A New Metasurface Structure for Bandwidth Improvement of Antenna Array

Authors

  • Lan Ngoc Nguyen Faculty of Electronics and Telecommunications Saigon University, Vietnam

Keywords:

Array antenna, bandwidth enhancement, metasurface

Abstract

In this paper, the design of an antenna array with enhanced bandwidth is presented. The antenna array includes 16 elements (4 x 4) based on RT5880 with height of 1.575 mm, dielectric constant of 2.2 and loss tangent of 0.0009 and it is yielded at the central frequency of 5.8 GHz for Wireless Local Area Network (WLAN) applications. In addition, in order to enhance bandwidth for antenna, the paper proposes a new metasurface. The metasurface, which is a lattice of 3 x 3 cells, is printed on a substrate of FR4 (h = 1.6 mm, ɛr = 4.4, and tanδ = 0.02) and it acts as an artificial magnetic conductor reflector. The final prototype with an overall dimension of 123 x 120 x 3.315 mm3 was fabricated and measured. The antenna witnesses an impedance bandwidth of 5.1-7.5 GHz at -10 dB (41%) and a peak gain of 17.65 dBi for measurement. The simulation results are confirmed by measurement ones to verify the performance of the proposed antenna.

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Author Biography

Lan Ngoc Nguyen, Faculty of Electronics and Telecommunications Saigon University, Vietnam

Lan Ngoc Nguyen received Ph.D. degree from School of Electronics and Telecommunications, Hanoi University of Science and Technology in 2019. Currently, she is a Lecturer at Faculty of Electronics and Telecommunications, Saigon University. Her research interests are microstrip antenna, mutual coupling, MIMO antennas, array antennas, reconfigurable antennas, polarization antennas, metamaterial, metasurface. ORCID: https://orcid.org/0000-0001-8506-9979.

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Published

2021-02-01

How to Cite

Lan Ngoc Nguyen. (2021). A New Metasurface Structure for Bandwidth Improvement of Antenna Array. The Applied Computational Electromagnetics Society Journal (ACES), 36(2), 139–144. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/7361

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