Improving the MAC error exponent using distributed structure

Eli Haim*, Yuval Kochman, Uri Erez

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Structured codes have been utilized in deriving the best known achievable rate regions in certain network scenarios. In this paper we demonstrate that structure can be also beneficial in terms of error exponents even in cases where there is no capacity gain. We use distributed structure, i.e., different users use codes which satisfy a nesting condition. Specifically, for the scalar Gaussian multiple-access channel we obtain an improvement over the best known achievable exponent, given by Gallager, for certain rate pairs.

Original languageAmerican English
Title of host publication2011 IEEE International Symposium on Information Theory Proceedings, ISIT 2011
Pages1003-1007
Number of pages5
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 IEEE International Symposium on Information Theory Proceedings, ISIT 2011 - St. Petersburg, Russian Federation
Duration: 31 Jul 20115 Aug 2011

Publication series

NameIEEE International Symposium on Information Theory - Proceedings
ISSN (Print)2157-8104

Conference

Conference2011 IEEE International Symposium on Information Theory Proceedings, ISIT 2011
Country/TerritoryRussian Federation
CitySt. Petersburg
Period31/07/115/08/11

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