ACM Transactions on Embedded Computing Systems (TECS)
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In this paper, we look for feasible solutions for power stretch of clusterheads. The method we propose is to distribute the task of data collection to some non-CH nodes in the cluster. We introduce the notion of partaker nodes. The partakers' role in a cluster is to assist the CH in the routine job of data collection. Instead of having CH alone collect data from all sensors in the cluster, a certain number of partaker nodes participate in data collection. They will help collect the raw data, and perform initial data aggregation/ processing before transferring data to the CH.With partakers, a portion of power consumed by CHs is distributed to partakers. The power consumption of CHs can be reduced to various extents depending on the number of partakers. Although the work in the current paper is done with an WSN model of regular topology, the idea of partaker nodes lends itself well to WSNs of more arbitrary structures.