Using the so-called BEAM 3D mapping software developed by two students of the Engineering College of Aarhus you can determine your location in a building. The software works together with 3d sensor hung in the building. You also need a 3D map of the building.

Future Vision by Erwin Van Lun on this article

Later on, there’ll be sensors – let me call them ‘location-IDs’, everywhere. All electricity, for example a plug connection, broadcasts a location. And you can tape a piece of tape that works on solar energy and broadcasts on location to the wall with the greatest ease. Identifiers will determine their own location based on other IDs in the building. And maps of every building, every house will be standardly available later on. We’ll truly never get lost again.

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