2018
DOI: 10.1590/2179-10742018v17i41541
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Design, Optimization and Experimental Evaluation of a F-shaped Multiband Metamaterial Antenna

Abstract: A F-shapedprinted dipole antenna, designed to operate simultaneously at 1.8 GHz, 2.45 GHz and 5.8 GHz is proposed in this work. The main challenge of the project is to find the antenna optimal geometry so that its gain has a higher value in the three operating frequencies in order to be efficiently applied it in the energy harvesting and wireless communication systems.To achieve the proposed operating condition, reduce the antenna return loss and enhance its bandwidth and gain a metamaterial surface was incorp… Show more

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Cited by 6 publications
(6 citation statements)
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“…This low power signal available in the environment minimizes the levels of power delivered to the load, and limits the possibilities of technology use [13]. Thus, different solutions have been investigated with the aim of increasing the ability of the rectenna to deliver more power to the load [14][15][16].…”
Section: Introductionmentioning
confidence: 99%
“…This low power signal available in the environment minimizes the levels of power delivered to the load, and limits the possibilities of technology use [13]. Thus, different solutions have been investigated with the aim of increasing the ability of the rectenna to deliver more power to the load [14][15][16].…”
Section: Introductionmentioning
confidence: 99%
“…The magnetic resonance method is based on the resonant coupling with two-same frequency resonant circuits while it is interacting weakly with other off-resonant frequency. Therefore, many studies have been proposed the techniques to improve efficiency and operating distance [7][8][9][10]. Moreover, a near-field WPT system is using magnetic field coupling and uses in high power applications, so electromagnetic fields (EMFs) accordingly increase.…”
Section: Introductionmentioning
confidence: 99%
“…As it covers a wide range of materials, its properties can be exploited to control and improve the propagation characteristics, thus affecting the antennas functioning, in particular the microstrip patch antenna (MPA) [1]. MTMs are structures artificially obtained, usually periodic and can present electrical permittivity (ε), magnetic permeability (µ) and refractive index (n) simultaneously negative [2]- [4].…”
Section: Introductionmentioning
confidence: 99%
“…Another form of design is to insert cells on both sides of a dielectric plate, or in the patch and ground plane. In a microstrip dipole antenna [4], cells with divided circular geometry, such as Split Ring Resonator (SRR), obtained an increase in BW, gain and decrease in the value of the S11. For a high gain antenna in THz [21], it was used a unit cell of the axially symmetric fishnet with a low index MTM (LIM).…”
Section: Introductionmentioning
confidence: 99%