{"id":"https://openalex.org/W4391149042","doi":"https://doi.org/10.1109/ic-nidc59918.2023.10390625","title":"Channel Estimation for Ris-Aided Mmwave Mu-Mimo Systems: Collaborative Low-Rank Matrix Completion Approach","display_name":"Channel Estimation for Ris-Aided Mmwave Mu-Mimo Systems: Collaborative Low-Rank Matrix Completion Approach","publication_year":2023,"publication_date":"2023-11-03","ids":{"openalex":"https://openalex.org/W4391149042","doi":"https://doi.org/10.1109/ic-nidc59918.2023.10390625"},"language":"en","primary_location":{"id":"doi:10.1109/ic-nidc59918.2023.10390625","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ic-nidc59918.2023.10390625","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 8th IEEE International Conference on Network Intelligence and Digital Content (IC-NIDC)","raw_type":"proceedings-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/A5068965339","display_name":"Jeongjae Lee","orcid":"https://orcid.org/0009-0003-8149-2149"},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jeongjae Lee","raw_affiliation_strings":["Hanyang University,Department of Electronic Engineering,Seoul,Korea","Department of Electronic Engineering, Hanyang University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Hanyang University,Department of Electronic Engineering,Seoul,Korea","institution_ids":["https://openalex.org/I4575257"]},{"raw_affiliation_string":"Department of Electronic Engineering, Hanyang University, Seoul, Korea","institution_ids":["https://openalex.org/I4575257"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084652371","display_name":"Song\u2010Nam Hong","orcid":"https://orcid.org/0000-0002-9535-2521"},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Songnam Hong","raw_affiliation_strings":["Hanyang University,Department of Electronic Engineering,Seoul,Korea","Department of Electronic Engineering, Hanyang University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Hanyang University,Department of Electronic Engineering,Seoul,Korea","institution_ids":["https://openalex.org/I4575257"]},{"raw_affiliation_string":"Department of Electronic Engineering, Hanyang University, Seoul, Korea","institution_ids":["https://openalex.org/I4575257"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5068965339"],"corresponding_institution_ids":["https://openalex.org/I4575257"],"apc_list":null,"apc_paid":null,"fwci":0.6506,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.69669411,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"207","last_page":"211"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.998199999332428,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9973000288009644,"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":0.7435060739517212},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7263156771659851},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.6733519434928894},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6527363657951355},{"id":"https://openalex.org/keywords/matrix-completion","display_name":"Matrix completion","score":0.610811710357666},{"id":"https://openalex.org/keywords/low-rank-approximation","display_name":"Low-rank approximation","score":0.5535026788711548},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5322413444519043},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5201214551925659},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4938583970069885},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.49225106835365295},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.42117026448249817},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.42007142305374146},{"id":"https://openalex.org/keywords/convex-function","display_name":"Convex function","score":0.4161009192466736},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.34305906295776367},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3330781161785126},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.22992166876792908},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21736252307891846},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12106820940971375}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7435060739517212},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7263156771659851},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.6733519434928894},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6527363657951355},{"id":"https://openalex.org/C2778459887","wikidata":"https://www.wikidata.org/wiki/Q6787865","display_name":"Matrix completion","level":3,"score":0.610811710357666},{"id":"https://openalex.org/C90199385","wikidata":"https://www.wikidata.org/wiki/Q6692777","display_name":"Low-rank approximation","level":3,"score":0.5535026788711548},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5322413444519043},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5201214551925659},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4938583970069885},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.49225106835365295},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.42117026448249817},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.42007142305374146},{"id":"https://openalex.org/C145446738","wikidata":"https://www.wikidata.org/wiki/Q319913","display_name":"Convex function","level":3,"score":0.4161009192466736},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.34305906295776367},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3330781161785126},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.22992166876792908},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21736252307891846},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12106820940971375},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","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},{"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/C25023664","wikidata":"https://www.wikidata.org/wiki/Q1575637","display_name":"Hankel matrix","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ic-nidc59918.2023.10390625","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ic-nidc59918.2023.10390625","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 8th IEEE International Conference on Network Intelligence and Digital Content (IC-NIDC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2123457453","https://openalex.org/W2792273065","https://openalex.org/W2949419207","https://openalex.org/W2994742101","https://openalex.org/W3092446067","https://openalex.org/W3103026331","https://openalex.org/W3132452561","https://openalex.org/W3202943682","https://openalex.org/W4225263919","https://openalex.org/W4226227715","https://openalex.org/W6641162989"],"related_works":["https://openalex.org/W2952489973","https://openalex.org/W4300776969","https://openalex.org/W2106005123","https://openalex.org/W2266965707","https://openalex.org/W4387323768","https://openalex.org/W2084983808","https://openalex.org/W2906317811","https://openalex.org/W4318564253","https://openalex.org/W2994409951","https://openalex.org/W2402491700"],"abstract_inverted_index":{"Channel":[0],"estimation":[1,27,43],"is":[2,38,55],"one":[3],"of":[4,11,90],"the":[5,9,41,79,88,91],"key":[6],"challenges":[7],"for":[8,29],"deployment":[10],"reconfigurable":[12],"intelligent":[13],"surface":[14],"(RIS)":[15],"aided":[16],"communication":[17],"systems.":[18,34],"In":[19],"this":[20,59],"paper,":[21],"we":[22,62,75,86],"propose":[23],"an":[24],"efficient":[25],"channel":[26,42],"algorithm":[28],"multi-user":[30],"RIS-aided":[31],"millimeter-wave":[32],"(mmWave)":[33],"The":[35],"main":[36],"idea":[37],"to":[39,57],"formulate":[40],"problem":[44,60,80],"as":[45],"a":[46],"collaborative":[47],"low-rank":[48],"matrix":[49],"completion":[50],"(C-LRMC)":[51],"optimization.":[52,83],"Since":[53],"it":[54],"intractable":[56],"solve":[58],"directly,":[61],"introduce":[63],"surrogate":[64],"functions":[65],"that":[66],"can":[67,76],"well-approximate":[68],"our":[69],"non-convex":[70],"objective":[71],"function.":[72],"Leveraging":[73],"them,":[74],"efficiently":[77],"tackle":[78],"via":[81],"alternating":[82],"Via":[84],"simulations,":[85],"show":[87],"superiority":[89],"proposed":[92],"algorithm.":[93]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2}],"updated_date":"2026-04-02T15:55:50.835912","created_date":"2025-10-10T00:00:00"}