期刊
IEEE ANTENNAS AND PROPAGATION MAGAZINE
卷 61, 期 6, 页码 20-30出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MAP.2019.2943297
关键词
Computational modeling; Electromagnetic scattering; Three-dimensional displays; Diffraction; Wireless communication; Electromagnetic propagation
资金
- Ministerio de Ciencia, Innovacion y Universidades
- Gobierno de Espana (MCIU/AEI/FEDER,UE) [RTI2018-095499-B-C31]
In this article, we compare deterministic methodologies for characterizing channel behavior in heterogeneous and composite scenarios. These techniques include one that combines a 3D ray launching (RL) approach based on geometrical optics (GO), a second based on GO and the uniform theory of diffraction (UTD), and another that includes a diffusion equation (DE) method based on the equation of transfer. A new methodology based on the GO and DE is presented and shown to achieve accurate results when compared with real measurements. The proposed technique provides a computational time reduction of up to 90% compared to the conventional approach using GO with the UTD and DE.
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