期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2017
卷号：6
期号：12
页码：22930
DOI：10.15680/IJIRSET.2017.0612122
出版社：S&S Publications
摘要：With the rapid development of smartphone industry, various positioning-enabled sensors such as GPSreceivers, accelerometers, gyroscopes, digital compasses, cameras, Wi-Fi and Bluetooth have been built in smartphonesfor communication, entertainment and location-based services. Smartphone users can get their locations fixedaccording to the function of GPS receiver. This is the primary reason why the huge demand for real-time locationinformation of mobile users has been unprecedented in recent years. However, the GPS receiver is often not effective inindoor environments due to the signal attenuation and multipath effects, although it as the major positioning deviceshave a powerful accuracy for outdoor positioning. This research investigates other built-in GPS and develops methodsfor improving the accuracy of indoor positioning. Combination with the wireless network, it can be a viable alternativesolution for the indoor positioning purposes of the smartphone users. The main advantage of this solution is that it canbe deployed with a minimal cost, as no specialized hardware is necessary for setting up the system. However,challenges remain for this solution due to complex indoor environment involved and extensive calibration dataoverhead.
关键词：Inertial Measurement Units (IMUs); WiFi; Received Signal Strength Indicator (RSSI); Particle Filter;Indoor Localization.
