{"id":"https://openalex.org/W3180290512","doi":"https://doi.org/10.1109/lcomm.2021.3095218","title":"ADMM Based Channel Estimation for RISs Aided Millimeter Wave Communications","display_name":"ADMM Based Channel Estimation for RISs Aided Millimeter Wave Communications","publication_year":2021,"publication_date":"2021-07-06","ids":{"openalex":"https://openalex.org/W3180290512","doi":"https://doi.org/10.1109/lcomm.2021.3095218","mag":"3180290512"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3095218","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3095218","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","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/A5100392547","display_name":"Heng Liu","orcid":"https://orcid.org/0009-0006-4959-6062"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]},{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]},{"id":"https://openalex.org/I6469544","display_name":"City University of Macau","ror":"https://ror.org/04gpd4q15","country_code":"MO","type":"education","lineage":["https://openalex.org/I6469544"]}],"countries":["CN","MO"],"is_corresponding":false,"raw_author_name":"Heng Liu","raw_affiliation_strings":["Frontiers Science Center for Smart High-Speed Railway System, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China","State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Frontiers Science Center for Smart High-Speed Railway System, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China","institution_ids":["https://openalex.org/I6469544","https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100612301","display_name":"Jiayi Zhang","orcid":"https://orcid.org/0000-0003-2434-4329"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiayi Zhang","raw_affiliation_strings":["Frontiers Science Center for Smart High-Speed Railway System, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-2434-4329","affiliations":[{"raw_affiliation_string":"Frontiers Science Center for Smart High-Speed Railway System, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048817096","display_name":"Qingqing Wu","orcid":"https://orcid.org/0000-0002-0043-3266"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]},{"id":"https://openalex.org/I6469544","display_name":"City University of Macau","ror":"https://ror.org/04gpd4q15","country_code":"MO","type":"education","lineage":["https://openalex.org/I6469544"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Qingqing Wu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China"],"raw_orcid":"https://orcid.org/0000-0002-0043-3266","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, China","institution_ids":["https://openalex.org/I6469544","https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103063755","display_name":"Huahua Xiao","orcid":"https://orcid.org/0009-0001-5316-061X"},"institutions":[{"id":"https://openalex.org/I4210098582","display_name":"ZTE (China)","ror":"https://ror.org/00rjhhq63","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210098582"]},{"id":"https://openalex.org/I4391767749","display_name":"State Key Laboratory of Mobile Networks and Mobile Multimedia Technology","ror":"https://ror.org/05cd55294","country_code":null,"type":"facility","lineage":["https://openalex.org/I4210098582","https://openalex.org/I4391767749"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huahua Xiao","raw_affiliation_strings":["State Key Laboratory of Mobile Network and Mobile Multimedia Technology, ZTE Corporation, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mobile Network and Mobile Multimedia Technology, ZTE Corporation, Shenzhen, China","institution_ids":["https://openalex.org/I4210098582","https://openalex.org/I4391767749"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100620739","display_name":"Bo Ai","orcid":"https://orcid.org/0000-0001-6850-0595"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6850-0595","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.0157,"has_fulltext":false,"cited_by_count":65,"citation_normalized_percentile":{"value":0.96037403,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"25","issue":"9","first_page":"2894","last_page":"2898"},"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":0.9937999844551086,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9847999811172485,"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/computer-science","display_name":"Computer science","score":0.7661304473876953},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7600815296173096},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7086778283119202},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6861373782157898},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5798200964927673},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.545203685760498},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5441722273826599},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4944133758544922},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.4608980715274811},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4310363531112671},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4152320325374603},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28805404901504517},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.24922555685043335},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.20760369300842285},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16899752616882324}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7661304473876953},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7600815296173096},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7086778283119202},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6861373782157898},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5798200964927673},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.545203685760498},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5441722273826599},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4944133758544922},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.4608980715274811},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4310363531112671},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4152320325374603},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28805404901504517},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.24922555685043335},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.20760369300842285},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16899752616882324},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3095218","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3095218","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1752373702","display_name":null,"funder_award_id":"61961130391","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2680719155","display_name":null,"funder_award_id":"U1834210","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4105397161","display_name":null,"funder_award_id":"L202013","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"},{"id":"https://openalex.org/G4694313481","display_name":"\u53bb\u8702\u7a9d\u5927\u89c4\u6a21MIMO\u7cfb\u7edf\u57fa\u7840\u7406\u8bba\u4e0e\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61971027","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6026921953","display_name":null,"funder_award_id":"2020JBZD005","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320313887","display_name":"ZTE Corporation","ror":"https://ror.org/00rjhhq63"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2985466239","https://openalex.org/W2990747873","https://openalex.org/W3007871380","https://openalex.org/W3015419519","https://openalex.org/W3032095193","https://openalex.org/W3034448035","https://openalex.org/W3035217884","https://openalex.org/W3038342299","https://openalex.org/W3039402952","https://openalex.org/W3081486000","https://openalex.org/W3081518414","https://openalex.org/W3100218246","https://openalex.org/W3122591164","https://openalex.org/W3129486236","https://openalex.org/W3133878048","https://openalex.org/W4287673953","https://openalex.org/W6777204498"],"related_works":["https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W2578955643","https://openalex.org/W1976511355","https://openalex.org/W1976249538","https://openalex.org/W4220680272","https://openalex.org/W2088352174","https://openalex.org/W2544668827","https://openalex.org/W2082469387"],"abstract_inverted_index":{"In":[0],"reconfigurable":[1],"intelligent":[2],"surfaces":[3],"(RISs)":[4],"aided":[5],"millimeter":[6],"wave":[7],"communication":[8],"systems,":[9],"accurate":[10],"channel":[11,28,36,56,76,118,130],"state":[12],"information":[13],"(CSI)":[14],"is":[15,59],"particularly":[16],"crucial":[17],"to":[18,33,61,96],"achieve":[19],"high":[20],"passive":[21],"beamforming":[22],"gain.":[23],"However,":[24],"the":[25,34,39,63,69,74,93,98,108,115,122,127],"complexity":[26],"of":[27,52,117],"estimation":[29,57,65,119,131],"increases":[30],"significantly":[31,113],"due":[32],"high-dimensional":[35],"matrix":[37,77,81,100],"and":[38,67,87,120],"additional":[40],"RISs'":[41],"assisted":[42],"channels.":[43],"To":[44],"tackle":[45],"this":[46],"challenge,":[47],"an":[48],"alternating":[49],"direction":[50],"method":[51,58],"multipliers":[53],"(ADMM)":[54],"based":[55],"proposed":[60,109],"improve":[62],"CSI":[64],"accuracy":[66,116],"reduce":[68,121],"training":[70,123],"overhead.":[71],"By":[72],"converting":[73],"cascaded":[75],"into":[78],"a":[79],"sparse":[80,99],"recovery":[82,101],"problem,":[83],"both":[84],"low":[85],"rank":[86],"sparsity":[88],"properties":[89],"are":[90],"exploited":[91],"by":[92],"ADMM":[94,110],"algorithm":[95,111],"solve":[97],"problem.":[102],"The":[103],"simulation":[104],"results":[105],"verify":[106],"that":[107],"can":[112],"increase":[114],"overhead,":[124],"compared":[125],"with":[126],"well-known":[128],"competing":[129],"algorithms.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":21},{"year":2022,"cited_by_count":14},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
