{"id":"https://openalex.org/W4392607909","doi":"https://doi.org/10.1109/twc.2024.3370720","title":"Fast Subspace-Based Blind and Semi-Blind Channel Estimation for MIMO-OFDM Systems","display_name":"Fast Subspace-Based Blind and Semi-Blind Channel Estimation for MIMO-OFDM Systems","publication_year":2024,"publication_date":"2024-03-08","ids":{"openalex":"https://openalex.org/W4392607909","doi":"https://doi.org/10.1109/twc.2024.3370720"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2024.3370720","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3370720","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","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/A5072045486","display_name":"Ouahbi Rekik","orcid":"https://orcid.org/0000-0001-8199-7823"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ouahbi Rekik","raw_affiliation_strings":["Higher School of Signals, D&#x00E9;ly Ibrahim, Algeria"],"raw_orcid":"https://orcid.org/0000-0001-8199-7823","affiliations":[{"raw_affiliation_string":"Higher School of Signals, D&#x00E9;ly Ibrahim, Algeria","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023190195","display_name":"Kabiru N. Aliyu","orcid":"https://orcid.org/0000-0002-1426-9874"},"institutions":[{"id":"https://openalex.org/I134085113","display_name":"King Fahd University of Petroleum and Minerals","ror":"https://ror.org/03yez3163","country_code":"SA","type":"education","lineage":["https://openalex.org/I134085113"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Kabiru Nasiru Aliyu","raw_affiliation_strings":["Department of Electrical Engineering, and the Center for Communication Systems and Sensing, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0002-1426-9874","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, and the Center for Communication Systems and Sensing, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia","institution_ids":["https://openalex.org/I134085113"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044628970","display_name":"Bui Minh Tuan","orcid":"https://orcid.org/0000-0001-7306-9349"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]},{"id":"https://openalex.org/I177233841","display_name":"Vietnam National University, Hanoi","ror":"https://ror.org/02jmfj006","country_code":"VN","type":"education","lineage":["https://openalex.org/I177233841"]}],"countries":["AU","VN"],"is_corresponding":false,"raw_author_name":"Bui Minh Tuan","raw_affiliation_strings":["Advanced Institute of Engineering and Technology (AVITECH), University of Engineering and Technology, Vietnam National University, Hanoi, Vietnam","Faculty of Engineering and Information Technology, School of Electrical and Data Engineering, University of Technology Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Institute of Engineering and Technology (AVITECH), University of Engineering and Technology, Vietnam National University, Hanoi, Vietnam","institution_ids":["https://openalex.org/I177233841"]},{"raw_affiliation_string":"Faculty of Engineering and Information Technology, School of Electrical and Data Engineering, University of Technology Sydney, Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048280041","display_name":"Karim Abed\u2010Meraim","orcid":"https://orcid.org/0000-0003-2652-1923"},"institutions":[{"id":"https://openalex.org/I4210096782","display_name":"Laboratoire Pluridisciplinaire de Recherche en Ing\u00e9nierie des Syst\u00e8mes, M\u00e9canique et Energ\u00e9tique","ror":"https://ror.org/00sbth994","country_code":"FR","type":"facility","lineage":["https://openalex.org/I12449238","https://openalex.org/I4210096782","https://openalex.org/I4210143826"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Karim Abed-Meraim","raw_affiliation_strings":["PRISME Laboratory, Orl&#x00E9;ans University, Orl&#x00E9;ans, France"],"raw_orcid":"https://orcid.org/0000-0003-2652-1923","affiliations":[{"raw_affiliation_string":"PRISME Laboratory, Orl&#x00E9;ans University, Orl&#x00E9;ans, France","institution_ids":["https://openalex.org/I4210096782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069979656","display_name":"Nguyen Linh Trung","orcid":"https://orcid.org/0000-0002-3103-994X"},"institutions":[{"id":"https://openalex.org/I177233841","display_name":"Vietnam National University, Hanoi","ror":"https://ror.org/02jmfj006","country_code":"VN","type":"education","lineage":["https://openalex.org/I177233841"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Nguyen Linh Trung","raw_affiliation_strings":["Advanced Institute of Engineering and Technology (AVITECH), University of Engineering and Technology, Vietnam National University, Hanoi, Vietnam"],"raw_orcid":"https://orcid.org/0000-0002-3103-994X","affiliations":[{"raw_affiliation_string":"Advanced Institute of Engineering and Technology (AVITECH), University of Engineering and Technology, Vietnam National University, Hanoi, Vietnam","institution_ids":["https://openalex.org/I177233841"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4131,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.88804171,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"23","issue":"8","first_page":"10247","last_page":"10257"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998999834060669,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.6248020529747009},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6202137470245361},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6090730428695679},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5303576588630676},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.46527358889579773},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4370931386947632},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3635028004646301},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.32634082436561584},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27674055099487305},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23620226979255676}],"concepts":[{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.6248020529747009},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6202137470245361},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6090730428695679},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5303576588630676},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.46527358889579773},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4370931386947632},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3635028004646301},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.32634082436561584},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27674055099487305},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23620226979255676}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2024.3370720","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3370720","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1965949781","https://openalex.org/W1967596742","https://openalex.org/W1995442845","https://openalex.org/W2009045708","https://openalex.org/W2010623569","https://openalex.org/W2076769624","https://openalex.org/W2086742230","https://openalex.org/W2097736984","https://openalex.org/W2115723730","https://openalex.org/W2116142355","https://openalex.org/W2123531416","https://openalex.org/W2124395306","https://openalex.org/W2137358528","https://openalex.org/W2139524951","https://openalex.org/W2139603658","https://openalex.org/W2142638745","https://openalex.org/W2149233205","https://openalex.org/W2486733753","https://openalex.org/W2547277518","https://openalex.org/W2902211485","https://openalex.org/W3046165102","https://openalex.org/W3111335979","https://openalex.org/W4205533812","https://openalex.org/W4206659630","https://openalex.org/W4367550456","https://openalex.org/W4367721899","https://openalex.org/W4388118601"],"related_works":["https://openalex.org/W1980381208","https://openalex.org/W2366188968","https://openalex.org/W4243590696","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2738743879","https://openalex.org/W2187587942","https://openalex.org/W2045896346","https://openalex.org/W2389179507"],"abstract_inverted_index":{"This":[0],"paper":[1],"deals":[2],"with":[3,104],"the":[4,31,47,51,88,97,100],"problem":[5],"of":[6,30,33,50,91,99],"blind":[7],"and":[8,56],"semi-blind":[9],"subspace-based":[10],"channel":[11,38,77,83],"estimation,":[12],"when":[13],"considering":[14],"MIMO-OFDM":[15],"communications":[16],"systems.":[17],"The":[18],"proposed":[19],"solution":[20,101],"offers":[21],"a":[22,28,65,69],"reduced":[23],"computational":[24],"complexity,":[25],"mainly":[26],"by":[27],"factor":[29],"number":[32,90],"subcarriers,":[34],"while":[35],"guaranteeing":[36],"accurate":[37],"estimation":[39],"as":[40,85,87],"compared":[41],"to":[42,75,93,108],"state-of-the-art":[43],"techniques.":[44],"By":[45],"exploiting":[46],"orthogonality":[48],"property":[49],"OFDM":[52],"modulation,":[53],"covariance":[54],"matrix":[55],"noise":[57],"subspace":[58],"are":[59,102],"estimated":[60],"for":[61,82,96],"each":[62],"subcarrier":[63],"in":[64],"parallel":[66],"scheme,":[67],"then":[68],"global":[70],"cost":[71],"function":[72],"is":[73],"minimized":[74],"obtain":[76],"coefficients":[78],"estimates.":[79],"Besides,":[80],"conditions":[81],"identifiability":[84],"well":[86],"minimum":[89],"subcarriers":[92],"be":[94],"used":[95],"uniqueness":[98],"investigated":[103],"various":[105],"numerical":[106],"simulations":[107],"corroborate":[109],"our":[110],"analysis.":[111]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
