In this paper, we present a novel design of printed monopole antenna for UWB applications. The radiating element of the proposed antenna is composed of an octagonal patch fed by a 50 ohm microstrip. It has a very compact size of 20mm×12mm, which can be integrated easily with other RF front-end circuits. The antenna parameters and performances have been investigated through a large amount of EM simulations. It has been demonstrated that the proposed antenna provides an ultra wide bandwidth from 2.95 GHz to 13.35 GHz, completely covering the range set by the Federal Communication Commission (FCC) for UWB operations (3.1GHz to 10.6GHz). It also enjoys advantages such as low profile, low cost, high gain and satisfactory radiation characteristics.
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