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Method and device for indoor positioning

  • US 8,498,811 B2
  • Filed: 02/09/2011
  • Issued: 07/30/2013
  • Est. Priority Date: 02/09/2011
  • Status: Active Grant
First Claim
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1. 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 comprising 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 at the user carried device a starting point in the vector map representing a first position of the user,receiving movement information at the user carried device from the movement sensor regarding movement of the user in the building,receiving direction information at the user carried device from the direction sensor regarding the direction of the movement of the user, andestimating at the user carried device a new position of the user based on the vector map, the movement information and the direction information.

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