{"id":"https://openalex.org/W2340658346","doi":"https://doi.org/10.1109/lascas.2016.7451037","title":"Design of optimized radix-2 and radix-4 butterflies from FFT with decimation in time","display_name":"Design of optimized radix-2 and radix-4 butterflies from FFT with decimation in time","publication_year":2016,"publication_date":"2016-02-01","ids":{"openalex":"https://openalex.org/W2340658346","doi":"https://doi.org/10.1109/lascas.2016.7451037","mag":"2340658346"},"language":"en","primary_location":{"id":"doi:10.1109/lascas.2016.7451037","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lascas.2016.7451037","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE 7th Latin American Symposium on Circuits &amp; Systems (LASCAS)","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/A5061388356","display_name":"Renato Neuenfeld","orcid":null},"institutions":[{"id":"https://openalex.org/I110676245","display_name":"Universidade Cat\u00f3lica de Pelotas","ror":"https://ror.org/0376myh60","country_code":"BR","type":"education","lineage":["https://openalex.org/I110676245"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Renato Neuenfeld","raw_affiliation_strings":["Graduate Program on Electronic Engineering and Computing, Catholic University of Pelotas (UCPel), Pelotas, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Program on Electronic Engineering and Computing, Catholic University of Pelotas (UCPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I110676245"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068978110","display_name":"Mateus Beck Fonseca","orcid":null},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Mateus Fonseca","raw_affiliation_strings":["Engineering Center, Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center, Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074598853","display_name":"Eduardo Costa","orcid":"https://orcid.org/0000-0003-0521-5898"},"institutions":[{"id":"https://openalex.org/I110676245","display_name":"Universidade Cat\u00f3lica de Pelotas","ror":"https://ror.org/0376myh60","country_code":"BR","type":"education","lineage":["https://openalex.org/I110676245"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Eduardo Costa","raw_affiliation_strings":["Graduate Program on Electronic Engineering and Computing, Catholic University of Pelotas (UCPel), Pelotas, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Program on Electronic Engineering and Computing, Catholic University of Pelotas (UCPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I110676245"]}]}],"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":23,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"171","last_page":"174"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.9991000294685364,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9940999746322632,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/radix","display_name":"Radix (gastropod)","score":0.8383290767669678},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.7629139423370361},{"id":"https://openalex.org/keywords/adder","display_name":"Adder","score":0.6916143298149109},{"id":"https://openalex.org/keywords/decimation","display_name":"Decimation","score":0.6824131608009338},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.6492053270339966},{"id":"https://openalex.org/keywords/subtractor","display_name":"Subtractor","score":0.5777596831321716},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5776224136352539},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.458246648311615},{"id":"https://openalex.org/keywords/butterfly","display_name":"Butterfly","score":0.4117475748062134},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3683475852012634},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.36799219250679016},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3633999824523926},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.18645039200782776},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.12788832187652588},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10940313339233398}],"concepts":[{"id":"https://openalex.org/C2779091547","wikidata":"https://www.wikidata.org/wiki/Q287565","display_name":"Radix (gastropod)","level":2,"score":0.8383290767669678},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.7629139423370361},{"id":"https://openalex.org/C164620267","wikidata":"https://www.wikidata.org/wiki/Q376953","display_name":"Adder","level":3,"score":0.6916143298149109},{"id":"https://openalex.org/C173642442","wikidata":"https://www.wikidata.org/wiki/Q1253346","display_name":"Decimation","level":3,"score":0.6824131608009338},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.6492053270339966},{"id":"https://openalex.org/C187805909","wikidata":"https://www.wikidata.org/wiki/Q1142401","display_name":"Subtractor","level":4,"score":0.5777596831321716},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5776224136352539},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.458246648311615},{"id":"https://openalex.org/C2778605236","wikidata":"https://www.wikidata.org/wiki/Q1018085","display_name":"Butterfly","level":2,"score":0.4117475748062134},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3683475852012634},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.36799219250679016},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3633999824523926},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.18645039200782776},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.12788832187652588},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10940313339233398},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lascas.2016.7451037","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lascas.2016.7451037","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE 7th Latin American Symposium on Circuits &amp; Systems (LASCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1619166040","https://openalex.org/W1766888123","https://openalex.org/W1988407504","https://openalex.org/W2024832005","https://openalex.org/W2024949545","https://openalex.org/W2042076333","https://openalex.org/W2042123141","https://openalex.org/W2061171222","https://openalex.org/W2161522276","https://openalex.org/W2504507112","https://openalex.org/W3034467065","https://openalex.org/W7028822189"],"related_works":["https://openalex.org/W2390313118","https://openalex.org/W1524890377","https://openalex.org/W2541509322","https://openalex.org/W2959321197","https://openalex.org/W4206835326","https://openalex.org/W2782079150","https://openalex.org/W56589247","https://openalex.org/W2767671766","https://openalex.org/W3037505396","https://openalex.org/W2129868416"],"abstract_inverted_index":{"In":[0,17,44],"the":[1,4,28,31,36,52,63,69,97,111,117,125,140,143,148,152,157],"FFT":[2,42],"computation,":[3],"butterflies":[5,59],"play":[6],"a":[7,83],"central":[8],"role,":[9],"since":[10],"they":[11],"allow":[12],"calculation":[13],"of":[14,22,30,38,41,71,102,113,145,147,159],"complex":[15],"terms.":[16],"this":[18,45,103,163],"calculation,":[19],"involving":[20],"multiplications":[21],"input":[23],"data":[24],"with":[25,136],"appropriate":[26],"coefficients,":[27],"optimization":[29,126],"butterfly":[32,85,106],"can":[33],"contribute":[34],"for":[35,51,131,162],"reduction":[37,158],"power":[39,129,160],"consumption":[40,130,161],"architectures.":[43],"paper":[46],"different":[47],"and":[48,56,93],"dedicated":[49],"structures":[50],"16":[53],"bit-width":[54],"radix-2":[55,84,105,132,150],"radix-4":[57,118,153],"DIT":[58],"are":[60],"implemented,":[61],"where":[62],"main":[64,121],"goal":[65],"is":[66,107],"to":[67,76,109,156],"minimize":[68],"number":[70,112],"arithmetic":[72],"operators":[73],"in":[74,88,96,116],"order":[75],"produce":[77],"power-efficient":[78],"structures.":[79],"Firstly,":[80],"we":[81],"improve":[82],"previously":[86],"presented":[87],"literature,":[89],"reducing":[90],"one":[91,94],"adder":[92],"subtractor":[95],"structure.":[98,164],"After":[99],"that,":[100],"part":[101,146],"optimized":[104,149],"used":[108],"reduce":[110],"real":[114],"multipliers":[115],"butterfly.":[119],"The":[120],"results":[122],"show":[123],"that":[124],"guarantees":[127],"reduced":[128],"butterfly,":[133],"when":[134],"compared":[135],"previous":[137],"works":[138],"from":[139],"literature.":[141],"Moreover,":[142],"use":[144],"into":[151],"structure":[154],"leads":[155]},"counts_by_year":[{"year":2023,"cited_by_count":5},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":6}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
