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In the new applications: internet of thing, machine to machine wireless communication, wireless sensors network, the energy efficiency is important to move towards the energy autonomy. Furthermore, for many applications, the antenna environment is complex and the dimension and the distance of metallic (metallic box) or dielectric structure could be equal or inferior to the wavelength. To answer to...
In this paper Complex Natural Resonances of an infinite dielectric circular cylinder based on the PMCHWT formulation are presented. The relation between them and the Characteristic Mode resonances are explained. In addition, the reasons for different characteristic modes using different integral equations are explained. A connection between the resonances of series solution and integral formulations...
In this paper, the theory of characteristic modes is proposed for the analysis and design of UWB planar monopole antennas. This theory provides a very clear insight into the physical performance of this type of antennas. The investigation is focused on the influence of the planar shape in the impedance bandwidth of the antenna, and it will be demonstrated that the impedance bandwidth is extremely...
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