Ultra wide band antenna with defected ground structure for 5G apllication

Azizol Azlan, Nur Syarafana Dine (2022) Ultra wide band antenna with defected ground structure for 5G apllication. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Fifth-generation wireless (5G) is the next iteration of cellular technology, expected to boost wireless network speed and responsiveness dramatically. Besides that, Ultra-Wide Band (UWB) technology is rapidly developing area in the field of Wireless Communication. This is because there's several issue of wireless portable devices that require antennas that operate at numerous frequencies for various wireless transmission functions, and antenna operation bands and functions are becoming increasingly challenging. Furthermore, there are demands for fast data speeds, low power consumption, cheap cost, and a large network capacity from LTE 4G users, and these demands encourage this project to be realised. The goal of this project is to design a UWB antenna with Defected Ground Structure (DGS) that can operate at 3.5GHz and be used for high-speed data applications. Additionally, the goal of this project is to verify simulation results by fabrication and testing, with the value of S₁₁ having to be less than -10dB with a greater gain. As a solution a rectangular microstrip patch antenna with a half-ground defective ground structure (DGS) for ultra-wide band (UWB) applications. The antenna was then fabricated using an etching procedure and a FR-4 substrate. Finally, the Vector Network Analyzer (Agilent) is utilised to determine the S-Parameter based on the measurement findings.

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