A Practical Approach to Joint Network-Source Coding

Details A Practical Approach to Joint Network-Source Coding A Practical Approach to Joint Network-Source Coding

2005-12-05

arxiv.org/abs/cs/0512020v1

Computer Science

Information Theory

submitted to Data Compression Conference, 2006

Scientific paper

We are interested in how to best communicate a real valued source to a number of destinations (sinks) over a network with capacity constraints in a collective fidelity metric over all the sinks, a problem which we call joint network-source coding. It is demonstrated that multiple description codes along with proper diversity routing provide a powerful solution to joint network-source coding. A systematic optimization approach is proposed. It consists of optimizing the network routing given a multiple description code and designing optimal multiple description code for the corresponding optimized routes.

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