Sheridan, KevinDyjas, TomasBotteron, CyrilLeclère, JérômeDominici, FabrizioMarucco, Gianluca2011-03-172011-03-172011-03-172011https://infoscience.epfl.ch/handle/20.500.14299/65407For use in billing drivers in road-user charging schemes, onboard units employing GNSS must meet stringent reliability and availability requirements, and at the same time, be based on low-cost equipment systems. The SIGNATURE unit includes an assistance service which provides ephemeris data and corrections from EDAS, optimized for user location.GNSSEGNOSSIGNATUREEDASRoad-tollingDemands of the Road An Assisted-GNSS Solution Uses the EGNOS Data Access Servicetext::journal::journal article::research article