Home > Published Issues > 2024 > Volume 19, No. 4, 2024 >
JCM 2024 Vol.19(4): 198-203
Doi: 10.12720/jcm.19.4.198-203

A Reconfigurable Antenna for IoT Applications with Enhanced Performance by Adding Metamaterial

Jamal Mohammed Rasool and Ali Kadhum Abd*
Department of Communication Engineering, University of Technology, Baghdad, Iraq
Email: 30189@uotechnology.edu.iq (J.M.R.); coe.20.06@grad.uotechnology.edu.iq (A.K.A.)
*Corresponding author

Manuscript received October 25, 2023; revised December 5, 2023, accepted December 13, 2023; published April 17, 2024.

Abstract—In this study, the use of a complementary four Split Ring Resonators (SRR)-based metamaterial is studied to develop a frequency-reconfigurable antenna for wireless communication. The tangent loss (tan) is 0.0009, and the dimensions of the Rogers RT5880 dielectric are (38×21×1.6) m3 with a relative permittivity of 2.2. This is the substrate on which the proposed antenna is printed. A frequency range of 1.82 GHz to 6.44 GHz is observed for the antenna’s tuning. The proposed antenna exhibits a Voltage Standing Waves Ratio (VSWR) that does not exceed 1.5 in all resonant bands, affirming its reliability and efficiency. The proposed buildings' radiation efficiency ranges from 70.73% to 98.91%. The antenna operates in three different Modes depending on the antenna’s switching scenario. Antenna Mode 1 operates in a single-band (3.03 GHz). Mode 2 is a double-band (2.34 and 5.06 GHz), and finally, the tri-band or Mode 3 (1.82, 4.2, and 6.44 GHz). Using a fed microstrip line, it is possible to use a quarter-wavelength transformer line to get 50 characteristic impedance and good impedance matching. The method for extracting the parameters from the SRR’s meta-material property is covered in depth, which is how the existence of negative permeability and the new resonance frequencies are confirmed. The suggested antenna offers many benefits, such as straightforward construction, low return loss, and switching frequencies using a PIN diode (SMP1340-079LF).

Keywords—metamaterial, reconfigurable, Positive Intrinsic Negative (PIN) diode, Internet of Things (IoT), Computer Simulation Technology (CST)

Cite: Jamal Mohammed Rasool and Ali Kadhum Abd, “A Reconfigurable Antenna for IoT Applications with Enhanced Performance by Adding Metamaterial," Journal of Communications, vol. 19, no. 4, pp. 198-203, 2024.

Copyright © 2024 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.