Abstract
In this paper, a small-size low-cost printed monopole antenna for ultra-wideband operation is presented. The proposed antenna, which was designed and simulated using the FEM-based HFSS, is based on a 20 mm × 40 mm × 1.6 mm FR4-epoxy dielectric, is microstrip-line fed and has a partial ground plane flushed with the feed line. To verify its frequency response, the antenna is also simulated using CST Microwave Studio, and a prototype is fabricated and the return loss is measured. A credible analogy between computed and measured return loss data is witnessed. Furthermore, the antenna shows acceptable peak gain figures, good radiation efficiency values and omnidirectional radiation patterns over its band of operation.
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