Generalized low-density codes with BCH constituents for full-diversity near-outage performance

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dc.contributor	Universitat Pompeu Fabra
dc.contributor.author	Boutros, Joseph Jean
dc.contributor.author	Zémor, Gilles
dc.contributor.author	Guillén i Fàbregas, Albert
dc.contributor.author	Biglieri, Ezio
dc.date	2008
dc.identifier.citation	Boutros JJ, Zémor G, Guillén-Fàbregas A, Biglieri E. Generalized low-density codes with BCH constituents for full-diversity near-outage performance. In: Proceedings of the 2008 IEEE International Symposium on Information Theory (ISIT '08); 2008 Jul 6-11; Toronto, Ontario, Canada. [New York]: IEEE; c2008. p.787-791. DOI 10.1109/ISIT.2008.4595094
dc.identifier.citation	0271-4655
dc.identifier.citation	http://dx.doi.org/10.1109/ISIT.2008.4595094
dc.identifier.uri	http://hdl.handle.net/10230/20496
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	Proceedings of the 2008 IEEE International Symposium on Information Theory (ISIT '08); 2008 Jul 6-11; Toronto, Ontario, Canada. [New York]: IEEE; c2008.
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works./nThe final published article can be found at http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4595094&tag=1
dc.subject	Comunicació sense fil, Sistemes de
dc.title	Generalized low-density codes with BCH constituents for full-diversity near-outage performance
dc.type	info:eu-repo/semantics/conferenceObject
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	Comunicació presentada en el International Symposium on Information Theory (ISIT '08), celebrat els dies 6, 7, 8, 9, 10 i 11 de juliol de 2008 a Toronto (Ontario, Canadà), organitzat per Institute of Electrical and Electronics Engineers (IEEE).
dc.description.abstract	A new graph-based construction of generalized low density codes (GLD-Tanner) with binary BCH constituents is described. The proposed family of GLD codes is optimal on block erasure channels and quasi-optimal on block fading channels. Optimality is considered in the outage probability sense. A/nclassical GLD code for ergodic channels (e.g., the AWGN channel,/nthe i.i.d. Rayleigh fading channel, and the i.i.d. binary erasure channel) is built by connecting bitnodes and subcode nodes via a unique random edge permutation. In the proposed construction of full-diversity GLD codes (referred to as root GLD), bitnodes are divided into 4 classes, subcodes are divided into 2 classes, and finally both sides of the Tanner graph are linked via 4 random edge permutations. The study focuses on non-ergodic channels with two states and can be easily extended to channels with 3 states or more.
dc.description.abstract	The work of Ezio Biglieri was supported by the STREP project "DA/nVINCI" within the 7th FP of the European Commission.

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