A Compact Slotted Micro-Strip Patch Antenna Operating at 28 GHz for 5G-IoT Applications
Journal Title: International Journal of Innovations in Science and Technology - Year 2025, Vol 7, Issue 7
Abstract
This paper aims to present a compact slotted microstrip patch antenna for 5G-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 5G-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 5G-enabled IoT ecosystems.
Authors and Affiliations
Ali Hassan, N. Nizam-Uddin
Keywords
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