Design and Optimization of Π-Shaped Slotted Dual-Band SIW Antenna for 5G Applications

Authors

Keywords:

Antenna design, Dual-band, Optimization, SIW antenna, 5G, Π-shaped

Abstract

This paper presents the design and optimization of a dual-band, linearly polarized Substrate-Integrated Waveguide (SIW) antenna for 5G base stations, addressing challenges such as increased path loss and interference at millimeter-wave (mm-wave) frequencies. The innovation lies in a Π-shaped slotted SIW structure, enabling wideband operation across the 28 GHz and 38 GHz bands. Two longitudinal slots and one transversal slot, etched on a Rogers 5880 substrate, are strategically optimized to achieve dual-band performance. The antenna achieves a bandwidth of 1.786 GHz (27.491 - 29.277 GHz) for the 28 GHz band and 683 MHz (37.496 - 38.179 GHz) for the 38 GHz band. Simulations conducted using Computer Simulation Technology (CST) Microwave Studio software indicate gains of 7.9 dB and 8.05 dB, beamwidths of 64.1° and 61.7°, and radiation efficiencies of 94.83% and 92.61% at 28 GHz and 38 GHz, respectively. To validate the design, an Artificial Neural Network (ANN) model was employed, achieving high predictive accuracy with R² values of 0.98 for resonance frequency and 0.972 for gain. Compared to prior works, the proposed antenna offers enhanced gain, efficiency, and bandwidth, making it a promising solution for mm-wave 5G applications.

Author Biographies

Md Mahabub Alam, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia

Faculty of Electrical and Electronics Engineering Technology, Pekan Campus, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia.

Nurhafizah Abu Talip Yusof, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia

Senior Lecturer, Faculty of Electrical and Electronics Engineering Technology, Pekan Campus, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia.

Yasmin Abdul Wahab, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia

Senior Lecturer, Faculty of Electrical and Electronics Engineering Technology, Pekan Campus, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia.

Mohamad Shaiful Abdul Karim, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia

Senior Lecturer, Faculty of Electrical and Electronics Engineering Technology, Pekan Campus, Universiti Malaysia Pahang Al-Sultan Abdullah, 26600 Pekan, Pahang, Malaysia.

Md. Suaibur Rahman, Islamic University of Technology, Gazipur, Bangladesh.

Department of electrical and electronics engineering, Islamic University of Technology, Gazipur, Bangladesh.

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Published

14-03-2025

How to Cite

Alam, M. M., Abu Talip Yusof, N., Yasmin Abdul Wahab, Mohamad Shaiful Abdul Karim, & Md. Suaibur Rahman. (2025). Design and Optimization of Π-Shaped Slotted Dual-Band SIW Antenna for 5G Applications. Applications of Modelling and Simulation, 9, 92–106. Retrieved from https://www.ojs.arqiipubl.com/index.php/AMS_Journal/article/view/819

Issue

Vol. 9 (2025)

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Copyright (c) 2025 Md Mahabub Alam, Nurhafizah Abu Talip Yusof, Yasmin Abdul Wahab, Mohamad Shaiful Abdul Karim, Md. Suaibur Rahman

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