Our team has made a comparison of most popular ski tracking apps to see what is most wanted by users, which features are common within such apps, what are pros and cons of every reviewed application.
Theory: In terms of trilateration, user position is defined by accurate distance from the user to 3 predefined points. In general, trilateration is a three dimensional task and the user position is defined as a point of interception of three spheres
Finally, in this article we will show how we were testing our approach with iBeacons. Interested in the results?