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Processing the gathered information efficiently is a key functionality for wireless sensor networks. In this paper, we study the time complexity, message complexity (number of messages used by all nodes), and energy cost complexity (total energy used by all nodes for transmitting messages) of some tasks, such as data collection (collecting raw data of all nodes to a sink), data aggregation (computing...
Wireless sensor networks (WSNs) have attracted a lot of research attention. WSNs contain a large number of nodes that are capable of sensing, processing and transmitting environmental information. In this paper, object detection has been studied. For WSNs are composed of power-restrained nodes, so energy-efficiency is a key concern in WSNs. Balancing object detection performance and network lifetime...
Wireless sensor networks (WSNs) have attracted a lot of research attention which consist of a large number of sensors. Sensors are capable of sensing, processing and transmitting environmental information. Data collection and object detection are two main applications in WSNs. In this paper, object detection has been studied. By detecting persistent object and ephemeral object, we investigate in detail...
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