Indoor positioning has grasped great attention in recent years. A number of efforts have
been exerted to achieve high positioning accuracy. However, there exists no technology that …

The introduction of Bluetooth Low Energy (BLE) technology provides new opportunities that
the Global Positioning System (GPS) could not provide for indoor localization. In this article …

Reliable people counting is crucial to many urban applications. However, most existing
people counting systems are sensor-based and can only work in some fixed gateways or …

In this work, we propose an activity recognition system based on the use of a topology-
based WiFi localization system combined with accelerometers for body posture recognition …

This book provides a comprehensive overview of the entire landscape of both outdoor and
indoor wireless positioning, and guides the reader step by step in the implementation of …

In the recent years the Location Based Services (LBS) are grabbing the attention of
telecommunication actors since they are sources of new services and new revenues. The …

Location fingerprinting is a positioning method that exploits the already existing
infrastructures such as cellular networks or WLANs. Regarding the recent demand for …

Reliable and real-time location information is important for location-based services (LBS) of
the mobile terminals. Existing location techniques have poor performance in urban …

Providing a seamless, ubiquitous and reliable positioning system based on smartphones
plays a critical role in increasing pervasive sensing environments and location-based …

While localization systems for indoor areas using the existing wireless local area network
(WLAN) infrastructure have recently been proposed, wireless LAN localization approaches …