Research Article
Channel Measurements and Modeling at 6 GHz in the Tunnel Environments for 5G Wireless Systems
Table 4
RMS delay spread values for all scenarios.
| | Scenarios | Fitted parameters | | (ns) | (ns) | Max (ns) | Min (ns) | Median (ns) |
| | Tunnel 1 | LOS-1 | Mea. | 10.01 | 2.75 | 14.61 | 5.34 | 10.08 | | Sim. | 8.42 | 1.51 | 10.31 | 3.66 | 8.51 | | LOS-2 | Mea. | 5.41 | 0.86 | 8.76 | 4.40 | 5.28 | | Sim. | 7.18 | 2.41 | 12.09 | 2.77 | 2.41 | | NLOS | Mea. | 10.12 | 3.74 | 18.76 | 3.03 | 10.46 | | Sim. | 8.30 | 1.59 | 10.46 | 3.66 | 8.43 |
| | Tunnel 2 | LOS-3 | Mea. | 9.85 | 3.23 | 18.28 | 5.32 | 3.23 | | Sim. | 8.18 | 1.73 | 10.02 | 3.67 | 8.48 |
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