Research Article
Influence of Training Set Selection in Artificial Neural Network-Based Propagation Path Loss Predictions
Table 4
Path types used in indoor trainings.
| Training routes | Set C | Set D |
| LOS direct ray | 399 | 406 | NLOS diffraction | 30 | 101 | NLOS obstacles | 219 | 390 |
| Total | 648 (17.5% of 3420) | 897 (26% of 3420) |
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