3.5 GHZ Vivaldi Antennas: A Comprehensive Parametric Analysis For Unleashing 5G Communication Technology

Mohd Azlishah Othman*, Nur Aishah Shahirah Ruslan, Mohamad Harris Misran, Maizatul Alice Meor Said, Redzuan Abdul Manap, Abd Shukur Jaafar, Nurmala Irdawaty Hassan, Shadia Suhaimi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, we discuss the design and testing of a Vivaldi antenna operating at 3.5 GHz, which is well-suited for mobile mid-band 5G connection. CST Microwave Studio software was used to simulate and evaluate the suggested antenna design, which was printed utilising state-of-the-art 3D printing processes and materials (polylactic acid (PLA) and FR-4 circuit board material). The measured results show that the antenna has a reflection frequency of 3.51 GHz and a gain of -23.695 dB. Parametric analysis was carried out to examine the relationship between antenna performance and design parameters, with special focus on the separation between the antenna and the PLA material in the middle of the spherical construction. The Vivaldi antenna is an attractive choice for 5G mid-band applications because of its wideband features, ease of manufacture using typical industrial processes, and simplicity of impedance matching to the feeding line using microstrip line modelling.

Original languageEnglish
Pages (from-to)159-163
Number of pages5
JournalASEAN Engineering Journal
Volume13
Issue number3
Early online date30 Aug 2023
DOIs
Publication statusPublished - Sept 2023

Keywords

  • 3D printed antenna
  • antenna gain
  • Mid Band 5G
  • Polylactic Acid (PLA)
  • return loss
  • Vivaldi antennas

ASJC Scopus subject areas

  • Environmental Engineering
  • Chemical Engineering(all)
  • Geotechnical Engineering and Engineering Geology
  • Energy Engineering and Power Technology
  • Engineering(all)
  • Computer Science Applications

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