{"id":"https://openalex.org/W3114453971","doi":"https://doi.org/10.1109/tcomm.2020.3047801","title":"Joint Power Control and Access Point Scheduling in Fronthaul-Constrained Uplink Cell-Free Massive MIMO Systems","display_name":"Joint Power Control and Access Point Scheduling in Fronthaul-Constrained Uplink Cell-Free Massive MIMO Systems","publication_year":2020,"publication_date":"2020-12-28","ids":{"openalex":"https://openalex.org/W3114453971","doi":"https://doi.org/10.1109/tcomm.2020.3047801","mag":"3114453971"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2020.3047801","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3047801","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":"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/A5049670258","display_name":"Mamoun Guenach","orcid":"https://orcid.org/0000-0002-0620-8043"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]},{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Mamoun Guenach","raw_affiliation_strings":["Ghent University, Gent, Belgium","imec, Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ghent University, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"imec, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018546627","display_name":"A. A. Gorji","orcid":null},"institutions":[{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Ali A. Gorji","raw_affiliation_strings":["imec, Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"imec, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016885070","display_name":"Andr\u00e9 Bourdoux","orcid":"https://orcid.org/0000-0002-9264-7850"},"institutions":[{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Andre Bourdoux","raw_affiliation_strings":["imec, Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"imec, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5049670258"],"corresponding_institution_ids":["https://openalex.org/I32597200","https://openalex.org/I4210114974"],"apc_list":null,"apc_paid":null,"fwci":4.2653,"has_fulltext":false,"cited_by_count":77,"citation_normalized_percentile":{"value":0.95049838,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"69","issue":"4","first_page":"2709","last_page":"2722"},"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9998000264167786,"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/telecommunications-link","display_name":"Telecommunications link","score":0.747251033782959},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6812690496444702},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6131064891815186},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5900384187698364},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5648583173751831},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.5209633111953735},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5100343823432922},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.48185575008392334},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.44630664587020874},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3883606791496277},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.34375059604644775},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.340151846408844},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.26840606331825256},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.18628105521202087},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.12485191226005554},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08370232582092285}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.747251033782959},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6812690496444702},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6131064891815186},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5900384187698364},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5648583173751831},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.5209633111953735},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5100343823432922},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.48185575008392334},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.44630664587020874},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3883606791496277},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34375059604644775},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.340151846408844},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.26840606331825256},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.18628105521202087},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.12485191226005554},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08370232582092285},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2020.3047801","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3047801","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.4699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1518945650","https://openalex.org/W1531339130","https://openalex.org/W1557578388","https://openalex.org/W2023535408","https://openalex.org/W2103262619","https://openalex.org/W2147601077","https://openalex.org/W2159339877","https://openalex.org/W2161623414","https://openalex.org/W2214462370","https://openalex.org/W2286275639","https://openalex.org/W2291159204","https://openalex.org/W2539198515","https://openalex.org/W2593893328","https://openalex.org/W2595019094","https://openalex.org/W2610350904","https://openalex.org/W2797535556","https://openalex.org/W2839005931","https://openalex.org/W2892482224","https://openalex.org/W2925716563","https://openalex.org/W2941421756","https://openalex.org/W2963599038","https://openalex.org/W2964181991","https://openalex.org/W3003247710","https://openalex.org/W3041415426","https://openalex.org/W3045912855","https://openalex.org/W3099019646","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W3141240674","https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W2515629000","https://openalex.org/W2391952834","https://openalex.org/W2115199292","https://openalex.org/W2103590590","https://openalex.org/W2013230419","https://openalex.org/W2169192185","https://openalex.org/W2395708164"],"abstract_inverted_index":{"Cell-free":[0],"(CF)":[1],"massive":[2,59,117],"Multiple-Input":[3],"Multiple-Output":[4],"(MIMO)":[5],"with":[6,50],"large":[7],"number":[8],"of":[9,138,176,191],"distributed":[10,26],"access":[11],"points":[12],"(APs)":[13],"has":[14],"emerged":[15],"as":[16],"a":[17,56,63,72,83,88,95,109,195],"new":[18],"paradigm":[19],"allowing":[20],"higher":[21],"macro":[22],"diversity":[23,186],"for":[24,100],"randomly":[25],"users.":[27],"However,":[28],"the":[29,38,45,80,130,135,139,142,148,154,158,177,192],"fronthaul":[30,52,74,85,91,156],"traffic":[31],"bandwidth":[32],"between":[33],"central":[34],"processing":[35],"unit":[36],"and":[37,62,104,187],"APs":[39,81,143,181],"can":[40],"explode":[41],"in":[42,44,69,164],"particular":[43],"uplink,":[46],"requiring":[47],"expensive":[48],"star-topology":[49],"point-to-point":[51],"links.":[53],"To":[54],"achieve":[55],"scalable":[57,114],"CF":[58,116],"MIMO":[60],"architecture":[61],"cost-effective":[64],"fronthauling":[65],"solution,":[66],"we":[67],"consider,":[68],"this":[70],"paper,":[71],"point-to-multipoint":[73],"topology":[75],"where":[76],"(a":[77],"subset":[78],"of)":[79],"share":[82],"serial":[84],"link":[86],"offering":[87],"per-user":[89],"limited":[90],"bandwidth.":[92],"We":[93],"develop":[94],"novel":[96],"unified":[97],"optimization":[98,161],"framework":[99,162],"iterative":[101],"power":[102,123],"control":[103,124],"AP":[105],"scheduling":[106],"that":[107,122],"provides":[108],"systematic":[110],"user-centric":[111],"solution":[112],"towards":[113],"uplink":[115],"MIMO.":[118],"Experimental":[119],"results":[120,163],"show":[121],"is":[125,144],"not":[126],"sufficient":[127],"to":[128,141,146],"guarantee":[129],"best":[131],"objective":[132],"and,":[133,182],"therefore,":[134],"appropriate":[136],"association":[137],"users":[140,179],"required":[145],"improve":[147],"overall":[149],"system":[150],"signal-to-noise":[151],"ratio.":[152],"Under":[153],"stringent":[155],"bandwidth,":[157],"proposed":[159],"joint":[160],"i)":[165],"significant":[166],"5%":[167],"outage":[168],"data":[169],"rate":[170],"increase":[171],"ii)":[172],"near":[173],"uniform":[174],"distribution":[175],"served":[178],"per":[180],"hence,":[183],"an":[184],"increased":[185],"iii)":[188],"fast":[189],"convergence":[190],"algorithm":[193],"within":[194],"few":[196],"iterations.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":23},{"year":2023,"cited_by_count":22},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":6}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}
