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Broadband planar antennas are useful for mobile communications. In this paper, broadband planar antennas are proposed for mobile communications. They are analyzed by using the FDTD method and the antenna characteristics are obtained. The miniaturization of a planar antenna is implemented. The application of a antenna is also considered. Those results are shown in figures. The results are useful for...
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 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, broadband planar antenna with a trimmed elliptical element and a ground conductor with two slits is proposed, in order to improve more a radiation pattern. The trimmed elliptical element and the ground conductor are printed on dielectric substrate, and the two slits in the ground conductor are set to both sides of a feeding point. The characteristics such as return loss and radiation...
The broadband planar antenna with an elliptical element and a ground conductor with a slit is proposed. The position of a feeding point of proposed antenna is offset from center of ground conductor. The proposed antenna is analyzed by using FDTD method, and is discussed for return loss characteristics and radiation patterns. It is cleared that offsetting the feeding point is effective for broadbanding,...
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