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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

On-line version ISSN 2179-1074

Abstract

MARTINS, Bruno W. et al. Indoor Characterization of Power Delay Profile Using Equivalent Antenna Representation in Uniform FDTD Lattices. J. Microw. Optoelectron. Electromagn. Appl. [online]. 2017, vol.16, n.1, pp.1-15. ISSN 2179-1074.  http://dx.doi.org/10.1590/2179-10742017v16i1704.

It is shown that proper representation of transmitting and receiving antennas in indoor environments are decisive for accurate prediction of electromagnetic power transfer parameters using the standard 3D-FDTD method. With the standard Yee method, it is not always possible to precisely describe all the geometrical details of electrically small antennas. A new approach for description of the discone antenna in uniform 3D-FDTD lattice is presented. The calculations are validated by comparing FDTD results with the polyhedral beam-tracing method and experimental data.

Keywords : Channel characterization; power delay profile; 3D-FDTD; electrically small antennas; large computational environments.

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