{"id":"https://openalex.org/W4407938065","doi":"https://doi.org/10.1109/tvt.2025.3543898","title":"Joint Optimization of Power Control and LSFD Coefficients for Uplink Cell-Free Massive MIMO in Weak Channel Hardening Environments","display_name":"Joint Optimization of Power Control and LSFD Coefficients for Uplink Cell-Free Massive MIMO in Weak Channel Hardening Environments","publication_year":2025,"publication_date":"2025-02-25","ids":{"openalex":"https://openalex.org/W4407938065","doi":"https://doi.org/10.1109/tvt.2025.3543898"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3543898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3543898","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","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/A5044210493","display_name":"Hyeonsik Yeom","orcid":"https://orcid.org/0009-0005-6913-0342"},"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":true,"raw_author_name":"Hyeonsik Yeom","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0009-0005-6913-0342","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035027237","display_name":"Junguk Park","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Junguk Park","raw_affiliation_strings":["System Design Group, Research and Development Team, Samsung Electronics, Suwon, Gyeonggi, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"System Design Group, Research and Development Team, Samsung Electronics, Suwon, Gyeonggi, South Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022303970","display_name":"Jinho Choi","orcid":"https://orcid.org/0000-0002-4895-6680"},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"The University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jinho Choi","raw_affiliation_strings":["School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, SA, Australia","School of Electrical and Mechanical Engineering, the University of Adelaide, South Australia, Australia"],"raw_orcid":"https://orcid.org/0000-0002-4895-6680","affiliations":[{"raw_affiliation_string":"School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, SA, Australia","institution_ids":["https://openalex.org/I5681781"]},{"raw_affiliation_string":"School of Electrical and Mechanical Engineering, the University of Adelaide, South Australia, Australia","institution_ids":["https://openalex.org/I5681781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064986629","display_name":"Jeongseok Ha","orcid":"https://orcid.org/0000-0003-1262-151X"},"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":"Jeongseok Ha","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-1262-151X","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5044210493"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02513286,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":"7","first_page":"10565","last_page":"10581"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9736999869346619,"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":0.9714000225067139,"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/telecommunications-link","display_name":"Telecommunications link","score":0.742031455039978},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.668261706829071},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5906482338905334},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.5797320008277893},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44077742099761963},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.42642539739608765},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.39283761382102966},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3862743079662323},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3798237442970276},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3083879053592682},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22059699892997742},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21146360039710999},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.18574634194374084},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.13974934816360474}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.742031455039978},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.668261706829071},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5906482338905334},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.5797320008277893},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44077742099761963},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42642539739608765},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.39283761382102966},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3862743079662323},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3798237442970276},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3083879053592682},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22059699892997742},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21146360039710999},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.18574634194374084},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.13974934816360474},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3543898","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3543898","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.47999998927116394,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F2292562827","display_name":"Korea Research Institute for Defense Technology Planning and Advancement","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1969791930","https://openalex.org/W1999833500","https://openalex.org/W2033407996","https://openalex.org/W2084530317","https://openalex.org/W2106929598","https://openalex.org/W2120302973","https://openalex.org/W2129587580","https://openalex.org/W2141682101","https://openalex.org/W2286275639","https://openalex.org/W2511549126","https://openalex.org/W2569939594","https://openalex.org/W2592341259","https://openalex.org/W2593893328","https://openalex.org/W2610350904","https://openalex.org/W2770606349","https://openalex.org/W2802123921","https://openalex.org/W2804290997","https://openalex.org/W2889447817","https://openalex.org/W2919337008","https://openalex.org/W2963726408","https://openalex.org/W2964181991","https://openalex.org/W2964292558","https://openalex.org/W2971415724","https://openalex.org/W2974046131","https://openalex.org/W3001739548","https://openalex.org/W3035475152","https://openalex.org/W3045526577","https://openalex.org/W3098290937","https://openalex.org/W3109058644","https://openalex.org/W3126587450","https://openalex.org/W3128549410","https://openalex.org/W3145211404","https://openalex.org/W3188358066","https://openalex.org/W3199152224","https://openalex.org/W4226000778","https://openalex.org/W4250589301","https://openalex.org/W4312258136","https://openalex.org/W4320712982","https://openalex.org/W4382317677","https://openalex.org/W4388740161","https://openalex.org/W4395064458","https://openalex.org/W4402475333"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2395708164","https://openalex.org/W2115199292","https://openalex.org/W2391952834","https://openalex.org/W2059864367","https://openalex.org/W1601261305","https://openalex.org/W1984551944","https://openalex.org/W2019012533","https://openalex.org/W2166436816","https://openalex.org/W1763182976"],"abstract_inverted_index":{"There":[0],"have":[1],"been":[2,44],"extensive":[3,167],"studies":[4],"on":[5,20,140,189,220],"performance":[6,168,196],"analysis":[7],"and/or":[8],"system":[9],"design":[10,136,187],"for":[11,70,100,134,172,203],"the":[12,21,28,38,48,64,78,82,97,107,118,122,135,148,156,177,186,190,199,204,210,221],"uplink":[13,101],"cell-free":[14],"massive":[15],"multiple-input":[16],"multiple-output":[17],"(CF-mMIMO)":[18],"based":[19,188,219],"Use-and-then-Forget":[22],"(UatF)":[23],"bound.":[24],"The":[25,112,182],"tightness":[26],"of":[27,96,106,109,125,137,155],"UatF":[29,65,83,180,222],"bound":[30,66,90,120,158,192,213,223],"is,":[31],"however,":[32],"ensured":[33],"in":[34,57,102,159,198],"channel":[35,39,49,59,74,110],"environments":[36],"where":[37],"hardening":[40,50],"manifests.":[41],"It":[42],"has":[43],"often":[45],"reported":[46],"that":[47,185,214],"may":[51],"not":[52],"always":[53],"be":[54],"strongly":[55],"observed":[56],"some":[58],"environments.":[60],"In":[61,201],"such":[62],"cases,":[63],"seriously":[67],"underestimates":[68],"rates":[69],"users":[71],"experiencing":[72],"weak":[73],"hardening.":[75,111],"To":[76,146],"address":[77],"issues":[79],"associated":[80],"with":[81,176,209],"bound,":[84],"we":[85,150,207],"develop":[86,152],"a":[87,92,160],"new":[88,211],"lower":[89,212],"offering":[91],"more":[93,161],"accurate":[94],"estimate":[95],"achievable":[98],"rate":[99],"CF-mMIMO":[103,138,173],"networks":[104,139,174],"regardless":[105],"extent":[108],"claim":[113],"is":[114,224],"substantiated":[115],"by":[116],"applying":[117],"proposed":[119,157,178,191],"to":[121,194],"joint":[123],"optimization":[124],"power":[126],"control":[127],"and":[128,170,179],"large-scale":[129],"fading":[130,144],"decoding":[131],"(LSFD)":[132],"coefficients":[133],"spatially":[141],"correlated":[142],"Rician":[143],"channels.":[145],"facilitate":[147],"optimization,":[149],"also":[151],"an":[153,215],"approximation":[154],"computationally":[162],"amenable":[163],"form.":[164],"We":[165],"conduct":[166],"evaluations":[169],"comparisons":[171,183],"designed":[175],"bounds.":[181],"highlight":[184],"leads":[193],"considerable":[195],"improvement":[197],"fairness.":[200],"addition,":[202],"first":[205],"time,":[206],"reveal":[208],"widely":[216],"held":[217],"belief":[218],"incorrect.":[225]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}