From: Localization based on standard wireless LAN infrastructure using MIMO-OFDM channel state information
M=2
M=4
B (MHz)
40
3.9 m; 13.79 %
2.8 m; 9.90 %
80
2.0 m; 7.07 %
1.8 m; 6.36 %
160
1.2 m ; 4.24 %
1.1 m ; 3.89 %