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Table 1 Result of changing .

From: A Novel Real-Time Coal Miner Localization and Tracking System Based on Self-Organized Sensor Networks

Weighted centroid

RSSI-verification

Improvement

 

Average error (m)

Standard error (m)

Average error (m)

Standard error (m)

Average error (%)

Standard error (%)

1.6

0.9003

0.6812

0.6664

0.5743

25.98

15.70

1.65

0.8919

0.6839

0.6646

0.5689

25.48

16.81

1.7

0.8868

0.6836

0.6647

0.5635

25.04

17.75

1.75

0.8861

0.6788

0.6662

0.5586

24.81

17.71

1.8

0.8873

0.6728

0.6629

0.5543

24.59

17.61