Abstract
This paper proposed new design of compact microstrip antenna using fractal sierpenski carpet method for Wireless Fidelity application at working frequency of 2400 MHz. The proposed antenna using FR4 Epoxy with (er) of 4.3, substrate thickness (h) of 1.6 mm and loss tangent (tan δ) of 0.0265. Antenna is designed using AWR Microwave Office software.The sierpenski carpet method is used in order to reduce the dimensions of the microstrip antenna to become more compact. From the measurement results obtained reflection coefficient value -26.077 dB, VSWR 1.104 at working frequency of 2400 MHz frequency with a bandwidth of 127 MHz (2338 MHz – 2465 MHz). Beside that, by using fractal sierepenski carpet method, microstrip antenna dimension was reduced until 47.80% compared to conventional rectangular microstrip antenna.
Highlights
The development of information technology is growing rapidly, especially in wireless telecommunications
Microstrip antenna is one of many type of antennas that can be used for wireless communications, because this antenna has an advantages such as small size, compact and easy to be fabricated
Many techniques have been reported to reduce the size of microstrip antennas for fixed operating frequency
Summary
The development of information technology is growing rapidly, especially in wireless telecommunications. 2 / PER / MENHUB / 2010 stated that the band frequency of 2400 MHz - 2483 MHz is used for data and internet communication system such as Wireless Fidelity[2]. Microstrip antenna is one of many type of antennas that can be used for wireless communications, because this antenna has an advantages such as small size, compact and easy to be fabricated. Many techniques have been reported to reduce the size of microstrip antennas for fixed operating frequency. The inverseproportionality of the relative permittivity can be exploited to reduce the physical antenna length at a fixed operating frequency. A higher permittivity substrate can significantly reduce the antenna size by as much as about 90% [3]. There are several methods of fractal being developed based on its geometry, such as Hilbert [4], Sierpinski [5], Koch [6], and Minkowski [7]
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