Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Abstract: Today there are a large number of cases in which it is required to position workers indoors with high accuracy. To meet accuracy requirements, combined processing of UWB radio measurements ...

Abstract: Smartphone-based pedestrian dead reckoning (PDR) is widely used in Internet of Things (IoT) applications. However, the accuracy and reliability of PDR could be affected by the users’ ...

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