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In this paper, the miniaturization of a printed circular disc monopole antenna is investigated. It is shown that by halving the original antenna and adjusting the coplanar ground plane width, an even wider impedance bandwidth at the lower end can be obtained. Furthermore, a clear physical explanation is provided to illustrate the mechanism of this type of half circular disc antenna.
Most of the biomedical images are studied with EM (electromagnetic) wave propagating to the tissues which is buried inside the higher dielectric material. In this paper, the dipole antenna is designed for studying the biomedical imaging of tissues which is buried inside the water. Due to the material of the dipole antenna was made from coaxial cable; therefore it has waterproof capability. The scattering...
In this paper, a dual-band rejected design for cross monopole antenna is proposed and experimentally studied. To achieve wide and dual-band rejected operation, the proposed antenna consists of a UWB cross monopole antenna and the small h-shaped slots, producing dual band-rejected characteristics, maintaining wideband performance, and good omnidirectional radiation pattern. Details of the results for...
This paper presents several planar monopole antennas with a very compact size for UWB wireless applications. A systematic study of several topology feature was briefly reported. As a result two UWB antennas with a band rejection property with optimized parameters were proposed.This allows the antennas to cover the entire UWB frequency range, while not interfering with WLAN applications.The reported...
A novel wearable antenna for wireless communications is presented in this paper. This paper has discussed the possibility of employing a belt buckle as an antenna, bringing benefits such as removability and the ability to hand portable wireless devices from the belt itself. The antenna consists of a belt buckle, hinge, denim waist band and electrical connections. The antenna was fed by a microstrip...
This paper reports the techniques applied in developing high performance UWB antennas with miniaturized size, reduced ground plane reliance, and enhanced diversity. The fundamental idea about the design with reduced ground plane reliance is first reviewed. Next, the miniaturized antenna design with less ground plane effect is introduced. Last, the antenna which features the small size, less ground...
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