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Road traffic monitoring using a wireless vehicle sensor network

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3 Author(s)
Eng-Han Ng ; School of Computer Engineering, Nanyang Technological University, Singapore 639798 ; Su-Lim Tan ; Jesus Garcia Guzman

With the advancement of micro-electro-mechanical systems (MEMS) technologies, wireless sensor networks have opened new vistas for a wide range of application domains. These sensor nodes usually comprise small, low-power devices that integrate sensors and actuators with limited on-board processing and wireless communication capabilities. One of the most important applications is target tracking and monitoring. Here a novel wireless vehicle monitoring system that is able to detect, classify and determine the direction of travel of vehicles on a two-lane road is proposed. Each vehicle detection node features multiple sensors including magnetometer, accelerometer, infrared and acoustic microphone with a two-node structure for cooperative monitoring. The results show that the system was capable of classifying the vehicle type (using vehicle weight) and their directional of travel with high accuracy.

Published in:

Intelligent Signal Processing and Communications Systems, 2008. ISPACS 2008. International Symposium on

Date of Conference:

8-11 Feb. 2009