{"id":"https://openalex.org/W2336946788","doi":"https://doi.org/10.1109/tvlsi.2016.2544838","title":"Low-Power Split-Radix FFT Processors Using Radix-2 Butterfly Units","display_name":"Low-Power Split-Radix FFT Processors Using Radix-2 Butterfly Units","publication_year":2016,"publication_date":"2016-04-12","ids":{"openalex":"https://openalex.org/W2336946788","doi":"https://doi.org/10.1109/tvlsi.2016.2544838","mag":"2336946788"},"language":"en","primary_location":{"id":"doi:10.1109/tvlsi.2016.2544838","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvlsi.2016.2544838","pdf_url":null,"source":{"id":"https://openalex.org/S37538908","display_name":"IEEE Transactions on Very Large Scale Integration (VLSI) Systems","issn_l":"1063-8210","issn":["1063-8210","1557-9999"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Very Large Scale Integration (VLSI) Systems","raw_type":"journal-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/A5006757984","display_name":"Zhuo Qian","orcid":"https://orcid.org/0009-0007-1587-8851"},"institutions":[{"id":"https://openalex.org/I133738476","display_name":"University of Massachusetts Lowell","ror":"https://ror.org/03hamhx47","country_code":"US","type":"education","lineage":["https://openalex.org/I133738476"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Zhuo Qian","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA","institution_ids":["https://openalex.org/I133738476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062664944","display_name":"Martin Margala","orcid":"https://orcid.org/0000-0002-0034-0369"},"institutions":[{"id":"https://openalex.org/I133738476","display_name":"University of Massachusetts Lowell","ror":"https://ror.org/03hamhx47","country_code":"US","type":"education","lineage":["https://openalex.org/I133738476"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Martin Margala","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA","institution_ids":["https://openalex.org/I133738476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5006757984"],"corresponding_institution_ids":["https://openalex.org/I133738476"],"apc_list":null,"apc_paid":null,"fwci":3.8845,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.94148126,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"24","issue":"9","first_page":"3008","last_page":"3012"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9997000098228455,"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":0.9997000098228455,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9930999875068665,"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.9886999726295471,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/twiddle-factor","display_name":"Twiddle factor","score":0.8707819581031799},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.8442662358283997},{"id":"https://openalex.org/keywords/split-radix-fft-algorithm","display_name":"Split-radix FFT algorithm","score":0.7397034764289856},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6630243062973022},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.658331036567688},{"id":"https://openalex.org/keywords/prime-factor-fft-algorithm","display_name":"Prime-factor FFT algorithm","score":0.5881946682929993},{"id":"https://openalex.org/keywords/radix","display_name":"Radix (gastropod)","score":0.4845939874649048},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.4342391788959503},{"id":"https://openalex.org/keywords/cooley\u2013tukey-fft-algorithm","display_name":"Cooley\u2013Tukey FFT algorithm","score":0.4322061538696289},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32585105299949646},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26102250814437866},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.12275263667106628}],"concepts":[{"id":"https://openalex.org/C4697666","wikidata":"https://www.wikidata.org/wiki/Q7857913","display_name":"Twiddle factor","level":5,"score":0.8707819581031799},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.8442662358283997},{"id":"https://openalex.org/C103755468","wikidata":"https://www.wikidata.org/wiki/Q17103599","display_name":"Split-radix FFT algorithm","level":5,"score":0.7397034764289856},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6630243062973022},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.658331036567688},{"id":"https://openalex.org/C77928272","wikidata":"https://www.wikidata.org/wiki/Q7243214","display_name":"Prime-factor FFT algorithm","level":5,"score":0.5881946682929993},{"id":"https://openalex.org/C2779091547","wikidata":"https://www.wikidata.org/wiki/Q287565","display_name":"Radix (gastropod)","level":2,"score":0.4845939874649048},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.4342391788959503},{"id":"https://openalex.org/C1370844","wikidata":"https://www.wikidata.org/wiki/Q5167446","display_name":"Cooley\u2013Tukey FFT algorithm","level":3,"score":0.4322061538696289},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32585105299949646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26102250814437866},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.12275263667106628},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"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/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvlsi.2016.2544838","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvlsi.2016.2544838","pdf_url":null,"source":{"id":"https://openalex.org/S37538908","display_name":"IEEE Transactions on Very Large Scale Integration (VLSI) Systems","issn_l":"1063-8210","issn":["1063-8210","1557-9999"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Very Large Scale Integration (VLSI) Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6800000071525574,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1965101604","https://openalex.org/W1977482330","https://openalex.org/W1988407504","https://openalex.org/W2036812077","https://openalex.org/W2083629697","https://openalex.org/W2106805276","https://openalex.org/W2117639037","https://openalex.org/W2124365448","https://openalex.org/W2141685778","https://openalex.org/W2163540073","https://openalex.org/W3141080696"],"related_works":["https://openalex.org/W1984254719","https://openalex.org/W2031343199","https://openalex.org/W2047042807","https://openalex.org/W2017578039","https://openalex.org/W2371538653","https://openalex.org/W4255785774","https://openalex.org/W4229456379","https://openalex.org/W2149121524","https://openalex.org/W4246835537","https://openalex.org/W2042527476"],"abstract_inverted_index":{"Split-radix":[0],"fast":[1],"Fourier":[2],"transform":[3],"(SRFFT)":[4],"is":[5,49,57],"an":[6,37],"ideal":[7],"candidate":[8],"for":[9,41,145],"the":[10,20,28,32,58,65,89,123,131,147,161,166],"implementation":[11],"of":[12,23,34,55,70,84,91,133],"a":[13,99,114,177],"low-power":[14,101],"FFT":[15,29,42,71],"processor,":[16],"because":[17],"it":[18],"has":[19,81],"lowest":[21],"number":[22],"arithmetic":[24],"operations":[25],"among":[26],"all":[27],"algorithms.":[30],"In":[31,138],"design":[33,168],"such":[35],"processors,":[36],"efficient":[38],"addressing":[39],"scheme":[40],"data":[43,72],"as":[44,46,60],"well":[45],"twiddle":[47,85,151],"factors":[48,86,152],"required.":[50],"The":[51,119],"signal":[52],"flow":[53],"graph":[54],"SRFFT":[56,80,102,108],"same":[59],"radix-2":[61,92,116,163],"FFT,":[62],"and":[63,87,149],"therefore,":[64],"conventional":[66,162],"address":[67,93,142],"generation":[68,94,143],"schemes":[69],"could":[73],"also":[74],"be":[75,110],"applied":[76],"to":[77,126],"SRFFT.":[78],"However,":[79],"irregular":[82],"locations":[83],"forbids":[88],"application":[90],"methods.":[95],"This":[96],"brief":[97],"presents":[98],"shared-memory":[100,164],"processor":[103],"architecture.":[104],"We":[105],"show":[106,157],"that":[107,158],"can":[109],"computed":[111],"by":[112],"using":[113,134],"modified":[115],"butterfly":[117,120],"unit.":[118],"unit":[121],"exploits":[122],"multiplier-gating":[124],"technique":[125],"save":[127],"dynamic":[128],"power":[129,173],"at":[130],"expense":[132],"more":[135],"hardware":[136],"resources.":[137],"addition,":[139],"two":[140],"novel":[141],"algorithms":[144],"both":[146],"trivial":[148],"nontrivial":[150],"are":[153],"developed.":[154],"Simulation":[155],"results":[156],"compared":[159],"with":[160],"implementations,":[165],"proposed":[167],"achieves":[169],"over":[170],"20%":[171],"lower":[172],"consumption":[174],"when":[175],"computing":[176],"1024-point":[178],"complex-valued":[179],"transform.":[180]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}