Sparse Network Coding with Overlapping Classes

Details Sparse Network Coding with Overlapping Classes Sparse Network Coding with Overlapping Classes

2009-05-18

arxiv.org/abs/0905.2796v1

Computer Science

Information Theory

15 pages, 5 figures, to be published at NetCod 2009

Scientific paper

This paper presents a novel approach to network coding for distribution of large files. Instead of the usual approach of splitting packets into disjoint classes (also known as generations) we propose the use of overlapping classes. The overlapping allows the decoder to alternate between Gaussian elimination and back substitution, simultaneously boosting the performance and reducing the decoding complexity. Our approach can be seen as a combination of fountain coding and network coding. Simulation results are presented that demonstrate the promise of our approach.

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