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Geographic routing is promising in wireless sensor network because its efficiency and scalability. However, none of the proposed geographic routing algorithms has been implemented in real sensor network application yet. The standard model for geographic routing represents sensor network by an \textit{Unit Disk Graph} (UDG), where each sensor node is assumed with the same communication radius. Then,...
Markov Model has been proved its feasibility of predicting the energy state of sensor nodes. Thus, user can monitor sensor nodes energy state in real-time without querying them frequently. However, a stationary state transition probability is required to apply Markov Model, which means the prediction is only applicable to schedule-driven sensor networks rather than trigger-driven sensor networks....
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