Method for electing aggregator nodes in a network

Multiplex communications – Network configuration determination – Using a particular learning algorithm or technique

Reexamination Certificate

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C370S328000, C370S338000, C370S252000, C713S189000

Reexamination Certificate

active

07907548

ABSTRACT:
A method for electing aggregator nodes in a network, wherein the network includes a plurality of sensor nodes to measure data, and at least one of the sensor nodes functioning as aggregator node to aggregate sensored data obtained by at least a subset of the sensor nodes, the network further including at least one sink node to collect data aggregated by the aggregator nodes, the method including: establishing pairwise secret keys between a current aggregator node and each sensor node of the subset of sensor nodes; at each of the sensor nodes of the subset, choosing a random number and encrypting the random number using the established key; providing a communication chain between the sensor nodes of the subset and summing the encrypted random numbers of all sensor nodes of the subset; and determining a new aggregator node on the basis of the resulting sum according to a predefined calculation scheme.

REFERENCES:
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