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Wireless sensor networks (WSNs) are often deployed in hostile and unattended environments; they are vulnerable to physical capture and compromise. In a node replication attack or a node clone attack, an adversary physically captures a sensor node, extracts cryptographic secrets from the node, and distributes a large number of replicas of captured node throughout the network, in order to launch a variety...
Video based monitoring system plays an important role in asset management. However, transmission of video data occupies large amount of bandwidth, especially in wireless communication environment. On the same time, searches and storage of video data is a troublesome problem in after-event investigation. This paper studies a non-video monitoring system which is based on RFID and sensors. The system...
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