Research Article
Hybrid Beamforming Grouping Sum-Rate Maximization Algorithm for Multiuser mmWave Massive MIMO Systems
Table 1
Loss of mmWave penetration through different media.
| Materials | Thickness (cm) | Penetration loss (dB) |
| Wood | 4.25~28 | 8.34~15.08 | Drywall | 6.5~37.25 | 11.85~53.47 | Concrete | 19~34.25 | 31.32~60.11 |
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