{"id":"https://openalex.org/W2186857637","doi":"https://doi.org/10.1109/tcsi.2015.2495724","title":"Efficient VLSI Architecture for Decimation-in-Time Fast Fourier Transform of Real-Valued Data","display_name":"Efficient VLSI Architecture for Decimation-in-Time Fast Fourier Transform of Real-Valued Data","publication_year":2015,"publication_date":"2015-12-01","ids":{"openalex":"https://openalex.org/W2186857637","doi":"https://doi.org/10.1109/tcsi.2015.2495724","mag":"2186857637"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2015.2495724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2015.2495724","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","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/A5025809855","display_name":"Pramod Kumar Meher","orcid":"https://orcid.org/0000-0003-0992-1159"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Pramod Kumar Meher","raw_affiliation_strings":["School of Computer Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019078090","display_name":"Basant Kumar Mohanty","orcid":"https://orcid.org/0000-0002-1542-1575"},"institutions":[{"id":"https://openalex.org/I25205351","display_name":"Jaypee University of Engineering and Technology","ror":"https://ror.org/040jmyh64","country_code":"IN","type":"education","lineage":["https://openalex.org/I25205351"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Basant Kumar Mohanty","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Jaypee University of Engineering and Technology, Raghogarh, Guna, Madhy Pradesh, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Jaypee University of Engineering and Technology, Raghogarh, Guna, Madhy Pradesh, India","institution_ids":["https://openalex.org/I25205351"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087401305","display_name":"Sujit Kumar Patel","orcid":"https://orcid.org/0000-0002-6160-1809"},"institutions":[{"id":"https://openalex.org/I25205351","display_name":"Jaypee University of Engineering and Technology","ror":"https://ror.org/040jmyh64","country_code":"IN","type":"education","lineage":["https://openalex.org/I25205351"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sujit Kumar Patel","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Jaypee University of Engineering and Technology, Raghogarh, Guna, Madhy Pradesh, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Jaypee University of Engineering and Technology, Raghogarh, Guna, Madhy Pradesh, India","institution_ids":["https://openalex.org/I25205351"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065495093","display_name":"Soumya Ganguly","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},{"id":"https://openalex.org/I4210101034","display_name":"Birla Institute of Technology and Science - Hyderabad Campus","ror":"https://ror.org/014ctt859","country_code":"IN","type":"education","lineage":["https://openalex.org/I4210101034","https://openalex.org/I74796645"]}],"countries":["IN","SG"],"is_corresponding":false,"raw_author_name":"Soumya Ganguly","raw_affiliation_strings":["EEE Department, BITS, Hyderabad, Andhra Pradesh, India","School of Computer Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"EEE Department, BITS, Hyderabad, Andhra Pradesh, India","institution_ids":["https://openalex.org/I4210101034"]},{"raw_affiliation_string":"School of Computer Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070475093","display_name":"Thambipillai Srikanthan","orcid":"https://orcid.org/0000-0003-3664-4345"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Thambipillai Srikanthan","raw_affiliation_strings":["School of Computer Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5025809855"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":3.4461,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.93423124,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"62","issue":"12","first_page":"2836","last_page":"2845"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9998000264167786,"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":0.9998000264167786,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9883000254631042,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9836000204086304,"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/decimation","display_name":"Decimation","score":0.8562596440315247},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.8422943353652954},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6712119579315186},{"id":"https://openalex.org/keywords/split-radix-fft-algorithm","display_name":"Split-radix FFT algorithm","score":0.6640284061431885},{"id":"https://openalex.org/keywords/prime-factor-fft-algorithm","display_name":"Prime-factor FFT algorithm","score":0.5752273201942444},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5380942225456238},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5281286835670471},{"id":"https://openalex.org/keywords/very-large-scale-integration","display_name":"Very-large-scale integration","score":0.5136120319366455},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47406500577926636},{"id":"https://openalex.org/keywords/low-latency","display_name":"Low latency (capital markets)","score":0.4400944113731384},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.407809853553772},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3671603798866272},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22740182280540466},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.1923893392086029},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.18975481390953064},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10503631830215454},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.09817206859588623},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.08285346627235413}],"concepts":[{"id":"https://openalex.org/C173642442","wikidata":"https://www.wikidata.org/wiki/Q1253346","display_name":"Decimation","level":3,"score":0.8562596440315247},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.8422943353652954},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6712119579315186},{"id":"https://openalex.org/C103755468","wikidata":"https://www.wikidata.org/wiki/Q17103599","display_name":"Split-radix FFT algorithm","level":5,"score":0.6640284061431885},{"id":"https://openalex.org/C77928272","wikidata":"https://www.wikidata.org/wiki/Q7243214","display_name":"Prime-factor FFT algorithm","level":5,"score":0.5752273201942444},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5380942225456238},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5281286835670471},{"id":"https://openalex.org/C14580979","wikidata":"https://www.wikidata.org/wiki/Q876049","display_name":"Very-large-scale integration","level":2,"score":0.5136120319366455},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47406500577926636},{"id":"https://openalex.org/C46637626","wikidata":"https://www.wikidata.org/wiki/Q6693015","display_name":"Low latency (capital markets)","level":2,"score":0.4400944113731384},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.407809853553772},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3671603798866272},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22740182280540466},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.1923893392086029},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.18975481390953064},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10503631830215454},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.09817206859588623},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.08285346627235413},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsi.2015.2495724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2015.2495724","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"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/W1977482330","https://openalex.org/W2082275189","https://openalex.org/W2097780146","https://openalex.org/W2099395332","https://openalex.org/W2111755292","https://openalex.org/W2116285260","https://openalex.org/W2129959220","https://openalex.org/W2134128809","https://openalex.org/W2158802903","https://openalex.org/W4256287417","https://openalex.org/W6684039924"],"related_works":["https://openalex.org/W2031343199","https://openalex.org/W2200032781","https://openalex.org/W2356814585","https://openalex.org/W2144412928","https://openalex.org/W2113951268","https://openalex.org/W4362564158","https://openalex.org/W4246835537","https://openalex.org/W1984254719","https://openalex.org/W2144032791","https://openalex.org/W2185259940"],"abstract_inverted_index":{"The":[0,126,173],"decimation-in-time":[1],"(DIT)":[2],"fast":[3],"Fourier":[4],"transform":[5],"(FFT)":[6],"very":[7],"often":[8],"has":[9],"advantage":[10],"over":[11],"the":[12,39,60,69,75,78,113,122,149,167,214,219],"decimation-in-frequency":[13],"(DIF)":[14],"FFT":[15,41,64,192,221],"for":[16,59,73,129,166,191,218],"most":[17],"real-valued":[18,63],"applications,":[19],"like":[20],"speech/image/video":[21],"processing,":[22,25],"biomedical":[23],"signal":[24],"and":[26,82,143,180,197,205],"time-series":[27],"analysis,":[28],"etc.,":[29],"since":[30,140],"it":[31],"does":[32],"not":[33],"require":[34],"any":[35],"output":[36],"reordering.":[37],"Besides,":[38],"DIT":[40,62,80,132,170],"butterfly":[42],"involves":[43,108,176,200],"less":[44,110,178,182,202,207],"computation":[45,94,134],"time":[46],"than":[47,185,211],"its":[48,88],"DIF":[49],"counterpart.":[50],"In":[51],"this":[52],"paper,":[53],"we":[54,157],"present":[55,67,83,158],"an":[56],"efficient":[57],"architecture":[58],"radix-2":[61,79,169],"(RFFT).":[65],"We":[66,100],"here":[68,102,159],"necessary":[70],"mathematical":[71],"formulation":[72,85,162],"removing":[74],"redundancies":[76],"in":[77,148],"RFFT,":[81],"a":[84,96,103,116,160],"to":[86,91],"regularize":[87],"flow":[89],"graph":[90],"facilitate":[92],"folded":[93,130],"with":[95,121,135],"simple":[97,161],"control":[98],"unit.":[99],"propose":[101],"register-based":[104,136],"storage":[105,137],"design":[106],"which":[107],"significantly":[109],"area":[111,179],"at":[112,153],"cost":[114],"of":[115,163,187,213],"little":[117],"higher":[118],"latency":[119],"compared":[120],"conventional":[123],"RAM-based":[124],"storage.":[125],"address":[127,164],"generation":[128,165],"in-place":[131],"RFFT":[133,171],"is":[138],"challenging":[139],"both":[141],"read":[142],"write":[144],"operations":[145],"are":[146],"performed":[147],"same":[150,220],"clock":[151],"cycle":[152],"different":[154],"locations.":[155],"Therefore,":[156],"proposed":[168,174],"structure.":[172],"structure":[175],"~61%":[177],"~40%":[181],"power":[183],"consumption":[184],"those":[186,212],",":[188],"on":[189,216],"average,":[190,217],"sizes":[193],"16,":[194],"32,":[195],"64,":[196],"128.":[198],"It":[199],"~70%":[201],"area-delay":[203],"product":[204],"~57%":[206],"energy":[208],"per":[209],"sample":[210],"other,":[215],"sizes.":[222]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
