Research Article
Kalman Filter-Based Hybrid Indoor Position Estimation Technique in Bluetooth Networks
Table 4
Standard deviation of error in trilateration, K-NN, and hybrid algorithm (sample size 10).
| Actual position | Trilateration (m) | K-NN (m) | Hybrid approach (m) |
| (0, 5) | 2.38 | 1.19 | 1.14 | (2, 3) | 1.57 | 1.14 | 0.77 | (2, 5) | 0.83 | 0.68 | 0.76 | (5, 0) | 1.47 | 0.81 | 0.74 | (5, 6) | 0.11 | 1.05 | 0.83 | (3, 7) | 1.93 | 1.82 | 1.07 | (8, 8) | 1.37 | 0.29 | 0.43 | (0, 8) | 1.27 | 0.39 | 0.41 |
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