Bandwidth Enhancement of Slot Antenna Using Fractal Shaped Isosceles for UWB Applications

作者

  • Djelloul Aissaoui 1) Faculté des sciences Technologiques, Université Ziane-Achour de Djelfa, 17000, Algeria2 )Laboratoire De Télécommunications, Université De Tlemcen, BP 230, Pole Chetouane, Tlemcen 13000, Algeria
  • Abdelhalim Chaabane Laboratoire des Télécommunications, Département d’Electronique et Télécommunications, Faculté des Sciences et de la Technologie, Université 8 Mai 1945 Guelma, BP 401, Guelma 24000, Algeria
  • Noureddine Boukli-Hacene Laboratoire De Télécommunications, Université De Tlemcen, BP 230, Pole Chetouane, Tlemcen 13000, Algeria
  • Tayeb A. Denidni Institut National de la Recherche Scientifique, Centre EMT, 800 Rue De La Gauchetiére West, Suite 6900, Montreal, Quebec, H5A-1K6, Canada

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https://doi.org/10.13052/2022.ACES.J.370907

关键词:

Coplanar waveguide (CPW), Fractal antenna, Isosceles trapezoidal corrugations, Slot antenna, Ultra-wideband (UWB) antenna

摘要

In this paper, a coplanar waveguide (CPW) fed slot antenna using fractal-shaped isosceles trapezoidal corrugations is designed and presented for Ultra-Wideband (UWB) applications. The proposed antenna is formed by a regular hexagonal patch fed through a CPW feed line and radiates amidst a notched wide hexagonal slot. The edge of the wide slot is shaped by a fractal structure that is formed by five trapezoidal notches. The antenna is printed on RO4350B substrate having a compact size of 0.305λ0 × 0.313λ0 × 0.012λ0 at 2.35 GHz. . Good agreement is registered between the experimental results of the fabricated prototype and the calculated ones. By using an Agilent 8722ES vector network analyzer, the fabricated prototype confirms that the antenna has an excellent matching impedance over the bandwidth 2.35-10.65 GHz (127%) which covers the entire UWB band. Furthermore, good radiation performances are measured in an anechoic chamber. Consistent radiation patterns with a reasonable peak gain are measured over the entire working bandwidth. Therefore, the designed structure may be worthily considered for different wireless communications systems.

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Djelloul Aissaoui received his Magister degree in signals and systems and his Ph.D. degree in telecommunications science from the University of Tlemcen, Algeria, in 2007 and 2019, respectively. He is currently working as an associate professor in the Department of Electrical Engineering, Faculty of Science and Technology, University of Djelfa, Algeria. His current research areas of interest include fractal antennas, ultra-wideband antennas, and metamaterial antennas.

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Abdelhalim Chaabane received his Ph.D. and completed his habilitation in Electronics in 2017 and 2020, respectively. He is currently working as an associate professor and a member of the Telecommunications Laboratory at the University 8 Mai 1945 Guelma. His current research areas of interest include fractal antennas, millimeter-wave high-gain, and wide-band antennas, UWB applications and radar, and biomedical engineering.

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Noureddine Boukli-Hacene was born in 1959 in Tlemcen, Algeria. He received his Doctorate Degree (prepared at the “Centre National d’Etudes Spatiales” in Toulouse, France), in Electrical Engineering from the University of Limoges, France, in 1985. Then he joined the University of Tlemcen. Currerntly, he is a Professor in Electrical Engineering at the same university. His research interests include, among others, microstrip and miniaturized antennas, fractal antennas, ultra-wideband antennas, metamaterial antennas, and microwave circuits.

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Tayeb A. Denidni received M.Sc. and Ph.D. degrees in Electrical Engineering from Laval University, Quebec City, QC, Canada, in 1990 and 1994, respectively. From 1994 to 2000, he was a Professor with the Engineering Department, Université du Quebec in Rimouski (UQAR), Rimouski, QC, Canada, where he founded the Telecommunications laboratory. Since August 2000, he has been with the Institut National de la Recherche Scientifique (INRS), Université du Quebec, Montreal, QC, Canada. His current research areas of interest include reconfigurable antennas using EBG and FSS structures, dielectric resonator antennas, metamaterial antennas, adaptive arrays, switched multi-beam antenna arrays, ultra-wideband antennas, microwaves, and development for wireless communications systems.

参考

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已出版

2022-09-30

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[1]
D. . Aissaoui, A. . Chaabane, N. . Boukli-Hacene, 和 T. A. . Denidni, 《Bandwidth Enhancement of Slot Antenna Using Fractal Shaped Isosceles for UWB Applications》, ACES Journal, 卷 37, 期 09, 页 977–985, 9月 2022.

期

2022: Vol 37 Iss 9

栏目

General Submission

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