Four resonant frequencies and three operation frequency bands can be observed.
Sierpinski carpet fractal antenna.
An impedance bandwidth of 3 4 37 4 ghz is achieved.
W 0 264 h l 0 412h w reff 0 258 0 8 h 4.
Fractal antenna is widely used due to the following important facts.
This multiband sierpinski gasket monopole antenna can cover more than 10 bands in the frequency band of 0 6 ghz 16 ghz.
The proposed antenna is designed on fr4 substrate with dielectric constant of 4 4.
The simulation of the basic structure resulted in an antenna size of 38 04mm 29 46mm.
The antenna consists of a sierpinski carpet fractal radiator which reduces the overall size of the antenna and it is realized on top of a hilbert slot in the ground layer to achieve required impedance matching.
Cpw fed hexagonal sierpinski super wideband fractal antenna abstract.
This type of wideband antenna displays high self similarity and symmetry.
Different performance parameters like radiation pattern gain voltage standing wave ratio return losses are observed at all the frequencies.
Figure 2 shows the design of a sierpinski carpet fractal antenna starting with a rectangular geometry of single patch antenna.
A novel uwb antenna is presented which is formed by the modified sierpinski carpet fractal with the 50ω micro strip.
A dual band antenna using a sierpinski carpet fractal geometry is designed which covers the multiband characteristics of fractals.
The fractalcarpet object creates a sierpinski s carpet fractal antenna.
The antenna have been.
It consists of hexagonal radiation patch with two iterations of sierpinski square slots and coplanar waveguide feeding.
The model of the antenna is as shown in the figure 3.
This paper presents a novel design of fractal antenna on a flexible substrate that operates in umts band universal mobile telecommunication system 1 92 2 17 ghz.
A fractal antenna uses a self similar design to maximize the length or increase the perimeter of a material that transmits or receives electromagnetic radiation within a given volume or area.
From result and discussion it can be concluded that the self similarity in the structure for the 4th iteration sierpinski gasket monopole fractal antenna is observed to possess multiband behavior.
These fractal antennas are used in mobile phone and wi fi communications.
Very broadband and multiband frequency response that derives from the inherent properties of the fractal geometry of the antenna.
Here for designing of this antenna we use sierpinski carpet fractal geometry.
A compact hexagonal sierpinski fractal antenna for super wideband applications is presented.
