Glossary

• REPOSIT: Stands for "RElative POSitioning for collIsion avoidance sysTems". In short, how to detect collisions by using Relative GNSS.
• Absolute GNSS (GNSS): Means usage of a common navigator working alone. Usual accuracies obtained by using absolute GNSS ranges from 5 meters to 15 meters in suburban and clear sky escenarios.
• Relative GNSS (RGNSS): Means mixing the information up of at least two GNSS receivers. This method is able to enhance accuracy of relative distances to typically submeter levels for short baselines. In REPOSIT, thanks to the wireless link it is possible to use this Relative GNSS approach.
• Collision Avoidance System (CAS): Includes the active algorithms to detect in advance potential collisions. Due to the fact that these algorithms are anticipating the future, of utmost importance to check out the goodness of the CAS system is to verify which Failure Rates and Misdetection rates does the CAS module cope with.
• Vehicle to Vehicle Communication (V2V): It is a wireless link to interchange information among vehicles. It is expected to be optimised for moving dynamic nodes against fading effects and power changes.

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