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