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Multi-rate network coding for minimum-cost multicasting

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2 Author(s)
Goseling, J. ; WMC Group, Delft Univ. of Technol., Delft ; Weber, J.H.

We consider multicast network codes that allow to tradeoff throughput against cost. We construct a single code that enables the source to control the throughput, always achieving the minimum possible cost per transmitted symbol. Nodes in the network perform linear coding operations that are the same for all achievable throughput-cost pairs. On each of their outgoing edges nodes transmit either symbols that are obtained by these fixed linear combinations or nothing at all.

Published in:

Information Theory, 2008. ISIT 2008. IEEE International Symposium on

Date of Conference:

6-11 July 2008