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