{"id":"https://openalex.org/W1903699831","doi":"https://doi.org/10.1109/tcomm.2017.2786670","title":"A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels","display_name":"A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels","publication_year":2017,"publication_date":"2017-12-25","ids":{"openalex":"https://openalex.org/W1903699831","doi":"https://doi.org/10.1109/tcomm.2017.2786670","mag":"1903699831"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2017.2786670","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2786670","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1403.6931","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086506895","display_name":"Gilwon Lee","orcid":"https://orcid.org/0000-0003-2135-8768"},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gilwon Lee","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USA","Department of Electrical and Computer Engineering The University of Texas at Austin Austin TX USA"],"raw_orcid":"https://orcid.org/0000-0003-2135-8768","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering The University of Texas at Austin Austin TX USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020240958","display_name":"Youngchul Sung","orcid":"https://orcid.org/0000-0003-4536-6690"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Youngchul Sung","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-4536-6690","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1695,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.79479015,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"66","issue":"4","first_page":"1481","last_page":"1495"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9972000122070312,"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/beamforming","display_name":"Beamforming","score":0.8958355188369751},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7609264254570007},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7016006708145142},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6660488843917847},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6455848217010498},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.369577020406723},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3317019045352936},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3233615458011627},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2530149221420288},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2241484820842743},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1743166446685791},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15346303582191467},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07908636331558228}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8958355188369751},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7609264254570007},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7016006708145142},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6660488843917847},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6455848217010498},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.369577020406723},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3317019045352936},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3233615458011627},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2530149221420288},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2241484820842743},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1743166446685791},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15346303582191467},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07908636331558228},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tcomm.2017.2786670","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2786670","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1403.6931","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1403.6931","pdf_url":"https://arxiv.org/pdf/1403.6931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:1903699831","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1403.6931.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.1403.6931","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1403.6931","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1403.6931","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1403.6931","pdf_url":"https://arxiv.org/pdf/1403.6931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1903699831.pdf","grobid_xml":"https://content.openalex.org/works/W1903699831.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W1596939795","https://openalex.org/W1765370134","https://openalex.org/W1884691811","https://openalex.org/W1902678874","https://openalex.org/W1976109068","https://openalex.org/W1999848302","https://openalex.org/W2015301486","https://openalex.org/W2016672139","https://openalex.org/W2029232777","https://openalex.org/W2035750833","https://openalex.org/W2037785632","https://openalex.org/W2046437476","https://openalex.org/W2059335839","https://openalex.org/W2061513878","https://openalex.org/W2076457767","https://openalex.org/W2083962008","https://openalex.org/W2099111195","https://openalex.org/W2100548565","https://openalex.org/W2104607204","https://openalex.org/W2115407331","https://openalex.org/W2116029211","https://openalex.org/W2118651915","https://openalex.org/W2124858630","https://openalex.org/W2136907755","https://openalex.org/W2141733498","https://openalex.org/W2142134616","https://openalex.org/W2143927285","https://openalex.org/W2151795416","https://openalex.org/W2161872841","https://openalex.org/W2164497732","https://openalex.org/W2164536085","https://openalex.org/W2170738062","https://openalex.org/W2172174005","https://openalex.org/W2296319761","https://openalex.org/W2313882406","https://openalex.org/W2537515126","https://openalex.org/W2610857016","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W1992896103","https://openalex.org/W2375183204","https://openalex.org/W2051060388","https://openalex.org/W1973900587","https://openalex.org/W2021874864","https://openalex.org/W2548749996","https://openalex.org/W2359850390","https://openalex.org/W2023560844","https://openalex.org/W2004193338","https://openalex.org/W2963643599","https://openalex.org/W1991050353","https://openalex.org/W3010541656","https://openalex.org/W1542581374","https://openalex.org/W2101520326","https://openalex.org/W2097045507","https://openalex.org/W2974135609","https://openalex.org/W2964194346","https://openalex.org/W1976216661","https://openalex.org/W2093395331","https://openalex.org/W2377542887"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,32,40,123],"new":[4],"two-phase-feedback-based":[5],"user-scheduling-and-beamforming":[6],"method":[7,27,88,102],"is":[8,82,89,132],"proposed":[9,26,86,100],"for":[10,119],"multi-user":[11],"multiple-input":[12],"multiple-output":[13],"downlink":[14],"in":[15],"the":[16,25,78,85,93,99,105,108],"context":[17],"of":[18,24,34,95,107,127],"two-stage":[19],"beamforming.":[20,140],"The":[21],"key":[22],"ideas":[23],"are:":[28],"1)":[29],"to":[30,46,60],"use":[31],"set":[33],"orthogonal":[35],"reference":[36,44],"beams":[37],"and":[38,58],"construct":[39],"cone":[41],"around":[42],"each":[43],"beam":[45,63],"select":[47],"\u201cnearly-optimal\u201d":[48],"semi-orthogonal":[49,110],"users":[50,96],"based":[51,69],"only":[52,76],"on":[53,70],"channel":[54,71,129],"quality":[55],"indicator":[56],"feedback;":[57],"2)":[59],"apply":[61],"post-user-selection":[62],"design":[64],"with":[65,113,122],"zero-forcing":[66],"beamforming":[67],"(ZFBF)":[68],"state":[72],"information":[73,130],"(CSI)":[74],"feedback":[75],"from":[77],"selected":[79],"users.":[80],"It":[81],"proven":[83],"that":[84,115,136],"scheduling-and-beamforming":[87,101],"asymptotically":[90],"optimal":[91],"as":[92],"number":[94],"increase.":[97],"Furthermore,":[98],"almost":[103],"achieves":[104],"performance":[106],"existing":[109],"user":[111],"selection":[112],"ZFBF":[114],"requires":[116],"full":[117],"CSI":[118],"all":[120],"users,":[121],"significantly":[124],"reduced":[125],"amount":[126],"required":[128,137],"which":[131],"even":[133],"less":[134],"than":[135],"by":[138],"random":[139]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}