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.The goal of SAFESPOT (FP6-2004-IST-4 026963 Cooperative systems for road safety „Smart vehicles on smart roads”) project was to develop a system increasing road traffic safety level by supporting driver decisions. UWB Systems Group members took part in SINTECH (SAFESPOT Innovative Technologies) subproject activities related to vehicles localization

The USG activities resulted in the development of UWB localization system demonstrator composed of:

  • UWB transmitters (IPU – Infrastructure Positioning Units) attached to the road infrastructure in fixed positions,
  • UWB receivers ( VPU – Vehicle Positioning Units) located in vehicles.

The vehicle location is determined using TDOA (Time Difference of Arrival) technique. System architecture is shown in Fig 1.


Fig. 1. Localization system architecture