna Theory: Analysis and Design, New York: John Wiley (2nd Ed.), 1997.
12 B.C. Wadell, Transmission Line Design Handbook, Dedham Artech House, 1991.
 
 
 
1 K.M. A. Jeyanthi and A.P.Kabilan, “Modeling and Simulation of Microstrip Patch Array for Smart Antennas”, International Journal of Engineering (IJE), 3(6), pp. 662 – 670, January 2010.
2 A. Aggarwal and M. V. Kartikeyan, “Pythagoras Tree: A Fractal Patch Antenna for Multi-Frequency and Ultra-Wide Bandwidth Operations”, Progress in Electromagnetics Research C, 16, pp. 25-35, 2010.
3 S. Suganthi, S. Raghavan and D. Kumar, “A Novel Planar Square Fractal Antenna for Wireless Devices”, in Proceedings of Microwaves, Radar and Remote Sensing Symposium (MRRS), 2011, Kiev, 25-27 Aug. 2011, pp. 82 - 85
 
 
 
1 Faculty of Engineering, Mahidol University
 
2 DOC-TXT
 
 
 
Niruth Prombutr : Colleagues
Prayoot Akkaraaektharin : Colleagues  
 
 
 
  Untitled Document
 
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