{"id":"https://openalex.org/W3205806124","doi":"https://doi.org/10.3390/s21206742","title":"Multi-User Scheduling for 6G V2X Ultra-Massive MIMO System","display_name":"Multi-User Scheduling for 6G V2X Ultra-Massive MIMO System","publication_year":2021,"publication_date":"2021-10-11","ids":{"openalex":"https://openalex.org/W3205806124","doi":"https://doi.org/10.3390/s21206742","mag":"3205806124","pmid":"https://pubmed.ncbi.nlm.nih.gov/34695952"},"language":"en","primary_location":{"id":"doi:10.3390/s21206742","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21206742","pdf_url":"https://www.mdpi.com/1424-8220/21/20/6742/pdf?version=1634097017","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/20/6742/pdf?version=1634097017","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052718513","display_name":"HE Shi-biao","orcid":"https://orcid.org/0000-0003-1540-326X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shibiao He","raw_affiliation_strings":["School of Electronic Information, Chongqing Institute of Engineering, Chongqing 400056, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information, Chongqing Institute of Engineering, Chongqing 400056, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091365276","display_name":"Jieru Du","orcid":null},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jieru Du","raw_affiliation_strings":["School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China"],"affiliations":[{"raw_affiliation_string":"School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048323926","display_name":"Liao Yong","orcid":"https://orcid.org/0000-0003-0171-4323"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yong Liao","raw_affiliation_strings":["School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China"],"affiliations":[{"raw_affiliation_string":"School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5048323926"],"corresponding_institution_ids":["https://openalex.org/I158842170"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.9108,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.74316883,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"21","issue":"20","first_page":"6742","last_page":"6742"},"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9955000281333923,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8546807765960693},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7276484370231628},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.670950710773468},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5564382076263428},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5317614674568176},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5300761461257935},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46348124742507935},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.4595794081687927},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.4302843511104584},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4125070571899414},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3345225751399994},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.30079394578933716},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.22985783219337463},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16040650010108948},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1559273600578308},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12508216500282288},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10311061143875122},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.08361232280731201}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8546807765960693},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7276484370231628},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.670950710773468},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5564382076263428},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5317614674568176},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5300761461257935},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46348124742507935},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.4595794081687927},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.4302843511104584},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4125070571899414},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3345225751399994},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.30079394578933716},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.22985783219337463},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16040650010108948},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1559273600578308},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12508216500282288},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10311061143875122},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.08361232280731201}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s21206742","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21206742","pdf_url":"https://www.mdpi.com/1424-8220/21/20/6742/pdf?version=1634097017","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:34695952","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34695952","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:900ef37d30a5418fa448ccd497beb4fc","is_oa":true,"landing_page_url":"https://doaj.org/article/900ef37d30a5418fa448ccd497beb4fc","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 20, p 6742 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/20/6742/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21206742","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 20; Pages: 6742","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8537295","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8537295","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21206742","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21206742","pdf_url":"https://www.mdpi.com/1424-8220/21/20/6742/pdf?version=1634097017","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6100000143051147,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G4220596025","display_name":null,"funder_award_id":"No. 61501066","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3205806124.pdf","grobid_xml":"https://content.openalex.org/works/W3205806124.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W2017844652","https://openalex.org/W2037785632","https://openalex.org/W2053521124","https://openalex.org/W2132790099","https://openalex.org/W2765379722","https://openalex.org/W2938375748","https://openalex.org/W2944069034","https://openalex.org/W2955689425","https://openalex.org/W2963775970","https://openalex.org/W2964662589","https://openalex.org/W3023165390","https://openalex.org/W3047913207","https://openalex.org/W3081442576","https://openalex.org/W3096868916","https://openalex.org/W3115954985","https://openalex.org/W3133267584","https://openalex.org/W3135269945","https://openalex.org/W3163727070"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W2018468199","https://openalex.org/W3200824530","https://openalex.org/W2594428395","https://openalex.org/W4317419661","https://openalex.org/W2786037542"],"abstract_inverted_index":{"6G":[0,22,71,190],"vehicle-to-everything":[1],"(V2X)":[2],"communication":[3],"will":[4],"be":[5,53,187],"combined":[6],"with":[7,155],"vehicle":[8,25],"automatic":[9,18],"driving":[10],"technology":[11],"and":[12,38,43,126,137,166,185],"play":[13],"an":[14],"important":[15],"role":[16],"in":[17,21,79],"driving.":[19],"However,":[20],"V2X":[23,191],"systems,":[24],"users":[26],"have":[27],"the":[28,87,97,105,111,116,121,129,132,141,156,169,180],"characteristics":[29],"of":[30,86,90,131,143],"high-speed":[31],"movement.":[32],"Therefore,":[33],"how":[34],"to":[35,93,103,114,120,189],"provide":[36],"stable":[37],"reliable":[39],"wireless":[40],"link":[41],"quality":[42,118],"improve":[44],"channel":[45,94,106,117,138,148,176],"gain":[46],"has":[47],"become":[48],"a":[49,59],"problem":[50],"that":[51,153],"must":[52],"solved.":[54],"To":[55],"solve":[56],"this":[57,80],"problem,":[58],"new":[60],"multi-user":[61,157],"scheduling":[62,112,158],"algorithm":[63,83,159,171],"based":[64,160],"on":[65,161],"block":[66],"diagonalization":[67],"(BD)":[68],"precoding":[69,92],"for":[70],"ultra-massive":[72],"multiple-input":[73],"multiple-output":[74],"(MIMO)":[75],"systems":[76],"is":[77],"proposed":[78,170],"paper.":[81],"The":[82],"takes":[84],"advantage":[85],"sensitive":[88],"nature":[89],"BD":[91],"correlation,":[95,163],"uses":[96],"Pearson":[98],"coefficient":[99],"after":[100],"matrix":[101],"vectorization":[102],"measure":[104,115],"correlation":[107,133],"between":[108,134],"users,":[109],"defines":[110],"factor":[113],"according":[119],"user":[122,135,175],"noise":[123],"enhancement":[124],"factor,":[125],"jointly":[127],"considers":[128],"influence":[130],"channels":[136,145],"quality,":[139],"ensuring":[140],"selection":[142],"high-quality":[144],"while":[146],"minimizing":[147],"correlation.":[149],"Simulation":[150],"results":[151],"show":[152],"compared":[154],"subspace":[162],"condition":[164],"number,":[165],"geometric":[167],"angle,":[168],"can":[172,186],"obtain":[173],"higher":[174],"gain,":[177],"effectively":[178],"reduce":[179],"system":[181],"bit":[182],"error":[183],"rate,":[184],"applied":[188],"communication.":[192]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
