{"id":"https://openalex.org/W4321770460","doi":"https://doi.org/10.1109/twc.2023.3246264","title":"Channel Estimation for Reconfigurable Intelligent Surface Aided Multi-User mmWave MIMO Systems","display_name":"Channel Estimation for Reconfigurable Intelligent Surface Aided Multi-User mmWave MIMO Systems","publication_year":2023,"publication_date":"2023-02-24","ids":{"openalex":"https://openalex.org/W4321770460","doi":"https://doi.org/10.1109/twc.2023.3246264"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2023.3246264","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3246264","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/A5066495421","display_name":"Jie Chen","orcid":"https://orcid.org/0000-0002-2196-9799"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]},{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CA","CN"],"is_corresponding":false,"raw_author_name":"Jie Chen","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","Department of Electrical and Computer Engineering, Western University, London, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0002-2196-9799","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Western University, London, ON, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007832415","display_name":"Ying\u2010Chang Liang","orcid":"https://orcid.org/0000-0003-2671-5090"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying-Chang Liang","raw_affiliation_strings":["Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-2671-5090","affiliations":[{"raw_affiliation_string":"Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081375588","display_name":"Hei Victor Cheng","orcid":"https://orcid.org/0000-0001-8432-3779"},"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"]},{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["CA","DK"],"is_corresponding":false,"raw_author_name":"Hei Victor Cheng","raw_affiliation_strings":["Electrical and Computer Engineering Department, University of Toronto, Toronto, ON, Canada","Electrical and Computer Engineering Department, Aarhus Universrity, Aarhus, Denmark"],"raw_orcid":"https://orcid.org/0000-0001-8432-3779","affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Department, University of Toronto, Toronto, ON, Canada","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"Electrical and Computer Engineering Department, Aarhus Universrity, Aarhus, Denmark","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004681822","display_name":"Wei Yu","orcid":"https://orcid.org/0000-0002-7453-422X"},"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":"Wei Yu","raw_affiliation_strings":["Electrical and Computer Engineering Department, University of Toronto, Toronto, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0002-7453-422X","affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Department, University of Toronto, Toronto, ON, Canada","institution_ids":["https://openalex.org/I185261750"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":23.2659,"has_fulltext":true,"cited_by_count":291,"citation_normalized_percentile":{"value":0.99864068,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"22","issue":"10","first_page":"6853","last_page":"6869"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9976999759674072,"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":0.9955000281333923,"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":0.7900843620300293},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7508492469787598},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7343666553497314},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6415657997131348},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.6381220817565918},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5851126909255981},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5465015769004822},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.42618072032928467},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4215608835220337},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3463273048400879},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32229578495025635},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23532679677009583},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11526158452033997},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10868656635284424}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7900843620300293},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7508492469787598},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7343666553497314},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6415657997131348},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.6381220817565918},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5851126909255981},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5465015769004822},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.42618072032928467},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4215608835220337},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3463273048400879},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32229578495025635},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23532679677009583},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11526158452033997},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10868656635284424},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2023.3246264","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3246264","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"},{"id":"pmh:oai:pure.atira.dk:publications/3ad2fbd6-8df9-4f3a-8906-09ac10d2169d","is_oa":false,"landing_page_url":"https://pure.au.dk/portal/en/publications/3ad2fbd6-8df9-4f3a-8906-09ac10d2169d","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Chen, J, Liang, Y C, Cheng, H V & Yu, W 2023, 'Channel Estimation for Reconfigurable Intelligent Surface Aided Multi-User mmWave MIMO Systems', IEEE Transactions on Wireless Communications, vol. 22, no. 10, pp. 6853-6869. https://doi.org/10.1109/TWC.2023.3246264","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1418244083","display_name":null,"funder_award_id":"U1801261","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3738287161","display_name":null,"funder_award_id":"2018YFB1801105","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G4517290006","display_name":null,"funder_award_id":"B20064","funder_id":"https://openalex.org/F4320335785","funder_display_name":"Project 211"},{"id":"https://openalex.org/G6799701053","display_name":null,"funder_award_id":"AUFF 39001","funder_id":"https://openalex.org/F4320321446","funder_display_name":"Aarhus Universitets Forskningsfond"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321446","display_name":"Aarhus Universitets Forskningsfond","ror":"https://ror.org/01aj84f44"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335785","display_name":"Project 211","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W143004564","https://openalex.org/W2058815839","https://openalex.org/W2096710051","https://openalex.org/W2102129292","https://openalex.org/W2107861471","https://openalex.org/W2120549790","https://openalex.org/W2127271355","https://openalex.org/W2134033146","https://openalex.org/W2161765392","https://openalex.org/W2169393984","https://openalex.org/W2400598469","https://openalex.org/W2536076834","https://openalex.org/W2576906596","https://openalex.org/W2771579582","https://openalex.org/W2792273065","https://openalex.org/W2914649645","https://openalex.org/W2937693915","https://openalex.org/W2942626342","https://openalex.org/W2944455790","https://openalex.org/W2949670636","https://openalex.org/W2950077417","https://openalex.org/W2963121727","https://openalex.org/W2963460596","https://openalex.org/W2968810373","https://openalex.org/W2969424089","https://openalex.org/W2970297297","https://openalex.org/W2970670564","https://openalex.org/W2971912794","https://openalex.org/W2973110004","https://openalex.org/W2981792785","https://openalex.org/W2982416092","https://openalex.org/W2984937369","https://openalex.org/W2990747873","https://openalex.org/W2994742101","https://openalex.org/W3005476696","https://openalex.org/W3008356568","https://openalex.org/W3009957829","https://openalex.org/W3010695123","https://openalex.org/W3017311957","https://openalex.org/W3021225717","https://openalex.org/W3022916026","https://openalex.org/W3035049807","https://openalex.org/W3036886449","https://openalex.org/W3045793887","https://openalex.org/W3045813453","https://openalex.org/W3086892208","https://openalex.org/W3103026331","https://openalex.org/W3103991536","https://openalex.org/W3104300639","https://openalex.org/W3122864568","https://openalex.org/W3131324807","https://openalex.org/W3132452561","https://openalex.org/W3134059753","https://openalex.org/W3160036209","https://openalex.org/W3208383956"],"related_works":["https://openalex.org/W2158224665","https://openalex.org/W2379589510","https://openalex.org/W4300044672","https://openalex.org/W2561058892","https://openalex.org/W4226210192","https://openalex.org/W3200824530","https://openalex.org/W4389401745","https://openalex.org/W4224872188","https://openalex.org/W4285223123","https://openalex.org/W4386970495"],"abstract_inverted_index":{"Channel":[0],"acquisition":[1],"is":[2,20],"one":[3],"of":[4,11,28,81,142,146,169,190,212,216],"the":[5,9,45,50,69,74,79,82,85,90,94,97,101,112,128,138,143,157,161,164,170,184,191,197,201,206,213,217,233,237,240],"main":[6],"challenges":[7],"for":[8,49,68],"deployment":[10],"reconfigurable":[12],"intelligent":[13],"surface":[14],"(RIS)":[15],"aided":[16,52],"communication":[17],"systems.":[18],"This":[19],"because":[21],"an":[22],"RIS":[23,51,91,95],"has":[24],"a":[25,63,117,150,176,222],"large":[26],"number":[27],"reflective":[29],"elements,":[30],"which":[31,77],"are":[32,78,104],"passive":[33],"devices":[34],"with":[35,133],"no":[36],"active":[37],"transmitting/receiving":[38],"abilities.":[39],"In":[40,183,205],"this":[41,107],"paper,":[42],"we":[43,61,174,187,209],"study":[44],"channel":[46,65,113,140,159,180,235],"estimation":[47,66,114,181],"problem":[48,115,120],"multi-user":[53,178,223],"millimeter-wave":[54],"(mmWave)":[55],"multi-input":[56],"multi-output":[57],"(MIMO)":[58],"system.":[59],"Specifically,":[60],"propose":[62,175,221],"novel":[64],"protocol":[67],"above":[70],"system":[71],"to":[72,89,96,110,130,156],"estimate":[73],"cascaded":[75,102,144],"channels,":[76],"products":[80],"channels":[83,103,129,145],"from":[84,93],"base":[86],"station":[87],"(BS)":[88],"and":[92,163,195,220,239],"users.":[98],"Further,":[99],"since":[100],"typically":[105],"sparse,":[106],"allows":[108],"us":[109],"formulate":[111],"as":[116],"sparse":[118,139,225],"recovery":[119,227],"using":[121],"compressive":[122],"sensing":[123],"(CS)":[124],"techniques,":[125],"thereby":[126],"allowing":[127],"be":[131],"estimated":[132],"less":[134],"training":[135],"overhead.":[136],"Moreover,":[137],"matrices":[141],"all":[147],"users":[148],"have":[149],"common":[151,158,171,192,202,234],"block":[152],"sparsity":[153,172,194,215],"structure":[154],"due":[155],"between":[160,236],"BS":[162,238],"RIS.":[165,241],"To":[166],"take":[167],"advantage":[168],"pattern,":[173],"two-step":[177],"joint":[179,224],"procedure.":[182],"first":[185],"step,":[186,208],"make":[188,210],"use":[189,211],"column-block":[193],"project":[196],"received":[198],"signals":[199,219],"onto":[200],"column":[203],"subspace.":[204],"second":[207],"row-block":[214],"projected":[218],"matrix":[226],"algorithm":[228],"that":[229],"takes":[230],"into":[231],"account":[232]},"counts_by_year":[{"year":2026,"cited_by_count":31},{"year":2025,"cited_by_count":99},{"year":2024,"cited_by_count":97},{"year":2023,"cited_by_count":50},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":6}],"updated_date":"2026-07-18T07:39:51.176621","created_date":"2025-10-10T00:00:00"}