This paper presents the CoVeL system which aims to reach lane-level localization accuracy for Advanced Driver Assistance Systems. It highlights the potential of using raw GPS measurements in a cooperative system together with a highaccurate digital map. The focus of this paper is on the definition and the implementation of the Car-to-Car message extensions needed to transmit GPS measurements between vehicles. Furthermore, the integration of EGNOS/EDAS satellite corrections into C2C communication is motivated and shown. Finally, this work demonstrates how new communication technologies can successfully contribute to enhanced localization accuracy.
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