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In delay-tolerant networks (DTNs), stable end-to-end connections do not always exist. Messages are forwarded, assisted by the mobility of nodes, in a store–carry–forward paradigm. The mobility of nodes in most DTNs has a certain statistical regularity; thus, using historical information in DTNs to compute the delivery quality of nodes can help to select good forwarding nodes. This paper aims to establish...
Based on fast wake-up ONU, an intra-cycle sleep mechanism is proposed to perform energy conservation with little degradation of QoS even under heavy traffic load in 10G-EPON. Both mathematical analysis and comparative simulation are performed.
The equivalent circuit and the mathematical model are obtained for the capacitive output filter series-parallel resonant converter by a fundamental model approximation (FMA) method in this paper. Based on them, a Pareto multi-objective optimization with genetic algorithm is applied to improve the output characteristics of the converter. With finegrained fitness assignment strategy and density estimation,...
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