A practical analysis of communication characteristics for mobile and distributed pollution measurements on the road: Research Articles

Authors:
Sven Lahde;Michael Doering;Wolf-Bastian Pöttner;Gerrit Lammert;Lars Wolf
Affiliations:
Institute of Operating Systems and Computer Networks, Technische Universität Braunschweig, Mühlenpfordtstraβe 23, 38106 Braunschweig, Germany;Institute of Operating Systems and Computer Networks, Technische Universität Braunschweig, Mühlenpfordtstraβe 23, 38106 Braunschweig, Germany;Institute of Operating Systems and Computer Networks, Technische Universität Braunschweig, Mühlenpfordtstraβe 23, 38106 Braunschweig, Germany;Institute of Operating Systems and Computer Networks, Technische Universität Braunschweig, Mühlenpfordtstraβe 23, 38106 Braunschweig, Germany;Institute of Operating Systems and Computer Networks, Technische Universität Braunschweig, Mühlenpfordtstraβe 23, 38106 Braunschweig, Germany
Venue:
Wireless Communications & Mobile Computing - Wireless Ad Hoc and Sensor Networks
Year:
2007

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Abstract

Measuring environmental data in city areas has become an important issue for municipalities due to several climate directives. As fixed measuring stations are inflexible, cost-intensive, and limited to monitoring a specific spot, we developed a distributed environmental monitoring network called Environmental Monitoring in Metropolitan Areas (EMMA). This architecture is based on the delay tolerant networking approach and can be integrated into existing Public Transportation Networks (PTNs). Buses or other vehicles can be equipped with sensor nodes that gather data and forward messages. In order to evaluate the basic ideas of this project we performed a series of real-world experiments. Besides analyzing the behavior of 802.11-based Wireless Local Area Network (WLAN) between moving vehicles in a controlled environment, we also evaluated the communication performance in urban environments. Moreover, we examined the qualification of a Disruption Tolerant Networking (DTN) implementation for spreading measurement results throughout the network. The suitability of EMMA's architecture has been successfully demonstrated by these experiments. Copyright © 2007 John Wiley & Sons, Ltd.