
Figure 1.
The workflow of proposed methods for multipath detection

Figure 2.
Polarized antenna and u-blox receiver module

Figure 3.
Data collection at an area between two buildings in our experiment

Figure 4.
Measuring the height and distance of the two buildings on two sides of the antenna

Figure 5.
Skyplot indicated satellites’ azimuth and elevation
Table 1.
Classification on Data set 1 (Direct Vector Classification)
| Macro F1 (%) | Weighted F1 (%) | Accuracy (%) | |
|---|---|---|---|
| Decision Tree | 56.34 | 74.72 | 72.24 |
| Random Forest | 63.36 | 79.96 | 78.81 |
| Bagging | 63.01 | 79.54 | 78.19 |
| Gradient Boosting | 63.01 | 79.06 | 77.32 |
| SVM | 48.21 | 58.95 | 52.79 |
| Ada Boosting | 52.79 | 69.23 | 64.56 |