Ultra-wideband slot antenna with band-notch characteristics for wireless USB dongle applications

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Ultra-wideband slot antenna with band-notch characteristics for wireless USB dongle applications

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Title: Ultra-wideband slot antenna with band-notch characteristics for wireless USB dongle applications
Author: Deepti Das, Krishna; Gopikrishna, M; Aanandan, C K; Mohanan, P; Vasudevan, K
Abstract: A compact ultra-wideband (UWB) printed slot antenna is described, suitable for integration with the printed circuit board (PCB) of a wireless, universal, serial-bus dongle. The design comprises of a near-rectangular slot fed by a coplanar waveguide (CPW) printed on a PCB of size 20 × 30 mm2. It has a large bandwidth covering the 3.1–10.6 GHz UWB band, with omnidirectional radiation patterns. Further, a notched band centered at 5.45 GHz wireless local area network bands is obtained within the wide bandwidth by inserting a narrow slot inside the tuning stub. Details of the antenna design are described, and the experimental results of the constructed prototype are presented. The time domain studies on the antenna shows a linear phase response throughout the band except at the notched frequency. The transient analysis of the antenna indicates very little pulse distortion confirming its suitability for high speed wireless connectivity.
URI: http://dyuthi.cusat.ac.in/purl/2719
Date: 2009-06


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