Now,Nokia introduced a new version of the indoor tracking system and Nokia has put up a video promoting it. The system relies on a positioning beacon, which acts as a "satellite", but just indoors. It is placed on the ceiling and can track how far you are from your desired destination in real-time and is accurate up to 30cm. A special tracking device, which can be attached to various objects and clothes is available, too. Useful if you have a bad habit of misplacing
your belongings,with its help, Nokia's Indoor Positioning can track valuables or even people for that matter. And here's the promo clip in question.
when we can see the Indoor Positioning functioning in their mobile and available to users.