{"id":"https://openalex.org/W2140093230","doi":"https://doi.org/10.1109/isit.2004.1365488","title":"Optimization of LDPC codes for UEP channels","display_name":"Optimization of LDPC codes for UEP channels","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2140093230","doi":"https://doi.org/10.1109/isit.2004.1365488","mag":"2140093230"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2004.1365488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082023760","display_name":"Charly Poulliat","orcid":"https://orcid.org/0000-0001-6407-8841"},"institutions":[{"id":"https://openalex.org/I4210142324","display_name":"CY Cergy Paris Universit\u00e9","ror":"https://ror.org/043htjv09","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210142324"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I86175216","display_name":"\u00c9cole Nationale Sup\u00e9rieure de l'\u00c9lectronique et de ses Applications","ror":"https://ror.org/03qeacd72","country_code":"FR","type":"education","lineage":["https://openalex.org/I86175216"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"C. Poulliat","raw_affiliation_strings":["ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France"],"affiliations":[{"raw_affiliation_string":"ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France","institution_ids":["https://openalex.org/I86175216","https://openalex.org/I4210142324","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022930542","display_name":"David Declercq","orcid":"https://orcid.org/0000-0001-7645-7136"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I86175216","display_name":"\u00c9cole Nationale Sup\u00e9rieure de l'\u00c9lectronique et de ses Applications","ror":"https://ror.org/03qeacd72","country_code":"FR","type":"education","lineage":["https://openalex.org/I86175216"]},{"id":"https://openalex.org/I4210142324","display_name":"CY Cergy Paris Universit\u00e9","ror":"https://ror.org/043htjv09","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210142324"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"D. Declercq","raw_affiliation_strings":["ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France"],"affiliations":[{"raw_affiliation_string":"ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France","institution_ids":["https://openalex.org/I86175216","https://openalex.org/I4210142324","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082806200","display_name":"Inbar Fijalkow","orcid":"https://orcid.org/0000-0002-7322-6794"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I86175216","display_name":"\u00c9cole Nationale Sup\u00e9rieure de l'\u00c9lectronique et de ses Applications","ror":"https://ror.org/03qeacd72","country_code":"FR","type":"education","lineage":["https://openalex.org/I86175216"]},{"id":"https://openalex.org/I4210142324","display_name":"CY Cergy Paris Universit\u00e9","ror":"https://ror.org/043htjv09","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210142324"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"I. Fijalkow","raw_affiliation_strings":["ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France"],"affiliations":[{"raw_affiliation_string":"ENSEA/UCP/CNRS, ETIS UMR-8051, Cergy-Pontoise, France","institution_ids":["https://openalex.org/I86175216","https://openalex.org/I4210142324","https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5082023760"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210142324","https://openalex.org/I86175216"],"apc_list":null,"apc_paid":null,"fwci":1.4944,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.86453323,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"451","last_page":"451"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.7876516580581665},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.713250458240509},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6524035930633545},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6286157965660095},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5102245807647705},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.4864211082458496},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47677329182624817},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.43888595700263977},{"id":"https://openalex.org/keywords/forward-error-correction","display_name":"Forward error correction","score":0.4340037405490875},{"id":"https://openalex.org/keywords/error-floor","display_name":"Error floor","score":0.4196895360946655},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.36470022797584534},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.08996546268463135},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08586359024047852}],"concepts":[{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.7876516580581665},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.713250458240509},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6524035930633545},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6286157965660095},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5102245807647705},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.4864211082458496},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47677329182624817},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.43888595700263977},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.4340037405490875},{"id":"https://openalex.org/C46462455","wikidata":"https://www.wikidata.org/wiki/Q5395712","display_name":"Error floor","level":4,"score":0.4196895360946655},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.36470022797584534},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.08996546268463135},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08586359024047852},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2004.1365488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6000000238418579,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1965435948","https://openalex.org/W2109489513","https://openalex.org/W2118420528","https://openalex.org/W2127490352","https://openalex.org/W2151271150","https://openalex.org/W2158709268","https://openalex.org/W6682077805"],"related_works":["https://openalex.org/W2479327835","https://openalex.org/W4205295586","https://openalex.org/W2388289192","https://openalex.org/W2623918504","https://openalex.org/W2110972223","https://openalex.org/W2163036861","https://openalex.org/W2364567271","https://openalex.org/W2532556608","https://openalex.org/W2916248738","https://openalex.org/W2957709805"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"the":[3,24,30,34],"optimization":[4,22],"of":[5,23,48],"LDPC":[6],"codes":[7],"for":[8,26],"unequal":[9],"error":[10,42],"protection":[11],"(UEP)":[12],"transmission":[13],"schemes.":[14],"The":[15],"method":[16],"is":[17],"based":[18],"on":[19],"a":[20,40,45],"hierarchical":[21],"irregularity":[25],"each":[27],"class":[28],"within":[29],"codeword":[31],"by":[32],"maximizing":[33],"average":[35],"data":[36],"node":[37],"degree":[38],"with":[39],"given":[41],"sensitivity":[43],"at":[44],"finite":[46],"number":[47],"decoding":[49],"iterations.":[50]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}