Optimal Frequency of Operation and Radiation Efficiency Limitations of Implantable Antennas (CROSBI ID 689899)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Nikolayev, Denys ; Šipuš, Zvonimir ; Bosiljevac, Marko ; Joseph, Wout ; Zhadobov, Maxim ; Sauleau, Ronan ; Martensx, Luc ; Skrivervik, Anja
engleski
Optimal Frequency of Operation and Radiation Efficiency Limitations of Implantable Antennas
Fundamental limits on radiation performance of implantable antennas serve as the design quality gauge, facilitate the choice of the antenna type, and provide simple design rules to maximize the radiation performance. This study obtains the limits using two formulations: 1) theoretical spherical-wave expansion using elementary magnetic and electric dipoles and 2) realistic full-wave 2D-axisymmetric models of TM10 and TE10 mode capsule antennas. Using both formulations, the optimal radiation conditions are investigated, the effects of antenna dimensions and its implantation depth are quantified. The results also demonstrate that an electric antenna operating close to the optimal frequency could achieve higher efficiency than a magnetic one. The latter, however, is more efficient below the optimal frequency range.
fundamental limits, radiation efficiency, implantable antennas, spherical wave expansion
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Podaci o prilogu
CS14.1
2020.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of 14th European Conference on Antennas and Propagation (EuCAP 2020)
European Association on Antennas and Propagation (EurAAP)
Podaci o skupu
14th European Conference on Antennas and Propagation (EuCAP 2020)
poster
15.03.2020-20.03.2020
Kopenhagen, Danska