Title: ACS fed Koch fractal antenna for wide-band applications

Authors: Yogesh Kumar Choukiker; Santanu Kumar Behera

Addresses: Department of Electronics and Communication Engineering, National Institute of Technology, Rourkela Rourkela 769008, India ' Department of Electronics and Communication Engineering, National Institute of Technology, Rourkela Rourkela 769008, India

Abstract: A compact Asymmetric Coplanar Strip (ACS) feed modified Koch fractal shape printed slot antenna is presented in this paper. It is suitable for Wireless, WiMax, WiBro and other important frequencies. Here, the operating frequencies of the triangular slot antenna are lowered by the Koch iterations technique resulting in compact antenna. The proposed antenna exhibits wideband frequency response. The simulated -10 dB bandwidth for this resonant frequency is 97.7% in the range of 2.7-7.88 GHz. The antenna exhibit omnidirectional radiation pattern with ≤3 dBi gain for entire band. Parametric study of different antenna is presented and discussed in this paper.

Keywords: ACS feed; asymmetric coplanar strip; fractal Koch antenna; wideband frequency response; operating frequencies; triangular slot antenna.

DOI: 10.1504/IJSISE.2013.051500

International Journal of Signal and Imaging Systems Engineering, 2013 Vol.6 No.1, pp.9 - 15

Received: 05 Feb 2011
Accepted: 28 Mar 2011
Published online: 20 Jan 2013 *

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