Great variety of solutions for indoor location
Indoor location, or indoor positioning, is a way to locate objects or people inside buildings or underground using radio waves, magnetic fields, acoustic signals, or other sensory information collected by mobile devices.
Many different systems on the market
The localized nature of indoor location has resulted in many different systems on the market – all with pros and cons in their setup. Here are the technological options for indoor location:
Challenges with indoor location
There is no standard for creating an indoor positioning system. Spaces that are packed with different materials and moving groups of people can make the radio signal unreliable for accurate indoor positioning. A group of physical and mathematical methods are applied to compensate for these problems. Integration of data from various navigation systems with different physical principles increase the accuracy and robustness of the overall solution.
Indoor location and floor level detection
It is in most cases important to know on which floor a device is. Lacking that piece of information makes indoor positioning rather useless when it comes to buildings with many floors. Wi-Fi- positioning and beacons can solve this. The accuracy is higher with beacons but the investments probably lower using Wi-Fi. Ultra wideband technology also makes it possible to specify floor level but the UWB range is short and UWB requires new hardware making Wi-Fi positioning and beacons a better option.