A Compact Fractal Based Printed Monopole Antenna for WiBro, WiMax and UWB Applications

摘要: In this paper a compact Koch fractal based printed monopole antenna has been introduced as candidate for use in applications which the WiBro, WiMax, ISM and UWB services are integrated. The radiating element rectangular shape with two slots cut from each corner. addition, sides of radiator, except that feed line direction, have modified to be form curve third iteration. A small slot made ground plane beneath line. fed an offset 50 Ohm microstrip transmission Both on FR-4 substrate thickness 1.59 mm relative permittivity 4.4. Modeling performance evaluation proposed carried out using method finite integration technique (FIT) EM simulator, CST Microwave Studio. Simulation results show offers impedance bandwidth, return loss ≤ -10 dB range 2.3 - 11.5 GHz. Furthermore, size 20 × 2 .