A New Triple Band Microstrip Fractal Antenna for C-band and S-band Applications

Barreto, E. L. F.; Mendonca, Laercio Martins de

doi:10.1590/2179-10742016v15i3543

Cited by 12 publications

(4 citation statements)

References 11 publications

(7 reference statements)

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“… Size (mm 2 ) Design principle Material Resonances (GHz) Gain (dBi) 20 50 × 50 Cantor fractal-based printed slot antenna FR4 2.4/5.8 3.2/4.3 21 70 × 70 Dual reverse-arrow fractal FR4 2.4 2.3 22 100 × 100 A dielectric resonator loaded Fractal slot loop antenna FR4 1.42/2.61/3.65/4.93/6.15 2.2/2.2/3.4/4.4/4.0 23 55 × 60 Dragonfly fractal Roger 5880 2.6/4.4/8.7 3.6/5.5/7.3 24 97 . 48 × 80 CPW Fed Fractal Antenna FR4 2.39/3.77 4.56, 1.09 25 85 × 85 Microstrip fractal antenna FR4 2.1/3.8/4.8 1.4/4.8/2.9 26 50.5 × 83.5 Perturbed Sierpinski monopole gasket Arlon 1.1/3.4/5.8 1.74/5.95/4.22 27 78 × 38 Minkowski Fractal Antenna FR4 1.54/1.88 … …”

Section: Resultsmentioning

confidence: 99%

Investigation of printed slot antennas based on Euclidean geometries

Mezaal

2021

Sci Rep

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Euclidean and fractal terms are mathematically and physically important terms in antenna design, but rarely reported studies had discussed these terms together in antenna design in their texts. This paper first gives an overview of Euclidean and fractal antennas with useful and satisfactory facts. Four printed slot antennas are then studied using Euclidean slot shapes printed in the ground plane with and without Euclidean patches using FR4 substrate. These antennas are employed to investigate their suitability as simple alternatives to complicated fractal geometries and their specific formulas. Parametric analyses with feedline lengths and patch scaling aspects are adopted to generate single, dual, and multiband responses. These parametric studies provide different outcomes and choices for antenna electrical specifications suitable for various wireless applications. It is clear that inserting Euclidean patches to the printed slot in the ground plane influence inducing multiple operating bands as similar as multiband fractal antenna, but without using specific formulas or complicated outlines. All proposed antennas have low-profile topologies, good compactness, and more competitive electrical specifications than many reported fractal antennas. The simulations of the proposed printed slot antennas are in good compatibility with the measurements.

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Section: Resultsmentioning

confidence: 99%

Investigation of printed slot antennas based on Euclidean geometries

Mezaal

2021

Sci Rep

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“…Fractal term is derived from Latin word "Fractus" meaning "broken" [20]. Since the achievement of the first fractal antenna in 1995 [21], much progress proved that fractal geometry helps reduce antenna size and gives it a multiband behavior [21][22][23][24][25].…”

Section: Fractal Antenna Theorymentioning

confidence: 99%

A New Fractal Multiband Antenna for Wireless Power Transmission Applications

Benyetho

Zbitou

Abdellaoui

et al. 2018

Active and Passive Electronic Components

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The Microwave Power Transmission (MPT) is the possibility of feeding a system without contact by using microwave energy. The challenge of such system is to increase the efficiency of transmitted energy from the emitter to the load. This can be achieved by rectifying the microwave energy using a rectenna system composed of an antenna of a significant gain associated with a rectifier with a good input impedance matching. In this paper, a new multiband antenna using the microstrip technology and fractal geometry is developed. The fractal antenna is validated into simulation and measurement in the ISM (industrial, scientific, and medical) band at 2.45 GHz and 5.8 GHz and it presents a wide aperture angle with an acceptable gain for both bands. The final antenna is printed over an FR4 substrate with a dimension of 60 × 30 mm2. These characteristics make the antenna suitable for a multiband rectenna circuit use.

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“…However, the two designed antennas are not suitable for integrating with compact RFID wearable devices. Large-sized fractal antennas with full ground plane [21,22] are more sensitive to deformations. Other fractal antennas are proposed by [23] and [24], where these designs provide a complex geometry.…”

Section: Introductionmentioning

confidence: 99%

Design of Flexible Dual-Band Tree Fractal Antenna for Wearable Applications

Alkhafaji¹,

Abdulsatar²,

Ali³

2022

PIER C

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A dual-band flexible monopole antenna for wearable applications is presented. The antenna structure is built based on tree-shaped fractal geometry. The suggested antenna is printed on Rogers RT5870, a semi-flexible material with a relative dielectric constant and loss tangent of 2.33 and 0.0012, respectively. According to the results, the proposed antenna achieves dual impedance bandwidth ranging from 1.72 to 1.88 GHz for the lower band and 5.1 to 5.33 GHz for the upper band. The simulated results show that the fractional impedance bandwidths and realized gains of the antenna are 8.9/4.8% and 1.47/5.67 dBi for the 1.81/5.2 GHz, respectively. The antenna's performance under various bending scenarios has also been demonstrated at both resonant frequencies. The overall size of the proposed antenna is about 45 × 41 × 0.25 mm 3 . The antenna shows good performance to be a candidate for wearable applications.

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A New Triple Band Microstrip Fractal Antenna for C-band and S-band Applications

Cited by 12 publications

References 11 publications

Investigation of printed slot antennas based on Euclidean geometries

Investigation of printed slot antennas based on Euclidean geometries

A New Fractal Multiband Antenna for Wireless Power Transmission Applications

Design of Flexible Dual-Band Tree Fractal Antenna for Wearable Applications

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