Pedestrian dead reckoning for mobile phones through walking and running mode recognition

In this paper, we propose a novel model of stride length estimation for pedestrian dead reckoning (PDR) that allows a PDR system to switch its estimation method according to whether the pedestrian is walking or running. Then, we study the application of the mode switching to a PDR/GPS/map-matching integrated positioning system for mobile phones. The experimental results show that this mode switching makes stride length estimation more adaptive, and improves the total accuracy of positioning.

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