{"id":"https://openalex.org/W4411172403","doi":"https://doi.org/10.1109/access.2025.3578531","title":"Hardware Implementation of Block Floating-Point FFT Based on Approximate Computation and Conflict-Free Access","display_name":"Hardware Implementation of Block Floating-Point FFT Based on Approximate Computation and Conflict-Free Access","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4411172403","doi":"https://doi.org/10.1109/access.2025.3578531"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3578531","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3578531","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2025.3578531","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074966994","display_name":"Xiaohui Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210119392","display_name":"Institute of Microelectronics","ror":"https://ror.org/02s6gs133","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210119392"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaohui Zhang","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100521251","display_name":"Zenghui Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210119392","display_name":"Institute of Microelectronics","ror":"https://ror.org/02s6gs133","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210119392"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zenghui Yu","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026870474","display_name":"Shushan Qiao","orcid":"https://orcid.org/0000-0002-9102-2111"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210119392","display_name":"Institute of Microelectronics","ror":"https://ror.org/02s6gs133","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210119392"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shushan Qiao","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111010105","display_name":"Yi Zhan","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210119392","display_name":"Institute of Microelectronics","ror":"https://ror.org/02s6gs133","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210119392"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Zhan","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210119392","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5074966994"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210119392"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1127564,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":null,"first_page":"106989","last_page":"106997"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9836999773979187,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9830999970436096,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/computer-science","display_name":"Computer science","score":0.7709112763404846},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.713794469833374},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6320145130157471},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6267106533050537},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5663523077964783},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.39457088708877563},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.36396872997283936},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2746100425720215},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11060830950737}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7709112763404846},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.713794469833374},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6320145130157471},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6267106533050537},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5663523077964783},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.39457088708877563},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.36396872997283936},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2746100425720215},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11060830950737},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2025.3578531","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3578531","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c339c35162584251be74e5c57880ceea","is_oa":true,"landing_page_url":"https://doaj.org/article/c339c35162584251be74e5c57880ceea","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 106989-106997 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3578531","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3578531","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W2407573999","https://openalex.org/W2594399252","https://openalex.org/W2597270868","https://openalex.org/W2739193618","https://openalex.org/W2786966987","https://openalex.org/W2799873623","https://openalex.org/W2801003907","https://openalex.org/W2897669092","https://openalex.org/W2902132001","https://openalex.org/W2946994569","https://openalex.org/W2969472291","https://openalex.org/W3084237970","https://openalex.org/W3179259833","https://openalex.org/W3193623193","https://openalex.org/W4206329654","https://openalex.org/W4285274090","https://openalex.org/W4288391459","https://openalex.org/W4313147184","https://openalex.org/W4321021983","https://openalex.org/W4385453519","https://openalex.org/W4385486157","https://openalex.org/W4385656597","https://openalex.org/W4385819965","https://openalex.org/W4390017899","https://openalex.org/W4400228861"],"related_works":["https://openalex.org/W4327521644","https://openalex.org/W3132558499","https://openalex.org/W2978884468","https://openalex.org/W2005846134","https://openalex.org/W2168413811","https://openalex.org/W2369237035","https://openalex.org/W2948041274","https://openalex.org/W4226515754","https://openalex.org/W2087878472","https://openalex.org/W2029210135"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,90,94,103,110,120,128],"novel":[4],"Fast":[5,53],"Fourier":[6,54],"Transform":[7,55],"hardware":[8],"architecture":[9,28,139],"for":[10,115],"natural-order":[11],"multi-input":[12],"multi-output":[13],"processing,":[14,72],"which":[15],"is":[16],"based":[17],"on":[18],"approximate":[19,35],"computing":[20],"and":[21,51,73,127],"the":[22,31,38,63,86],"block":[23,42],"floating-point":[24,43],"data":[25,44,66],"format.":[26],"The":[27],"innovatively":[29],"combines":[30],"low-power":[32],"characteristics":[33],"of":[34,41,49,98,105,112,123,131],"multipliers":[36],"with":[37,119],"high-precision":[39],"advantages":[40],"formats,":[45],"enabling":[46],"efficient":[47],"processing":[48],"2048-point":[50],"4096-point":[52,116],"data.":[56],"By":[57],"employing":[58],"conflict-free":[59],"memory":[60],"access":[61],"techniques,":[62],"design":[64],"optimizes":[65],"scheduling,":[67],"reduces":[68],"idle":[69],"cycles":[70],"during":[71],"significantly":[74],"enhances":[75],"energy":[76,149],"efficiency":[77],"while":[78,146],"maintaining":[79,147],"computational":[80],"accuracy.":[81],"Experimental":[82],"validation":[83],"demonstrates":[84],"that":[85],"processor,":[87],"fabricated":[88],"using":[89],"40nm":[91],"process,":[92],"achieves":[93,140],"compact":[95],"chip":[96],"area":[97],"0.42":[99],"mm\u00b2.":[100],"Operating":[101],"at":[102],"frequency":[104],"671.14":[106],"MHz,":[107],"it":[108],"delivers":[109],"throughput":[111,144],"1073.82":[113],"MS/s":[114],"FFT":[117],"computations,":[118],"power":[121],"consumption":[122],"only":[124],"110.85":[125],"mW":[126],"signal-quantization-to-noise":[129],"ratio":[130],"58.51":[132],"dB.":[133],"Compared":[134],"to":[135],"state-of-the-art":[136],"designs,":[137],"this":[138],"breakthrough":[141],"improvements":[142],"in":[143],"performance":[145],"competitive":[148],"efficiency.":[150]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}