Abstract
In this paper, we propose a location-based service (SmartLocService) using space dependent information. The space dependent information is defined as the unique information for a specific place such as set of service set identifier (SSID) from Wireless LAN (WLAN) access points (APs). Existing location-based services (LBSs) mainly use Global Positioning System (GPS) to identify a place. However, GPS cannot work well in an indoor environment. SmartLocService realizes exact place identifications in indoors by using space dependent information. SmartLocService can be applied to various sophisticated location-based services in indoor such as reminders, call bliss and geo-fencing. We implement SmartLocService on smart phones, and evaluate its performance about registration time and location accuracy. As a result, since the accuracy of location is within five meters, we show that SmartLocService is useful to realize location-based services even in indoors.
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