Table 4 Mean location errors of different algorithms
Grid distance | Database | Test positioning target | RSSD-KNN | RSSD-WKNN | RSSD-VRKNN |
|---|---|---|---|---|---|
1.8 m | 300 MHz/20 dB | 300 MHz/20 dB | 1.43 m | 1.35 m | 1.12 m |
1.8 m | 300 MHz/20 dB | 300 MHz/13 dB | 1.52 m | 1.38 m | 1.17 m |
1.8 m | 1 GHz/20 dB | 300 MHz/20 dB | 1.48 m | 1.32 m | 1.21 m |
1.8 m | 1 GHz/20 dB | 300 MHz/13 dB | 1.45 m | 1.33 m | 1.15 m |