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Table 3 Effects of the number of largest elements from the output location vector (κ) and the scaling factor for a threshold (σ) on the Performance of multi-building and multi-floor indoor localization

From: A scalable deep neural network architecture for multi-building and multi-floor indoor localization based on Wi-Fi fingerprinting

κ σ Building hit rate [%] Floor hit rate [%] Success rate [%] Positioning error [m]
      Centroid Weighted centroid
1 N/A 99.82 91.90 91.81 11.40 11.40
2 0.0 99.37 92.44 91.81 10.62 10.54
  0.1 100.00 91.81 91.81 10.40 10.33
  0.2 99.82 92.62 92.44 9.74 9.66
  0.3 99.64 91.99 91.81 9.78 9.71
  0.4 99.73 91.54 91.45 10.29 10.21
  0.5 100.00 90.01 90.01 10.16 10.09
3 0.0 99.73 91.54 91.36 10.14 9.79
  0.1 99.91 90.91 90.82 9.92 9.76
  0.2 98.83 90.91 90.28 9.98 9.80
  0.3 99.55 92.08 91.90 10.13 10.01
  0.4 99.91 91.99 91.99 10.63 10.47
  0.5 99.82 90.37 90.37 9.94 9.89
4 0.0 99.82 90.91 90.91 10.27 9.66
  0.1 99.37 91.99 91.63 10.37 9.92
  0.2 99.64 92.08 91.90 10.26 10.09
  0.3 99.82 91.45 91.36 10.24 10.16
  0.4 99.91 92.26 92.17 10.35 10.23
  0.5 99.82 91.27 91.18 10.10 10.07
5 0.0 99.91 91.36 91.27 11.29 10.36
  0.1 99.91 91.63 91.63 9.90 9.62
  0.2 99.91 90.73 90.73 9.89 9.57
  0.3 99.82 90.91 90.82 10.27 9.99
  0.4 99.73 92.17 92.08 10.17 10.01
  0.5 99.82 92.98 92.89 10.59 10.54
6 0.0 99.82 91.90 91.72 10.84 9.71
  0.1 99.64 92.08 91.81 10.35 9.86
  0.2 100.00 91.99 91.99 9.85 9.56
  0.3 99.82 92.80 92.80 10.49 10.22
  0.4 99.37 91.09 91.00 10.32 10.17
  0.5 99.64 90.91 90.64 9.55 9.52
7 0.0 99.82 89.29 89.29 11.74 10.22
  0.1 99.82 90.19 90.01 10.43 9.82
  0.2 99.91 91.45 91.45 10.00 9.55
  0.3 99.91 91.63 91.54 9.75 9.53
  0.4 99.64 90.46 90.19 10.42 10.28
  0.5 99.55 91.45 91.36 9.83 9.73
8 0.0 99.91 90.19 90.10 11.32 9.27
  0.1 100.00 91.27 91.27 10.62 10.14
  0.2 99.82 91.27 91.18 9.76 9.29
  0.3 99.82 90.55 90.37 9.95 9.82
  0.4 99.91 90.37 90.28 10.21 10.14
  0.5 99.91 90.55 90.55 9.86 9.79
9 0.0 99.82 91.00 90.91 12.75 9.76
  0.1 99.82 90.28 90.19 10.17 9.55
  0.2 99.82 90.73 90.64 10.05 9.76
  0.3 99.82 91.45 91.36 10.36 10.23
  0.4 100.00 91.81 91.81 9.86 9.78
  0.5 99.91 92.80 92.71 10.26 10.23
10 0.0 99.91 90.91 90.82 13.21 9.75
  0.1 99.82 92.71 92.62 10.37 9.85
  0.2 99.91 91.72 91.72 10.33 10.04
  0.3 100.00 90.82 90.82 10.47 10.24
  0.4 100.00 91.09 91.09 10.10 9.96
  0.5 100.00 91.90 91.90 9.96 9.91
  1. *N/A = not applicable; when κ = 1, the value of σ does not affect the selection of locations (i.e., reference points) included in the coordinates estimation