Computer Science – Networking and Internet Architecture
Scientific paper
2009-08-02
International Journal of Computer Science and Information Security, IJCSIS July 2009, Vol. 3 No. 1, USA
Computer Science
Networking and Internet Architecture
7 pages, International Journal of Computer Science and Information Security, IJCSIS 2009, ISSN 1947 5500, Impact Factor 0.423
Scientific paper
This paper presents an applicability analysis over a novel integer programming model devoted to optimize power consumption efficiency in heterogeneous wireless sensor networks. This model is based upon a schedule of sensor allocation plans in multiple time intervals subject to coverage and connectivity constraints. By turning off a specific set of redundant sensors in each time interval, it is possible to reduce the total energy consumption in the network and, at the same time, avoid partitioning the whole network by losing some strategic sensors too prematurely. Since the network is heterogeneous, sensors can sense different phenomena from different demand points, with different sample rates. As the problem instances grows the time spent to the execution turns impracticable.
Coelho Andre L. V.
de Aguiar Alexei Barbosa
Neto Alvaro de M. S.
Pinheiro Placido Rogerio
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