Advanced integration of WIFI and inertial navigation systems for indoor mobile positioning
EURASIP Journal on Applied Signal Processing
Mobile Phone-Based Displacement Estimation for Opportunistic Localisation Systems
UBICOMM '09 Proceedings of the 2009 Third International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies
Indoor pedestrian navigation system using a modern smartphone
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
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The embedded inertial sensors in today's Smart phones have added the facility to use them for localisation and tracking applications. The benefit of using them for localisation purpose is that no extra infrastructure is to be installed in contrast to other existing positioning technologies. Inertial navigation only provides the information relative to initial point, so it is suitable for short distance positioning. However, integration of inertial navigation with other positioning technologies can be used for precise localisation. In this paper we introduce a mechanism for indoor pedestrian positioning using a combination of accelerometer and compass. Three different Smart phone placement modes (idle, hand held and listening) are investigated and a comparison of different pedestrian dead reckoning (PDR) techniques is presented.