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The random coding bound is tight for the average linear code

Authors: Yuval Domb; Ram Zamir; Meir Feder;

The random coding bound is tight for the average linear code

Abstract

In 1973, Gallager published a correspondence, consisting a proof that the random coding bound is exponentially tight for the random code ensemble at all rates, even below the expurgation rate. This result explained that the random coding upper bound does not achieve the expurgation bound due to the properties of the random ensemble, irrespective of the utilized bounding technique. It has been conjectured that this same behavior holds true, also for a random linear ensemble. This conjecture is proved in this paper. Additionally, it is shown that exponential tightness for both ensembles can be achieved by considering only the triple-wise error events.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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