A Parasitic Hat for Microstrip Antenna Design Based on Defected Structures for Multiband Applications

Authors

  • Faten F. Ismail Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt
  • Mostafa A. El-Aasser Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt
  • Nasr H. Gad Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt

DOI:

https://doi.org/10.13052/2022.ACES.J.370506

Keywords:

Defected ground structures (DGS), Defected microstrip structure (DMS), Microstrip antenna, Multiband, Parasitic hat, Slot antenna

Abstract

In this article, a novel design of a quad-band parasitic hat microstrip antenna is proposed for multiband applications. The proposed antenna consists of a rectangular patch of dimensions 30 mm×11 mm cut with four L-shaped slots connected with a rectangular slot in the middle of the front side of the antenna to form a parasitic hat based upon defected microstrip structure. On the other side of the antenna, a defected ground structure is integrated as five rectangular slots embedded in the ground plane with the same width but with various lengths. The suggested antenna is designed and fabricated on a substrate material with an area of 45 × 40 mm2 with a thickness of 1.52 mm to generate four frequency bands. The proposed antenna is fed by a microstrip transmission line. The simulated radiation patterns, return losses, maximum gains, and efficiencies of the antenna are carried out by using electromagnetic simulation software based on the finite element method. The measured return loss results validate that the suggested antenna can be designed to cover the frequency ranges from (3.8464 to 4.1456) GHz for sub-7GHz 5G applications, (6.7 to 7.162) GHz for ultra-wideband applications, (9.1616 to 9.5187) GHz for maritime radio-navigation positioning systems, and (11.5421 to 16.4085) GHz for radio-navigation satellite standards. The suggested antenna is based upon defected ground structure and defected microstrip structure techniques to improve the antennaperformance.

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Author Biographies

Faten F. Ismail, Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt

Faten Fouad received her B.Sc. degree in Electronics physics from Faculty of Science Ain Shams University, Cairo, Egypt in 2006 where she is currently pursuing the M.Sc. degree. Her current research interests include microstrip antenna designing for multiband applications.

Mostafa A. El-Aasser, Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt

Mostafa A. El-Aasser received his B.Sc. (Honors) and M.Sc. in physics from Ain Shams University, Cairo, Egypt, in 1989 and 1995, respectively. He received his Ph.D. in 2002. Currently, he is a professor of physics at Ain Shams University, Cairo. His current research interests include optoelectronics, electromagnetics, concentrated solar power systems, and photovoltaics.

Nasr H. Gad, Physics Department, Faculty of Science Ain Shams University, Cairo11566, Egypt

Nasr Gad received his B.Sc. (Honors) and M.Sc. degrees in Electronics (Physics) from Faculty of Science, Ain Shams University, Cairo, Egypt, in 2005 and 2012 respectively. He received his Ph.D. degree in Electrical Engineering from the University of Ljubljana, Ljubljana, Slovenia in 2018. From 2018 till now, he is a lecturer of physics at Ain Shams University, Cairo. His current research interests include planar printed antenna design for multiband/wideband applications, microwave circuits, and solar energy.

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Published

2022-11-14

How to Cite

[1]
F. F. . Ismail, M. A. . El-Aasser, and N. H. . Gad, “A Parasitic Hat for Microstrip Antenna Design Based on Defected Structures for Multiband Applications”, ACES Journal, vol. 37, no. 05, pp. 568–575, Nov. 2022.

Issue

2022: Vol 37 Iss 5

Section

Articles

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