Sigfox network localization

The Sigfox network localization service is called Atlas. When the tracker sends a Sigfox message it is received by all the Sigfox base stations in the area. The message and its RSSI is logged in the Sigfox cloud service. Based on the RSSI and the position of the base station a rough estimation of the trackers' position can be estimated using triangulation. This type of localization is automatically done for every message transmitted and has therefor no additional impact on the battery life of the tracker. Because the RSSI is strongly influenced by reflections on building/objects and the distance between base stations is large, the accuracy of network localization is low (order of magnitude: kilometers).



Figure 1. Sigfox localization overview