Abstract
Privacy preserving plays an important role in application of the Internet of Things(IoT).As a part of the IoT,Wireless Sensor Networks(WSNs) should provide the privacy preserving in data aggregation.This paper presents a novel energy-saving private-preserving aggregation scheme(ESPART) for WSNs,which uses characteristic of the data aggregation tree structure to reduce communication overhead,assigns the random time pieces to nodes to avoid collision,and limits the scope of collusion data to reinforce data_loss resilience.Compared with the SMART algorithm,the simulation results show that ESPART can preserve data privacy,get accurate data aggregation results while taking the same epoch duration as TAG,and have less communication overhead.
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