Abstract
A sensor network consists of a large number of small, low-cost devices with sensing, processing and transmitting capabilities. The sensor nodes have limited battery power; therefore energy efficiency is a critical design issue. In this paper we propose to move the sink node, called Base Station (BS) so as to decrease the energy consumption of the whole network. We present two possible strategies to move the BS: the first one minimizes the average consumed energy, while the other one minimizes the maximum transmission energy for every active sensor. To evaluate the performance of the two strategies, we compare these with the case, when the BS is deployed in a fixed position. Simulation results show that the proposed processes can reduce energy consumption, thereby significantly extending the lifetime of the entire sensor network.
This work has been partly supported by the European Union under the E-Next Project EP6-506869 and by the Inter-University Centre for Telecommunications and Informatics.
A. Vidács is with the Research Group for Informatics and Electronics of the Hungarian Academy of Sciences, grantee of the János Bolyai Scholarship.
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Vass, D., Vincze, Z., Vida, R., Vidács, A. (2006). Energy Efficiency in Wireless Sensor Networks Using Mobile Base Station. In: Kloos, C.D., Marín, A., Larrabeiti, D. (eds) EUNICE 2005: Networks and Applications Towards a Ubiquitously Connected World. IFIP International Federation for Information Processing, vol 196. Springer, Boston, MA. https://doi.org/10.1007/0-387-31170-X_13
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DOI: https://doi.org/10.1007/0-387-31170-X_13
Publisher Name: Springer, Boston, MA
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