Tagless Tolling Using DSRC for Intelligent Transport System: An Interference Study

2017 Asia Modelling Symposium (AMS) Pub Date : 2017-12-01 DOI:10.1109/AMS.2017.33

Hamish Koelmeyer, S. Kandeepan

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引用次数: 3

Abstract

Modern electronic tolling systems consists of on board units (OBUs) or tags that are carried in a vehicles and has a unique code that is used to identify a customer account. The wireless communications between the on-board unit or tag and road side unit is the most critical function. The DSRC communication technology intended for vehicle safety applications in Intelligent Transport Systems which can be used for applications such as tolling and is expected to be integrated into all new vehicles manufactured in the future. A design for tagless tolling system using DSRC to communicate with an OBU instead of tags is presented in this report. Analysis of the wireless signal propagation at 5.9GHz for a model of a 4 lane tolling point is completed using a simulation in MATLAB. The Signal-to-Interference ratio is used to characterise the quality of the wireless channel under shadowing. Results of the simulation show that co-channel interference from communications in adjacent lanes is a significant problem especially in multi lane free flow tolling points. Outage probability calculations show a small communications zone close to the gantry that can be used to complete the tolling transactions.

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基于DSRC的智能交通系统无标签收费:干扰研究

现代电子收费系统由车载单元(OBUs)或车辆携带的标签组成，并具有用于识别客户账户的唯一代码。车载单元或标签与路边单元之间的无线通信是其中最关键的功能。DSRC通信技术旨在用于智能交通系统中的车辆安全应用，可用于收费等应用，预计将集成到未来制造的所有新车中。本文介绍了一种使用DSRC与OBU通信而不是标签的无标签收费系统的设计。通过MATLAB仿真，对一种4车道收费点模型在5.9GHz频段的无线信号传播进行了分析。信号干扰比用于表征阴影下无线信道的质量。仿真结果表明，在多车道自由流收费点，来自相邻车道通信的同道干扰是一个重要的问题。中断概率计算显示，靠近门框的一个小通信区域可以用来完成收费事务。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 Asia Modelling Symposium (AMS)

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