Ubiquitous and pervasive computing envisions context-aware systems that gather real world information from many fixed and mobile microchips and sensors integrated in everyday objects. To provide valuable services, it is necessary to estimate the location of users or objects
Locating assets and users is one of the key issues to enable transparent and immediate services. Several interesting location-aware applications are emerging in everyday life: Indoor asset tracking and monitoring of objects; People tracking inside a facility; Shopping assistance in malls; Museum guide systems;
In the demonstration, only wireless information are used as they are available from the standard smart-phone. No interpolations, filters or dead-reckoning sensors
Using the Path-Loss propagation wireless model, WaLK requires only the knowledge of Wi-Fi Access Points displacement
When blueprint and environment information are available, WaLK can exploit complex wireless simulation modeling and improve accuracy
In the demonstration, only wireless information are used as they are available from the standard smart-phone. No interpolations, filters or dead-reckoning sensors
Room occupancy statistics and alerts are very useful for emergency and queue management
ELEDIA 
