{"id":"https://openalex.org/W4379382365","doi":"https://doi.org/10.1109/jstsp.2023.3282832","title":"An Adaptive and Robust Deep Learning Framework for THz Ultra-Massive MIMO Channel Estimation","display_name":"An Adaptive and Robust Deep Learning Framework for THz Ultra-Massive MIMO Channel Estimation","publication_year":2023,"publication_date":"2023-06-05","ids":{"openalex":"https://openalex.org/W4379382365","doi":"https://doi.org/10.1109/jstsp.2023.3282832"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2023.3282832","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstsp.2023.3282832","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/jstsp.2023.3282832","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102933783","display_name":"Wentao Yu","orcid":"https://orcid.org/0000-0002-8684-062X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wentao Yu","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-8684-062X","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114889635","display_name":"Yifei Shen","orcid":"https://orcid.org/0000-0001-7174-4793"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Yifei Shen","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","Microsoft Research Asia, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Microsoft Research Asia, Shanghai, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044818286","display_name":"Hengtao He","orcid":"https://orcid.org/0000-0002-4659-6941"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hengtao He","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-4659-6941","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028609226","display_name":"Xianghao Yu","orcid":"https://orcid.org/0000-0002-8874-8712"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xianghao Yu","raw_affiliation_strings":["Department of Electrical Engineering, City University of Hong Kong (CityU), Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-8874-8712","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, City University of Hong Kong (CityU), Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025467937","display_name":"Shenghui Song","orcid":"https://orcid.org/0000-0001-6316-8415"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Shenghui Song","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-6316-8415","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100433167","display_name":"Jun Zhang","orcid":"https://orcid.org/0000-0002-5222-1898"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jun Zhang","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-5222-1898","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079052203","display_name":"Khaled B. Letaief","orcid":"https://orcid.org/0000-0003-2519-6401"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Khaled B. Letaief","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-2519-6401","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":12.1488,"has_fulltext":true,"cited_by_count":99,"citation_normalized_percentile":{"value":0.99171969,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"17","issue":"4","first_page":"761","last_page":"776"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9997000098228455,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9997000098228455,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9986000061035156,"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/T11946","display_name":"Antenna Design and Optimization","score":0.998199999332428,"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/mimo","display_name":"MIMO","score":0.7312895059585571},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7156124711036682},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6081371307373047},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5324310660362244},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4490455389022827},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4300106167793274},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4145278036594391},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3925562798976898},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3149759769439697},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.226045161485672},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17985036969184875},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06837260723114014}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7312895059585571},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7156124711036682},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6081371307373047},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5324310660362244},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4490455389022827},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4300106167793274},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4145278036594391},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3925562798976898},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3149759769439697},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.226045161485672},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17985036969184875},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06837260723114014}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jstsp.2023.3282832","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstsp.2023.3282832","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:publications/468bf550-9d14-4ebb-9e31-c9fbcf9bb673","is_oa":true,"landing_page_url":"https://hdl.handle.net/2031/468bf550-9d14-4ebb-9e31-c9fbcf9bb673","pdf_url":"https://scholars.cityu.edu.hk/files/178246609/158689703.pdf","source":{"id":"https://openalex.org/S7407055387","display_name":"CityU Scholars","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Yu, W, Shen, Y, He, H, Yu, X, Song, S, Zhang, J & Letaief, K B 2023, 'An Adaptive and Robust Deep Learning Framework for THz Ultra-Massive MIMO Channel Estimation', IEEE Journal on Selected Topics in Signal Processing, vol. 17, no. 4, pp. 761-776. https://doi.org/10.1109/JSTSP.2023.3282832","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-127744","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-127744","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1109/jstsp.2023.3282832","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstsp.2023.3282832","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8197906940","display_name":null,"funder_award_id":"N_HKUST656/22","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":62,"referenced_works":["https://openalex.org/W1540920731","https://openalex.org/W1982686915","https://openalex.org/W2005876975","https://openalex.org/W2082029531","https://openalex.org/W2087416986","https://openalex.org/W2100556411","https://openalex.org/W2133151341","https://openalex.org/W2147035723","https://openalex.org/W2194775991","https://openalex.org/W2553591559","https://openalex.org/W2567050201","https://openalex.org/W2576906596","https://openalex.org/W2782637457","https://openalex.org/W2789370391","https://openalex.org/W2798559986","https://openalex.org/W2887520228","https://openalex.org/W2910778537","https://openalex.org/W2936900179","https://openalex.org/W2955897898","https://openalex.org/W2962959174","https://openalex.org/W2963290405","https://openalex.org/W2963676935","https://openalex.org/W2964121960","https://openalex.org/W2970362404","https://openalex.org/W2970900903","https://openalex.org/W3001570336","https://openalex.org/W3011730771","https://openalex.org/W3049226960","https://openalex.org/W3096801155","https://openalex.org/W3098805155","https://openalex.org/W3112924872","https://openalex.org/W3113374047","https://openalex.org/W3135884249","https://openalex.org/W3137965023","https://openalex.org/W3160501005","https://openalex.org/W3167779900","https://openalex.org/W3185863076","https://openalex.org/W3194281015","https://openalex.org/W3201015336","https://openalex.org/W3202867336","https://openalex.org/W3208187232","https://openalex.org/W3210963617","https://openalex.org/W3212941463","https://openalex.org/W4221145216","https://openalex.org/W4223893925","https://openalex.org/W4226073470","https://openalex.org/W4226106833","https://openalex.org/W4226370247","https://openalex.org/W4229650096","https://openalex.org/W4236905297","https://openalex.org/W4248709896","https://openalex.org/W4285192749","https://openalex.org/W4292363360","https://openalex.org/W4297094903","https://openalex.org/W4315630113","https://openalex.org/W4321021943","https://openalex.org/W4387871008","https://openalex.org/W6767563556","https://openalex.org/W6780226713","https://openalex.org/W6792219651","https://openalex.org/W6810508293","https://openalex.org/W6846292692"],"related_works":["https://openalex.org/W4287880334","https://openalex.org/W4366700029","https://openalex.org/W4285230481","https://openalex.org/W4385769873","https://openalex.org/W2059045613","https://openalex.org/W884630482","https://openalex.org/W2025723618","https://openalex.org/W2552025594","https://openalex.org/W4211013851","https://openalex.org/W2134520490"],"abstract_inverted_index":{"Terahertz":[0],"ultra-massive":[1],"MIMO":[2],"(THz":[3],"UM-MIMO)":[4],"is":[5,21,96,102,139,165,188,202],"envisioned":[6],"as":[7,32],"one":[8],"of":[9,13,45,72,111,178],"the":[10,33,38,59,70,73,126,137,191,199,224,227],"key":[11],"enablers":[12],"6G":[14],"wireless":[15],"networks,":[16],"for":[17,84,190],"which":[18,89,157,187],"channel":[19,87,93,129,194],"estimation":[20,26,130,231],"highly":[22],"challenging.":[23],"Traditional":[24],"analytical":[25],"methods":[27,229],"are":[28,220],"no":[29,184],"longer":[30],"effective,":[31],"enlarged":[34],"array":[35],"aperture":[36],"and":[37,47,66,95,116,141,153,171,216,236],"small":[39],"wavelength":[40],"result":[41],"in":[42,230],"a":[43,51,80,105,112,117,149,176],"mixture":[44],"far-field":[46],"near-field":[48],"paths,":[49],"constituting":[50],"hybrid-field":[52],"channel.":[53],"Deep":[54],"learning":[55],"(DL)-based":[56],"methods,":[57],"despite":[58],"competitive":[60],"performance,":[61],"generally":[62],"lack":[63],"theoretical":[64],"guarantees":[65],"scale":[67],"poorly":[68],"with":[69,97,148,182,210],"size":[71],"array.":[74],"In":[75],"this":[76],"paper,":[77],"we":[78],"propose":[79],"general":[81],"DL":[82],"framework":[83,201],"THz":[85,127,193,207],"UM-MIMO":[86,128,208],"estimation,":[88],"leverages":[90],"existing":[91],"iterative":[92],"estimators":[94],"provable":[98,145],"guarantees.":[99],"Each":[100],"iteration":[101],"implemented":[103],"by":[104],"fixed":[106],"point":[107],"network":[108],"(FPN),":[109],"consisting":[110],"closed-form":[113],"linear":[114,146],"estimator":[115],"DL-based":[118],"non-linear":[119],"estimator.":[120],"The":[121],"proposed":[122,200],"method":[123],"perfectly":[124],"matches":[125],"due":[131],"to":[132,167,175,205,222],"several":[133],"unique":[134],"advantages.":[135],"First,":[136],"complexity":[138],"low":[140,150],"adaptive.":[142],"It":[143],"enjoys":[144],"convergence":[147,233],"per-iteration":[151],"cost":[152],"monotonically":[154],"increasing":[155],"accuracy,":[156,232],"enables":[158],"an":[159],"adaptive":[160],"accuracy-complexity":[161],"tradeoff.":[162],"Second,":[163],"it":[164],"robust":[166],"practical":[168,197],"distribution":[169],"shifts":[170],"can":[172],"directly":[173],"generalize":[174],"variety":[177],"heavily":[179],"out-of-distribution":[180],"scenarios":[181],"almost":[183],"performance":[185],"loss,":[186],"suitable":[189],"complicated":[192],"conditions.":[195],"For":[196],"usage,":[198],"further":[203],"extended":[204],"wideband":[206],"systems":[209],"beam":[211],"squint":[212],"effect.":[213],"Theoretical":[214],"analysis":[215],"extensive":[217],"simulation":[218],"results":[219],"provided":[221],"illustrate":[223],"advantages":[225],"over":[226],"state-of-the-art":[228],"rate,":[234],"complexity,":[235],"robustness.":[237]},"counts_by_year":[{"year":2026,"cited_by_count":12},{"year":2025,"cited_by_count":49},{"year":2024,"cited_by_count":32},{"year":2023,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}