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Exploiting Mobility for Data Collection in Wireless Sensor Networks With Delay Reduction

【摘要】:正To design an energy efficient data collection scheme instead of multi-hop data relay is essential for Wireless Sensor Networks.To many proposed data gathering approaches,the long data delay is the main problem.In this paper,mobile collectors are introduced in a sensor network and a data collection mechanism is proposed.To organize sensors into three-level clusters,an energy efficient clustering algorithm is proposed.The collection strategy is based on the hierarchical structure and consists of two rules to schedule mobile collectors reasonably.Simulation results demonstrate that the data collection scheme effectively reduces the energy consumption and decrease the data delay.

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