Table 1.
Positioning performances from other systems. IMU– inertial measurement unit; RMS–root mean square.
| System | Algorithm | Accuracy |
|---|---|---|
| [24] | WiFi propagation model + Smartphone IMU | RMS: 3.47 m |
| [34] | WiFi fingerprinting + Shoe IMU | RMS: 1.65 m |
| [35] | WiFi fingerprinting + Trolley IMU | Mean: around 2.00 m |
| [36] | WiFi fingerprinting + Shoe IMU | Mean: 1.53 m |
| [37] | WiFi ToF + Strapped IMU | Max: 2.50 m |
| [38] | WiFi propagation model + Smartphone IMU + multi-person collaborative positioning | RMS: around 5.00 m |
| [39] | WiFi propagation model + Smartphone IMU | Mean: 7.83 m |