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http://dx.doi.org/10.12815/kits.2021.20.2.15

Study on Improvement of Connected Vehicles Interface Board and Transition Algorithm of Digital Traffic Signal Controller for Autonomous Vehicles and C-ITS  

Ko, Sejin (Development Team of R&D Center, Suhdol E&C)
Choi, Eunjin (Traffic Science Institute, Road Traffic Authority)
Gho, Gwang-Yong (Traffic Science Institute, Road Traffic Authority)
Han, Eum (Traffic Science Institute, Road Traffic Authority)
Yun, Ilsoo (Dept. of Transportation Eng. Ajou University)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.20, no.2, 2021 , pp. 15-29 More about this Journal
Abstract
The signal intersection is the most challenging space for autonomous vehicles. To promote the safe driving of autonomous vehicles on urban roads with traffic signals, autonomous vehicles need to receive traffic signal information from infrastructure through V2I communication. Thus, a protocol for providing traffic signal information was added to the standard traffic signal controller specification of the National Police Agency. On the other hand, there are technical limitations when applying this to digital traffic signal controllers because the protocols are defined mainly for analog traffic signal controllers. Therefore, this study proposes developing a signal information linkage module to provide traffic signal information from a digital traffic signal controller to an autonomous vehicle and an algorithm improvement method that can provide accurate traffic signal information at the time of traffic signal transition.
Keywords
Automated connected driving; Digital traffic signal controller; Connected vehicles interface board; Connected vehicles interface module; Transition;
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