{"id":"https://openalex.org/W2898035473","doi":"https://doi.org/10.1109/iswcs.2018.8491076","title":"A Low Complexity Solution for Resource Allocation and SDMA Grouping in Massive MIMO Systems","display_name":"A Low Complexity Solution for Resource Allocation and SDMA Grouping in Massive MIMO Systems","publication_year":2018,"publication_date":"2018-08-01","ids":{"openalex":"https://openalex.org/W2898035473","doi":"https://doi.org/10.1109/iswcs.2018.8491076","mag":"2898035473"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2018.8491076","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2018.8491076","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","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/A5029298829","display_name":"Weskley Maur\u00edcio","orcid":"https://orcid.org/0000-0002-6057-2647"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Weskley V.F. Mauricio","raw_affiliation_strings":["Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027950595","display_name":"Daniel C. Ara\u00fajo","orcid":"https://orcid.org/0000-0002-9107-1300"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Daniel C. Araujo","raw_affiliation_strings":["Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112393809","display_name":"F.C. Hugo Neto","orcid":null},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"F.C. Hugo Neto","raw_affiliation_strings":["Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003511260","display_name":"Francisco Rafael Marques Lima","orcid":"https://orcid.org/0000-0002-4115-1935"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"F.M. Rafael Lima","raw_affiliation_strings":["Federal University of Ceara"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Ceara","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002093446","display_name":"Tarc\u00edsio F. Maciel","orcid":"https://orcid.org/0000-0002-8861-1708"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Tarcisio F. Maciel","raw_affiliation_strings":["Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecomunnications Research Group (GTEL), Federal University of Ceara, Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I243754102"],"apc_list":null,"apc_paid":null,"fwci":1.1785,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.80496537,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998000264167786,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6826720833778381},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6045580506324768},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5743248462677002},{"id":"https://openalex.org/keywords/space-division-multiple-access","display_name":"Space-division multiple access","score":0.4319611191749573},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3631086051464081},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3281477093696594},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.328122079372406},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23681429028511047},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16904279589653015},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.1263992190361023}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6826720833778381},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6045580506324768},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5743248462677002},{"id":"https://openalex.org/C2778140939","wikidata":"https://www.wikidata.org/wiki/Q3494197","display_name":"Space-division multiple access","level":3,"score":0.4319611191749573},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3631086051464081},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3281477093696594},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.328122079372406},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23681429028511047},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16904279589653015},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.1263992190361023},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2018.8491076","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2018.8491076","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.49000000953674316,"id":"https://metadata.un.org/sdg/8"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1536628706","https://openalex.org/W1986226687","https://openalex.org/W1997834106","https://openalex.org/W2025504765","https://openalex.org/W2027350700","https://openalex.org/W2035750833","https://openalex.org/W2083547810","https://openalex.org/W2094655360","https://openalex.org/W2100548565","https://openalex.org/W2104074482","https://openalex.org/W2128719882","https://openalex.org/W2162296042","https://openalex.org/W2195693430","https://openalex.org/W2343448572","https://openalex.org/W2478708596","https://openalex.org/W2481072305","https://openalex.org/W2520766356","https://openalex.org/W2537515126","https://openalex.org/W2554187790","https://openalex.org/W2671933846","https://openalex.org/W2740297124","https://openalex.org/W2761904027","https://openalex.org/W2774087927","https://openalex.org/W3159822323","https://openalex.org/W6632037631"],"related_works":["https://openalex.org/W2114032281","https://openalex.org/W2126333620","https://openalex.org/W2062815208","https://openalex.org/W2003532551","https://openalex.org/W2387348203","https://openalex.org/W1985944530","https://openalex.org/W2545343974","https://openalex.org/W2363663997","https://openalex.org/W2162200069","https://openalex.org/W2171228700"],"abstract_inverted_index":{"This":[0],"work":[1],"investigates":[2],"the":[3,24,49,52,75,86,116,120,128,132,141,149,162,169],"space-division":[4],"multiple":[5,12,14,69],"access":[6],"grouping":[7],"problem":[8],"in":[9,21,34],"multiuser":[10],"massive":[11],"input":[13],"output":[15],"(MIMO).":[16],"The":[17,96,136,152],"adopted":[18],"approach":[19],"consists":[20],"performing":[22],"firstly":[23],"K-means":[25],"algorithm,":[26],"that":[27,83,123,140],"is":[28,99],"a":[29,60,81,171],"classification":[30],"algorithm":[31],"well":[32],"known":[33],"machine":[35],"learning":[36],"field,":[37],"to":[38,130],"split":[39],"mobile":[40],"stations":[41],"(MSs)":[42],"into":[43],"spatially":[44],"compatible":[45],"clusters":[46],"based":[47,79],"on":[48,80],"knowledge":[50],"of":[51,62],"users'":[53],"spatial":[54,70,90],"covariance":[55],"matrices.":[56],"Secondly,":[57],"it":[58],"schedules":[59],"sub-set":[61],"MSs":[63,76,129],"from":[64],"each":[65],"cluster":[66],"thus":[67],"supporting":[68],"streams":[71],"per":[72],"cluster.":[73],"Furthermore,":[74],"are":[77],"selected":[78],"metric":[82],"accounts":[84],"for":[85],"trade-off":[87],"between":[88],"their":[89],"channel":[91,94],"correlation":[92],"and":[93,105,108,126,146,154],"gain.":[95],"corresponding":[97],"scheduling":[98],"optimally":[100],"solved":[101],"by":[102],"using":[103],"branch":[104],"bound":[106],"(BB)":[107],"best":[109],"fit":[110],"(BF)":[111],"algorithms.":[112],"Moreover,":[113],"we":[114],"compare":[115],"proposed":[117,143],"solutions":[118,156],"with":[119],"random":[121,150],"scheduler":[122],"performs":[124],"clustering":[125],"chooses":[127],"compose":[131],"groups":[133],"at":[134],"random.":[135],"simulation":[137],"results":[138],"show":[139],"two":[142],"solutions,":[144],"BB":[145,153],"BF":[147,155],"outperform,":[148],"scheduler.":[151],"achieve":[157],"similar":[158],"capacity":[159],"performance,":[160],"but":[161],"first":[163],"has":[164],"polynomial-time":[165],"computational":[166,173],"complexity":[167],"while":[168],"second":[170],"exponential":[172],"complexity.":[174]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}