The location computation is based on the data from the Sigfox infrastructure, coming from several replicas of the same messages sent by a device and received by different base stations.
The method used is not based on flight time or signal Doppler shift, but on the signal strength (RSSI - Received Signal Stren- gth Indicator) using a probability model (the location with the highest probability is selected).
The Sigfox Geolocation service will evolve in 2017 to increase its accuracy by using Machine Learning technology.
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