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Table 3 Mean location errors of different grid distances with four APs

From: RSSD-based 3-D localization of an unknown radio transmitter using weighted least square and factor graph

Grid distance

RSSD-KNN

RSSD-FG

RSSD-WLSFG

1.5 m

1.57 m

1.31 m

1.18 m

2 m

1.79 m

1.52 m

1.33 m