Particle swarm optimization for the clustering of wireless sensors

Jason C. Tillett; Raghuveer M. Rao; Ferat Sahin; T. M. Rao

doi:10.1117/12.499080

23 July 2003 Particle swarm optimization for the clustering of wireless sensors

Jason C. Tillett, Raghuveer M. Rao, Ferat Sahin, T. M. Rao

Proceedings Volume 5100, Digital Wireless Communications V; (2003) https://doi.org/10.1117/12.499080
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

Clustering is necessary for data aggregation, hierarchical routing, optimizing sleep patterns, election of extremal sensors, optimizing coverage and resource allocation, reuse of frequency bands and codes, and conserving energy. Optimal clustering is typically an NP-hard problem. Solutions to NP-hard problems involve searches through vast spaces of possible solutions. Evolutionary algorithms have been applied successfully to a variety of NP-hard problems. We explore one such approach, Particle Swarm Optimization (PSO), an evolutionary programming technique where a 'swarm' of test solutions, analogous to a natural swarm of bees, ants or termites, is allowed to interact and cooperate to find the best solution to the given problem. We use the PSO approach to cluster sensors in a sensor network. The energy efficiency of our clustering in a data-aggregation type sensor network deployment is tested using a modified LEACH-C code. The PSO technique with a recursive bisection algorithm is tested against random search and simulated annealing; the PSO technique is shown to be robust. We further investigate developing a distributed version of the PSO algorithm for clustering optimally a wireless sensor network.

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Jason C. Tillett, Raghuveer M. Rao, Ferat Sahin, and T. M. Rao "Particle swarm optimization for the clustering of wireless sensors", Proc. SPIE 5100, Digital Wireless Communications V, (23 July 2003); https://doi.org/10.1117/12.499080

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