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http://dx.doi.org/10.12815/kits.2020.19.1.44

A Study on the Establishment of Quality Control Standards for Accuracy Improvement of DSRC Traffic Information System  

Hwang, Taehyun (Dept. of Electronic Eng., Univ. of Inha)
Won, Insu (Platform Laboratory, Institute of Convergence Technology, kt)
Kwon, Jangwoo (Dept. of Computer Eng., Univ. of Inha)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.19, no.1, 2020 , pp. 44-57 More about this Journal
Abstract
A dedicated short-range communications (DSRC) traffic information system is a detection system for a section of road using communication between roadside equipment and on-board High-Pass units to collect road traffic information and provide reliable traffic information to drivers. The Ministry of Land, Infrastructure, and Transport announced that a DSRC system must be supported to pass the performance evaluation of an intelligent transportation system (ITS), and the performance evaluation for DSRC systems installed in expressways and national highways is started. Currently, DSRC traffic information systems are only managed for maintenance and functional-monitoring purposes, which means that detailed criteria for the operation of a DSRC traffic information system, such as communication range, the direction of the antenna, and the power of the radio wave, etc., need to be established. In this paper, the criteria of the performance evaluation of a DSRC traffic information system are presented for different road types and road environments. The proposed performance evaluation criteria included the communication range and communication power of roadside equipment. In addition, installation criteria, such as the direction of the antenna, and the height and angle of the installed system, are presented for different road types and road environments. The criteria presented were evaluated for DSRC roadside equipment and documented to improve system maintenance and quality control of the communication system.
Keywords
DSRC traffic information system; Communication range; RSSI; Performance evaluation; Quality Control Standards;
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