Etude de l'hybridation d'un récepteur GPS avec des capteurs bas-coûts pour la navigation personnelle en milieu urbain

First driven by the regulation on emergency calls in the United States (E-911), Location Based Services (LBS) are currently gaining more and more importance in everyday life. Numerous positioning technologies are foreseen to allow the location of one user whether he is indoors or outdoors. Among these techniques, GPS and even more GNSS are well adapted to applications requiring accurate positioning whatever the environment (urban or rural). Such a positioning technique requires no extra infrastructure but a chipset to decode and process GPS signals. As a consequence, this makes it very suitable to fulfil the location requirements of applications such as emergency services (US E911), guidance of rescue teams, in-vehicle navigation, e-touris