Bandwidth Enhancement on Microstrip Antenna with Dual Feed Line and Truncated for 5G Applications

Sonfia Putra Marnel, Dian Widi Astuti, Mudrik Alaydrus, Huda A Majid

Abstract


The microstrip antenna is low-profile, meaning it has a narrow bandwidth. Additionally, the microstrip antenna is compact, making it highly suitable for implementation in small devices. Its low-profile nature is due to its thin thickness and flexibility, allowing it to be applied on curved surfaces. This study explores the combination of dual-feed and truncated methods to broaden the antenna's bandwidth. Truncation on the patch helps expand the bandwidth by altering the current distribution on the patch, which can affect the antenna's resonance. The antenna design is carried out using HFSS software. In this study, the author uses an RT/duroid 5880 substrate with a thickness of 1.575 mm and a dielectric constant of 2.2. The simulation and measurement results show the antenna's resonance and bandwidth alignment within the frequency range of 3.44 to 3.62 GHz with a simulated bandwidth of 180 MHz, and a measured bandwidth of 210 MHz within the frequency range of 3.42 GHz to 3.62 GHz.

Keywords


Bandwidth, dual feed, truncated

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References


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DOI: https://doi.org/https://doi.org/10.17529/jre.v21i3.44345

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