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A broadband microstrip-fed slot antenna is proposed for UHF applications. Its measured impedance bandwidth reaches 85.3% for VSWRles3, covering the frequency range from 390 MHz to 970 MHz. Backed by a cavity, the antenna achieves 5.5-7.5 dBi gain and has a compact structure, with the dimension of only 0.48lambda1 times 0.30lambda1 times 0.13lambda1 (lambda1 is the longest wavelength in the operating...
In this paper, a novel UWB printed elliptical monopole antenna is proposed, which provides about 21.6 octave measured impedance bandwidth while its overall size is only about 0.19lambdaltimes0.16lambdal. The bandwidth broadening of this design comes from three factors: an elliptical monopole shape, a trapeziform ground plane and a tapered CPW feeder
In this paper, a novel compact coplanar waveguide (CPW)-fed monopole antenna is proposed for dual-band WLAN operations. The proposed antenna consists of two strips with a total size of 29 mm times 15 mm times 1.5 mm, achieving the -10 dB bandwidths of 22.2% and 17.4% for 2.4 GHz- and 5.5 GHzbands, respectively, which effectively cover IEEE 802.11 a/b/g systems. Details of the antenna design are described,...
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