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Ultra wideband (UWB) technology draws attention as a promising technology in order to materialize ubiquitous network. However, it is difficult to obtain the ultra-wideband antenna that performs excellent over a broad frequency band from 3.1 GHz to 10.6 GHz in UWB radio communication. From a view point of cost, production, and miniaturization of devices, ultra-wideband antenna with a feeder line should...
In this paper, a half-sized unbalanced dipole antenna with fan-shaped and trapezoidal elements on a printed circuit board is proposed. The VSWR and radiation patterns of the proposed antenna were investigated. As a result, VSWR characteristics less than 2.0 and a relative bandwidth of 110 % over the frequency band of 3.1 GHz to 10.8 GHz were obtained from measurements. Radiation patterns similar to...
In this paper, a half-sized unbalanced dipole antenna with fan-shaped and trapezoidal radiators on a printed circuit board was proposed. The VSWR and radiation patterns of the proposed antenna were investigated. As a result, the VSWR characteristics less than 2.0 and relative bandwidth of 110 % over the frequency band of 3.1 GHz to 10.8 GHz from the experiments were obtained from a measurement. As...
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