A refinement of expurgation
A refinement of expurgation
Citació
- Cocco G, Guillén i Fàbregas A, Font-Segura J. A refinement of expurgation. IEEE Trans Inf Theory. 2024 Dec;70(12):8419-22. DOI: 10.1109/TIT.2024.3388563
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Descripció
Resum
We show that for a wide range of channels and code ensembles with pairwise-independent codewords, with probability tending to 1 with the code length, expurgating an arbitrarily small fraction of codewords from a randomly selected code results in a code attaining the expurgated exponent.