The traditional solution for universal positioning has so far
been the Global Positioning System (GPS) due to the fact that
GPS was able to fulfill the basic requirement of a pervasive
positioning system such as accuracy, reliability and
availability. There are major differences between GPS and
WiFi signals within the same context. Millions of WiFi routers
have been installed since their existence by users form
different walks of life such as academic institutions,
enterprises, individuals and industries. The aim of these
networks is to assist more efficient and flexible access to data