{"id":"https://openalex.org/W3080525847","doi":"https://doi.org/10.1109/isit44484.2020.9173987","title":"Message-Passing Based Channel Estimation for Reconfigurable Intelligent Surface Assisted MIMO","display_name":"Message-Passing Based Channel Estimation for Reconfigurable Intelligent Surface Assisted MIMO","publication_year":2020,"publication_date":"2020-06-01","ids":{"openalex":"https://openalex.org/W3080525847","doi":"https://doi.org/10.1109/isit44484.2020.9173987","mag":"3080525847"},"language":"en","primary_location":{"id":"doi:10.1109/isit44484.2020.9173987","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit44484.2020.9173987","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5119011911","display_name":"Hang Liu","orcid":"https://orcid.org/0009-0001-2928-1040"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hang Liu","raw_affiliation_strings":["The Chinese University of Hong Kong,Department of Information Engineering,Shatin, N. T.,Hong Kong SAR","Department of Information Engineering, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Chinese University of Hong Kong,Department of Information Engineering,Shatin, N. T.,Hong Kong SAR","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Department of Information Engineering, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong SAR","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063946480","display_name":"Xiaojun Yuan","orcid":"https://orcid.org/0000-0002-0433-6535"},"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":"Xiaojun Yuan","raw_affiliation_strings":["University of Electronic Science and Technology of China,Center for Intelligent Networking and Communications,Chengdu,China","Center for Intelligent Networking and Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China,Center for Intelligent Networking and Communications,Chengdu,China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Center for Intelligent Networking and Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004874287","display_name":"Ying\u2013Jun Angela Zhang","orcid":"https://orcid.org/0000-0002-7304-6849"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ying-Jun Angela Zhang","raw_affiliation_strings":["The Chinese University of Hong Kong,Department of Information Engineering,Shatin, N. T.,Hong Kong SAR","Department of Information Engineering, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Chinese University of Hong Kong,Department of Information Engineering,Shatin, N. T.,Hong Kong SAR","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Department of Information Engineering, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong SAR","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5048,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.89816704,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"2983","last_page":"2988"},"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":0.9882000088691711,"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":0.9848999977111816,"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":0.8375967741012573},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7741097807884216},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7629865407943726},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6853761672973633},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6527562737464905},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.6031947731971741},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5956714749336243},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5880863666534424},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.4562775194644928},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3770764172077179},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3383162021636963},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32289576530456543},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2533566355705261},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2003357708454132},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18509110808372498},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.17105361819267273},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.161823570728302}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8375967741012573},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7741097807884216},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7629865407943726},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6853761672973633},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6527562737464905},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.6031947731971741},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5956714749336243},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5880863666534424},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.4562775194644928},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3770764172077179},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3383162021636963},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32289576530456543},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2533566355705261},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2003357708454132},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18509110808372498},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.17105361819267273},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.161823570728302},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit44484.2020.9173987","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit44484.2020.9173987","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1997834106","https://openalex.org/W2028102270","https://openalex.org/W2082029531","https://openalex.org/W2533208082","https://openalex.org/W2948219016","https://openalex.org/W2950077417","https://openalex.org/W2963669302","https://openalex.org/W2969424089","https://openalex.org/W2981792785","https://openalex.org/W2993316576","https://openalex.org/W2997665500","https://openalex.org/W3017311957","https://openalex.org/W3035697429","https://openalex.org/W3036185781","https://openalex.org/W3103026331","https://openalex.org/W3134059753","https://openalex.org/W3198531577","https://openalex.org/W4288365549","https://openalex.org/W6762113363","https://openalex.org/W6763314000","https://openalex.org/W6769922080","https://openalex.org/W6785418771"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2167568384","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2544668827","https://openalex.org/W2082469387","https://openalex.org/W1985632843"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,68,95],"study":[4],"the":[5,33,46,60,70,83,86,91,104],"channel":[6,38,71,88,93],"acquisition":[7,39],"problem":[8,73],"in":[9,41],"a":[10,43,75,97],"reconfigurable":[11],"intelligent":[12],"surface":[13],"(RIS)":[14],"assisted":[15],"multiuser":[16],"multiple-input":[17],"multiple-output":[18],"(MIMO)":[19],"system,":[20],"where":[21],"an":[22,64],"RIS":[23],"with":[24,63],"fully":[25],"passive":[26],"phase-shift":[27],"elements":[28],"is":[29],"deployed":[30],"to":[31,102],"assist":[32],"MIMO":[34],"communication.":[35],"The":[36],"state-of-the-art":[37],"approach":[40],"such":[42],"system":[44],"estimates":[45],"cascaded":[47,61,105],"transmitter-to-RIS":[48],"and":[49,90],"RIS-to-receiver":[50],"channels":[51,62],"by":[52],"adopting":[53],"excessively":[54],"long":[55],"training":[56,66],"sequences.":[57],"To":[58],"estimate":[59],"affordable":[65],"overhead,":[67],"formulate":[69],"estimation":[72],"as":[74],"matrix-calibration":[76],"based":[77,100],"matrix":[78],"factorization":[79],"task.":[80],"By":[81],"exploiting":[82],"information":[84],"on":[85],"slow-varying":[87],"components":[89],"hidden":[92],"sparsity,":[94],"propose":[96],"novel":[98],"message-passing":[99],"algorithm":[101],"factorize":[103],"channels.":[106]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
