Abstract
This paper presents an innovative method for the design of a triple band meta-mode antenna. This unique design of antenna finds application in a particular frequency band of WLAN and WiMAX. This antenna comprises of a square complimentary split ring resonator (SCSRR), a coaxial feed, and two symmetrical comb shaped split ring resonators (CSSRR). The metamaterial unit cell SCSRR independently gains control in the band range 3.15–3.25 GHz (WiMAX), whereas two symmetrical CSSRR unit cell controls the band in the ranges 3.91–4.01 GHz and 5.79–5.94 GHz (WLAN). This design methodology and the study of the suggested unit cells structure are reviewed in classical waveguide medium theory. The antenna has a miniaturized size of only 0.213 × 0.192 × 0.0271 (20 × 18 × 2.54 mm3, where is the free space wavelength at 3.2 GHz). The detailed dimension analysis of the proposed antenna and its radiation efficiency are also presented in this paper. All the necessary simulations are carried out in High Frequency Structure Simulator (HFSS) 13.0 tool.
Highlights
Wireless communication networks employing metamaterial technology are witnessing unprecedented development
Left hand medium (LHM) materials investigated by Veselago in 1968 exhibit negative permittivity and permeability through magnetic, electric, and phase triplet vectors [6]
The novelty of the work lies in the proposed metamaterial unit cell which is tuned in such a way that each individual unit cell solely controls a particular resonance frequency of the antenna
Summary
Wireless communication networks employing metamaterial technology are witnessing unprecedented development. Metamaterials are artificially structured media comprising of dielectric inclusions that can be engineered to exhibit peculiar electromagnetic properties [1,2,3,4]. These materials have been found to have significant advantages in various field of technology [5]. Metamaterials are mainly used to enhance the system performance and antenna parameters such as gain, bandwidth, efficiency, and return loss These artificially created structures find applications in microwave and terahertz to construct devices such as integrated sensors, Micromachines 2021, 12, 113. The near field boundary conditions of the metamaterial could be altered to achieve a compact size while retaining better radiation performance
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