{"id":"https://openalex.org/W2014350938","doi":"https://doi.org/10.1109/isit.2013.6620774","title":"Improving the BP estimate over the AWGN channel using Tree-structured expectation propagation","display_name":"Improving the BP estimate over the AWGN channel using Tree-structured expectation propagation","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2014350938","doi":"https://doi.org/10.1109/isit.2013.6620774","mag":"2014350938"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2013.6620774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2013.6620774","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"},"type":"conference-paper","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/A5083028630","display_name":"Luis Salamanca","orcid":"https://orcid.org/0000-0001-9314-8466"},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Luis Salamanca","raw_affiliation_strings":["Department of Signal Theory and Communications, University of Sevilla, Spain","Dept. of Signal Theor. & Commun., Univ. of Sevilla, Sevilla, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University of Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. of Sevilla, Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036960709","display_name":"Juan Jos\u00e9 Murillo-Fuentes","orcid":"https://orcid.org/0000-0002-9041-0147"},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Juan Jose Murillo-Fuentes","raw_affiliation_strings":["Department of Signal Theory and Communications, University of Sevilla, Spain","Dept. of Signal Theor. & Commun., Univ. of Sevilla, Sevilla, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University of Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. of Sevilla, Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066828138","display_name":"Pablo M. Olmos","orcid":"https://orcid.org/0000-0003-4276-5178"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pablo M. Olmos","raw_affiliation_strings":["Department of Signal Theory and Communications, University Carlos III in Madrid, Spain","Dept. of Signal Theor. & Commun., Univ. Carlos III in Madrid, Legane\u0301s, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University Carlos III in Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Carlos III in Madrid, Legane\u0301s, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088555568","display_name":"Fernando P\u00e9rez\u2010Cruz","orcid":"https://orcid.org/0000-0001-8996-5076"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fernando Perez-Cruz","raw_affiliation_strings":["Department of Signal Theory and Communications, University Carlos III in Madrid, Spain","Dept. of Signal Theor. & Commun., Univ. Carlos III in Madrid, Legane\u0301s, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University Carlos III in Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Carlos III in Madrid, Legane\u0301s, Spain","institution_ids":["https://openalex.org/I50357001"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"2990","last_page":"2994"},"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":0.9991999864578247,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9930999875068665,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.8773471117019653},{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.8419933319091797},{"id":"https://openalex.org/keywords/binary-erasure-channel","display_name":"Binary erasure channel","score":0.8312432765960693},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6834733486175537},{"id":"https://openalex.org/keywords/belief-propagation","display_name":"Belief propagation","score":0.6597087979316711},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6401902437210083},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5223290324211121},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5053861141204834},{"id":"https://openalex.org/keywords/binary-symmetric-channel","display_name":"Binary symmetric channel","score":0.4912044405937195},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4903416633605957},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.4738519489765167},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.4169503450393677},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4142984449863434},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3802567720413208},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.3499322533607483},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.22554585337638855},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15508046746253967},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.08775594830513}],"concepts":[{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.8773471117019653},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.8419933319091797},{"id":"https://openalex.org/C149862233","wikidata":"https://www.wikidata.org/wiki/Q864142","display_name":"Binary erasure channel","level":4,"score":0.8312432765960693},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6834733486175537},{"id":"https://openalex.org/C152948882","wikidata":"https://www.wikidata.org/wiki/Q4060686","display_name":"Belief propagation","level":3,"score":0.6597087979316711},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6401902437210083},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5223290324211121},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5053861141204834},{"id":"https://openalex.org/C173988684","wikidata":"https://www.wikidata.org/wiki/Q863510","display_name":"Binary symmetric channel","level":4,"score":0.4912044405937195},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4903416633605957},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.4738519489765167},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.4169503450393677},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4142984449863434},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3802567720413208},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.3499322533607483},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.22554585337638855},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15508046746253967},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.08775594830513}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2013.6620774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2013.6620774","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1536930200","https://openalex.org/W1618499549","https://openalex.org/W1934021597","https://openalex.org/W1965715530","https://openalex.org/W2113589487","https://openalex.org/W2120340025","https://openalex.org/W2120577702","https://openalex.org/W2123119950","https://openalex.org/W2127490352","https://openalex.org/W2141033994","https://openalex.org/W2146221397","https://openalex.org/W2150091322","https://openalex.org/W2159080219","https://openalex.org/W2169415915","https://openalex.org/W2536639552","https://openalex.org/W3102351898","https://openalex.org/W3102789005","https://openalex.org/W3125530803","https://openalex.org/W4256648168","https://openalex.org/W4300188436","https://openalex.org/W6640231202"],"related_works":["https://openalex.org/W2502955786","https://openalex.org/W2162141500","https://openalex.org/W2142213376","https://openalex.org/W2964304063","https://openalex.org/W2125870772","https://openalex.org/W2583282232","https://openalex.org/W2963350704","https://openalex.org/W3099663570","https://openalex.org/W2139012746","https://openalex.org/W2179644698"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"the":[5,17,27,34,46,54,58,70,80,90,96,110,118],"tree-structured":[6],"expectation":[7],"propagation":[8,42],"(TEP)":[9],"algorithm":[10],"for":[11,53,83,89],"low-density":[12],"parity-check":[13],"(LDPC)":[14],"decoding":[15,44],"over":[16,45,107],"binary":[18,47],"additive":[19],"white":[20],"Gaussian":[21],"noise":[22],"(BI-AWGN)":[23],"channel.":[24],"By":[25],"approximating":[26],"posterior":[28],"distribution":[29],"by":[30,69],"a":[31,76,102],"tree-structure":[32],"factorization,":[33],"TEP":[35,59,97],"has":[36],"been":[37],"proven":[38],"to":[39,64,75],"improve":[40],"belief":[41],"(BP)":[43],"erasure":[48],"channel":[49,56],"(BEC).":[50],"We":[51,86],"show":[52,87],"AWGN":[55],"how":[57],"decoder":[60],"is":[61,99,121],"also":[62,122],"able":[63],"capture":[65],"additional":[66],"information":[67],"disregarded":[68],"BP":[71,111],"solution,":[72],"which":[73],"leads":[74],"noticeable":[77],"reduction":[78],"of":[79,92,94,109,116],"error":[81],"rate":[82],"finite-length":[84],"codes.":[85],"that":[88,108],"range":[91],"codes":[93],"interest,":[95],"gain":[98],"obtained":[100],"with":[101],"slight":[103],"increase":[104],"in":[105],"complexity":[106],"algorithm.":[112],"An":[113],"efficient":[114],"way":[115],"constructing":[117],"tree-like":[119],"structure":[120],"described.":[123]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
