{"id":"https://openalex.org/W4388118204","doi":"https://doi.org/10.23919/eusipco58844.2023.10289821","title":"User Association and Power Control in Cell-Free Massive MIMO with the APG Method","display_name":"User Association and Power Control in Cell-Free Massive MIMO with the APG Method","publication_year":2023,"publication_date":"2023-09-04","ids":{"openalex":"https://openalex.org/W4388118204","doi":"https://doi.org/10.23919/eusipco58844.2023.10289821"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco58844.2023.10289821","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco58844.2023.10289821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://pure.qub.ac.uk/en/publications/507e16e5-90c4-4364-b3f0-61fe11864f66","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076340396","display_name":"Chongzheng Hao","orcid":"https://orcid.org/0000-0003-2832-9986"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]},{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN","GB"],"is_corresponding":false,"raw_author_name":"Chongzheng Hao","raw_affiliation_strings":["Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038151851","display_name":"Tung T. Vu","orcid":"https://orcid.org/0000-0002-8342-4567"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]},{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU","GB"],"is_corresponding":false,"raw_author_name":"Tung T. Vu","raw_affiliation_strings":["Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","School of Science, RMIT University, Melbourne, VIC, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"School of Science, RMIT University, Melbourne, VIC, Australia","institution_ids":["https://openalex.org/I82951845"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052919611","display_name":"Hien Quoc Ngo","orcid":"https://orcid.org/0000-0002-3367-2220"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Hien Quoc Ngo","raw_affiliation_strings":["Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080867745","display_name":"Minh N. Dao","orcid":"https://orcid.org/0000-0002-8074-6675"},"institutions":[{"id":"https://openalex.org/I102134673","display_name":"Link\u00f6ping University","ror":"https://ror.org/05ynxx418","country_code":"SE","type":"education","lineage":["https://openalex.org/I102134673"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Minh N. Dao","raw_affiliation_strings":["Link&#x00F6;oping University,Department of Electrical Engineering (ISY),Link&#x00F6;ping,Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Link&#x00F6;oping University,Department of Electrical Engineering (ISY),Link&#x00F6;ping,Sweden","institution_ids":["https://openalex.org/I102134673"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112320761","display_name":"Xiaoyu Dang","orcid":"https://orcid.org/0000-0002-1519-7139"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyu Dang","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing,China","College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing,China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035876091","display_name":"Michail Matthaiou","orcid":"https://orcid.org/0000-0001-9235-7741"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Michail Matthaiou","raw_affiliation_strings":["Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen&#x0027;s University Belfast,Centre for Wireless Innovation (CWI),Belfast,U.K","institution_ids":["https://openalex.org/I126231945"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8407,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.85738605,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1469","last_page":"1473"},"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9993000030517578,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9986000061035156,"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/power-control","display_name":"Power control","score":0.669748842716217},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6637715101242065},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6368821263313293},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.6044119000434875},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5881214737892151},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.574462354183197},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5530157089233398},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5451485514640808},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.5160224437713623},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.45899656414985657},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.45641782879829407},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.44964608550071716},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3602241575717926},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.34887605905532837},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3400689959526062},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19683104753494263},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.17665109038352966}],"concepts":[{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.669748842716217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6637715101242065},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6368821263313293},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.6044119000434875},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5881214737892151},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.574462354183197},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5530157089233398},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5451485514640808},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.5160224437713623},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.45899656414985657},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.45641782879829407},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.44964608550071716},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3602241575717926},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.34887605905532837},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3400689959526062},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19683104753494263},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.17665109038352966},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.23919/eusipco58844.2023.10289821","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco58844.2023.10289821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/507e16e5-90c4-4364-b3f0-61fe11864f66","is_oa":true,"landing_page_url":"https://pure.qub.ac.uk/en/publications/507e16e5-90c4-4364-b3f0-61fe11864f66","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Hao , C , Vu , T T , Ngo , H Q , Dao , M N , Dang , X &amp; Matthaiou , M 2023 , User association and power control in cell-free massive MIMO with the APG method . in Proceedings of the 31st European Signal Processing Conference, EUSIPCO 2023 . EUSIPCO Proceedings , Institute of Electrical and Electronics Engineers Inc. , pp. 1469-1473 , 31st European Signal Processing Conference 2023 , Helsinki , Finland , 04/09/2023 . https://doi.org/10.23919/EUSIPCO58844.2023.10289821","raw_type":"contributionToPeriodical"}],"best_oa_location":{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/507e16e5-90c4-4364-b3f0-61fe11864f66","is_oa":true,"landing_page_url":"https://pure.qub.ac.uk/en/publications/507e16e5-90c4-4364-b3f0-61fe11864f66","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Hao , C , Vu , T T , Ngo , H Q , Dao , M N , Dang , X &amp; Matthaiou , M 2023 , User association and power control in cell-free massive MIMO with the APG method . in Proceedings of the 31st European Signal Processing Conference, EUSIPCO 2023 . EUSIPCO Proceedings , Institute of Electrical and Electronics Engineers Inc. , pp. 1469-1473 , 31st European Signal Processing Conference 2023 , Helsinki , Finland , 04/09/2023 . https://doi.org/10.23919/EUSIPCO58844.2023.10289821","raw_type":"contributionToPeriodical"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2184634347","https://openalex.org/W2286275639","https://openalex.org/W2607478241","https://openalex.org/W2889454423","https://openalex.org/W2904773011","https://openalex.org/W2924818594","https://openalex.org/W2962983674","https://openalex.org/W2968074955","https://openalex.org/W2971415724","https://openalex.org/W2974046131","https://openalex.org/W3034448035","https://openalex.org/W3091365446","https://openalex.org/W3102684176","https://openalex.org/W3104746390","https://openalex.org/W3169380645","https://openalex.org/W3183996360","https://openalex.org/W3188358066","https://openalex.org/W4285216097","https://openalex.org/W6686534882"],"related_works":["https://openalex.org/W3006920049","https://openalex.org/W2395708164","https://openalex.org/W4214916998","https://openalex.org/W2115199292","https://openalex.org/W2601693592","https://openalex.org/W2391952834","https://openalex.org/W1601261305","https://openalex.org/W2957675536","https://openalex.org/W1763182976","https://openalex.org/W2166436816"],"abstract_inverted_index":{"This":[0],"work":[1],"proposes":[2],"a":[3,17,34,61,74,83,145],"novel":[4,75],"approach":[5,129],"that":[6,105,121],"jointly":[7],"designs":[8],"user":[9],"equipment":[10],"(UE)":[11],"association":[12],"and":[13,45,68],"power":[14,69],"control":[15],"in":[16],"downlink":[18],"user-centric":[19],"cell-free":[20],"massive":[21],"multiple-input":[22],"multiple-output":[23],"(CFmMIMO)":[24],"network,":[25],"where":[26],"each":[27],"access":[28],"point":[29],"(AP)":[30],"only":[31,33],"serves":[32],"set":[35],"of":[36,56,109,122],"its":[37],"associated":[38],"UEs":[39],"for":[40,95],"reducing":[41],"the":[42,51,57,87,106,110,123,137,150],"backhaul":[43],"signaling":[44],"computational":[46],"complexity.":[47,101],"Aiming":[48],"at":[49],"maximizing":[50],"sum":[52],"spectral":[53],"efficiency":[54],"(SE)":[55],"UEs,":[58],"we":[59,72],"formulate":[60],"mixed-integer":[62],"nonconvex":[63],"optimization":[64],"problem":[65],"with":[66,99],"quality-of-service":[67],"constraints.":[70],"Then,":[71],"propose":[73],"accelerated":[76],"projected":[77],"gradient":[78],"(APG)":[79],"algorithm":[80,92,142],"to":[81,86,115,132,149],"obtain":[82],"suboptimal":[84],"solution":[85],"formulated":[88],"problem.":[89],"The":[90,127],"proposed":[91,111],"is":[93,113,130],"suitable":[94],"large-scale":[96],"CFmMIMO":[97],"systems":[98],"low":[100],"Numerical":[102],"results":[103],"show":[104],"50%-likely":[107],"SE":[108,146],"method":[112],"up":[114],"about":[116],"2.8":[117],"fold":[118],"higher":[119],"than":[120,136],"heuristic":[124],"baseline":[125],"scheme.":[126],"APG":[128],"confirmed":[131],"run":[133],"much":[134],"faster":[135],"successive":[138],"convex":[139],"approximation":[140],"(SCA)":[141],"while":[143],"obtaining":[144],"performance":[147],"close":[148],"SCA":[151],"approach.":[152]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
