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Latest from our journals Science Share Post The way people walk while carrying their smart devices could help to improve the mapping of indoor areas poorly served by GPS. As global positioning systems (GPS) become more advanced, they still face a challenge. Though they function well outdoors, location-based services (LBS) still struggle to map indoor locations reliably. A paper published in the open-access journal Mobile Information Systems entitled Multimode Pedestrian Dead Reckoning Gait Detection Algorithm Based on Identification of Pedestrian Phone Carrying Position tackles this problem by investigating how we carry our smartphones and how this affects our gait. The authors, including Ying Guo and Qinghua Liu from Shandong University of Science and Technology, China, used these factors to find a way to improve algorithms used in pedestrian dead reckoning (PDR). PDR is an internal phone navigation system and currently one of the primary methods used for m ....