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In this paper, a kind of novel alarming access scheme is proposed for the pervasive and mobile healthcare application. This algorithm makes use of the wasted bandwidth in Contention Free Period in order to reduce transmission latency of alarming packets. The performance evaluation shows that this scheme can reduce the delay time of the alarming frame, especially in handling the time-critical problem...
This paper presents an artificial ant colony approach to distributed sensor wakeup control (SWC) in wireless sensor networks (WSN) to accomplish the joint task of surveillance and target tracking. Each sensor node is modeled as an ant, and the problem of target detection is modeled as the food locating by ants. Once the food is found, the ant will release pheromone. The communication, invalidation,...
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