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Sensor Networks for Monitoring Traffic

机译:用于监控流量的传感器网络

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摘要

Traffic surveillance is currently performed with inductive loop detectors and video cameras for the efficient management of public roads. This paper proposes an alternative traffic monitoring system using wireless sensor networks that offers high accuracy and lower cost compared. The system consists of two parts: wireless sensor network and access point. Traffic information is generated at the sensor nodes and then transferred to the access point over radio. Our prototype called Traffic-Dot achieves vehicle detection accuracy of 97% and accurately measures speed with a node pair. The communication protocol PEDAMACS (Power Efficient and Delay Aware Medium Access Protocol for Sensor Networks) is shown to increase the lifetime of the system up to several years while still guaranteeing the timely arrival of information from the sensor nodes to the access point.
机译:目前,交通监控使用感应环路探测器和摄像机进行,以有效管理公共道路。本文提出了一种使用无线传感器网络的交通监控系统,与之相比,它具有更高的准确性和更低的成本。该系统由两部分组成:无线传感器网络和接入点。交通信息在传感器节点处生成,然后通过无线电传递到接入点。我们的原型称为Traffic-Dot,可实现97%的车辆检测精度,并通过一个节点对精确测量速度。所示的通信协议PEDAMACS(用于传感器网络的高能效和延迟感知媒体访问协议)可以将系统的使用寿命延长至数年,同时仍保证信息能够及时从传感器节点到达接入点。

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