A Reconfigurable U-Koch Microstrip Antenna for Wireless Applications

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
In this paper, a low-cost multiband Printed-Circuit-Board (PCB) antenna that employs Koch fractal geometry and tunability is demonstrated. The antenna is fabricated on a 1.6 mm-thick FR4- epoxy substrate with dimensions 4x4.5cm, is microstrip-line fed and has a partial ground plane flushed with the feed line. The proposed antenna is simulated using the finite-element method for three different switching cases and the return loss is measured for each case. It is shown that the antenna can cover the bands of several applications including 3G, Wi-Fi and WiMAX as well as a portion of the UWB (Ultra-WideBand) range.

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