The navigation ecosystem is changing rapidly.
Navigation, locating on Bluetooth
Published patent on a system that is using Bluetooth
The system automatically detects a signal directly from sensors, without requiring the communication with a central system, data plans, or even cellular communication. These sensors are small pocketsize Bluetooth transceivers. There is no need for pairing as every Bluetooth device’s tag has a unique ID. This ID can be used for locating the tag.
Read more: http://ow.ly/1iVVP