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An Experimental Study on the Application of NTCIP to Korean Traffic Signal Control System  

Go, Gwang-Yong (도로교통안전관리공단)
Jeong, Jun-Ha (도로교통안전관리공단)
Lee, Seung-Hwan (아주대학교 환경건설교통공학부)
An, Gye-Hyeong (아주대학교 건설교통공학과)
Publication Information
Journal of Korean Society of Transportation / v.24, no.5, 2006 , pp. 19-33 More about this Journal
Abstract
This paper presents the results of an experimental study on the application of NTCIP protocol to Korean traffic signal control system. For this study the communication Protocol of the existing traffic signal control system was adjusted to meet NTCIP standard. Management information base for Korea real-time traffic signal control system, message library of OER, traffic control center management software supporting SNMP/SFMP Protocol, and agent softwares for local controllers were developed during the experimental study. The applicability test of the adjusted system by NTCIP standard was performed. Fifty eight Percent of communication packets were lost at 2.400bps communication speed, which made the operation impossible. The experimentations with communication speeds 4,800bps and 9,600bps did not cause problems. In conclusion, to apply the NTCIP standard to domestic real-time traffic control system, communication environments need to be upgraded to 4,800bps or higher.
Keywords
NTCIP; SNMP; STMP; SFMP; COSMOS;
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