{"id":"https://openalex.org/W4408935924","doi":"https://doi.org/10.1109/lwc.2025.3555575","title":"Federated Learning-Aided Dual-Side Channel Estimation in Multi-User Massive MIMO Systems","display_name":"Federated Learning-Aided Dual-Side Channel Estimation in Multi-User Massive MIMO Systems","publication_year":2025,"publication_date":"2025-03-28","ids":{"openalex":"https://openalex.org/W4408935924","doi":"https://doi.org/10.1109/lwc.2025.3555575"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3555575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3555575","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5020530995","display_name":"Fengxia Han","orcid":"https://orcid.org/0000-0001-5021-3686"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengxia Han","raw_affiliation_strings":["School of Computer Science and Technology, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-5021-3686","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100726332","display_name":"Weichao Chen","orcid":"https://orcid.org/0000-0002-7226-7885"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weichao Chen","raw_affiliation_strings":["School of Computer Science and Technology, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-7226-7885","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084056787","display_name":"Yaping Zhu","orcid":"https://orcid.org/0000-0003-3163-3815"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaping Zhu","raw_affiliation_strings":["School of Computer Science and Technology, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-3163-3815","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","School of Electrical and Electronic Engineering, Nanyang Technological University, China"],"raw_orcid":"https://orcid.org/0000-0002-9307-2120","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4626,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61134859,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"14","issue":"7","first_page":"1869","last_page":"1873"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9947999715805054,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9918000102043152,"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/computer-science","display_name":"Computer science","score":0.7334227561950684},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6622474193572998},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.5748013257980347},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5237964391708374},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.43039166927337646},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39006009697914124},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3567125201225281},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3227894604206085},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3202739953994751},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13260579109191895}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7334227561950684},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6622474193572998},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.5748013257980347},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5237964391708374},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.43039166927337646},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39006009697914124},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3567125201225281},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3227894604206085},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3202739953994751},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13260579109191895},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lwc.2025.3555575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3555575","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/217384","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/217384","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2519650345","display_name":null,"funder_award_id":"22ZR1463400","funder_id":"https://openalex.org/F4320309612","funder_display_name":"Natural Science Foundation of Shanghai"},{"id":"https://openalex.org/G4316679026","display_name":null,"funder_award_id":"62401396","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6968160926","display_name":null,"funder_award_id":"62201388","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7208595704","display_name":null,"funder_award_id":"24ZR1467700","funder_id":"https://openalex.org/F4320309612","funder_display_name":"Natural Science Foundation of Shanghai"},{"id":"https://openalex.org/G7984483848","display_name":null,"funder_award_id":"62371342","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320309612","display_name":"Natural Science Foundation of Shanghai","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2508457857","https://openalex.org/W3080694619","https://openalex.org/W3216108359","https://openalex.org/W4285292015","https://openalex.org/W4293193359","https://openalex.org/W4321770460","https://openalex.org/W4327808052","https://openalex.org/W4388505244"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W1500439066","https://openalex.org/W2542194775","https://openalex.org/W2182661536","https://openalex.org/W1987031311","https://openalex.org/W2952912015","https://openalex.org/W1969186191","https://openalex.org/W2107228371","https://openalex.org/W1480258634","https://openalex.org/W2558549271"],"abstract_inverted_index":{"In":[0,22,102],"massive":[1],"multiple-input":[2],"multiple-output":[3],"(MIMO)":[4],"systems,":[5],"attaining":[6],"precise":[7],"channel":[8,92,156],"state":[9],"information":[10],"(CSI)":[11],"tends":[12],"to":[13,70,111,150,176,186],"cause":[14],"significant":[15],"pilot":[16],"overhead":[17,52],"and":[18,53,121,181],"prohibitive":[19],"computational":[20],"complexity.":[21],"light":[23],"of":[24],"this,":[25],"data-driven":[26],"approaches":[27],"have":[28],"been":[29],"developed":[30],"by":[31],"training":[32],"neural":[33],"network":[34],"models":[35,149],"that":[36,167],"recover":[37],"channels":[38],"from":[39,75,146],"received":[40],"signals.":[41],"Since":[42],"the":[43,66,78,82,95,114,117,122,125,130,143,147,161,168,177],"conventional":[44],"centralized":[45],"learning":[46,57],"(CL)":[47],"would":[48],"bring":[49],"substantial":[50],"communication":[51,162],"privacy":[54],"risks,":[55],"federated":[56],"(FL)":[58],"has":[59],"emerged":[60],"as":[61],"a":[62,107],"promising":[63],"alternative,":[64],"allowing":[65],"base":[67],"station":[68],"(BS)":[69],"collect":[71],"only":[72],"model":[73],"parameters":[74,144],"users,":[76],"without":[77],"whole":[79],"dataset.":[80],"However,":[81],"previous":[83],"work":[84],"focus":[85],"solely":[86],"on":[87],"either":[88],"downlink":[89,148],"or":[90],"uplink":[91,155],"estimation,":[93,157],"neglecting":[94],"potential":[96],"interplay":[97],"between":[98],"such":[99],"two":[100],"processes.":[101],"this":[103],"letter,":[104],"we":[105],"design":[106],"consistent":[108],"FL":[109],"framework":[110],"estimate":[112],"both":[113,133],"CSI":[115,123],"at":[116,124,132],"receiver":[118],"side":[119,127],"(CSIR)":[120],"transmitter":[126],"(CSIT).":[128],"Specifically,":[129],"beamformers":[131],"end":[134],"during":[135],"preamble":[136],"phases":[137],"are":[138],"delicately":[139],"designed,":[140],"which":[141],"enables":[142],"trained":[145],"be":[151],"fully":[152],"utilized":[153],"for":[154],"thereby":[158],"further":[159],"reducing":[160],"overhead.":[163],"Simulation":[164],"results":[165],"demonstrates":[166],"proposed":[169],"approach":[170],"achieves":[171],"better":[172],"estimation":[173],"performance":[174],"compared":[175],"existing":[178],"analytical":[179],"methods,":[180],"shows":[182],"pleasurable":[183],"robustness":[184],"adapted":[185],"varying":[187],"environments.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2025-12-21T01:58:51.020947","created_date":"2025-10-10T00:00:00"}