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Sensor Fusion (SF) combining accelerometer and gyroscope readings with position sensor (Wi-Fi, GPS) information is the way for increasing indoor positioning precision, mostly during intervals between subsequent callbacks from position sensor. Existing algorithms demonstrate the accuracy acceptable for the users. However customers often require the ALWAYS ON solution implemented on mobile platform...
A radio map which consists of a number of Wi-Fi fingerprints has a tendency to became outdated over time. It is the result of both physical nature of the Wi-Fi signal and the variable indoor environment conditions which have an impact on received signal strength. Therefore, maintenance of the collected Wi-Fi signals data is essential for preserving quality of the Wi-Fi based positioning systems. However,...
Maps used in car navigation systems differ from indoor maps due to the fact that they were designed to address different needs. Therefore, map matching techniques used for outdoor navigation cannot be applied indoors without significant modifications. The main aim of this paper is to present modified map matching algorithm for special usage such as indoor navigation in shopping malls, hotels and airports...
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