Table 2 Performance comparisons of various positioning error (m) measures
From: WiFi/PDR-integrated indoor localization using unconstrained smartphones
Compared approach | Proposed UKF | UKF (empirical) | EKF (empirical) | KF (empirical) | PDR | WiFi localization |
|---|---|---|---|---|---|---|
Mean error | 0.76 | 1.01 | 1.09 | 1.19 | 1.83 | 2.26 |
75 percentile | 1.02 | 1.30 | 1.47 | 1.61 | 2.65 | 3.20 |
90 percentile | 1.46 | 1.88 | 2.26 | 2.39 | 3.81 | 4.44 |