Bandwidth Enhancement of Bow-tie Microstrip Patch Antenna Using Defected Ground Structure for 5G
Year: 2022
Type: article
Abstract: A microstrip antenna suffers from a narrow bandwidth because of the thickness of the substrate. This paper presents a wideband microstrip antenna by using Defected Ground Structure (DGS) on a bow-tie microstrip patch antenna. The cross-dumbbell shaped slot is used as DGS on the ground layer. The cross-dumbbell DGS slot is put on the backside of the transmission line. The antenna is designed using Computer Simulation Technology (CST) microwave studio and on the commercially printed circuit board substrate, i.e., the FR-4 substrate. The antenna is set for 5G applications, which use 3.67 GHz as the frequency center. By using DGS, the simulated reflection coefficient (S11) for VSWR ≤ 2 shows the fractional bandwidth increase from 2.6% to 10.45%. The measured reflection coefficient matches the simulated results where the measurement gives 13.37% for fractional bandwidth.
Source: Journal of Communications
Authors: Universitas Mercu Buana, Departemen of Engineering, Jakarta 11650, Indonesia, Dian Widi Astuti, Rizki Fadilah, Muslim Muslim, Dian Rusdiyanto, Syah Alam, Yuyu Wahyu
Language: English
Topic: Antenna Design and Analysis
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4313042017