Optimal topologies for wireless sensor networks

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dc.contributor.author Tillett, Jason
dc.contributor.author Yang, Shanchieh
dc.contributor.author Rao, Raghuveer
dc.contributor.author Sahin, Ferat
dc.date.accessioned 2009-11-11T15:30:06Z
dc.date.available 2009-11-11T15:30:06Z
dc.date.issued 2004-10
dc.identifier.citation Proceedings of SPIE European Symposium on Optics and Photonics in Security and Defense (Unmanned / Unattended Sensors and Sensor Networks Conference), vol. 5611, London, U.K., October 2004 en_US
dc.identifier.uri http://hdl.handle.net/1850/10757
dc.description.abstract Since untethered sensor nodes operate on battery, and because they must communicate through a multi-hop network, it is vital to optimally configure the transmit power of the nodes both to conserve power and optimize spatial reuse of a shared channel. Current topology control algorithms try to minimize radio power while ensuring connectivity of the network. We propose that another important metric for a sensor network topology will involve consideration of hidden nodes and asymmetric links. Minimizing the number of hidden nodes and asymmetric links at the expense of increasing the transmit power of a subset of the nodes may in fact increase the longevity of the sensor network. In this paper we explore a distributed evolutionary approach to optimizing this new metric. Inspiration from the Particle Swarm Optimization technique motivates a distributed version of the algorithm. We generate topologies with fewer hidden nodes and asymmetric links than a comparable algorithm and present some results that indicate that our topologies deliver more data and last longer. en_US
dc.language.iso en_US en_US
dc.publisher SPIE en_US
dc.relation.ispartofseries vol. 5611 en_US
dc.subject Particle swarm optimization en_US
dc.subject Topology control en_US
dc.subject Wireless sensor networks en_US
dc.title Optimal topologies for wireless sensor networks en_US
dc.type Proceedings en_US

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