北京城市高速公路无线交通信息采集系统

Proceedings. The IEEE 5th International Conference on Intelligent Transportation Systems Pub Date : 2002-09-03 DOI:10.1109/ITSC.2002.1041248

Dewang Chen, Xiaoyan Gong, C. Zheng

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引用次数: 10

摘要

分析了交通信息采集系统在城市高速公路交通控制系统中的重要性。比较了几种类型的交通检测器和数据传输方式的优缺点。对于目前的TICS，建议采用无线数据传输。考虑到工作原理、传输速度和成本等因素，选择CDPD (Cellular Digital Packet Data)网络来传输流量数据。根据RTMS (Remote Transportation Microwave Sensors)的精度实验结果和北京高速公路上的数据传输实验，提出了采用RTMS和CPPD组成TICS的方案是可行的。并给出了该无线检测系统的系统结构和功能描述。

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A wireless traffic information collection system in Beijing urban freeways

The importance of the traffic information collection system (TICS) in traffic control systems of urban freeways is analyzed. The advantages and disadvantages of some types of traffic detectors and data transmission methods are compared. For current TICS, wireless data transmission is suggested. In view of factors such as work principle, transmitting speed, and cost, the CDPD (Cellular Digital Packet Data) network is selected to transmit the traffic data. According to experimental results about the accuracy of RTMS (Remote Transportation Microwave Sensors) and data transmission experiments in Beijing freeways, the suggested scheme using RTMS and CPPD to compose TICS is feasible. Furthermore, the system structure and functional description of this wireless TICS are given.

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Proceedings. The IEEE 5th International Conference on Intelligent Transportation Systems

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