{"id":"https://openalex.org/W2153531088","doi":"https://doi.org/10.1109/wts.2009.5068930","title":"Use of extrinsic information transfer chart to predict behavior of turbo codes","display_name":"Use of extrinsic information transfer chart to predict behavior of turbo codes","publication_year":2009,"publication_date":"2009-05-01","ids":{"openalex":"https://openalex.org/W2153531088","doi":"https://doi.org/10.1109/wts.2009.5068930","mag":"2153531088"},"language":"en","primary_location":{"id":"doi:10.1109/wts.2009.5068930","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2009.5068930","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Wireless Telecommunications Symposium","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/A5073791111","display_name":"Teodor Iliev","orcid":"https://orcid.org/0000-0003-2214-8092"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"T. Iliev","raw_affiliation_strings":["Communication Systems and Technologies, University of Rousse, Rousse, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Communication Systems and Technologies, University of Rousse, Rousse, Bulgaria","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073553331","display_name":"Izabella Lokshina","orcid":"https://orcid.org/0000-0002-8719-9651"},"institutions":[{"id":"https://openalex.org/I122713931","display_name":"SUNY Oneonta","ror":"https://ror.org/02r3ym141","country_code":"US","type":"education","lineage":["https://openalex.org/I122713931"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"I. Lokshina","raw_affiliation_strings":["Management, Marketing and Information Systems, Oneonta, NY, USA"],"affiliations":[{"raw_affiliation_string":"Management, Marketing and Information Systems, Oneonta, NY, USA","institution_ids":["https://openalex.org/I122713931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087041805","display_name":"Dimitar Radev","orcid":"https://orcid.org/0000-0002-9523-412X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. Radev","raw_affiliation_strings":["Communication Systems and Technologies, University of Rousse, Rousse, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Communication Systems and Technologies, University of Rousse, Rousse, Bulgaria","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5073791111"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8972,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.78151191,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"1","issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9980000257492065,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9955000281333923,"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/exit-chart","display_name":"EXIT chart","score":0.958301842212677},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.8646546006202698},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8053312301635742},{"id":"https://openalex.org/keywords/turbo","display_name":"Turbo","score":0.6910813450813293},{"id":"https://openalex.org/keywords/information-transfer","display_name":"Information transfer","score":0.6429068446159363},{"id":"https://openalex.org/keywords/turbo-equalizer","display_name":"Turbo equalizer","score":0.6291239857673645},{"id":"https://openalex.org/keywords/chart","display_name":"Chart","score":0.5314734578132629},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5313675403594971},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4949118494987488},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4669540822505951},{"id":"https://openalex.org/keywords/convolutional-code","display_name":"Convolutional code","score":0.4432829022407532},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.4255502223968506},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.42315608263015747},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.3201272487640381},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15988919138908386},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.1282500922679901},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1066640317440033},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08252879977226257}],"concepts":[{"id":"https://openalex.org/C171401667","wikidata":"https://www.wikidata.org/wiki/Q5324684","display_name":"EXIT chart","level":5,"score":0.958301842212677},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.8646546006202698},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8053312301635742},{"id":"https://openalex.org/C2776240298","wikidata":"https://www.wikidata.org/wiki/Q1138513","display_name":"Turbo","level":2,"score":0.6910813450813293},{"id":"https://openalex.org/C8854915","wikidata":"https://www.wikidata.org/wiki/Q4350200","display_name":"Information transfer","level":2,"score":0.6429068446159363},{"id":"https://openalex.org/C12232224","wikidata":"https://www.wikidata.org/wiki/Q7853840","display_name":"Turbo equalizer","level":5,"score":0.6291239857673645},{"id":"https://openalex.org/C190812933","wikidata":"https://www.wikidata.org/wiki/Q28923","display_name":"Chart","level":2,"score":0.5314734578132629},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5313675403594971},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4949118494987488},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4669540822505951},{"id":"https://openalex.org/C157899210","wikidata":"https://www.wikidata.org/wiki/Q1395022","display_name":"Convolutional code","level":3,"score":0.4432829022407532},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.4255502223968506},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.42315608263015747},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.3201272487640381},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15988919138908386},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.1282500922679901},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1066640317440033},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08252879977226257},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wts.2009.5068930","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2009.5068930","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Wireless Telecommunications Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W63641442","https://openalex.org/W2101394529","https://openalex.org/W2111106461","https://openalex.org/W2123373172","https://openalex.org/W2161001955","https://openalex.org/W6602594916"],"related_works":["https://openalex.org/W2117915455","https://openalex.org/W1983993127","https://openalex.org/W1565592891","https://openalex.org/W2124621688","https://openalex.org/W2172226715","https://openalex.org/W1969379060","https://openalex.org/W1482690767","https://openalex.org/W2007065921","https://openalex.org/W2135289869","https://openalex.org/W2154755390"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"consider":[4,124],"turbo":[5,82,111,161,188],"codes":[6],"that":[7,93,132],"are":[8,56,96],"now":[9],"introduced":[10],"in":[11,193],"various":[12],"international":[13],"standards,":[14],"including":[15],"the":[16,25,36,46,59,75,87,103,110,125,142,158,164,183],"UMTS":[17],"standard":[18,28],"for":[19,29,173],"third":[20],"generation":[21],"personal":[22],"communications":[23],"and":[24,34,101,116,154],"ETSI":[26],"DVB-T":[27],"Terrestrial":[30],"Digital":[31],"Video":[32],"Broadcasting,":[33],"review":[35],"method":[37],"of":[38,45,80,106,160,186],"extrinsic":[39,61,118,140],"information":[40,62,130,143],"transfer.":[41],"The":[42,120],"convergence":[43,104],"properties":[44],"iterative":[47,107,184],"decoding":[48],"process":[49],"associated":[50,126],"with":[51,170,190],"a":[52,81,135,177],"given":[53],"turbo-coding":[54],"scheme":[55],"assessed":[57],"using":[58,85],"so-called":[60],"transfer":[63],"(EXIT)":[64],"chart":[65],"analysis":[66],"technique.":[67],"This":[68],"approach":[69,179],"provides":[70,180],"an":[71],"opportunity":[72],"to":[73,99,123,148,152,157],"foresee":[74],"bit":[76],"error":[77],"rate":[78],"(BER)":[79],"code":[83],"system":[84],"only":[86],"EXIT":[88,94,175],"chart.":[89],"It":[90],"is":[91,122],"shown":[92],"charts":[95],"powerful":[97],"tools":[98],"analyze":[100],"optimize":[102],"behavior":[105,185],"systems":[108,114,162,189],"utilizing":[109],"principle,":[112],"i.e.,":[113],"exchanging":[115],"refining":[117],"information.":[119],"idea":[121],"SISO":[127],"stages":[128],"as":[129],"processors":[131],"map":[133],"input":[134,151],"priori":[136],"LLR's":[137],"onto":[138],"output":[139],"LLR's,":[141],"content":[144],"being":[145],"obviously":[146],"assumed":[147],"increase":[149],"from":[150],"output,":[153],"introduce":[155],"them":[156],"design":[159],"without":[163],"reliance":[165],"on":[166],"extensive":[167],"simulation.":[168],"Compared":[169],"existing":[171],"methods":[172],"generating":[174],"functions,":[176],"suggested":[178],"insight":[181],"into":[182],"linear":[187],"substantial":[191],"reduction":[192],"numerical":[194],"complexity.":[195]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
