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Multimedia sensor network (MSN) has been deployed in many fields owing to its reliability, flexibility and availability of multimedia data. Correspondingly more challenges draw into the QoS guarantee research. In this paper, we establish a comprehensive performance analytical framework for MSN considering both the traffic self-similarity and stochastic service curve of MSN with S-MAC protocol based...
There are kinds of Internet applications such as VoIP, online gaming and video Conferencing which need quality of service guarantees making the performance analysis critical, and the traffic of such applications usually exhibits the properties of self-similarity and heavy tail. In this paper, we use the generalized Stochastically Bounded Burstiness model to characterize the network traffic with self-similar...
In resource-limited wireless sensor networks(WSNs), network resource will run out soon due to communication of mass redundant data. We employ Network Coding as an effective in-network processing strategy to reduce the data transmission amount. With this concern, a comprehensive Network-Calculusbased analytical framework for Cluster-tree WSNs involving network coding is established in this paper. To...
Inspired by the idea of cross-layer analysis and Network Calculus theory, an analytical model for wireless network, which combines the essential knowledge of both, is proposed in this paper by mapping the characteristic of network layer, link layer and physical layer into concatenation of a sequence of Network Calculus components. In addition, the effect of terminal mobility has been considered in...
Trust models studied before evaluated trust degree by the previous interactions of entities in ad hoc networks within a protocol. However, this way is not accurate and difficult to decide the trust value. The basic difficulty lies in the fact that trust information is often fuzzy and incomplete in an open network environment. The performance of mobile ad hoc network also is constrained by residual...
This paper studies the stabilization problem for a class of networked control systems (NCSs) with communication constraints and random packet dropouts. The considered plant is equipped with multiple sensor nodes and actuator nodes. Only one of them can communicate with the controller at each transmission instant due to the communication constraints, and packet dropouts may occur at each transmission...
A concentrator-based load balancing multi-path self routing switching fabric(LB-MPSR-C) was proposed recently, which was based on sorting concentrators, load-balanced and Birkhoff von-Neumann switching theory. This structure can achieve 100% throughput under admissible traffic pattern, its scalability for super large scale switching system and property of lowest hardware complexity have been deeply...
The Hinfin control problem is studied in this paper for networked control systems (NCSs) with short time-varying delays. By considering state feedback controllers, the closed-loop NCS is described as a discrete-time linear uncertain system model, and the uncertain part reflects the effect of the variation nature of the network-induced delays on the system dynamics. Then, a sufficient condition is...
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