Narrow-Band Radio Propagation Prediction Based on a Highly Accurate Three-Dimensional Railway Environment Model

Figure 2

Railway 3D environment models during the model managements: (a) original OAP scenario 1 environment model with an area of and over 11 M triangular facets; (b) original OAP scenario 2 environment model with an area of and over 74 M triangular facets; (c) original OAP scenario 3 environment model with an area of and over 45 M triangular facets; (d) the class A structure in scenario 1; (e) the class A structure in scenario 2; (f) the class A structure in scenario 3; (g) the class B structure in scenario 1; (h) the class B structure in scenario 2; (i) the class B structure in scenario 3; (j) the light-weighted scenario 1 environment model with 20k triangular facets; (k) The light-weighted scenario 2 environment model with 84k triangular facets; (l) the light-weighted scenario 3 environment model with 53k triangular facets.

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