Intra-layer network coding for lossy communication of progressive codes

被引:1
作者
Sarshar, Nima [1 ]
Bais, Abdul [1 ]
机构
[1] Univ Regina, Fac Engn, Regina, SK S4S 0A2, Canada
关键词
Multiple description coding; Progressive coding; Network coding; Layered multicast; Linear layered multicast; MULTICAST; FLOW;
D O I
10.1016/j.aeue.2014.01.004
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper we discuss layered multicast (LM) of progressive source codes using network coding. LM is absolutely optimal if different sinks in the network are satisfied up to their max-flow. Since absolutely optimal intra-layer network strategies might not exist for general networks, we present conditions under which an absolutely optimal, intra-layer multicast strategy exists for a given network and how that strategy may be efficiently constructed. We also discuss the problem of designing optimal intra-layer multicast strategies for general directed networks. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码:611 / 615
页数:5
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