{"id":"https://openalex.org/W2009674098","doi":"https://doi.org/10.1109/icassp.2002.5745193","title":"Enhancing the performance of the CR blind channel estimation algorithm using the Karhunen-Loève expansion","display_name":"Enhancing the performance of the CR blind channel estimation algorithm using the Karhunen-Loève expansion","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W2009674098","doi":"https://doi.org/10.1109/icassp.2002.5745193","mag":"2009674098"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2002.5745193","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2002.5745193","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Acoustics Speech and Signal Processing","raw_type":"proceedings-article"},"type":"conference-paper","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/A5017538660","display_name":"A.G. Orozco-Lugo","orcid":null},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"A. G. Orozco-Lugo","raw_affiliation_strings":["Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]},{"raw_affiliation_string":"Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022375772","display_name":"R. Parra-Michel","orcid":"https://orcid.org/0000-0003-2327-2482"},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"R. Parra-Michel","raw_affiliation_strings":["Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]},{"raw_affiliation_string":"Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084710654","display_name":"Des McLernon","orcid":"https://orcid.org/0000-0001-8278-6171"},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. C. McLernon","raw_affiliation_strings":["Institute of Integrated Information Systems, School of Electronic and Electrical Engineering, University of Leeds, Leeds, UK","Institute of Integrated Information Systems, School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Integrated Information Systems, School of Electronic and Electrical Engineering, University of Leeds, Leeds, UK","institution_ids":["https://openalex.org/I130828816"]},{"raw_affiliation_string":"Institute of Integrated Information Systems, School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, United Kingdom","institution_ids":["https://openalex.org/I130828816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108748048","display_name":"Valeri Kontorovitch","orcid":null},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"V. Y. Kontorovitch","raw_affiliation_strings":["Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ingenieria El\u00e9ctrica, Secci\u00f3n de Communicaciones, Centro de Investigaci\u00f3n y Estudios Avazados del IPN, Mexico, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]},{"raw_affiliation_string":"Centro de Investigaci\u00f3n y Estudios A vanzados del IPN, Depto. de Ingenieria El\u00e9ctrica, Secci\u00f3n de Comunicaciones, Av. IPN 2508, M\u00e9xico, D.F., C.P. 07660, Mexico","institution_ids":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.13154197,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"43","issue":null,"first_page":"III","last_page":"2653"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9944000244140625,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9916999936103821,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/karhunen\u2013lo\u00e8ve-theorem","display_name":"Karhunen\u2013Lo\u00e8ve theorem","score":0.86865234375},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6005148887634277},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5552195310592651},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.512841522693634},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.45382770895957947},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22904294729232788}],"concepts":[{"id":"https://openalex.org/C109308471","wikidata":"https://www.wikidata.org/wiki/Q2046647","display_name":"Karhunen\u2013Lo\u00e8ve theorem","level":2,"score":0.86865234375},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6005148887634277},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5552195310592651},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.512841522693634},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.45382770895957947},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22904294729232788}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2002.5745193","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2002.5745193","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Acoustics Speech and Signal Processing","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":7,"referenced_works":["https://openalex.org/W2007250400","https://openalex.org/W2046791564","https://openalex.org/W2100185294","https://openalex.org/W2106643274","https://openalex.org/W2121202969","https://openalex.org/W2128489919","https://openalex.org/W2137358528"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W417204388","https://openalex.org/W187821709","https://openalex.org/W1963647550","https://openalex.org/W2730780850","https://openalex.org/W2780196095","https://openalex.org/W2724312960","https://openalex.org/W2005892337","https://openalex.org/W2574476892"],"abstract_inverted_index":{"This":[0,78],"paper":[1],"introduces":[2],"a":[3,32,36,45,138,144],"new":[4,79],"formulation":[5,80],"for":[6],"the":[7,22,54,59,64,70,74,87,92,98,103,109,117,122,126,130],"blind":[8],"channel":[9,25],"estimation":[10,147],"problem.":[11],"In":[12],"particular,":[13],"it":[14],"is":[15],"found":[16],"that":[17,50,82],"any":[18],"possible":[19],"realization":[20],"of":[21,35,38,63,73,91,97,105,111,119],"discrete":[23],"time":[24],"impulse":[26],"response":[27],"can":[28,134],"be":[29,135],"expressed":[30],"as":[31,137],"linear":[33],"combination":[34],"set":[37],"predetermined":[39],"eigenvectors.":[40],"These":[41],"are":[42],"obtained":[43],"from":[44],"certain":[46],"\u201cuniversal\u201d":[47],"autocorrelation":[48],"matrix":[49],"depends":[51],"only":[52],"on":[53,69],"pulse":[55],"shaping":[56],"filter":[57],"and":[58,67,115],"maximum":[60],"delay":[61,76],"spread":[62],"multi-path":[65],"channel,":[66],"not":[68,116],"specific":[71],"characteristics":[72],"power":[75],"profile.":[77],"shows":[81],"an":[83],"interrelation":[84],"exists":[85],"between":[86],"different":[88],"sub-channel":[89],"responses":[90],"single-input":[93],"multiple-output":[94],"equivalent":[95],"model":[96],"over-sampled":[99],"baseband":[100],"signal.":[101],"Thus,":[102],"number":[104,110,118],"free":[106],"parameters":[107],"equals":[108],"signal":[112],"space":[113],"eigenvectors":[114],"coefficients":[120],"in":[121],"multi-channel":[123],"model.":[124],"Therefore":[125],"optimization":[127],"associated":[128],"with":[129,143],"CR":[131],"algorithm":[132],"[1]":[133],"reformulated":[136],"reduced":[139],"dimensional":[140],"minimization":[141],"problem":[142],"notoriously":[145],"enhanced":[146],"performance.":[148]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}