Simulation scalability issues in wireless sensor networks.
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AuthorEgea López, Estebán
Knowledge AreaIngeniería Telemática
SponsorsThis work has been funded by the Economy, Industry and Innovation Council, with the SOLIDMOVIL project (2I04SU044), by Fundacion Seneca with the ARENA Project (00546/PI/04), both of them from the Region of Murcia, and by the Spanish Research Council with the ARPaq project (TEC2004-05622-C04-02/TCM).
PublisherIEEE Institute of Electrical and Electronics.
Bibliographic CitationEGEA LÓPEZ, E., VALES ALONSO, J., SANTOS MARTÍNEZ, A.,PAVÓN MARIÑO, P., GARCÍA HARO, J. Scalability issues in wireless sensor networks. IEEE Communications Magazine, vol.44(7): 64-73, July 2006. ISSN 0163-6804.
KeywordsWireless sensor networks
The formidable growth of WSN research has opened challenging issues about their performance evaluation. Despite the steady increase in mathematical analysis and experimental deployments, most of the community has chosen simulation for their study. Although it seems straightforward, this approach becomes a quite delicate matter. Complexity is caused by several issues. First, the large number of nodes heavily impacts simulation performance and scalability. Second, credible results demand an accurate characterization of the sensor radio channel. New aspects, inherent in WSN, must be included in simulators, e.g. a physical environment and an energy model, leading to different degrees of accuracy versus performance. Moreover, many necessary models are in the continuous-time domain (e.g. heat transmission, battery discharge), being complex to integrate into discrete event network simulators. These issues result in an exponential growth of the overall network state information. Through ...
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