A Privacy-Preserving Intra-Cluster Data Aggregation Method in Wireless Sensor Networks

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Abstract:

The self-organizing nature of its architecture of wireless sensor networks (WSNs) introduce unique challenges for privacy preservation of data. This paper analyzes the cluster-based private data aggregation protocol (CPDA), and proposes a privacy protection protocol based on hierarchical cluster. We firstly reorganize nodes in cluster according to the logic structure of binary-tree in which each node transmits slice data instead of the full one. And then, we establish the hierarchical privacy tree to manage the group of keys, which purpose is privacy protection in case of data aggregation.

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773-778

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January 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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