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In this paper, we develop a novel framework that attempts to reduce network traffic for error-bounded data collection in wireless sensor networks. In many sensor applications, it is acceptable that the monitoring results evaluated based on collected data might deviate from the exact results; as long as the error is bounded by a certain threshold. One well-known technique for error-bounded data collection...
Frequently appeared sensor faults greatly reduce the usability and reliability of sensor networks. Distributed automatous faulty sensor detection is critical for self-managed and sustainable sensor networks. A number of detection methods have been proposed for specific fault types. In this paper, we propose a general approach for detecting arbitrary types of faults. The approach includes a new general...
Many event-driven localization methods have been proposed as low cost, energy efficient solutions for wireless senor networks. In order to eliminate the requirement of accurately controlled events in existing approaches, we present a practical design using totally uncontrolled events for stationary sensor node positioning. The novel idea of this design is to estimate both the event generation parameters...
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