Using wireless sensor networks to support intelligent transportation systems

In this paper we propose a system architecture for enabling mobile nodes to query a largely deployed wireless sensor network in an intelligent transportation system scenario. We identify three different types of nodes in the network: mobile sinks (i.e. the nodes moving and querying the WSN), vice-si...

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Bibliographic Details
Published in:Ad hoc networks 2010-07, Vol.8 (5), p.462-473
Main Authors: Tacconi, David, Miorandi, Daniele, Carreras, Iacopo, Chiti, Francesco, Fantacci, Romano
Format: Article
Language:English
Subjects:
Architecture
Computer networks
Disconnected wireless sensor networks
Energy aware protocols
Geographic routing
Load balancing
Load balancing (computing)
Mobility management
Networks
Performance evaluation
Routing (telecommunications)
Sensors
Transportation systems
Vehicular communication
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Summary:In this paper we propose a system architecture for enabling mobile nodes to query a largely deployed wireless sensor network in an intelligent transportation system scenario. We identify three different types of nodes in the network: mobile sinks (i.e. the nodes moving and querying the WSN), vice-sinks (i.e. nodes able to communicate directly with mobile sinks) and ordinary sensor nodes (i.e. nodes sensing a phenomenon and communicating in a multihop fashion). We present protocols and algorithms specifically tailored to such a scenario, in particular at the MAC and network layers. Such a reference architecture well covers situations in which WSNs deployed in a parking place or along a road, provide to cars information on the conditions of the surrounding environment. We introduce and analyse a simple geographic routing protocol and two different load balancing techniques. The performance of the proposed solutions is evaluated through extensive simulations. The simple geographic routing is compared to load balancing techniques. Results support the capability of the proposed solutions to enable the introduction of novel intelligent transportation system applications.
ISSN:1570-8705
1570-8713
DOI:10.1016/j.adhoc.2009.12.007