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For 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.
Jan Skaloud, Aman Sharma, Gabriel François Laupré
Giovanni De Cesare, Paolo Perona, Robin Schroff