Abstract
In this letter, a different method to design an ultra-wideband (UWB) monopole antenna with dual frequency band-stop performance is presented. The proposed antenna consists of a rectangular-ring radiating patch with a meander-line strip as a resonator protruded inside the ring, and a ground plane. The measured results reveal that the presented dual band-notched monopole antenna design exhibits an operating bandwidth (VSWR<2) form 2.8 GHz to 13.8 GHz with two notched bands, covering the 5.2/5.8 GHz, 3.5/5.5 GHz, and 4 GHz to suppress any interference from the wireless local area network (WLAN), worldwide interoperability microwave access (WiMAX) and C-band systems, respectively. Good return loss, antenna gain and radiation pattern characteristics are obtained in the frequency band of interest. The proposed monopole antenna configuration is simple, easy to fabricate and can be integrated into any UWB system. The antenna has a small dimension of 10×17 mm2 .
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