Table 1.

Performance comparison between different algorithms and input data.

Algorithm	KNN		WKNN		RFFP
InPut Data	RSSI	CSI	RSSI	CSI	CSI
MAE in chamber (m)	1.7085	0.7608	1.1255	0.1767	0.1033
MAE in office, LOS (m)	2.8724	1.8421	2.1812	0.8164	0.1708
MAE in office, NLOS (m)	2.9463	1.7782	2.3071	1.0517	0.4033