The Behavior of CPW-Fed Sierpinski Curve Fractal Antenna

Reha, Abdelati; El Amri, Abdelkebir; Bouchouirbat, Marouane

doi:10.1590/2179-10742018v17i31244

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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

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Article • J. Microw. Optoelectron. Electromagn. Appl. 17 (3) • Sept 2018 • https://doi.org/10.1590/2179-10742018v17i31244 copy

The Behavior of CPW-Fed Sierpinski Curve Fractal Antenna

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

In this paper, the behavior of Coplanar Waveguide (CPW) fed SIERPINSKI curve fractal antenna is studied. The results show that there is a relationship between the iteration number and the resonance frequencies. With increase in the number of iteration the resonance frequency decreases with a constant ratio. The use of fractal structures to design antennas makes them more miniaturized. The simulated results obtained from CADFEKO a Method of Moments (MoM) model based Solver and measurement using Vector Network Analyzer Anritsu MS2026C are in good agreement.

Index Terms
Antenna design; Fractal Antennas; SIERPINSKI Curve

Antenna	Resonance frequency (GHz)	Bandwidth (MHz)	Maximum gain in the resonance frequency (dB)	Gains ^* * Gains are given in the −10dB Bandwidths. (Min - Max) dB
Patch	2.92	1030 (2.34-3.37GHz)	1.8	1.6 – 4.3
Iteration 1	2.1	470 (1.87-2.34GHz)	1.4	1.2-1.6
Iteration 2	1.48	220 (1.36-1.58GHz)	1.3	1.3
Iteration 3	1.07	60 (1.04-1.1GHz)	1.1	0.8-1.3

Antennas	Rate of reduction $\frac{f_{r} (i t e r a t i o n_{i + 1})}{f_{r} (i t e r a t i o n_{i})}$ for the first resonance frequency
[¹³13 [13] M. Tarbouch, A. El Amri, H. Terchoune, and O. Barrou, “A compact microstrip patch antenna based on fractal geometry on the ground plane,” 2018, pp. 1-8.]	≈ 0.87
[¹⁴14 [14] M. Tarbouch, A. El Amri, and H. Terchoune, “Design, Realization and Measurements of Compact CPW-Fed Microstrip Octagonal Patch Antenna with H Slot for WLAN and WIMAX Applications,” Int. J. Microw. Opt. Technol., vol. 12, no. 5, pp. 389-398, Sep. 2017.]	≈ 0.72
[¹⁵15 [15] D.-C. Chang, B.-H. Zeng, and J.-C. Liu, “CPW-Fed Circular Fractal Slot Antenna Design for Dual-Band Applications,” IEEE Trans. Antennas Propag., vol. 56, no. 12, pp. 3630-3636, Dec. 2008.]	Antenna1 ≈ 0.7 Antenna2≈0.8
[¹⁶16 [16] K. J. Vinoy, J. K. Abraham, and V. K. Varadan, “On the relationship between fractal dimension and the performance of multi-resonant dipole antennas using koch curves,” IEEE Trans. Antennas Propag., vol. 51, no. 9, pp. 2296-2303, Sep. 2003.]	8 configuration : from 0.76 to 0.99
[¹⁷17 [17] N. Sharma, G. P. Singh, and V. Sharma, “Miniaturization of fractal antenna using novel Giuseppe peano geometry for wireless applications,” 2016, pp. 1-4.]	≈ 0.58
Our work	≈ 0.71

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[1] abdelati.reha@isga.ma