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Long-haul sensor networks are deployed in a wide range of applications from national security to environmental monitoring. We consider target tracking over a long-haul sensor network, wherein state and covariance estimates are sent from sensors to a fusion center that generates a fused state. Fusion serves as a viable means to improve the estimation performance to meet the system requirement on accuracy...
We consider a long-haul network in which sensors are remotely deployed and tasked to send state estimates of a dynamic target to the fusion center via satellite links. Due to severe loss and delay inherent in satellite channels, the number of estimates successfully arriving at the fusion center can be quite limited. A certain retransmission-based transport protocol can be applied so that lost messages...
Network virtualization has been proposed as a powerful vehicle for running multiple customized networks on a shared infrastructure. Virtual network embedding is a critical step for network virtualization that deals with efficient mapping of virtual nodes and virtual links onto the substrate network resources. Previous work in virtual network embedding primarily focused on designing heuristic algorithms...
With the development of ethernet technology, the requirement of time synchronization is becoming higher and higher on the distributed ethernet monitoring system. According to the requirement of bridge structure monitoring system, the distributed solution based on IEEE1588 protocol is presented after the research of IEEE1588 protocol and the explanation of principle on high precision synchronization...
Multipath inter-domain routing can solve many technical flaws which have been exposed in BGP, but the market-driven factors have more direct relationship with its deployment. In order to analyze impact of these market-driven elements, this paper established an optimization model for Internet service provider (ISP) revenues based on user's utility function. Then, the solution using Lagrange multiplier...
Video signal processing algorithms are characterized by high computational complexity and high memory throughput. Since the multicore architectures can provide high computational capacity and high throughput, they suit the video processing applications very well. However, it is very difficult to deal with the increasing design complexity and cost of the multicore system. For video processing application,...
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