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UWB is a useful system for mobile communications. In this paper, a new antenna is proposed for UWB systems, it is analyzed by using the FDTD method and the antenna characteristics are obtained. It was achieved that the radiation characteristic of the antenna is approximately omnidirectional over all frequencies of the UWB by modifying an antenna element and a ground conductor. Those method and characteristics...
The fading phenomenon is enumerated in a factor of quality degradation in mobile communication technologies. In this paper, a single-feed planar antenna is proposed for electric and magnetic fields reception in order to improve the degradation of the received signal level due to a fading phenomenon. The proposed antenna has a line element and a conducting ground plane with a slot which are printed...
The broadband planar antenna with a truncated elliptical element and a parasitic element near ground conductor which are printed on a dielectric substrate is proposed. The proposed antenna is analyzed by using the FDTD method, and return loss characteristics and radiation patterns are obtained and shown in figures. Effects of a parasitic element and a truncated elliptical element are considered. From...
In this paper, a single-feed planar antenna for electric and magnetic fields reception (SPAEM) is proposed in order to decrease the change of received signal level and improve the receiving signal quality. The SPAEM is composed of a line element and a conducting ground plane with a slot which are printed on the dielectric substrate. The antenna has two functions. One is the function of a planar monopole...
The fading phenomenon is enumerated in a factor of quality degradation in mobile communication technologies. In this paper, a single-feed planar antenna is proposed for electric and magnetic fields reception in order to improve the degradation of the received signal level due to a fading phenomenon. The proposed antenna has a line element and a conducting ground plane with a slot which are printed...
In this paper, we propose a planar antenna which has an elliptical element and a ground conductor plane which are printed on a dielectric substrate. The position of the feeding point of the antenna is offset from the center of the ground conductor plane with a slit. The characteristics such as return loss and radiation patterns of the proposed antenna are analyzed by using the FDTD method. From these...
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