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Based on internet of things and communication technology, this paper puts forward the overall architecture of dynamic monitoring system in the high slope and monitoring equipment technology system. High slope monitoring project in Southwest mountain was set an example to propose the dynamic monitoring scheme of the high slope. On the basis of long-term monitoring data, studying the prediction model,...
Mobile crowdsensing is a new paradigm in which a group of mobile users exploit their carried smart devices to cooperatively perform a large-scale sensing job over urban environments. In this paper, we focus on the Deadline-sensitive User Recruitment (DUR) problem for probabilistically collaborative mobile crowdsensing, in which mobile users perform sensing tasks with certain probabilities, and multiple...
Growing demand for more powerful yet smaller devices has resulted in continuous scaling of fabrication technologies. While this approach supports aggressive design specifications, it has resulted in tighter constraints for circuit designers who face yield losses in analog / RF ICs due to process variation. Over the last few years, several statistical techniques have, therefore, been proposed to counter...
Wireless sensor networks (WSNs) have been widely deployed for environmental monitoring and urban sensing applications. With the advancement of mobile phones, mobile users have increasing demands for sensing data relevant to their locations and activities. It is crucial to support reliable ubiquitous sensing for mobile users to retrieve sensing data of their interests anytime and anywhere. In this...
With the popularity and advancements of smart phones, mobile users can interact with the sensing facilities and exchange information with other wireless devices in the environment by short range communications. Opportunistic exchange has recently been suggested in similar contexts; yet we show strong evidence that, in our application, opportunistic exchange would lead to insufficient data availability...
It is significant to deploy a mobile sensor network periodically sweeping from the upriver to the downriver to monitor the water quality of the third large river in China. An important problem in this network is how to maximize the dynamic coverage efficiency while maintain the connectivity of network. To solve this problem, we borrow the idea of flocking-birds model in artificial life field and propose...
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