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# Design and Simulation of Linear Array Antenna Using Koch Dipole Fractal Antenna Elements for Communication Systems Applications

Engineering and Technology Journal 01/2010; 28:1854-1861.

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**ABSTRACT:**The performance and analysis of a small size, low profile and dual band quadratic Koch curve dipole antenna was introduced. The proposed antenna design, analysis and characterization had been performed using the method of moments (MoM) technique. The radiation characteristics, VSWR, reflection coefficient and input impedance of the proposed antenna were described and simulated using 4NEC2 software package, MATLAB v7.2 and NEC viewer. From the simulated results, the proposed antenna has an operating frequency of 459 MHz and 1261 MHz and at these frequencies the voltage stand wave ratio (VSWR) less than from 2.American Journal of Applied Sciences 12/2008; - [Show abstract] [Hide abstract]

**ABSTRACT:**This paper presents the analysis and design of a small size, low profile and multiband combined fractal Koch dipole antenna. The proposed antenna design, analysis and characterization has been performed using the method of moments (MoM) technique. The new designed antenna has operating frequencies of 440MHz, 1194MHz, and 5272MHz with acceptable bandwidth, which has useful applications in communication systems. The radiation characteristics, VSWR, reflection coefficient, and input impedance of the proposed antenna are described and simulated using 4NEC2 software package. Also, the gain of this proposed antenna is calculated and described in the three planes: XZ-plane, YZ-plane, and XY-plane, where the antenna is placed in the YZ-plane.Iraqi Journal of Applied Physics (IJAP). 01/2009; 5:29-32. - [Show abstract] [Hide abstract]

**ABSTRACT:**The presented numerical and experimental results show that the input reflection coefficient relative to 50 Ω of a fractal tree antenna exhibits a multiband behaviour generated by the elements of successive iteration levels as well as a wideband response produced by the large number of elements of the last iteration levelElectronics Letters 03/1999; · 1.04 Impact Factor

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