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Recently, the problem of using efficient limited number of mobile devices to go to charge and collect data of sensors such that sensors can work forever has received a great deal of attention in Wireless Rechargeable Sensor Network (WRSN). Many methods have been proposed for the WRSN systems such that mobile device can charge and collect data from sensors. However, most of previous works often require...
Recently, the major challenge in the design of wireless sensor networks is to enhance the network lifetime. Many researchers have studied the problem of constructing virtual backbones, which are the backbones used for different time periods, in order to prolong the network lifetime. In this paper, we study the problem of constructing virtual backbones in dual-radio wireless sensor networks to maximize...
Recently, sweep coverage, which is the problem of scheduling mobile sensors to periodically visit a certain number of points of interests (POIs) such that the number of mobile sensors is minimized and each of POIs can be visited periodically within a given time period, has received a great deal of attention in the wireless sensor networks. Many methods have been proposed for the sweep coverage to...
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