Abstract
In wireless sensor networks or WSNs, data aggregation as one of the most important techniques aims to refine the transmitted data and reduce the communication overhead between sensor nodes so as to improve the sensing efficacy as well as enhance the life span of the whole network. In this article, we first present the current study of reputation/trust schemes and data aggregation methods in WSNs, then according to the analysis of the study, a reputation based data aggregation method is proposed in this research, in which energy residual is considered and incorporated as a parameter together with reputation value as a measurement to select data aggregators. Simulations show that our method can balance the energy consumption of sensor nodes and provide reliability to the data aggregation in wireless sensor networks.
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