On Complete Target Coverage in Wireless Sensor Networks With Random Recharging Rates

作者: Changlin Yang , Kwan-Wu Chin

DOI: 10.1109/LWC.2014.2367033

关键词: Stochastic programmingEnergy harvestingScheduleComputer scienceBattery (electricity)Computer networkKey distribution in wireless sensor networksMobile wireless sensor networkWireless sensor networkStochastic geometry models of wireless networks

摘要: A fundamental problem in Wireless Sensor Networks (WSNs) is determining the minimum active time of a set sensor nodes such that they monitor all targets for maximum time. However, existing solutions do not consider random recharging rates and staled battery level information, resulting an activation schedule realizable by nodes. Henceforth, we propose Stochastic Programming (SP) based approach considers levels. Experimental results show our SP achieves 80% theoretically achievable coverage lifetime.

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