Nonuniform node deployment makes the cluster-based routing protocol less efficient in wireless sensor networks (WSNs). Energy\naware distributed clustering (EADC) is one of the cluster-based routing protocols proposed for networks with nonuniform node\ndistribution, which can effectively balance the energy consumption among the nodes. However, due to the nonuniform node\ndistribution, there is a redundancy in sensed and transmitted data in dense area. This unnecessary energy consumption is not\nconsidered in EADC. Therefore, in this paper, a new algorithm called scheduled activity EADC (SA-EADC) is proposed. SAEADC\nexploits the redundant nodes and turns them off for the current round. The redundant nodes are scheduled based on their\nresidual energy to work alternatively.The results show that SA-EADC significantly decreases the energy consumption and extends\nthe network lifetime without degradation in coverage and sensing reliability of the network.
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