Research Article
The Optimal Sampling Period of a Fingerprint Positioning Algorithm for Vehicle Speed Estimation
Table 12
Relative error ratio for Cases
1 and
2.
| | Sampling period (sec) | Free flow (%) | Traffic congestion (%) |
| | 1 | 4.88% | 2.99% | | 20 | 1.74% | 0.75% | | 41.589 | 0 | 0 | | 60 | −6.62% | −3.37% | | 80 | −8.01% | −4.48% | | 100 | −12.89% | −5.22% | | 120 | −15.33% | −4.48% |
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