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Efficient and high gain SIW antenna array for AI and IoT healthcare applications

Published online by Cambridge University Press:  26 December 2025

Merna Mohamed Abdelsattar Open the ORCID record for Merna Mohamed Abdelsattar [Opens in a new window] ,
Mohamad Abou Houran ,
Yasser Ahmed Dahab ,
Adel Bedair Abdel-Rahman  and
Hany A. Atallah
Merna Mohamed Abdelsattar
Affiliation:
Electrical Engineering Department, Faculty of Engineering, Qena University, Qena, Egypt
Mohamad Abou Houran
Affiliation:
School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China
Yasser Ahmed Dahab
Affiliation:
College of Computing and Information Technology, Arab Academy for Science, Technology and Maritime Transport, South Valley Branch, Aswan, Egypt
Adel Bedair Abdel-Rahman
Affiliation:
Electrical Engineering Department, Faculty of Engineering, Qena University, Qena, Egypt Electronics and Communications Engineering, Egypt-Japan University of Science and Technology, Alexandria, Egypt
Hany A. Atallah*
Affiliation:
Electrical Engineering Department, Faculty of Engineering, Qena University, Qena, Egypt
*
Corresponding author: Hany A. Atallah; Email: h.atallah@eng.svu.edu.egs
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Abstract

This paper presents a novel compact substrate-integrated waveguide (SIW) antenna that can be utilized for several applications, such as fifth generation (5 G), internet of things (IoT), artificial intelligence, and medical applications. Six antennas are designed. In addition, there are single SIW, 2 × 1 arrays, and 4 × 1 arrays with and without slots. The proposed feeding method is implemented to create a slot antenna array with incorporating KS connector. The proposed designs target the 25–28 GHz band, covering up to 3 GHz of bandwidth depending on the configuration. The structures are designed and simulated using a numerical technique package (CST). The simulation results demonstrate that the SIW antenna array functions efficiently in terms of the gain, return loss, and radiation patterns. Furthermore, the proposed structures have a total volume of 62 mm × 55 mm × 0.508 mm. In conclusion, the experimental results demonstrate that the performance of the proposed antenna is in good agreement with the simulations. Moreover, the gain increased from 8.5 dBi for the single SIW antenna to 14.7 dBi for the four-element array at 26 GHz, indicating a 72.9% improvement.

Keywords

high gain antennaindex terms – antennainternet of things (IoT)substrate-integrated waveguide (SIW)

Information

Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 17 , Issue 8 , October 2025 , pp. 1298 - 1310
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Copyright
© The Author(s), 2025. Published by Cambridge University Press in association with The European Microwave Association.

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