{"id":"https://openalex.org/W4409581082","doi":"https://doi.org/10.1109/tcomm.2025.3562521","title":"Model-Based Neural Collaboration Framework for Resource-Efficient Downlink Beamforming in Cell-Free Massive MIMO Systems","display_name":"Model-Based Neural Collaboration Framework for Resource-Efficient Downlink Beamforming in Cell-Free Massive MIMO Systems","publication_year":2025,"publication_date":"2025-04-18","ids":{"openalex":"https://openalex.org/W4409581082","doi":"https://doi.org/10.1109/tcomm.2025.3562521"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3562521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3562521","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/A5086838046","display_name":"Daesung Yu","orcid":"https://orcid.org/0009-0002-5534-5527"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Daesung Yu","raw_affiliation_strings":["5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0009-0002-5534-5527","affiliations":[{"raw_affiliation_string":"5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028862760","display_name":"Mahdi Boloursaz Mashhadi","orcid":"https://orcid.org/0000-0001-9948-9165"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mahdi Boloursaz Mashhadi","raw_affiliation_strings":["5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0001-9948-9165","affiliations":[{"raw_affiliation_string":"5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032549075","display_name":"Rahim Tafazolli","orcid":"https://orcid.org/0000-0002-6062-8639"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rahim Tafazolli","raw_affiliation_strings":["5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0002-6062-8639","affiliations":[{"raw_affiliation_string":"5G/6G Innovation Centre (5G/6GIC), Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I28290843"],"apc_list":null,"apc_paid":null,"fwci":0.4626,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61739054,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"73","issue":"10","first_page":"8980","last_page":"8995"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9976999759674072,"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":0.9976999759674072,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9973999857902527,"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/T10069","display_name":"Antenna Design and Analysis","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/mimo","display_name":"MIMO","score":0.7769238948822021},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7084994316101074},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7015295624732971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6099505424499512},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.43323665857315063},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3427715301513672},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.3210445046424866},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31642329692840576},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2896078824996948}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7769238948822021},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7084994316101074},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7015295624732971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6099505424499512},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.43323665857315063},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3427715301513672},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.3210445046424866},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31642329692840576},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2896078824996948}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3562521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3562521","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":[{"score":0.4699999988079071,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320322183","display_name":"Huawei Technologies","ror":"https://ror.org/00cmhce21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1974661392","https://openalex.org/W2050815608","https://openalex.org/W2072599023","https://openalex.org/W2101727634","https://openalex.org/W2137983211","https://openalex.org/W2164536085","https://openalex.org/W2286275639","https://openalex.org/W2579498866","https://openalex.org/W2610350904","https://openalex.org/W2919102320","https://openalex.org/W2962883294","https://openalex.org/W2964042011","https://openalex.org/W2964181991","https://openalex.org/W2971415724","https://openalex.org/W2974170798","https://openalex.org/W3128549410","https://openalex.org/W3142914649","https://openalex.org/W3152787073","https://openalex.org/W3182896779","https://openalex.org/W3196709551","https://openalex.org/W3207184289","https://openalex.org/W3209298344","https://openalex.org/W3211897265","https://openalex.org/W3212053965","https://openalex.org/W3216004325","https://openalex.org/W4206633299","https://openalex.org/W4287889135","https://openalex.org/W4309969859","https://openalex.org/W4319338751","https://openalex.org/W4323022448","https://openalex.org/W4323065908","https://openalex.org/W4362653504","https://openalex.org/W4381327854","https://openalex.org/W4381748119","https://openalex.org/W4383503970","https://openalex.org/W4387350872","https://openalex.org/W4387681958","https://openalex.org/W4389169650","https://openalex.org/W4390187265","https://openalex.org/W4390731689","https://openalex.org/W4401357292","https://openalex.org/W4401879344","https://openalex.org/W4402156850"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W3193749313"],"abstract_inverted_index":{"To":[0],"enable":[1],"improved":[2],"spectral":[3],"efficiency":[4],"and":[5,30,67,77,118,165],"uniform":[6],"service":[7],"of":[8,130,185],"cell-free":[9],"massive":[10],"multiple-input":[11],"multiple-output":[12],"(CF-mMIMO)":[13],"systems,":[14],"challenges":[15],"such":[16],"as":[17],"excessive":[18],"communication":[19],"overheads":[20,125],"for":[21,34,108,114,153,170],"gathering":[22],"global":[23],"CSI":[24,164],"at":[25,189],"the":[26,123,128,166,186],"central":[27],"processor":[28],"(CP)":[29],"high":[31],"computational":[32,148],"complexity":[33],"centralized":[35],"interference":[36],"management":[37],"should":[38],"be":[39,144],"addressed.":[40],"Deep":[41],"learning":[42],"(DL)-based":[43],"decentralized":[44],"optimization":[45],"approaches":[46],"have":[47],"been":[48],"proposed":[49,98],"to":[50,71,143],"tackle":[51],"these":[52,138],"challenges.":[53],"However,":[54],"conventional":[55],"black-box":[56],"deep":[57],"neural":[58,86,115,119],"network":[59],"(DNN)-based":[60],"fronthaul":[61,124,167,192],"coordination":[62],"methods":[63],"require":[64],"large":[65],"DNNs":[66],"are":[68,141],"less":[69],"adaptable":[70],"changes":[72],"in":[73],"wireless":[74],"channel":[75],"statistics":[76],"environments.":[78],"In":[79],"this":[80],"paper,":[81],"we":[82],"develop":[83],"a":[84,175],"model-based":[85,136],"collaboration":[87],"(NC)":[88],"framework,":[89],"which":[90],"leverages":[91],"DNN-assisted":[92],"signal":[93],"processing":[94],"built":[95],"upon":[96],"our":[97,135],"low-complexity":[99],"distributed":[100,176],"weighted":[101],"minimum":[102],"mean":[103],"squared":[104],"error":[105],"(L-D-WMMSE)":[106],"algorithm,":[107],"downlink":[109,171],"CF-mMIMO":[110,187],"beamforming.":[111,172],"DNN":[112,139,154,178],"components":[113,140],"initialization":[116],"(NI)":[117],"parameterization":[120],"(NP)":[121],"reduce":[122],"while":[126],"improving":[127],"sum-rate":[129],"user":[131],"equipments":[132],"(UEs).":[133],"Through":[134],"approach,":[137],"designed":[142],"compact,":[145],"thereby":[146],"reducing":[147],"complexity.":[149],"We":[150],"derive":[151],"gradients":[152],"updates":[155],"that":[156,180],"each":[157],"AP":[158],"can":[159],"compute":[160],"using":[161],"its":[162],"local":[163],"messages":[168],"exchanged":[169],"This":[173],"enables":[174],"online":[177],"adaptation":[179],"runs":[181],"during":[182],"normal":[183],"operation":[184],"system":[188],"zero":[190],"additional":[191],"overheads.":[193]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
