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Indoor Positioning Inertial Navigation

- Dec 12, 2017 -

With the rapid development of mobile communication technology and the increasing popularity of smartphones, more and more location-based services have entered the real life and production. Widely used technologies such as global positioning system (GPS) and cellular network positioning can achieve higher precision positioning in an outdoor environment, but wireless indoor units often suffer from problems such as attenuation of wireless signals and poor positioning accuracy. To meet the needs of people for indoor positioning, there are many indoor positioning technology. These technologies have their own characteristics, application environments are not the same.

Inertial indoor positioning technology is the application of inertial navigation principle in indoor environment and has the advantages of inherent autonomy of inertial navigation, good environmental adaptability and easy 3D positioning. It is a good indoor positioning without GPS and other wireless networks select.

Positioning algorithm structure

Indoor positioning based on inertial measurement mainly includes Pedestrian Dead Reckoning and Strap-down Inertial Navigation, which can be applied to a handheld platform.