{"id":"https://openalex.org/W4285120591","doi":"https://doi.org/10.1109/tcomm.2022.3184640","title":"Sparse Bayesian Learning Based Channel Extrapolation for RIS Assisted MIMO-OFDM","display_name":"Sparse Bayesian Learning Based Channel Extrapolation for RIS Assisted MIMO-OFDM","publication_year":2022,"publication_date":"2022-06-21","ids":{"openalex":"https://openalex.org/W4285120591","doi":"https://doi.org/10.1109/tcomm.2022.3184640"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2022.3184640","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2022.3184640","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/A5043525521","display_name":"Xiaowen Xu","orcid":"https://orcid.org/0000-0003-2265-987X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaowen Xu","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-2265-987X","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101557082","display_name":"Shun Zhang","orcid":"https://orcid.org/0000-0002-1641-0771"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shun Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-1641-0771","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050402661","display_name":"Feifei Gao","orcid":"https://orcid.org/0000-0001-8896-352X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feifei Gao","raw_affiliation_strings":["Department of Automation, Institute for Artificial Intelligence and the State Key Laboratory of Intelligent Technologies and Systems, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-8896-352X","affiliations":[{"raw_affiliation_string":"Department of Automation, Institute for Artificial Intelligence and the State Key Laboratory of Intelligent Technologies and Systems, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029002143","display_name":"Jiangzhou Wang","orcid":"https://orcid.org/0000-0003-0881-3594"},"institutions":[{"id":"https://openalex.org/I20581793","display_name":"University of Kent","ror":"https://ror.org/00xkeyj56","country_code":"GB","type":"education","lineage":["https://openalex.org/I20581793"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jiangzhou Wang","raw_affiliation_strings":["School of Engineering, University of Kent, Canterbury, U.K"],"raw_orcid":"https://orcid.org/0000-0003-0881-3594","affiliations":[{"raw_affiliation_string":"School of Engineering, University of Kent, Canterbury, U.K","institution_ids":["https://openalex.org/I20581793"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5043525521"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":4.1547,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.94783379,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"70","issue":"8","first_page":"5498","last_page":"5513"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9962000250816345,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/extrapolation","display_name":"Extrapolation","score":0.6427379846572876},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6324471235275269},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6209471225738525},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5630086660385132},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5197370052337646},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4399040639400482},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.43431296944618225},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2621849477291107},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1718936264514923}],"concepts":[{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.6427379846572876},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6324471235275269},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6209471225738525},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5630086660385132},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5197370052337646},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4399040639400482},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.43431296944618225},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2621849477291107},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1718936264514923},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2022.3184640","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2022.3184640","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":[{"id":"https://openalex.org/G2154842831","display_name":null,"funder_award_id":"61871455","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3074403023","display_name":null,"funder_award_id":"61901329","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3293150855","display_name":null,"funder_award_id":"61931017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8114187719","display_name":null,"funder_award_id":"61831013","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W2000721204","https://openalex.org/W2024165284","https://openalex.org/W2136133623","https://openalex.org/W2163068306","https://openalex.org/W2560844389","https://openalex.org/W2735938380","https://openalex.org/W2795167939","https://openalex.org/W2805166665","https://openalex.org/W2884140695","https://openalex.org/W2897059627","https://openalex.org/W2925664897","https://openalex.org/W2937693915","https://openalex.org/W2950077417","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2981792785","https://openalex.org/W2985466239","https://openalex.org/W2990747873","https://openalex.org/W2997056960","https://openalex.org/W3000522337","https://openalex.org/W3003050920","https://openalex.org/W3005476696","https://openalex.org/W3011747750","https://openalex.org/W3016215183","https://openalex.org/W3021564798","https://openalex.org/W3032095193","https://openalex.org/W3035754542","https://openalex.org/W3038342299","https://openalex.org/W3039576648","https://openalex.org/W3041653465","https://openalex.org/W3045692544","https://openalex.org/W3049332737","https://openalex.org/W3081661410","https://openalex.org/W3082907477","https://openalex.org/W3089065083","https://openalex.org/W3120822682","https://openalex.org/W3128596355","https://openalex.org/W3133443365","https://openalex.org/W3161208217","https://openalex.org/W3175566727","https://openalex.org/W3189202224","https://openalex.org/W3196301575","https://openalex.org/W3205785886","https://openalex.org/W6781551139"],"related_works":["https://openalex.org/W1968270095","https://openalex.org/W4296478327","https://openalex.org/W1960072520","https://openalex.org/W2042397106","https://openalex.org/W4361730764","https://openalex.org/W1965029248","https://openalex.org/W2220129715","https://openalex.org/W2387596242","https://openalex.org/W2333625343","https://openalex.org/W4243590696"],"abstract_inverted_index":{"Reconfigurable":[0],"intelligent":[1],"surface":[2],"(RIS)":[3],"is":[4,76,84,101,200],"a":[5,27,52,58,161,183],"revolutionary":[6],"technology":[7],"and":[8,63,100,147,159,188],"can":[9,50,178],"be":[10,179],"used":[11],"to":[12,67,113],"assist":[13],"communication":[14],"systems":[15],"by":[16,44,55,71,104,137,182],"adaptively":[17],"manipulating":[18],"the":[19,34,45,68,73,88,92,96,105,115,123,129,133,140,144,152,166,174,191,196,203,210,214],"wireless":[20],"environment.":[21],"In":[22,111,194],"this":[23],"paper,":[24],"we":[25,49,126,150],"propose":[26],"novel":[28],"cascaded":[29,93],"channel":[30,46,54,82,94,98,141,154,176,205],"estimation":[31],"algorithm":[32],"for":[33,165,202],"RIS-assisted":[35],"multiple-input":[36],"multiple-output":[37],"orthogonal":[38],"frequency":[39],"division":[40],"multiplexing":[41],"systems.":[42],"Inspired":[43],"compression":[47],"idea,":[48],"obtain":[51],"sub-sampled":[53],"turning":[56],"off":[57],"fraction":[59],"of":[60,81,91,117,139,173,185,213],"RIS":[61],"elements":[62],"then":[64,102],"extrapolate":[65],"it":[66],"complete":[69],"one,":[70],"which":[72],"pilot":[74],"overhead":[75],"greatly":[77],"reduced.":[78],"The":[79,169],"problem":[80],"extrapolation":[83],"transformed":[85],"into":[86,132],"recovering":[87],"physical":[89],"parameters":[90],"from":[95],"partial":[97],"observations":[99],"formulated":[103],"sparse":[106,171],"Bayesian":[107],"learning":[108],"(SBL)":[109],"framework.":[110,135],"order":[112],"circumvent":[114],"curse":[116],"high":[118],"dimensional":[119],"matrices":[120],"inversion":[121],"in":[122,156],"vector-matrix":[124],"system,":[125],"further":[127],"introduce":[128],"tensor":[130,157,177],"structure":[131],"SBL":[134],"Specially,":[136],"leveraging":[138],"sparsity":[142],"over":[143],"angle":[145],"domain":[146],"delay":[148],"domain,":[149],"derive":[151],"virtual":[153,167,175],"expression":[155],"form":[158],"model":[160],"Kronecker-structured":[162],"prior":[163],"distribution":[164],"channels.":[168],"multi-domain":[170],"properties":[172],"effectively":[180],"captured":[181],"group":[184],"low-dimensional":[186],"hyper-parameters,":[187],"thus":[189],"reduce":[190],"computational":[192],"complexity.":[193],"addition,":[195],"Cramer-Rao":[197],"lower":[198],"bound":[199],"derived":[201],"proposed":[204,215],"extrapolation.":[206],"Simulation":[207],"results":[208],"show":[209],"superior":[211],"performance":[212],"scheme.":[216]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":4}],"updated_date":"2026-05-31T08:46:17.908082","created_date":"2025-10-10T00:00:00"}