{"id":"https://openalex.org/W4226116859","doi":"https://doi.org/10.1109/twc.2022.3168538","title":"Federated Learning Over Multihop Wireless Networks With In-Network Aggregation","display_name":"Federated Learning Over Multihop Wireless Networks With In-Network Aggregation","publication_year":2022,"publication_date":"2022-04-26","ids":{"openalex":"https://openalex.org/W4226116859","doi":"https://doi.org/10.1109/twc.2022.3168538"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2022.3168538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3168538","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless 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/A5083484070","display_name":"Xianhao Chen","orcid":"https://orcid.org/0000-0002-4295-940X"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xianhao Chen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018095833","display_name":"Guangyu Zhu","orcid":"https://orcid.org/0009-0000-1772-9234"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guangyu Zhu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047030075","display_name":"Yiqin Deng","orcid":"https://orcid.org/0000-0003-4231-6954"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiqin Deng","raw_affiliation_strings":["School of Computer Science and Engineering, Central South University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Central South University, Changsha, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016290340","display_name":"Yuguang Fang","orcid":"https://orcid.org/0000-0002-1079-3871"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuguang Fang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA","institution_ids":["https://openalex.org/I33213144"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5083484070"],"corresponding_institution_ids":["https://openalex.org/I33213144"],"apc_list":null,"apc_paid":null,"fwci":6.8027,"has_fulltext":false,"cited_by_count":51,"citation_normalized_percentile":{"value":0.97254869,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"21","issue":"6","first_page":"4622","last_page":"4634"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9846000075340271,"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":0.982200026512146,"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/computer-science","display_name":"Computer science","score":0.8549692034721375},{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.6479955315589905},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6067469716072083},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5338422060012817},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.5066469311714172},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4861264228820801},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.47008824348449707},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.43261459469795227},{"id":"https://openalex.org/keywords/data-aggregator","display_name":"Data aggregator","score":0.4160043001174927},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.2956944704055786},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.15681755542755127},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12879464030265808},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08558166027069092}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8549692034721375},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.6479955315589905},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6067469716072083},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5338422060012817},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.5066469311714172},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4861264228820801},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.47008824348449707},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.43261459469795227},{"id":"https://openalex.org/C82578977","wikidata":"https://www.wikidata.org/wiki/Q16773055","display_name":"Data aggregator","level":3,"score":0.4160043001174927},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.2956944704055786},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.15681755542755127},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12879464030265808},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08558166027069092},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2022.3168538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3168538","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G5860315005","display_name":null,"funder_award_id":"CNS-2106589","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6886402346","display_name":null,"funder_award_id":"IIS-1722791","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1501644705","https://openalex.org/W1971640194","https://openalex.org/W2134969384","https://openalex.org/W2155652863","https://openalex.org/W2157338470","https://openalex.org/W2171793007","https://openalex.org/W2501770904","https://openalex.org/W2592583014","https://openalex.org/W2798720628","https://openalex.org/W2902426498","https://openalex.org/W2963807566","https://openalex.org/W2963936122","https://openalex.org/W2969519626","https://openalex.org/W2982322683","https://openalex.org/W2985230321","https://openalex.org/W2989743749","https://openalex.org/W2999074226","https://openalex.org/W3015613093","https://openalex.org/W3015636663","https://openalex.org/W3037582816","https://openalex.org/W3045638580","https://openalex.org/W3047140762","https://openalex.org/W3090615085","https://openalex.org/W3094368349","https://openalex.org/W3105122387","https://openalex.org/W3109847748","https://openalex.org/W3110962653","https://openalex.org/W3119842887","https://openalex.org/W3193804826","https://openalex.org/W3215230729","https://openalex.org/W4206733086","https://openalex.org/W4253935083","https://openalex.org/W6728757088","https://openalex.org/W6752191696","https://openalex.org/W6765541894"],"related_works":["https://openalex.org/W2595172197","https://openalex.org/W2084856301","https://openalex.org/W2127970246","https://openalex.org/W2885125400","https://openalex.org/W1989889224","https://openalex.org/W4382618745","https://openalex.org/W1973775000","https://openalex.org/W2748922771","https://openalex.org/W1987128138","https://openalex.org/W2743976221"],"abstract_inverted_index":{"Communication":[0],"limitation":[1],"at":[2,30,75],"the":[3,31,68,96,99,106,138,168,171,175,178,183],"edge":[4],"is":[5,140],"widely":[6],"recognized":[7],"as":[8,103],"a":[9,20,82,141,150,157],"major":[10],"bottleneck":[11],"for":[12],"federated":[13],"learning":[14,40],"(FL).":[15],"Multi-hop":[16],"wireless":[17,48,61],"networking":[18],"provides":[19],"cost-effective":[21],"solution":[22,172],"to":[23,98,104,161],"enhance":[24],"service":[25],"coverage":[26],"and":[27,37,72,78,110,134,155,174],"spectrum":[28,135],"efficiency":[29],"edge,":[32],"which":[33],"could":[34],"facilitate":[35],"large-scale":[36],"efficient":[38],"machine":[39],"(ML)":[41],"model":[42,92,121,131],"aggregation.":[43,187],"However,":[44],"FL":[45,59],"over":[46,60,182],"multi-hop":[47],"networks":[49,63],"has":[50],"rarely":[51],"been":[52],"investigated.":[53],"In":[54],"this":[55],"paper,":[56],"we":[57,123,146],"optimize":[58],"mesh":[62,76],"by":[64,128],"taking":[65],"into":[66,149],"account":[67],"heterogeneity":[69],"in":[70],"communication":[71,117],"computing":[73],"resources":[74],"routers":[77],"clients.":[79],"We":[80],"present":[81],"framework":[83],"that":[84],"each":[85],"intermediate":[86],"router":[87],"performs":[88],"<italic":[89],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[90],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">in-network</i>":[91],"aggregation":[93,180],"before":[94],"sending":[95],"data":[97,108],"next":[100],"hop,":[101],"so":[102],"reduce":[105],"outgoing":[107],"traffic":[109],"hence":[111],"aggregate":[112],"more":[113],"models":[114],"under":[115],"limited":[116],"resources.":[118],"To":[119],"accelerate":[120],"training,":[122],"formulate":[124],"our":[125],"optimization":[126],"problem":[127,139],"jointly":[129],"considering":[130],"aggregation,":[132],"routing,":[133],"allocation.":[136],"Although":[137],"non-convex":[142],"mixed-integer":[143,151],"nonlinear":[144],"programming,":[145],"transform":[147],"it":[148,163],"linear":[152],"programming":[153],"(MILP),":[154],"develop":[156],"coarse-grained":[158],"fixing":[159],"procedure":[160],"solve":[162],"efficiently.":[164],"Simulation":[165],"results":[166],"demonstrate":[167],"effectiveness":[169],"of":[170,177],"approach,":[173],"superiority":[176],"in-network":[179,186],"scheme":[181],"counterpart":[184],"without":[185]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":18},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":4}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}