Networking

Sparse Network Coding With Overlapping Classes

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Executive Summary

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) the authors 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. The approach can be seen as a combination of fountain coding and network coding. Simulation results are presented that demonstrate the promise of the approach.

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