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A Compact Slotted Micro-Strip Patch Antenna Operating at 28 GHz for 5 G-IoT Applications

Author

Listed:
  • Ali Hassan, N. Nizam-Uddin

    (Electrical Engineering DepartmentHITEC UniversityTaxila, Pakistan. Biomedical Engineering DepartmentHITEC UniversityTaxila, Pakistan)

Abstract

This paper aims to present a compact slotted microstrip patch antenna for 5 G-IoT applications operating at a 28 GHz frequency. The antenna structure is modeled on an FR4 substrate with a compact size of 12 mm × 13 mm (substrate height = 1.6 mm, Epsilon = 4.3, and loss tangent = 0.02). The antenna comprises a patch on top of a dielectric substrate and a defected ground plane (DGS) on the bottom side. Slots and curves are incorporated in the patch radiator to achieve the desired resonating frequency of 28 GHz. Simulation results demonstrate a return loss of –22 dB, a bandwidth of 4.64 GHz, a VSWR of 1.16, a gain of 3.2 dBi, and an efficiency of 60%. These attributes make the antenna appropriate for a range of 5 G-IoT applications, including smart cities, industrial IoT, and autonomous systems where high data throughput and reliable connectivity are essential. The overall results depict that the proposed design is a good candidate for deployment in 5 G-enabled IoT ecosystems.

Suggested Citation

  • Ali Hassan, N. Nizam-Uddin, 2025. "A Compact Slotted Micro-Strip Patch Antenna Operating at 28 GHz for 5 G-IoT Applications," International Journal of Innovations in Science & Technology, 50sea, vol. 7(7), pages 13-24, May.
    • Handle: RePEc:abq:ijist1:v:7:y:2025:i:7:p:13-24
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    File URL: https://journal.50sea.com/index.php/IJIST/article/view/1335/1823
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    References listed on IDEAS

    as
    1. Md Nazmul Hasan & Shahid Bashir & Son Chu, 2019. "Dual band omnidirectional millimeter wave antenna for 5G communications," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 33(12), pages 1581-1590, August.
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