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In wireless sensor networks, the sensor data are often aggregated en-route to the base-station in order to eliminate redundancy and conserve the network resources. The basestation not only acts as a destination for the upstream data traffic, but it also configures the network by transmitting commands downstream to nodes. The data delivery latency is a critical performance metric in time-sensitive...
In-network aggregation is employed to cut on redundancy and conserve the network resources. To meet the criticality and responsiveness goals, the aggregated data are to be disseminated to the base-station reliably while reducing the delivery latency. In this paper, a novel approach is proposed for Reliable Multi-channel Scheduling for timely dissemination of Aggregated data (RMSA). RMSA strives to...
In wireless sensor networks, in-network data aggregation filters out redundant sensor readings in order to reduce the energy and bandwidth consumed in disseminating the data to the base-station. In this paper, we investigate the problem of reliable collection of aggregated data with minimal latency. The aim is to form an aggregation tree such that there are k disjoint paths from each node to the base-station...
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