{"id":"https://openalex.org/W2112821293","doi":"https://doi.org/10.1109/isit.2012.6283742","title":"Polar coding without alphabet extension for asymmetric channels","display_name":"Polar coding without alphabet extension for asymmetric channels","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2112821293","doi":"https://doi.org/10.1109/isit.2012.6283742","mag":"2112821293"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2012.6283742","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2012.6283742","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Information Theory Proceedings","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/A5112464181","display_name":"Junya Honda","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Junya Honda","raw_affiliation_strings":["Graduate School of Frontier Sciences, University of Tokyo, Kashiwashi, Chiba, Japan","Graduate School of Frontier Sciences, University of Tokyo Kashiwa-shi, Chiba 277-8561, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Frontier Sciences, University of Tokyo, Kashiwashi, Chiba, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"Graduate School of Frontier Sciences, University of Tokyo Kashiwa-shi, Chiba 277-8561, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084723015","display_name":"H. Yamamoto","orcid":"https://orcid.org/0000-0001-6297-8838"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirosuke Yamamoto","raw_affiliation_strings":["Graduate School of Frontier Sciences, University of Tokyo, Kashiwashi, Chiba, Japan","Graduate School of Frontier Sciences, University of Tokyo Kashiwa-shi, Chiba 277-8561, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Frontier Sciences, University of Tokyo, Kashiwashi, Chiba, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"Graduate School of Frontier Sciences, University of Tokyo Kashiwa-shi, Chiba 277-8561, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2147","last_page":"2151"},"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/T12029","display_name":"DNA and Biological Computing","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9980000257492065,"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/alphabet","display_name":"Alphabet","score":0.6516199111938477},{"id":"https://openalex.org/keywords/polar","display_name":"Polar","score":0.6368998289108276},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6007804274559021},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.589640200138092},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5275107026100159},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5035318732261658},{"id":"https://openalex.org/keywords/probability-distribution","display_name":"Probability distribution","score":0.48908382654190063},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4663848876953125},{"id":"https://openalex.org/keywords/channel-code","display_name":"Channel code","score":0.450268030166626},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.44642141461372375},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.4403630495071411},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4387800395488739},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.32057324051856995},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.22429147362709045},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.16797450184822083},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14168891310691833},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06977099180221558}],"concepts":[{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.6516199111938477},{"id":"https://openalex.org/C29705727","wikidata":"https://www.wikidata.org/wiki/Q294562","display_name":"Polar","level":2,"score":0.6368998289108276},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6007804274559021},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.589640200138092},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5275107026100159},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5035318732261658},{"id":"https://openalex.org/C149441793","wikidata":"https://www.wikidata.org/wiki/Q200726","display_name":"Probability distribution","level":2,"score":0.48908382654190063},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4663848876953125},{"id":"https://openalex.org/C166366890","wikidata":"https://www.wikidata.org/wiki/Q602136","display_name":"Channel code","level":3,"score":0.450268030166626},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.44642141461372375},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.4403630495071411},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4387800395488739},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.32057324051856995},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.22429147362709045},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.16797450184822083},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14168891310691833},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06977099180221558},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2012.6283742","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2012.6283742","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Information Theory Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1975096885","https://openalex.org/W1984808298","https://openalex.org/W1984960835","https://openalex.org/W1989008275","https://openalex.org/W2009399399","https://openalex.org/W2031724611","https://openalex.org/W2055534149","https://openalex.org/W2065345097","https://openalex.org/W2096894382","https://openalex.org/W2105204872","https://openalex.org/W2105667172","https://openalex.org/W2111715132","https://openalex.org/W2129444266","https://openalex.org/W2139784773","https://openalex.org/W2142252806","https://openalex.org/W2142901448","https://openalex.org/W2145712176","https://openalex.org/W2150498905","https://openalex.org/W2158137498","https://openalex.org/W2164368671","https://openalex.org/W2295517275","https://openalex.org/W3099516920"],"related_works":["https://openalex.org/W2074481494","https://openalex.org/W3203142394","https://openalex.org/W2808006995","https://openalex.org/W4250156143","https://openalex.org/W815150125","https://openalex.org/W2154612888","https://openalex.org/W1985968643","https://openalex.org/W2152012878","https://openalex.org/W2133231244","https://openalex.org/W2159335518"],"abstract_inverted_index":{"We":[0],"consider":[1],"channel":[2],"coding":[3,81],"of":[4,54],"binary":[5],"asymmetric":[6,15,84],"memoryless":[7],"channels":[8,16],"with":[9,100],"polar":[10,80],"codes.":[11],"The":[12],"difficulty":[13],"for":[14,59,83],"comes":[17],"from":[18],"the":[19,22,52,55,60,63,88,97],"fact":[20],"that":[21,62],"optimal":[23,89],"input":[24,37,49,64,91],"probability":[25,103],"distributions":[26],"are":[27],"not":[28],"always":[29],"uniform.":[30],"\u015ea\u015fo\u011flu":[31],"et":[32],"al.":[33],"realized":[34],"a":[35],"nonuniform":[36,90],"distribution":[38,65,92],"by":[39,69,93],"mapping":[40],"multiple":[41],"auxiliary":[42],"symbols":[43,95],"distributed":[44],"uniformly":[45],"to":[46],"an":[47,101],"actual":[48],"symbol.":[50],"However,":[51],"complexity":[53],"scheme":[56,82],"increases":[57],"considerably":[58],"case":[61],"cannot":[66],"be":[67],"approximated":[68],"simple":[70],"rational":[71],"numbers.":[72],"To":[73],"overcome":[74],"this":[75],"problem,":[76],"we":[77],"propose":[78],"another":[79],"channels,":[85],"which":[86],"realizes":[87],"randomizing":[94],"in":[96],"frozen":[98],"bits":[99],"appropriate":[102],"distribution.":[104]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}