An Indoor Localization System within an IMS Service Infrastructure
2013
The paper presents an architectural proposal that integrates a vehicle parking system, which offers a series of specific services (billing, targeted marketing, etc.), into the 3GPP IP Multimedia Subsystem (IMS), with a specific focus on the localization of the vehicle in indoor areas. The vehicle is equipped with a device hosting an ad-hoc software client exploiting the Wi-Fi network card. The solution takes advantage of the widespread adoption of the 802.11x WLAN technology in order to provide a value added service using already installed infrastructure. The testing area is an indoor parking lot and the IT infrastructure includes several Wi-Fi Access Points appropriately located inside the parking area, some user equipments interacting with them, a Location Server able to provide an estimate of a vehicle's position and a Presence Server offering specific location-based services on behalf of the IMS infrastructure.
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