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Thanks to recent advances in hierarchical video coding and overlay network, layered overlay multicast has emerged as an important solution for video streaming over heterogeneous network. In this paper, we formulate it into a joint network flow control and performance optimization problem where adaptive layer rates are determined through a greedy algorithm close to optimal. The overlay network is constrained...
This paper addressed multirate allocation issues for Scalable Video Coding (SVC) streaming multicasting to heterogeneous receivers. In view of the enhancement layerspsila dependence on the base layer, a two-stage optimization solution is proposed. At the first stage, an improved minimum cost algorithm is introduced to minimize the base layerpsilas delay. Meanwhile, a maximum residual bandwidth (RMB)...
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