Wireless telemedicine and m-health: technologies, applications and research issues
International Journal of Sensor Networks
The effect of leaders on the consistency of group behaviour
International Journal of Sensor Networks
Towards a theory for privacy preserving distributed OLAP
Proceedings of the 2012 Joint EDBT/ICDT Workshops
Error analysis of range-based localisation algorithms in wireless sensor networks
International Journal of Sensor Networks
Energy-efficient tree-based cooperative data aggregation for wireless sensor networks
International Journal of Sensor Networks
Implementation of privacy-friendly aggregation for the smart grid
Proceedings of the first ACM workshop on Smart energy grid security
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In this paper, we present a distributed incremental data aggregation approach, in which data aggregation is performed at all smart meters involved in routing the data from the source meter to the collector unit. With a carefully constructed aggregation tree, the aggregation route covers the entire local neighbourhood or any arbitrary set of designated nodes with minimum overhead. To protect user privacy, homomorphic encryption is used to secure the data enroute. Therefore, all the meters participate in the aggregation, without seeing any intermediate or final result. In this way, our approach supports efficient data aggregation in smart grids, while fully protecting user privacy. This approach is especially suitable for smart grids with repetitive routine data aggregation tasks.