Rate Allocation for Layered Multicast Streaming with Inter-Layer Network Coding

Provided by: University Cadi Ayyad
Topic: Networking
Format: PDF
Multi-layer video streaming allows to provide different video qualities to a group of multicast receivers with heterogeneous receive rates. The number of layers received deter-mines the quality of the decoded video stream. For such layered multicast streaming, network coding provides higher capacity than multicast routing. Network coding can be performed within a layer (intra-layer) or across layers (inter-layer), and in general inter-layer coding outperforms intra-layer coding. An optimal solution to a network coded layered multicast problem may require decoding of the network code at interior nodes to ex-tract information to be forwarded.

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