{"id":"https://openalex.org/W2143418441","doi":"https://doi.org/10.1109/isit.2004.1365312","title":"An efficient encoding method for LPDC codes based on cyclic shift","display_name":"An efficient encoding method for LPDC codes based on cyclic shift","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2143418441","doi":"https://doi.org/10.1109/isit.2004.1365312","mag":"2143418441"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2004.1365312","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365312","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/A5062365752","display_name":"Hachiro Fujita","orcid":"https://orcid.org/0000-0002-1134-9203"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"H. Fujita","raw_affiliation_strings":["Department of Communications and Integrated Systems, Tokyo Institute of Technology, Meguro, Tokyo, Japan","Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol., Japan#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Communications and Integrated Systems, Tokyo Institute of Technology, Meguro, Tokyo, Japan","institution_ids":["https://openalex.org/I114531698"]},{"raw_affiliation_string":"Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol., Japan#TAB#","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110189199","display_name":"K. Sakaniwa","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Sakaniwa","raw_affiliation_strings":["Department of Communications and Integrated Systems, Tokyo Institute of Technology, Meguro, Tokyo, Japan","Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol., Japan#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Communications and Integrated Systems, Tokyo Institute of Technology, Meguro, Tokyo, Japan","institution_ids":["https://openalex.org/I114531698"]},{"raw_affiliation_string":"Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol., Japan#TAB#","institution_ids":["https://openalex.org/I114531698"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5062365752"],"corresponding_institution_ids":["https://openalex.org/I114531698"],"apc_list":null,"apc_paid":null,"fwci":0.2317,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.65166451,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"275","last_page":"275"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9991000294685364,"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":0.9991000294685364,"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/T11130","display_name":"Coding theory and cryptography","score":0.9936000108718872,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.9900000095367432,"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/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.8421998023986816},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.678828239440918},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.5506715178489685},{"id":"https://openalex.org/keywords/serial-concatenated-convolutional-codes","display_name":"Serial concatenated convolutional codes","score":0.5254271030426025},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.5234332084655762},{"id":"https://openalex.org/keywords/generator-matrix","display_name":"Generator matrix","score":0.5156075358390808},{"id":"https://openalex.org/keywords/raptor-code","display_name":"Raptor code","score":0.48425790667533875},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.48287537693977356},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.4592686891555786},{"id":"https://openalex.org/keywords/luby-transform-code","display_name":"Luby transform code","score":0.4587545394897461},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4561156928539276},{"id":"https://openalex.org/keywords/linear-code","display_name":"Linear code","score":0.4543943703174591},{"id":"https://openalex.org/keywords/forward-error-correction","display_name":"Forward error correction","score":0.448581725358963},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.37468278408050537},{"id":"https://openalex.org/keywords/error-floor","display_name":"Error floor","score":0.2983214855194092},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.23337623476982117}],"concepts":[{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.8421998023986816},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.678828239440918},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.5506715178489685},{"id":"https://openalex.org/C33529081","wikidata":"https://www.wikidata.org/wiki/Q18378194","display_name":"Serial concatenated convolutional codes","level":5,"score":0.5254271030426025},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.5234332084655762},{"id":"https://openalex.org/C1842014","wikidata":"https://www.wikidata.org/wiki/Q1502046","display_name":"Generator matrix","level":3,"score":0.5156075358390808},{"id":"https://openalex.org/C101252705","wikidata":"https://www.wikidata.org/wiki/Q7294373","display_name":"Raptor code","level":5,"score":0.48425790667533875},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.48287537693977356},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.4592686891555786},{"id":"https://openalex.org/C128151799","wikidata":"https://www.wikidata.org/wiki/Q13563306","display_name":"Luby transform code","level":5,"score":0.4587545394897461},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4561156928539276},{"id":"https://openalex.org/C2400350","wikidata":"https://www.wikidata.org/wiki/Q1752667","display_name":"Linear code","level":4,"score":0.4543943703174591},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.448581725358963},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37468278408050537},{"id":"https://openalex.org/C46462455","wikidata":"https://www.wikidata.org/wiki/Q5395712","display_name":"Error floor","level":4,"score":0.2983214855194092},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.23337623476982117},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2004.1365312","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365312","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2128765501"],"related_works":["https://openalex.org/W1983642614","https://openalex.org/W3149223615","https://openalex.org/W2090439277","https://openalex.org/W2343252454","https://openalex.org/W2109584182","https://openalex.org/W1970962308","https://openalex.org/W2163809087","https://openalex.org/W2735784474","https://openalex.org/W2075924030","https://openalex.org/W2895684876"],"abstract_inverted_index":{"Low-density":[0],"parity-check":[1],"(LDPC)":[2],"codes":[3,14,21,31,59,67],"are":[4,32,75],"one":[5],"of":[6,56,64],"the":[7,54],"most":[8],"promising":[9],"next":[10],"generation":[11],"error":[12],"correcting":[13],"and":[15,45,60],"many":[16,24],"investigations":[17],"shows":[18],"that":[19],"LDPC":[20,30,58],"suitable":[22],"for":[23],"hardware":[25],"implementation.":[26],"Although":[27],"randomly":[28],"constructed":[29],"usually":[33],"encoded":[34],"by":[35,68],"using":[36],"generator":[37],"matrix,":[38],"this":[39],"method":[40],"requires":[41],"quadratic":[42],"time":[43],"complexity":[44],"is":[46],"not":[47],"easy":[48,77],"to":[49,78],"implement.":[50,79],"This":[51],"work":[52],"presents":[53],"encoding":[55],"array-type":[57],"a":[61],"special":[62],"class":[63],"Sridhara-Fuja-Tanner":[65],"(SFT)":[66],"division":[69],"circuits":[70],"as":[71],"cyclic":[72],"codes,":[73],"which":[74],"very":[76]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}