A Survey on Privacy Preserving Data Aggregation Protocols forWireless Sensor Networks

Joyce Jose, Josna Jose, M. Princy


The data aggregation is a widely used mechanism in Wireless Sensor Networks (WSNs) to increase lifetime of a sensor node, send robust information by avoiding redundant data transmission to the base station. The privacy preserving data aggregation is a challenge in wireless communication medium as it could be eavesdropped; however it enhances the security without compromising energy efficiency. Thus the privacy protecting data aggregation protocols aims to prevent the disclosure of individual data though an adversary intercept a link or compromise a node’s data. We present a study of different privacy preserving data aggregation techniques used in WSNs to enhance energy and security based on the types of nodes in the network, topology and encryptions used for data aggregation.


data integrity, homogeneous networks, heterogeneous networks, privacy preserving data aggregation, wireless sensor networks, data privacy, end to end data aggregation, hop by hop aggregation

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DOI: https://doi.org/10.2498/cit.1002318

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