CPC H04W 24/02 (2013.01) [H04L 67/12 (2013.01); H04W 24/10 (2013.01)] | 17 Claims |
1. A method comprising:
receiving, at a first time, first channel state information (CSI) data representing channel properties of a wireless channel used by a first wireless device and a second wireless device, wherein the first wireless device is located at a first location in an environment and the second wireless device is located at a second location in the environment;
determining that (i) a size of the first CSI data is less than a first threshold or (ii) the first CSI data is not received in a first specified time interval;
sending, to a user device, a first indication that the first location of the first wireless device is not valid;
receiving, at a second time after the first time, second CSI data representing channel properties of the wireless channel, wherein the first wireless device is located at a third location at the second time;
determining that (iii) a size of the second CSI data exceeds the first threshold or (iv) the second CSI data is received in a second specified time interval;
determining that the second CSI data corresponds to first ground truth data and indicates that there is no motion in the environment; or
determining that the second CSI data corresponds to second ground truth data and indicates that there is motion in the environment; and
sending, to the user device, a second indication that the third location of the first wireless device is valid.
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