Research Article
Measurement-Based Delay and Doppler Characterizations for High-Speed Railway Hilly Scenario
Table 3
TDL model for HSR hilly scenario.
| Area | Tap index | Relative time delay (ns) | Average tap gain (dB) | Doppler shift |
| Adjacent area (AA) | 1 | 0 | 0 | | 2 | 280 | −8.7 | | 3 | 640 | −17.5 | | 4 | 1350 | −25.2 | |
| Close area (CA) | 1 | 0 | 0 | | 2 | 200 | −11.4 | | 3 | 450 | −27.6 | | 4 | 520 | −12.7 | | 5 | 860 | −29 | | 6 | 1160 | −28 | | 7 | 1230 | −27.6 | | 8 | 1330 | −23.8 | | 9 | 1390 | −23.1 | | 10 | 1480 | −25.9 | | 11 | 1590 | −18.7 | | 12 | 1770 | −29.1 | | 13 | 2100 | −29.7 | |
| Distant area (DA) | 1 | 0 | 0 | | 2 | 230 | −9.2 | | 3 | 470 | −15.3 | | 4 | 1140 | −18.7 | | 5 | 1790 | −22.4 | |
| Remote area (RA) | 1 | 0 | 0 | | 2 | 410 | −14.8 | | 3 | 2440 | −18.3 | |
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Notes. (1) is a random variable and . (2) The Doppler shift values are corresponding to the case when the train departs from the intersection point.
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