Abstract:Clustering is one of the techniques used in Wireless Sensor Networks (WSNs) to enhance the network lifetime. Network lifetime can further be improved by reducing the number of computations performed by cluster members and cluster head. This paper presents two low cost key establishment schemes for clustered sensor networks which use binomial trees for managing the clusters: BLKH (Binomial tree based Logical Key Hierarchy) scheme and BWLKH (Binomial tree based Wireless Logical Key Hierarchy) scheme. The propose… Show more
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