{"id":"https://openalex.org/W2998489929","doi":"https://doi.org/10.1109/wincom47513.2019.8942512","title":"A Time Frequency Tensor Framework for DOA Estimation: Application to MIMO Systems","display_name":"A Time Frequency Tensor Framework for DOA Estimation: Application to MIMO Systems","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2998489929","doi":"https://doi.org/10.1109/wincom47513.2019.8942512","mag":"2998489929"},"language":"en","primary_location":{"id":"doi:10.1109/wincom47513.2019.8942512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wincom47513.2019.8942512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Wireless Networks and Mobile Communications (WINCOM)","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/A5054081704","display_name":"Lamiae Hachad","orcid":"https://orcid.org/0000-0003-3035-4873"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Lamiae Hachad","raw_affiliation_strings":["Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061230630","display_name":"Fatiha Mrabti","orcid":"https://orcid.org/0000-0002-9495-8337"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Fatiha Mrabti","raw_affiliation_strings":["Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047198799","display_name":"Hicham Ghennioui","orcid":"https://orcid.org/0000-0002-0988-1532"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Hicham Ghennioui","raw_affiliation_strings":["Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075631180","display_name":"M. Zouak","orcid":null},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Mohcine Zouak","raw_affiliation_strings":["Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sidi Mohamed Ben Abdellah University, Faculty of Sciences and Technologies Fez, LSSC, Fez, Maroc","institution_ids":["https://openalex.org/I81605866"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I81605866"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.20691178,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"2019","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10575","display_name":"Wireless Communication Networks Research","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9958000183105469,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/tensor","display_name":"Tensor (intrinsic definition)","score":0.755519688129425},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.6127926707267761},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5775900483131409},{"id":"https://openalex.org/keywords/unitary-state","display_name":"Unitary state","score":0.5773927569389343},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5657505393028259},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5629274845123291},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5623605251312256},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48161643743515015},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.4680730104446411},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4661736786365509},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3938027024269104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39300891757011414},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10412585735321045},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08268734812736511}],"concepts":[{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.755519688129425},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.6127926707267761},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5775900483131409},{"id":"https://openalex.org/C67820243","wikidata":"https://www.wikidata.org/wiki/Q179164","display_name":"Unitary state","level":2,"score":0.5773927569389343},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5657505393028259},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5629274845123291},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5623605251312256},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48161643743515015},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.4680730104446411},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4661736786365509},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3938027024269104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39300891757011414},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10412585735321045},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08268734812736511},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wincom47513.2019.8942512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wincom47513.2019.8942512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Wireless Networks and Mobile Communications (WINCOM)","raw_type":"proceedings-article"},{"id":"mag:3042066515","is_oa":false,"landing_page_url":"https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=202002244308082722","pdf_url":null,"source":{"id":"https://openalex.org/S4306512817","display_name":"IEEE Conference Proceedings","issn_l":null,"issn":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":"IEEE Conference Proceedings","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1990690828","https://openalex.org/W1995822412","https://openalex.org/W2034969874","https://openalex.org/W2052190282","https://openalex.org/W2054692642","https://openalex.org/W2119741678","https://openalex.org/W2121739212","https://openalex.org/W2127617367","https://openalex.org/W2145013959","https://openalex.org/W2145569511","https://openalex.org/W2147601077","https://openalex.org/W2153587859","https://openalex.org/W2158456262","https://openalex.org/W2169423119","https://openalex.org/W2521486114","https://openalex.org/W2963673880"],"related_works":["https://openalex.org/W2366107444","https://openalex.org/W4388145910","https://openalex.org/W2381570729","https://openalex.org/W1976205134","https://openalex.org/W4248336175","https://openalex.org/W2031260042","https://openalex.org/W2391445434","https://openalex.org/W3009369890","https://openalex.org/W4312490297","https://openalex.org/W2062212388"],"abstract_inverted_index":{"In":[0],"this":[1,60],"paper,":[2],"we":[3],"show":[4],"that":[5,63],"the":[6,18,37,46,93,98],"DOA":[7],"estimation":[8],"problem":[9],"can":[10],"be":[11],"solved":[12,51],"through":[13],"a":[14,42,80],"tensor":[15],"representation":[16],"of":[17,22,39,48,59,82,97],"non-unitary":[19],"joint":[20],"diagonalization":[21],"spatial":[23],"quadratic":[24],"time":[25],"frequency.":[26],"We":[27],"use":[28],"an":[29],"approach":[30],"to":[31,35,76,91],"select":[32],"time-frequency":[33],"points":[34],"construct":[36],"set":[38],"matrices":[40],"forming":[41],"third-order":[43],"tensor.":[44],"Then,":[45],"determination":[47],"DOAs":[49],"is":[50,62,74],"by":[52],"Parallel":[53],"Factor":[54],"analysis.":[55],"The":[56],"main":[57],"advantage":[58],"method":[61],"it":[64,73],"does":[65],"not":[66],"require":[67],"any":[68],"whitening":[69],"stage,":[70],"and":[71,95],"thus,":[72],"intended":[75],"work":[77],"even":[78],"with":[79],"class":[81],"correlated":[83],"signals.":[84],"Numerical":[85],"simulations":[86],"are":[87],"provided":[88],"in":[89],"order":[90],"illustrate":[92],"effectiveness":[94],"behavior":[96],"proposed":[99],"approach.":[100]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
