Urban transportation inefficiency at signalized intersections has been a complicate problem for decades and speed guidance is a classic and widely used method for traffic optimization at signalized intersections. With the emergence of vehicular networks and intelligent vehicular infrastructure cooperative systems, frequent information communication can be established between all the traffic units and precise speed guidance notification will be available to help traffic participants make better decisions. In this paper, we proposed a speed guidance model based on vehicular networks from most simplicity to generality: from single-vehicle situation to pair situation, then to cluster situation. We focus on the comfortability of driving (minimization of acceleration rate) in single-vehicle situation, the safety distance in pair situation, and communication quality in cluster situation. An information propagation algorithm is proposed in cluster situation to ensure most car receive speed guidance information successfully.
Vehicular Networks Communication Analysis and Speed Guidance at Signalized Intersections
International Conference on Transportation and Development 2018 ; 2018 ; Pittsburgh, Pennsylvania
2018-07-12
Conference paper
Electronic Resource
English
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