Senionlab Ab

Senion Ab

David Törnqvist

Fredrik Gustafsson

Per Skoglar

Christian Lundquist

Jonas Callmer

Fredik Gustafsson

The present invention relates to a method for positioning a user inside a building, wherein the user has a user carried device () and the user carried device () is provided with a direction sensor () and a movement sensor (). The method comprises the steps of providing the user carried device with a vector map () of the building, wherein the vector map () comprises vectors and nodes representing possible movement paths for the user in the building; determining a starting point in the vector map representing a first position of the user; receiving movement information from the movement sensor () regarding movement of the user in the building; receiving direction information from the direction sensor () regarding the direction of the movement of the user; and estimating a new position of the user based on the vector map, the movement information and the direction information.

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Linköping, Sweden

David Törnqvist