Patent ID: 7505850
Filing Date: 2009-03-17
Classification: G08G

Abstract:
1. An apparatus for preventing a collision of vehicles at a crossroad in a network environment configured with a plurality of sensor nodes installed on roads connected to the crossroad, the apparatus comprising: an information generating means installed at each road forming the crossroad for generating real-time vehicle information by integrating vehicles' information including a speed and a position provided from the vehicles on each of the roads to the plurality of sensor nodes on the roads and traffic sign information; and an information collecting and providing means for providing the traffic sign information to the information generating means, collecting vehicles' information in real-time from the information generating means of a predetermined road near the crossroad, storing the collected information, and providing the collected information to vehicles approaching the crossroad through another road of the crossroad such that the vehicles can predict a collision occurring in a danger area located within the crossroad.