{"id":"https://openalex.org/W2160385739","doi":"https://doi.org/10.1109/icecs.2007.4511195","title":"Separation of convolutive mixtures of cyclo-stationary signals using a non-unitary block-diagonalization algorithm","display_name":"Separation of convolutive mixtures of cyclo-stationary signals using a non-unitary block-diagonalization algorithm","publication_year":2007,"publication_date":"2007-12-01","ids":{"openalex":"https://openalex.org/W2160385739","doi":"https://doi.org/10.1109/icecs.2007.4511195","mag":"2160385739"},"language":"en","primary_location":{"id":"doi:10.1109/icecs.2007.4511195","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icecs.2007.4511195","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 14th IEEE International Conference on Electronics, Circuits and Systems","raw_type":"proceedings-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/A5047198799","display_name":"Hicham Ghennioui","orcid":"https://orcid.org/0000-0002-0988-1532"},"institutions":[{"id":"https://openalex.org/I4210130352","display_name":"Centre Hospitalier Ibn Sina","ror":"https://ror.org/038zpvz53","country_code":"MA","type":"healthcare","lineage":["https://openalex.org/I4210130352"]}],"countries":["MA"],"is_corresponding":true,"raw_author_name":"Hicham Ghennioui","raw_affiliation_strings":["STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France; GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc. E-mail: ghennioui@gmail.com","STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France"],"affiliations":[{"raw_affiliation_string":"STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France; GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc. E-mail: ghennioui@gmail.com","institution_ids":["https://openalex.org/I4210130352"]},{"raw_affiliation_string":"STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111771423","display_name":"Saloua Rhioui","orcid":null},"institutions":[{"id":"https://openalex.org/I4210151555","display_name":"Centre Pompidou","ror":"https://ror.org/05e357p42","country_code":"FR","type":"archive","lineage":["https://openalex.org/I4210151555"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Saloua Rhioui","raw_affiliation_strings":["STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: rhioui@univ.tln.fr","STD, ISITV, La Valette-du-Var, France"],"affiliations":[{"raw_affiliation_string":"STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: rhioui@univ.tln.fr","institution_ids":["https://openalex.org/I4210151555"]},{"raw_affiliation_string":"STD, ISITV, La Valette-du-Var, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110603905","display_name":"Nad\u00e8ge Thirion\u2010Moreau","orcid":"https://orcid.org/0000-0002-9245-3407"},"institutions":[{"id":"https://openalex.org/I4210151555","display_name":"Centre Pompidou","ror":"https://ror.org/05e357p42","country_code":"FR","type":"archive","lineage":["https://openalex.org/I4210151555"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nadege Thirion-Moreau","raw_affiliation_strings":["STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: thirion@univ.tln.fr","STD, ISITV, La Valette-du-Var, France"],"affiliations":[{"raw_affiliation_string":"STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: thirion@univ.tln.fr","institution_ids":["https://openalex.org/I4210151555"]},{"raw_affiliation_string":"STD, ISITV, La Valette-du-Var, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062576682","display_name":"\u00c9ric Moreau","orcid":"https://orcid.org/0000-0001-7804-4861"},"institutions":[{"id":"https://openalex.org/I4210151555","display_name":"Centre Pompidou","ror":"https://ror.org/05e357p42","country_code":"FR","type":"archive","lineage":["https://openalex.org/I4210151555"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Eric Moreau","raw_affiliation_strings":["STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: moreau@univ.tln.fr","STD, ISITV, La Valette-du-Var, France"],"affiliations":[{"raw_affiliation_string":"STD, ISITV, av. George Pompidou, BP 56, La Valette du Var, Cedex, France. E-mail: moreau@univ.tln.fr","institution_ids":["https://openalex.org/I4210151555"]},{"raw_affiliation_string":"STD, ISITV, La Valette-du-Var, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032292618","display_name":"Abdellah Adib","orcid":"https://orcid.org/0000-0002-0670-7221"},"institutions":[{"id":"https://openalex.org/I4210130352","display_name":"Centre Hospitalier Ibn Sina","ror":"https://ror.org/038zpvz53","country_code":"MA","type":"healthcare","lineage":["https://openalex.org/I4210130352"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Abdellah Adib","raw_affiliation_strings":["GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc; DPG, IS, av. Ibn Battouta, BP 703, Rabat, Maroc. adib@israbat.ac.ma","GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc"],"affiliations":[{"raw_affiliation_string":"GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc; DPG, IS, av. Ibn Battouta, BP 703, Rabat, Maroc. adib@israbat.ac.ma","institution_ids":["https://openalex.org/I4210130352"]},{"raw_affiliation_string":"GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112238886","display_name":"Driss Aboutajdine","orcid":null},"institutions":[{"id":"https://openalex.org/I4210098714","display_name":"H\u00f4pital 20 Ao\u00fbt","ror":"https://ror.org/012bh1w56","country_code":"MA","type":"healthcare","lineage":["https://openalex.org/I4210098714"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Driss Aboutajdine","raw_affiliation_strings":["GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc. aboutaj@ieee.org","GSCM-LRIT, FSR, Rabat, Morocco"],"affiliations":[{"raw_affiliation_string":"GSCM-LRIT, FSR, av. Ibn Battouta, BP 1014, Rabat, Maroc. aboutaj@ieee.org","institution_ids":["https://openalex.org/I4210098714"]},{"raw_affiliation_string":"GSCM-LRIT, FSR, Rabat, Morocco","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5047198799"],"corresponding_institution_ids":["https://openalex.org/I4210130352"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18839504,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1135","last_page":"1138"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12946","display_name":"Fractal and DNA sequence analysis","score":0.9180999994277954,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6902477741241455},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.6423317193984985},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5182456970214844},{"id":"https://openalex.org/keywords/unitary-state","display_name":"Unitary state","score":0.4928910732269287},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45822370052337646},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45445892214775085},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4540470838546753},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.45397496223449707},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.4409210681915283},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4383634626865387},{"id":"https://openalex.org/keywords/mixing","display_name":"Mixing (physics)","score":0.42712461948394775},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.41887497901916504},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.10357457399368286},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10116007924079895}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6902477741241455},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.6423317193984985},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5182456970214844},{"id":"https://openalex.org/C67820243","wikidata":"https://www.wikidata.org/wiki/Q179164","display_name":"Unitary state","level":2,"score":0.4928910732269287},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45822370052337646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45445892214775085},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4540470838546753},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.45397496223449707},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.4409210681915283},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4383634626865387},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.42712461948394775},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.41887497901916504},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.10357457399368286},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10116007924079895},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"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/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icecs.2007.4511195","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icecs.2007.4511195","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 14th IEEE International Conference on Electronics, Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W568232992","https://openalex.org/W1495275937","https://openalex.org/W2057385319","https://openalex.org/W2101871729","https://openalex.org/W2111510263","https://openalex.org/W2125263552","https://openalex.org/W2140621370","https://openalex.org/W2142638745","https://openalex.org/W2142975003","https://openalex.org/W2144645758","https://openalex.org/W2149255982","https://openalex.org/W2157954734","https://openalex.org/W2161566590","https://openalex.org/W2172226944","https://openalex.org/W2947950881","https://openalex.org/W6616139189","https://openalex.org/W6681158929","https://openalex.org/W6681320132"],"related_works":["https://openalex.org/W1509813908","https://openalex.org/W2031820693","https://openalex.org/W3024816962","https://openalex.org/W1541165122","https://openalex.org/W2277771903","https://openalex.org/W973023320","https://openalex.org/W1910172735","https://openalex.org/W2090421743","https://openalex.org/W2118307209","https://openalex.org/W2107364365"],"abstract_inverted_index":{"In":[0],"this":[1,132],"communication,":[2],"we":[3],"address":[4],"the":[5,8,60,76,80,92,107,112,122,126,140,147,161,164,167,171],"problem":[6],"of":[7,11,14,21,63,69,79,87,91,103,131,166,173],"blind":[9,19],"separation":[10],"convolutive":[12],"mixtures":[13],"sources":[15],"also":[16],"known":[17],"as":[18],"equalization":[20],"linear":[22,73],"time":[23],"invariant":[24],"multi-input":[25],"multi-":[26],"output":[27],"systems":[28],"in":[29,59,96,157,170],"digital":[30,174],"communications.":[31],"The":[32,65],"considered":[33],"input":[34],"signals":[35],"are":[36,42,155],"cyclo-stationary":[37],"processes":[38],"whose":[39],"cyclic":[40,123],"frequencies":[41,108],"not":[43],"necessarily":[44],"known.":[45],"We":[46],"propose":[47],"a":[48,71,100],"new":[49],"method":[50],"which,":[51],"by":[52],"some":[53,88],"aspects,":[54],"generalizes":[55],"previous":[56],"works":[57],"developed":[58],"instantaneous":[61],"case":[62],"mixtures.":[64],"key":[66],"idea":[67],"consists":[68],"applying":[70],"particular":[72,101],"operator":[74],"on":[75],"correlation":[77],"matrices":[78,95,104,113,133],"observations":[81],"and,":[82,143],"then,":[83],"to":[84,98,111,115,120,138,145,159],"take":[85],"advantage":[86],"specific":[89],"properties":[90],"aforementioned":[93],"\"transformed\"":[94],"order":[97,158],"build":[99],"set":[102,117,134],"(for":[105],"instance,":[106],"that":[109,116],"correspond":[110],"belonging":[114],"do":[118],"happen":[119],"be":[121],"ones).":[124],"Then,":[125],"(non-unitary)":[127],"joint":[128],"block":[129],"diagonalization":[130],"makes":[135],"it":[136],"possible":[137],"estimate":[139],"mixing":[141],"system":[142],"consequently,":[144],"recover":[146],"sought":[148],"after":[149],"source":[150],"signals.":[151],"Finally,":[152],"computer":[153],"simulations":[154],"provided":[156],"illustrate":[160],"behaviour":[162],"and":[163],"usefulness":[165],"proposed":[168],"approach":[169],"context":[172],"communication.":[175]},"counts_by_year":[],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}