{"id":"https://openalex.org/W2897266503","doi":"https://doi.org/10.1109/tcomm.2018.2875724","title":"Semi-Blind Time-Domain Channel Estimation for Frequency-Selective Multiuser Massive MIMO Systems","display_name":"Semi-Blind Time-Domain Channel Estimation for Frequency-Selective Multiuser Massive MIMO Systems","publication_year":2018,"publication_date":"2018-10-12","ids":{"openalex":"https://openalex.org/W2897266503","doi":"https://doi.org/10.1109/tcomm.2018.2875724","mag":"2897266503"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2018.2875724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2875724","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5004444558","display_name":"Javad Mirzaei","orcid":"https://orcid.org/0000-0002-8114-8036"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Javad Mirzaei","raw_affiliation_strings":["The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada"],"affiliations":[{"raw_affiliation_string":"The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070888504","display_name":"Raviraj Adve","orcid":"https://orcid.org/0000-0003-0224-2209"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Raviraj S. Adve","raw_affiliation_strings":["The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada"],"affiliations":[{"raw_affiliation_string":"The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049043069","display_name":"Shahram Shahbazpanahi","orcid":"https://orcid.org/0000-0001-8914-5481"},"institutions":[{"id":"https://openalex.org/I39470171","display_name":"University of Ontario Institute of Technology","ror":"https://ror.org/016zre027","country_code":"CA","type":"education","lineage":["https://openalex.org/I39470171"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Shahram Shahbazpanahi","raw_affiliation_strings":["Department of Electrical Computer, and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Computer, and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON, Canada","institution_ids":["https://openalex.org/I39470171"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5004444558"],"corresponding_institution_ids":["https://openalex.org/I185261750"],"apc_list":null,"apc_paid":null,"fwci":1.3011,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.81817698,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"67","issue":"2","first_page":"1045","last_page":"1058"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9994999766349792,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9991999864578247,"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/subcarrier","display_name":"Subcarrier","score":0.7032694816589355},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.6471560597419739},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6430642008781433},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6145753860473633},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5744856595993042},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.5388611555099487},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.5287240147590637},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5270455479621887},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.525672972202301},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.4880915880203247},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.47586387395858765},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.4475562572479248},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3650197982788086},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3572026491165161},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.33225202560424805},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.3189367949962616},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.14856863021850586},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0950593650341034},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.09413111209869385}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.7032694816589355},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.6471560597419739},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6430642008781433},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6145753860473633},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5744856595993042},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.5388611555099487},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.5287240147590637},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5270455479621887},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.525672972202301},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.4880915880203247},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.47586387395858765},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.4475562572479248},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3650197982788086},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3572026491165161},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.33225202560424805},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3189367949962616},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.14856863021850586},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0950593650341034},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.09413111209869385},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","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/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2018.2875724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2875724","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1968707549","https://openalex.org/W1971031702","https://openalex.org/W1971443733","https://openalex.org/W1975694057","https://openalex.org/W2023535408","https://openalex.org/W2034165914","https://openalex.org/W2041805598","https://openalex.org/W2047459700","https://openalex.org/W2049532134","https://openalex.org/W2067643757","https://openalex.org/W2069844710","https://openalex.org/W2103972037","https://openalex.org/W2111113050","https://openalex.org/W2115535012","https://openalex.org/W2116348311","https://openalex.org/W2121315337","https://openalex.org/W2128513990","https://openalex.org/W2130134073","https://openalex.org/W2130355642","https://openalex.org/W2133346415","https://openalex.org/W2133515443","https://openalex.org/W2136644341","https://openalex.org/W2141682101","https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2148160196","https://openalex.org/W2148644117","https://openalex.org/W2150595604","https://openalex.org/W2154395274","https://openalex.org/W2167846280","https://openalex.org/W2171387626","https://openalex.org/W2472995092","https://openalex.org/W2734509423","https://openalex.org/W2735698018","https://openalex.org/W2917680281","https://openalex.org/W3106282754","https://openalex.org/W6644353564","https://openalex.org/W6740867980"],"related_works":["https://openalex.org/W2146475270","https://openalex.org/W2124087336","https://openalex.org/W2164953486","https://openalex.org/W2166486655","https://openalex.org/W2118369665","https://openalex.org/W2611998394","https://openalex.org/W2094167802","https://openalex.org/W2520692959","https://openalex.org/W2917680281","https://openalex.org/W2897266503"],"abstract_inverted_index":{"The":[0],"availability":[1],"of":[2,54,58,99,139,151,158,191,196,213],"accurate":[3,123],"channel":[4,24,60,64,80,133,169,176],"state":[5],"information":[6],"(CSI)":[7],"is":[8],"essential":[9],"in":[10,40,47,162,183,216],"multiuser":[11],"massive":[12,85],"multiple-input":[13],"multiple-output":[14],"(MIMO)":[15],"systems.":[16,87],"However,":[17],"most":[18],"published":[19,181],"works":[20],"focus":[21],"on":[22,91],"frequency-flat":[23],"estimation":[25,30,65,81,115,203],"which":[26],"requires":[27,66],"that":[28,67],"the":[29,45,48,51,62,92,96,100,107,111,140,145,155,159,163,179,210,214],"must":[31],"be":[32,70],"repeated":[33],"for":[34,83,121],"every":[35],"frequency":[36],"slot,":[37],"e.g.,":[38],"subcarrier,":[39],"a":[41,55,77,136,149,167],"broadband":[42],"system.":[43],"Since":[44],"channels":[46,193],"frequency-domain":[49,175],"are":[50],"Fourier":[52],"transform":[53],"small":[56],"set":[57,150],"time-domain":[59,63],"coefficients,":[61],"fewer":[68],"parameters":[69],"estimated.":[71],"In":[72,200],"this":[73,184],"paper,":[74,185],"we":[75,130,165,186],"propose":[76],"semi-blind,":[78],"time-domain,":[79,164],"technique":[82],"frequency-selective":[84],"MIMO":[86],"Our":[88],"solution":[89],"depends":[90],"subspace":[93],"spanned":[94],"by":[95],"signal":[97,102,141,161],"eigenvectors":[98],"received":[101,160],"covariance":[103],"matrix.":[104],"Importantly,":[105],"since":[106],"receiver":[108],"samples":[109,120,157],"at":[110],"symbol":[112],"rate,":[113],"time-domain-based":[114],"inherently":[116],"has":[117],"available":[118],"enough":[119],"an":[122],"matrix":[124],"estimate.":[125],"To":[126],"avoid":[127],"asymptotic":[128],"assumptions,":[129],"express":[131],"each":[132],"vector":[134],"as":[135],"linear":[137,146],"combination":[138,147],"eigenvectors.":[142],"We":[143],"estimate":[144,170],"using":[148],"training":[152,211],"symbols.":[153],"Given":[154],"many":[156],"obtain":[166],"better":[168],"compared":[171],"to":[172],"conventional":[173],"subcarrier-wise":[174],"estimation.":[177],"Unlike":[178],"previous":[180],"results,":[182],"do":[187],"not":[188,206],"assume":[189],"orthogonality":[190,208],"users'":[192],"or":[194],"knowledge":[195],"large-scale":[197],"fading":[198],"coefficients.":[199],"addition,":[201],"our":[202],"procedure":[204],"does":[205],"require":[207],"between":[209],"symbols":[212],"users":[215],"all":[217],"cells.":[218]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-06T13:50:29.536080","created_date":"2025-10-10T00:00:00"}
