Research Article
Channel Characteristics of High-Speed Railway Station Based on Ray-Tracing Simulation at 5G mmWave Band
| Material | Relative permittivity | Loss tangent |
| Granite | 4.91 | 0.14 | Brick | 4.20 | 0.39 | Plaster | 2.50 | | Metal | 1.00 | | Tiles-rough | 3.77 | | Concrete | 5.60 | 0.05 |
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