With the development of the society, there are vast demands for caring and safety services targeting various groups and fields including senior citizens, kids, pets, tourism, public security, logistics and delivery, vehicle monitoring and mobile resource management. Demands for positioning of person and property are also rising with the advancement of life quality, work efficiency, business development and society progress.
Bicycle sharing is the most typical tracker and IoT application. Bicycles integrated with navigation and positioning functions enable unlocking via Internet, positioning on platform, electronic fence, search and prevention of burglary; it also derives many more personal applications such as vehicle appointment, error report and intelligent planning of vehicles.