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Renewable energy, such as solar radiation, can be used to extend the lifetime of a wireless sensor network (WSN) node. Such systems fundamentally change the problem of power scheduling. Instead of maximizing system lifetime with a fixed amount of energy as in battery-powered systems, the purpose of scheduling becomes the prevention of energy depletion at any given time. On the other hand, partial...
Wireless multimedia sensor networks (WMSNs) develop rapidly in recent years. Compared to traditional wireless sensor network (WSN), the WMSN is image-based and processing intensive. Such image-based WSN node normally has a serious conflict between the limited resource and the large amount of image data to be processing and transmitting. Additionally, the security is also a big problem when transmitting...
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