{"id":"https://openalex.org/W1798623625","doi":"https://doi.org/10.1109/vtc.2002.1002925","title":"Modified SMI techniques for frequency selective channels in OFDM","display_name":"Modified SMI techniques for frequency selective channels in OFDM","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W1798623625","doi":"https://doi.org/10.1109/vtc.2002.1002925","mag":"1798623625"},"language":"en","primary_location":{"id":"doi:10.1109/vtc.2002.1002925","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc.2002.1002925","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vehicular Technology Conference. IEEE 55th Vehicular Technology Conference. VTC Spring 2002 (Cat. No.02CH37367)","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/A5007584846","display_name":"D. Bartolome","orcid":"https://orcid.org/0009-0002-9457-2896"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"D. Bartolome","raw_affiliation_strings":["Polytechnic University of Catalonia, Barcelona, Spain","Univ. Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Polytechnic University of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Univ. Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046234769","display_name":"Ana I. P\u00e8rez-Neira","orcid":"https://orcid.org/0000-0003-4281-3934"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A.I. Perez-Neira","raw_affiliation_strings":["Polytechnic University of Catalonia, Barcelona, Spain","Univ. Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Polytechnic University of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Univ. Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5007584846"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":0.9144,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.72878674,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"1771","last_page":"1775"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"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":0.9991999864578247,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7870296239852905},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.7235305905342102},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6737380027770996},{"id":"https://openalex.org/keywords/time-division-multiple-access","display_name":"Time division multiple access","score":0.5420520901679993},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5420021414756775},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5419780015945435},{"id":"https://openalex.org/keywords/sample-matrix-inversion","display_name":"Sample matrix inversion","score":0.4874999225139618},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.44372519850730896},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4168233275413513},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38774538040161133},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32794633507728577},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25721535086631775},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.25639718770980835},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17442578077316284},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0887947678565979}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7870296239852905},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.7235305905342102},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6737380027770996},{"id":"https://openalex.org/C117313154","wikidata":"https://www.wikidata.org/wiki/Q878344","display_name":"Time division multiple access","level":2,"score":0.5420520901679993},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5420021414756775},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5419780015945435},{"id":"https://openalex.org/C62403268","wikidata":"https://www.wikidata.org/wiki/Q7410141","display_name":"Sample matrix inversion","level":3,"score":0.4874999225139618},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.44372519850730896},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4168233275413513},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38774538040161133},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32794633507728577},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25721535086631775},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.25639718770980835},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17442578077316284},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0887947678565979},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vtc.2002.1002925","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc.2002.1002925","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vehicular Technology Conference. IEEE 55th Vehicular Technology Conference. VTC Spring 2002 (Cat. No.02CH37367)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.14.2918","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.2918","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://gps-tsc.upc.es/comm/diego/VTC02_2.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1486893736","https://openalex.org/W1627017350","https://openalex.org/W1766888123","https://openalex.org/W2083042423","https://openalex.org/W2146176697","https://openalex.org/W2158907205"],"related_works":["https://openalex.org/W2058282382","https://openalex.org/W2057077708","https://openalex.org/W2161781654","https://openalex.org/W2612173708","https://openalex.org/W2134305607","https://openalex.org/W2095707550","https://openalex.org/W2080962681","https://openalex.org/W2149879299","https://openalex.org/W1572141043","https://openalex.org/W2536154426"],"abstract_inverted_index":{"The":[0],"sample":[1,69],"matrix":[2,71],"inversion":[3],"(SMI)":[4],"algorithm":[5],"has":[6],"been":[7],"widely":[8],"applied":[9,88],"in":[10,18,89,133],"the":[11,35,38,54,68,73,78,114,119,124],"filed":[12],"of":[13,37,66],"adaptive":[14],"antenna":[15],"arrays.":[16],"However,":[17],"time":[19],"division":[20,100],"multiple":[21],"access":[22],"(TDMA)":[23],"systems":[24,103],"with":[25,104,135],"known":[26,55,107],"data":[27,56],"sequences,":[28],"a":[29,63,93,128],"low":[30],"cost":[31],"solution":[32],"would":[33],"imply":[34],"computation":[36],"beamformer":[39,94],"based":[40],"exclusively":[41],"on":[42],"this":[43,48,83],"data.":[44],"In":[45,82],"some":[46],"cases,":[47],"might":[49],"not":[50,58],"be":[51,59],"possible":[52],"since":[53],"could":[57],"sufficient":[60],"to":[61,91,113],"get":[62],"stable":[64],"estimate":[65],"both":[67],"covariance":[70],"and":[72,118],"steering":[74],"vector":[75],"needed":[76],"for":[77,97],"SMI":[79],"spatial":[80],"filter.":[81],"paper,":[84],"windowing":[85],"techniques":[86],"are":[87],"order":[90],"calculate":[92],"per":[95],"subcarrier":[96,115],"orthogonal":[98],"frequency":[99],"multiplexing":[101],"(OFDM)":[102],"very":[105],"limited":[106],"training.":[108],"This":[109],"approach":[110],"is":[111],"compared":[112],"grouping":[116],"approach,":[117],"presented":[120],"results":[121],"show":[122],"that":[123],"former":[125],"method":[126],"provides":[127],"further":[129],"performance":[130],"gain,":[131],"even":[132],"channels":[134],"high":[136],"delay":[137],"spread.":[138]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}