Multi-class cost-constrained random coding for correlated sources over the multiple-access channel
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- dc.contributor.author Rezazadeh, Arezou
- dc.contributor.author Font Segura, Josep
- dc.contributor.author Martínez, Alfonso, 1973-
- dc.contributor.author Guillén i Fábregas, A. (Albert)
- dc.date.accessioned 2021-05-19T07:15:34Z
- dc.date.available 2021-05-19T07:15:34Z
- dc.date.issued 2021
- dc.description.abstract This paper studies a generalized version of multi-class cost-constrained random-coding ensemble with multiple auxiliary costs for the transmission of N correlated sources over an N-user multiple-access channel. For each user, the set of messages is partitioned into classes and codebooks are generated according to a distribution depending on the class index of the source message and under the constraint that the codewords satisfy a set of cost functions. Proper choices of the cost functions recover different coding schemes including message-dependent and message-independent versions of independent and identically distributed, independent conditionally distributed, constant-composition and conditional constant composition ensembles. The transmissibility region of the scheme is related to the Cover-El Gamal-Salehi region. A related family of correlated-source Gallager source exponent functions is also studied. The achievable exponents are compared for correlated and independent sources, both numerically and analytically.
- dc.description.sponsorship This work has been funded in part by the European Research Council under grant 725411, and by the Spanish Ministry of Economy and Competitiveness under grant TEC2016-78434-C3-1-R
- dc.format.mimetype application/pdf
- dc.identifier.citation Rezazadeh A, Font-Segura J, Martinez A, Guillén i Fàbregas A. Multi-class cost-constrained random coding for correlated sources over the multiple-access channel. Entropy. 2021;23(5):569. DOI: 10.3390/e23050569
- dc.identifier.doi http://dx.doi.org/10.3390/e23050569
- dc.identifier.issn 1099-4300
- dc.identifier.uri http://hdl.handle.net/10230/47592
- dc.language.iso eng
- dc.publisher MDPI
- dc.relation.ispartof Entropy. 2021;23(5):569
- dc.relation.projectID info:eu-repo/grantAgreement/ES/1PE/TEC2016-78434-C3-1-R
- dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/725411
- dc.rights © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
- dc.rights.accessRights info:eu-repo/semantics/openAccess
- dc.rights.uri http://creativecommons.org/licenses/by/4.0/
- dc.subject.keyword Multiple access channel
- dc.subject.keyword Correlated sources
- dc.subject.keyword Random coding
- dc.subject.keyword Error exponents
- dc.title Multi-class cost-constrained random coding for correlated sources over the multiple-access channel
- dc.type info:eu-repo/semantics/article
- dc.type.version info:eu-repo/semantics/publishedVersion