KISTI Institutional Repository: A Secure Cluster Formation Scheme in Wireless Sensor Networks

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This item is licensed Korea Open Government License

dc.identifier.uri: http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=NART80176411

dc.description.abstract: Inwirelesssensornetworks,clusteringexpeditesmanydesirablefunctionssuchasloadbalancing,energysavings,distributedkeymanagement,andsoon.Forsecureclustering,itisveryimportanttofindcompromisednodesandremovethemduringtheinitialclusterformationprocess.Ifsomenodesarecompromisedandsurvivethecensorshipprocess,theycanmakesomenodeshaveadifferentclusterviewandcansplitaclusterintomultipleclusterstodeteriorateclusterqualityasawhole.Toresolvetheseproblems,weproposearobustschemeagainstsuchattacksinthispaper.First,ourschemegenerateslargesizedclusterswhereanytwonodesareatmosttwohopsawayfromeachothertoraisethequalityofclusters.Second,ourschemeemploystheverificationoftwohopdistantnodestopreservethequalityofthelargesizedclustersandrefrainsfromsplittingtheclusters.Last,ourschemeprefersbroadcasttransmissionstosavetheenergyofnodes.Securityanalysisprovesthatourschemecanidentifycompromisednodesandpreservestheclustermembershipagreementagainstthecompromisednodes.Inaddition,simulationresultsprovethatourschemegeneratesfewerclustersandismoresecureandenergy-efficientthantheschemeproducingonlysmallsizedclusters.