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Wireless Sensor Networks (WSNs) constitute one of the recent technologies which are used to monitor and analyze large-scale, real-world phenomena, a bridge between the physical world and the information technology's need of situational awareness. One major requirement of WSNs is information transmission: sensors communicate useful environmental data to one or more resourced Base Stations (BS or sinks). The simplest WSN topology allowing this communication is the single-hop star, feasible when all sensor nodes can communicate directly with the sink.
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