{"id":"https://openalex.org/W3091631049","doi":"https://doi.org/10.1109/iscas45731.2020.9181181","title":"Energy Reduction in Turbo Decoding through Dynamically Varying Bit-Widths","display_name":"Energy Reduction in Turbo Decoding through Dynamically Varying Bit-Widths","publication_year":2020,"publication_date":"2020-09-29","ids":{"openalex":"https://openalex.org/W3091631049","doi":"https://doi.org/10.1109/iscas45731.2020.9181181","mag":"3091631049"},"language":"en","primary_location":{"id":"doi:10.1109/iscas45731.2020.9181181","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas45731.2020.9181181","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5018123470","display_name":"Sundarrajan Rangachari","orcid":"https://orcid.org/0000-0003-2170-3285"},"institutions":[{"id":"https://openalex.org/I4210109535","display_name":"Texas Instruments (India)","ror":"https://ror.org/01t305n31","country_code":"IN","type":"company","lineage":["https://openalex.org/I4210109535","https://openalex.org/I74760111"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sundarrajan Rangachari","raw_affiliation_strings":["Texas Instruments India"],"affiliations":[{"raw_affiliation_string":"Texas Instruments India","institution_ids":["https://openalex.org/I4210109535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009851991","display_name":"Nitin Chandrachoodan","orcid":"https://orcid.org/0000-0002-9258-7317"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nitin Chandrachoodan","raw_affiliation_strings":["Indian Institute of Technology, Madras","Indian Institute of Technology, Madras, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology, Madras","institution_ids":["https://openalex.org/I24676775"]},{"raw_affiliation_string":"Indian Institute of Technology, Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5018123470"],"corresponding_institution_ids":["https://openalex.org/I4210109535"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.15195206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9994999766349792,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9939000010490417,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.81093829870224},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7372677326202393},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6885160803794861},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.6039876937866211},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5499404072761536},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5494751334190369},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5493854284286499},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.5388588309288025},{"id":"https://openalex.org/keywords/bit","display_name":"Bit (key)","score":0.47299274802207947},{"id":"https://openalex.org/keywords/turbo-equalizer","display_name":"Turbo equalizer","score":0.4426473379135132},{"id":"https://openalex.org/keywords/turbo","display_name":"Turbo","score":0.4379432201385498},{"id":"https://openalex.org/keywords/bcjr-algorithm","display_name":"BCJR algorithm","score":0.4219844341278076},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.412663072347641},{"id":"https://openalex.org/keywords/sequential-decoding","display_name":"Sequential decoding","score":0.3777710795402527},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3408733606338501},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32010191679000854},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.22138488292694092},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19169697165489197},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.15851202607154846},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.13918817043304443},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08743080496788025},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07768961787223816},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06646749377250671}],"concepts":[{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.81093829870224},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7372677326202393},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6885160803794861},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.6039876937866211},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5499404072761536},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5494751334190369},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5493854284286499},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.5388588309288025},{"id":"https://openalex.org/C117011727","wikidata":"https://www.wikidata.org/wiki/Q1278488","display_name":"Bit (key)","level":2,"score":0.47299274802207947},{"id":"https://openalex.org/C12232224","wikidata":"https://www.wikidata.org/wiki/Q7853840","display_name":"Turbo equalizer","level":5,"score":0.4426473379135132},{"id":"https://openalex.org/C2776240298","wikidata":"https://www.wikidata.org/wiki/Q1138513","display_name":"Turbo","level":2,"score":0.4379432201385498},{"id":"https://openalex.org/C64948573","wikidata":"https://www.wikidata.org/wiki/Q625117","display_name":"BCJR algorithm","level":5,"score":0.4219844341278076},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.412663072347641},{"id":"https://openalex.org/C193969084","wikidata":"https://www.wikidata.org/wiki/Q7452500","display_name":"Sequential decoding","level":4,"score":0.3777710795402527},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3408733606338501},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32010191679000854},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.22138488292694092},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19169697165489197},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.15851202607154846},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.13918817043304443},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08743080496788025},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07768961787223816},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06646749377250671},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas45731.2020.9181181","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas45731.2020.9181181","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.9100000262260437,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1562979145","https://openalex.org/W1564859142","https://openalex.org/W1589032926","https://openalex.org/W1606364085","https://openalex.org/W1981261973","https://openalex.org/W2016161265","https://openalex.org/W2028339274","https://openalex.org/W2029796766","https://openalex.org/W2031552619","https://openalex.org/W2037614713","https://openalex.org/W2038705510","https://openalex.org/W2045407304","https://openalex.org/W2048804570","https://openalex.org/W2050939415","https://openalex.org/W2082593890","https://openalex.org/W2135347324","https://openalex.org/W2141578547","https://openalex.org/W2142827987","https://openalex.org/W2145156162","https://openalex.org/W2145638241","https://openalex.org/W2920402774","https://openalex.org/W4230545903"],"related_works":["https://openalex.org/W2161351338","https://openalex.org/W2103764150","https://openalex.org/W1847760306","https://openalex.org/W2116478666","https://openalex.org/W1764053671","https://openalex.org/W4230538726","https://openalex.org/W748999589","https://openalex.org/W2593195270","https://openalex.org/W4287740435","https://openalex.org/W2147600706"],"abstract_inverted_index":{"We":[0,21,74],"investigate":[1],"the":[2,7,37,52,71,96,106],"impact":[3,47],"of":[4,17,32,39,86],"dynamically":[5],"changing":[6],"numerical":[8],"bit-width":[9,58],"across":[10],"iterations":[11,27],"in":[12,57,70],"a":[13,18,29,76],"BCJR":[14],"component":[15],"decoder":[16],"turbo":[19],"decoder.":[20],"show":[22],"that":[23,89],"by":[24,116],"performing":[25],"initial":[26],"with":[28,100],"larger":[30],"number":[31,38],"bits":[33],"but":[34],"thereafter":[35],"reducing":[36],"bits,":[40],"it":[41],"is":[42],"possible":[43],"to":[44,66],"have":[45],"minimal":[46],"on":[48],"decoding":[49,111],"accuracy.":[50],"At":[51],"same":[53],"time,":[54],"this":[55,91],"reduction":[56],"can":[59,113],"be":[60,114],"exploited":[61],"through":[62],"appropriate":[63],"hardware":[64],"changes":[65],"consume":[67],"less":[68],"power":[69,92],"later":[72],"iterations.":[73],"propose":[75],"new":[77],"state":[78],"encoding":[79],"mechanism":[80],"as":[81,83],"well":[82],"an":[84],"organization":[85],"memory":[87],"blocks":[88],"enables":[90],"reduction,":[93],"and":[94],"quantify":[95],"effects.":[97],"When":[98],"combined":[99],"other":[101],"schemes":[102],"for":[103],"early":[104],"termination,":[105],"overall":[107],"energy":[108],"consumed":[109],"per":[110],"operation":[112],"reduced":[115],"between":[117],"10-20%.":[118]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
