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Efficient Ray Tracing for Radio Channel Characterization of Urban Scenarios

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3 Author(s)
Schettino, D.N. ; Dept. of Electron. Eng., Univ. Fed. de Minas Gerais, Belo Horizonte ; Moreira, F.J.S. ; Rego, C.G.

This paper presents an efficient ray tracing algorithm for the use of the uniform theory of diffraction (UTD) in radio channel characterizations of urban environments. The algorithm is based on a 2-D image theory, which is properly modified to yield 3-D ray trajectories. Multiple reflections and diffractions are considered through the classification of multipath components into four different categories. The adoption of such ray classes eliminates redundant calculations throughout the ray-tracing process, improving the analysis of the electromagnetic propagation over the coverage area

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Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 4 )