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Design of WLAN/WiMAX band notch super-wideband microstrip fractal antennas

Published online by Cambridge University Press:  03 May 2019

S. S. Abdpour ,
N. Azadi-Tinat Open the ORCID record for N. Azadi-Tinat [Opens in a new window] ,
H. Oraizi  and
J. Ghalibafan
S. S. Abdpour
Affiliation:
Faculty of Electrical and Robotic Engineering, Shahrood University of Technology, PO box 361999516, Shahrood, Iran
N. Azadi-Tinat*
Affiliation:
Faculty of Electrical and Robotic Engineering, Shahrood University of Technology, PO box 361999516, Shahrood, Iran
H. Oraizi
Affiliation:
Department of Electrical Engineering, Iran University of Science and Technology, PO box 1684613114, Tehran, Iran
J. Ghalibafan
Affiliation:
Faculty of Electrical and Robotic Engineering, Shahrood University of Technology, PO box 361999516, Shahrood, Iran
*
Author for correspondence: N. Azadi-Tinat, E-mail: azadi@shahroodut.ac.ir
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Abstract

A super-wideband microstrip fractal antenna is designed with miniaturized dimensions of 21 mm × 23.5 mm × 1 mm and generation of dual rejection bands for WLAN/WiMAX systems has been achieved. The triangular fractal shape slots are placed inside a circular patch and the antenna is miniaturized by using a repetition frequency resonance technique. The proposed antenna frequency range 2.6–40 GHz operates for VSWR of less than 2. Two band rejections for the frequency ranges 5.1–5.8 GHz and 3.4–3.7 GHz are created by one enhanced slot at the feed line and one split-ring resonator at the back of antenna. HFSS 3D software was used for computer simulation. The proposed antenna is fabricated on the FR4 substrate with 1 mm thickness. The measurement data show good agreement with the simulation results.

Keywords

Band notchfractalmicrostrip antennasuper wideband
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 8 , October 2019 , pp. 844 - 850
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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