RideSharing: Fault Tolerant Aggregation in Sensor Networks Using Corrective Actions

  title={RideSharing: Fault Tolerant Aggregation in Sensor Networks Using Corrective Actions},
  author={Sameh Gobriel and Sherif M. Khattab and Daniel Moss{\'e} and Jos{\'e} Carlos Brustoloni and Rami G. Melhem},
  journal={2006 3rd Annual IEEE Communications Society on Sensor and Ad Hoc Communications and Networks},
In wireless sensor networks (WSNs), the users' objective is to extract useful global information by collecting individual sensor readings. Conventionally, this is done using in-network aggregation on a spanning tree from sensors to data sink. However, the spanning tree structure is not robust against communication errors; when a packet is lost, so is a complete subtree of values. Multipath routing can mask some of these errors, but on the other hand, may aggregate individual sensor values… CONTINUE READING
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