{"id":"https://openalex.org/W2948678277","doi":"https://doi.org/10.1587/elex.16.20190181","title":"Implementation of a radix-2<sup>k</sup> fixed-point pipeline FFT processor with optimized word length scheme","display_name":"Implementation of a radix-2<sup>k</sup> fixed-point pipeline FFT processor with optimized word length scheme","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2948678277","doi":"https://doi.org/10.1587/elex.16.20190181","mag":"2948678277"},"language":"en","primary_location":{"id":"doi:10.1587/elex.16.20190181","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.16.20190181","pdf_url":"https://www.jstage.jst.go.jp/article/elex/16/13/16_16.20190181/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/elex/16/13/16_16.20190181/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100878802","display_name":"Long Pang","orcid":null},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Long Pang","raw_affiliation_strings":["School of Information and Communication Engineering, Communication University of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Communication University of China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049266422","display_name":"Shan Dong","orcid":"https://orcid.org/0000-0003-1894-7449"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shan Dong","raw_affiliation_strings":["School of Information and Communication Engineering, Communication University of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Communication University of China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047161111","display_name":"Libiao Jin","orcid":"https://orcid.org/0000-0003-4530-2996"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Libiao Jin","raw_affiliation_strings":["School of Information and Communication Engineering, Communication University of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Communication University of China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102007297","display_name":"Chen Yang","orcid":"https://orcid.org/0000-0002-0383-2705"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen Yang","raw_affiliation_strings":["Huawei Hisilicon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Hisilicon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101784204","display_name":"Bingyi Li","orcid":"https://orcid.org/0009-0003-3400-3189"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingyi Li","raw_affiliation_strings":["Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100385328","display_name":"Yu Xie","orcid":"https://orcid.org/0000-0002-4832-3453"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Xie","raw_affiliation_strings":["Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014833698","display_name":"Yizhuang Xie","orcid":"https://orcid.org/0000-0003-1312-2691"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yizhuang Xie","raw_affiliation_strings":["Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100327685","display_name":"He Chen","orcid":"https://orcid.org/0000-0003-4182-6493"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"He Chen","raw_affiliation_strings":["Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04595532,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"13","first_page":"20190181","last_page":"20190181"},"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.9975000023841858,"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/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.8996243476867676},{"id":"https://openalex.org/keywords/split-radix-fft-algorithm","display_name":"Split-radix FFT algorithm","score":0.7888636589050293},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7075949311256409},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.6228371262550354},{"id":"https://openalex.org/keywords/prime-factor-fft-algorithm","display_name":"Prime-factor FFT algorithm","score":0.5651940107345581},{"id":"https://openalex.org/keywords/word-length","display_name":"Word length","score":0.5483614802360535},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5394909977912903},{"id":"https://openalex.org/keywords/raders-fft-algorithm","display_name":"Rader's FFT algorithm","score":0.5327178239822388},{"id":"https://openalex.org/keywords/decimation","display_name":"Decimation","score":0.5292907357215881},{"id":"https://openalex.org/keywords/fixed-point-arithmetic","display_name":"Fixed-point arithmetic","score":0.5123544931411743},{"id":"https://openalex.org/keywords/twiddle-factor","display_name":"Twiddle factor","score":0.503889262676239},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4837786853313446},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.46983999013900757},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.46184295415878296},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.40502697229385376},{"id":"https://openalex.org/keywords/floating-point","display_name":"Floating point","score":0.24303647875785828},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2222362756729126},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.1458374559879303},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.10584685206413269},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.090086430311203},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08172759413719177}],"concepts":[{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.8996243476867676},{"id":"https://openalex.org/C103755468","wikidata":"https://www.wikidata.org/wiki/Q17103599","display_name":"Split-radix FFT algorithm","level":5,"score":0.7888636589050293},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7075949311256409},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.6228371262550354},{"id":"https://openalex.org/C77928272","wikidata":"https://www.wikidata.org/wiki/Q7243214","display_name":"Prime-factor FFT algorithm","level":5,"score":0.5651940107345581},{"id":"https://openalex.org/C3019641298","wikidata":"https://www.wikidata.org/wiki/Q625642","display_name":"Word length","level":2,"score":0.5483614802360535},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5394909977912903},{"id":"https://openalex.org/C69598009","wikidata":"https://www.wikidata.org/wiki/Q7280126","display_name":"Rader's FFT algorithm","level":5,"score":0.5327178239822388},{"id":"https://openalex.org/C173642442","wikidata":"https://www.wikidata.org/wiki/Q1253346","display_name":"Decimation","level":3,"score":0.5292907357215881},{"id":"https://openalex.org/C163973906","wikidata":"https://www.wikidata.org/wiki/Q649900","display_name":"Fixed-point arithmetic","level":3,"score":0.5123544931411743},{"id":"https://openalex.org/C4697666","wikidata":"https://www.wikidata.org/wiki/Q7857913","display_name":"Twiddle factor","level":5,"score":0.503889262676239},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4837786853313446},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.46983999013900757},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.46184295415878296},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.40502697229385376},{"id":"https://openalex.org/C84211073","wikidata":"https://www.wikidata.org/wiki/Q117879","display_name":"Floating point","level":2,"score":0.24303647875785828},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2222362756729126},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.1458374559879303},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.10584685206413269},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.090086430311203},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08172759413719177},{"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/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.0},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/elex.16.20190181","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.16.20190181","pdf_url":"https://www.jstage.jst.go.jp/article/elex/16/13/16_16.20190181/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/elex.16.20190181","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.16.20190181","pdf_url":"https://www.jstage.jst.go.jp/article/elex/16/13/16_16.20190181/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5099999904632568}],"awards":[],"funders":[{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2948678277.pdf","grobid_xml":"https://content.openalex.org/works/W2948678277.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1573827458","https://openalex.org/W1975210673","https://openalex.org/W1981782839","https://openalex.org/W2003105206","https://openalex.org/W2011596161","https://openalex.org/W2017069006","https://openalex.org/W2017216250","https://openalex.org/W2025847799","https://openalex.org/W2035137327","https://openalex.org/W2052208140","https://openalex.org/W2058167130","https://openalex.org/W2097392854","https://openalex.org/W2097780146","https://openalex.org/W2104176873","https://openalex.org/W2104865560","https://openalex.org/W2114226430","https://openalex.org/W2114766445","https://openalex.org/W2117563501","https://openalex.org/W2117981068","https://openalex.org/W2121602084","https://openalex.org/W2124365448","https://openalex.org/W2141427150","https://openalex.org/W2144895495","https://openalex.org/W2146279773","https://openalex.org/W2148951605","https://openalex.org/W2160415569","https://openalex.org/W2166141986","https://openalex.org/W2166577902","https://openalex.org/W2170142399","https://openalex.org/W2171596107","https://openalex.org/W2534948908"],"related_works":["https://openalex.org/W2149121524","https://openalex.org/W1984254719","https://openalex.org/W2031343199","https://openalex.org/W2151986570","https://openalex.org/W2061302196","https://openalex.org/W2958343630","https://openalex.org/W2159447938","https://openalex.org/W2065778560","https://openalex.org/W2513406307","https://openalex.org/W2948678277"],"abstract_inverted_index":{"To":[0],"design":[1],"a":[2,88,115],"high-precision":[3],"and":[4,39,101,131],"low-complexity":[5],"FFT/IFFT":[6],"processor":[7,118],"architecture,":[8],"the":[9,34,40,51,95],"optimum":[10],"bit":[11],"sizing":[12],"technique":[13],"in":[14,79,119],"each":[15],"stage":[16],"is":[17,22,82],"usually":[18],"adopted.":[19],"However,":[20],"it":[21],"difficult":[23],"to":[24,33],"provide":[25],"an":[26,73],"accurate,":[27],"fast":[28],"word":[29,77,89],"length":[30,90],"scheme":[31],"due":[32],"diversity":[35],"of":[36,42,76],"FFT":[37,68,117],"algorithms":[38],"complexity":[41],"circuit":[43],"structure.":[44],"In":[45],"this":[46],"paper,":[47],"we":[48,113],"focus":[49],"on":[50,62,66,94],"widely-used":[52],"radix-2k":[53],"Decimation-In-Frequency":[54],"(DIF)":[55],"Fast":[56],"Fourier":[57],"Transform":[58],"(FFT)":[59],"algorithm.":[60],"Based":[61],"our":[63],"previous":[64,110],"research":[65],"fixed-point":[67],"Signal-to-Quantization-Noise":[69],"Ratio":[70],"(SQNR)":[71],"assessment,":[72],"analytical":[74,96],"expression":[75],"lengths":[78],"different":[80],"stages":[81],"deduced.":[83],"We":[84],"further":[85],"put":[86],"forward":[87],"optimization":[91],"method":[92,125],"based":[93],"expression.":[97],"Pre-layout":[98],"logic":[99],"synthesis":[100],"power":[102],"simulation":[103,134],"are":[104],"performed":[105],"for":[106],"comparison":[107],"with":[108],"some":[109],"works.":[111],"Eventually,":[112],"implement":[114],"16384-point":[116],"0.13":[120],"\u00b5m":[121],"technology.":[122],"The":[123],"proposed":[124],"yields":[126],"more":[127,133],"hardware":[128],"resource":[129],"benefit":[130],"saves":[132],"time.":[135]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2019-06-14T00:00:00"}