Table 3 Confusion statistic matrix of the experiment using U-BLOX receiver at the Hong Kong urban area
From: Machine learning based LOS/NLOS classifier and robust estimator for GNSS shadow matching
SVM-predicted visibility | ||||||||
|---|---|---|---|---|---|---|---|---|
Location | P1 | P2 | P3 | P4 | ||||
Actual Visibility | LOS | NLOS | LOS | NLOS | LOS | NLOS | LOS | NLOS |
LOS | 98.0% | 32.1% | 84.8% | 2.2% | 75.1% | 24.8% | 54.8% | 18.3% |
NLOS | 2.0% | 67.9% | 15.2% | 97.8% | 24.9% | 75.2% | 45.2% | 81.7% |
Location | P5 | P6 | P7 | P8 | ||||
|---|---|---|---|---|---|---|---|---|
Actual Visibility | LOS | NLOS | LOS | NLOS | LOS | NLOS | LOS | NLOS |
LOS | 49.4% | 23.1% | 44.3% | 47.2% | 95.1% | 32.7% | 72.9% | 14.6% |
NLOS | 50.6% | 76.9% | 55.7% | 52.8% | 4.9% | 67.3% | 27.1% | 85.4% |