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In this paper, two antenna geometries for multiband applications are presented. The fundamental structure consists of a circular monopole with a hexagonal slot inscribed. This structure yields different operating bands which are suitable for global systems for mobile communications (GSM 1800/1900 1.71-1.88 GHz/1.85-1.99 GHz), wireless technology for personal area networks (Bluetooth 2.4-2.485 GHz)...
This paper presents a CPW-fed dual band antenna for improved UWB response. A slotted circular monopole is used to attain dual band operation suitable for GSM 1800 and UWB applications. A fractal pattern is introduced in the design to improve matching in the UWB range. The antenna has an overall size of 34 × 51mm2 and operates in the 1.5–2 GHz and 3.4–11 GHz frequency bands (S11≤−10dB). The measured...
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