Abstract
A wideband antenna comprising of a L-shaped radiating element that has a modified inverted-F structure and a C-shaped parasitic radiating element on the ground is proposed. A prototype of the proposed antenna has been constructed and experimentally studied. The measured results show that the operating bandwidth with 10 dB return loss is about 2.9GHz (2.11–5.01GHz), with three resonant frequencies and a very wide operating band (81.46%, respectively), covering 2.4GHz WLAN and 2.5/3.5GHz WiMAX bands. Furthermore, the antenna has a small volume of only 30 × 30 × 1.6 mm3. Good radiation characteristics and acceptance peak realized gains are obtained over the operating bands.
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