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In this paper, we present a fully distributed cross-layer algorithm with delay constraint in order to support real-time multimedia services in cooperative networks. The Network Utility Maximization problem is decomposed into congestion-contention control subproblem in the link layer and routing subproblem in the network layer. We design an End-to-end delay framework for modeling delay constraint in...
Service composition is an effective approach for multimedia delivery in pervasive environment. In previous works, there is one fixed functional path which is composed of several underlying services in a certain order. Actually, there are several functional paths delivering different quality level multimedia from the source to the end user. Due to the dynamicity and mobility of pervasive space, system...
The problem of computing the bandwidth-delay-constrained least-cost QoS multicast routing is a NP-complete problem. A novel shuffled frog leaping (SFL) algorithm is proposed to deal with the Qos multicast routing problem effectively and efficiently in this paper. The experimental results show that the proposed algorithm can find optimal solution quickly and has a good scalability.
In this paper, a robust FGS video transmission scheme is proposed for streaming video over bandwidth-constrained packet loss channel, which aims to reducing both the overall distortion and quality fluctuation at the same time. We first use channel budget and packet loss property to determine the bits of enhancement layers that should be allocated per frame. Then unequal loss protection (ULP) using...
Three applications in wireless networks where model-free stochastic learning is applicable, are discussed. The learning based optimization problems are formulated and simulation results are presented. Some open issues are also discussed.
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