{"id":"https://openalex.org/W3174503196","doi":"https://doi.org/10.1109/icccs52626.2021.9449220","title":"Randomized Low- Rank Matrix Approximation-Based Channel Estimation for Massive MU-MIMO systems","display_name":"Randomized Low- Rank Matrix Approximation-Based Channel Estimation for Massive MU-MIMO systems","publication_year":2021,"publication_date":"2021-04-23","ids":{"openalex":"https://openalex.org/W3174503196","doi":"https://doi.org/10.1109/icccs52626.2021.9449220","mag":"3174503196"},"language":"en","primary_location":{"id":"doi:10.1109/icccs52626.2021.9449220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icccs52626.2021.9449220","pdf_url":null,"source":{"id":"https://openalex.org/S4306498809","display_name":"2021 IEEE 6th International Conference on Computer and Communication Systems (ICCCS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 6th International Conference on Computer and Communication Systems (ICCCS)","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/A5031230869","display_name":"Ruilang He","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruilang He","raw_affiliation_strings":["CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046284918","display_name":"Zhenkun Qiu","orcid":"https://orcid.org/0000-0002-4603-5415"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenkun Qiu","raw_affiliation_strings":["CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065141875","display_name":"Wuyang Zhou","orcid":"https://orcid.org/0000-0003-2229-2852"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wuyang Zhou","raw_affiliation_strings":["CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":0.4335,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.39649739,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"3","issue":null,"first_page":"570","last_page":"575"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11946","display_name":"Antenna Design and Optimization","score":0.9980999827384949,"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/singular-value-decomposition","display_name":"Singular value decomposition","score":0.8379621505737305},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6359321475028992},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.6160862445831299},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6090746521949768},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.5734138488769531},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.5653774738311768},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5580941438674927},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5457810759544373},{"id":"https://openalex.org/keywords/low-rank-approximation","display_name":"Low-rank approximation","score":0.5199452638626099},{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.4579980671405792},{"id":"https://openalex.org/keywords/singular-value","display_name":"Singular value","score":0.42967426776885986},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39895790815353394},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3681929409503937},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.35635173320770264},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.17727446556091309},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16206493973731995},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0940798819065094},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0869951844215393}],"concepts":[{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.8379621505737305},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6359321475028992},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.6160862445831299},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6090746521949768},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.5734138488769531},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.5653774738311768},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5580941438674927},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5457810759544373},{"id":"https://openalex.org/C90199385","wikidata":"https://www.wikidata.org/wiki/Q6692777","display_name":"Low-rank approximation","level":3,"score":0.5199452638626099},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.4579980671405792},{"id":"https://openalex.org/C109282560","wikidata":"https://www.wikidata.org/wiki/Q4166054","display_name":"Singular value","level":3,"score":0.42967426776885986},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39895790815353394},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3681929409503937},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.35635173320770264},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.17727446556091309},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16206493973731995},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0940798819065094},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0869951844215393},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","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/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icccs52626.2021.9449220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icccs52626.2021.9449220","pdf_url":null,"source":{"id":"https://openalex.org/S4306498809","display_name":"2021 IEEE 6th International Conference on Computer and Communication Systems (ICCCS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 6th International Conference on Computer and Communication Systems (ICCCS)","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":22,"referenced_works":["https://openalex.org/W151604921","https://openalex.org/W1950149046","https://openalex.org/W1970113402","https://openalex.org/W1999352252","https://openalex.org/W2077325506","https://openalex.org/W2130134073","https://openalex.org/W2137628444","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2157988812","https://openalex.org/W2193576262","https://openalex.org/W2195833401","https://openalex.org/W2238937638","https://openalex.org/W2747827192","https://openalex.org/W2772646190","https://openalex.org/W2903920861","https://openalex.org/W2938187009","https://openalex.org/W3100283647","https://openalex.org/W3108988451","https://openalex.org/W3111067891","https://openalex.org/W3112410551","https://openalex.org/W4244670803"],"related_works":["https://openalex.org/W4319586039","https://openalex.org/W4382583540","https://openalex.org/W2010100052","https://openalex.org/W2148568324","https://openalex.org/W1990844505","https://openalex.org/W1607100495","https://openalex.org/W4378770618","https://openalex.org/W4386721910","https://openalex.org/W4094001","https://openalex.org/W2163255469"],"abstract_inverted_index":{"It":[0],"is":[1,40,107],"a":[2,54,100],"critical":[3],"issue":[4],"to":[5,42,64,75,114,120],"estimate":[6],"the":[7,19,27,31,35,44,67,78,89,95,122,125],"large-dimensional":[8,90],"channel":[9,32,38,55,91,104],"matrix":[10,33,61,92],"for":[11,88],"massive":[12],"multi-user":[13],"multiple-input":[14],"multiple-output":[15],"(MU-MIMO)":[16],"systems":[17],"within":[18],"limited":[20],"coherence":[21],"time":[22],"interval.":[23],"In":[24],"this":[25],"paper,":[26],"low-rank":[28,60],"property":[29],"of":[30,46,69,97,124],"under":[34],"finite":[36],"scattering":[37],"model":[39],"exploited":[41],"enhance":[43,94],"performance":[45,68,96],"least":[47],"squares":[48],"(LS)":[49],"estimation.":[50,71],"First,":[51],"we":[52],"propose":[53],"estimation":[56,105],"method":[57,106],"based":[58],"on":[59],"approximation":[62],"(LRMA)":[63],"substantially":[65],"improve":[66],"LS":[70,98],"Then,":[72],"in":[73],"order":[74],"effectively":[76],"eliminate":[77],"computational":[79],"bottleneck":[80],"brought":[81],"by":[82],"performing":[83],"singular":[84],"value":[85],"decomposition":[86],"(SVD)":[87],"and":[93,119],"estimation,":[99],"novel":[101],"randomized":[102],"LRMA-based":[103],"proposed.":[108],"Finally,":[109],"numerical":[110],"results":[111,118],"are":[112],"provided":[113],"corroborate":[115],"our":[116],"theoretical":[117],"show":[121],"superiority":[123],"proposed":[126],"methods.":[127]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
