Review Article
A Survey on Wireless Transmitter Localization Using Signal Strength Measurements
Table 1
Tx localization RMSEs with real BLE data.
| Algorithm | RMSE w/o prior (m) | RMSE with prior (m) |
| Centroid | 9.8 | | Robust centroid | 8.9 | | Weighted centroid (dist.) | 4.5 | | Weighted centroid (RSS) | 5.4 | | Linear least squares | 25.1 | | Gauss–Newton | 3.4 | 2.9 | Importance sampling | 9.8 | 3.4 | RSS gradient | 14.2 | | Point-wise fit (regular grid) | 4.8 | 3.2 | Point-wise fit (meas. pos.) | 2.8 | 2.7 |
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