Table 3 Average variance estimates and localization errors, from simulations with \(n=20\)
From: Robust error estimation based on factor-graph models for non-line-of-sight localization
Motion model | Estimate | \(\sigma ^2_R\) | \(\sigma ^2_{Q1}\) | \(\sigma ^2_{Q2}\) | C | G |
|---|---|---|---|---|---|---|
Linear | Existing | 0.81 | 0.13 | 0.06 | 0.628 | 103.93 |
| Â | Proposed | 1.46 | 0.52 | 0.17 | 0.003 | 51.13 |
| Â | Truth | 1.50 | 0.50 | 0.20 | NA | NA |
Nonlinear | Existing | 0.49 | 0.77 | 0.18 | 1.097 | 95.81 |
| Â | Proposed | 1.20 | 1.22 | 0.38 | 0.638 | 59.57 |
| Â | Truth | 1.50 | 0.50 | 0.20 | NA | NA |