{"id":"https://openalex.org/W7124897668","doi":"https://doi.org/10.1109/tccn.2026.3656282","title":"Diameter-Constrained Topology Orchestration for Communication-Convergence Tradeoffs in Decentralized Federated Learning","display_name":"Diameter-Constrained Topology Orchestration for Communication-Convergence Tradeoffs in Decentralized Federated Learning","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7124897668","doi":"https://doi.org/10.1109/tccn.2026.3656282"},"language":null,"primary_location":{"id":"doi:10.1109/tccn.2026.3656282","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2026.3656282","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","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/A5123432748","display_name":"Chenyu Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chenyu Zhang","raw_affiliation_strings":["National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090327058","display_name":"Xinchen Lyu","orcid":"https://orcid.org/0000-0003-0404-4310"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinchen Lyu","raw_affiliation_strings":["National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102922477","display_name":"Zixuan Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zixuan Liang","raw_affiliation_strings":["China Telecom Corporation Ltd., Guangdong Branch, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"China Telecom Corporation Ltd., Guangdong Branch, Guangzhou, China","institution_ids":["https://openalex.org/I4210136246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056079858","display_name":"Chenshan Ren","orcid":null},"institutions":[{"id":"https://openalex.org/I145897649","display_name":"Minzu University of China","ror":"https://ror.org/0044e2g62","country_code":"CN","type":"education","lineage":["https://openalex.org/I145897649"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenshan Ren","raw_affiliation_strings":["Key Laboratory of Ethnic Language Intelligent Analysis and Security Governance of MOE, Minzu University of China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ethnic Language Intelligent Analysis and Security Governance of MOE, Minzu University of China, Beijing, China","institution_ids":["https://openalex.org/I145897649"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123374815","display_name":"Yanzhao Hou","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanzhao Hou","raw_affiliation_strings":["National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5123443200","display_name":"Qimei Cui","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qimei Cui","raw_affiliation_strings":["National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5123432748"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14185838,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"5393","last_page":"5407"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.701200008392334,"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":0.701200008392334,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.08619999885559082,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.03370000049471855,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.6876999735832214},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6316999793052673},{"id":"https://openalex.org/keywords/orchestration","display_name":"Orchestration","score":0.6035000085830688},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5206999778747559},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5194000005722046},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.45820000767707825},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.43619999289512634},{"id":"https://openalex.org/keywords/distributed-learning","display_name":"Distributed learning","score":0.3882000148296356},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.3837999999523163}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8503000140190125},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.7709000110626221},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.6876999735832214},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6316999793052673},{"id":"https://openalex.org/C199168358","wikidata":"https://www.wikidata.org/wiki/Q3367000","display_name":"Orchestration","level":3,"score":0.6035000085830688},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5206999778747559},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5194000005722046},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.45820000767707825},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.43619999289512634},{"id":"https://openalex.org/C2779582901","wikidata":"https://www.wikidata.org/wiki/Q21013010","display_name":"Distributed learning","level":2,"score":0.3882000148296356},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.3837999999523163},{"id":"https://openalex.org/C140532419","wikidata":"https://www.wikidata.org/wiki/Q249748","display_name":"Spectral radius","level":3,"score":0.3643999993801117},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3628999888896942},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.36160001158714294},{"id":"https://openalex.org/C7948225","wikidata":"https://www.wikidata.org/wiki/Q4723998","display_name":"Algebraic connectivity","level":4,"score":0.33160001039505005},{"id":"https://openalex.org/C64331007","wikidata":"https://www.wikidata.org/wiki/Q831672","display_name":"Spanning tree","level":2,"score":0.32199999690055847},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.32120001316070557},{"id":"https://openalex.org/C158156997","wikidata":"https://www.wikidata.org/wiki/Q1416645","display_name":"Models of communication","level":2,"score":0.3027999997138977},{"id":"https://openalex.org/C117729477","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Logical topology","level":3,"score":0.2955000102519989},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.29269999265670776},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.28780001401901245},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.26600000262260437},{"id":"https://openalex.org/C130120984","wikidata":"https://www.wikidata.org/wiki/Q2835898","display_name":"Distributed algorithm","level":2,"score":0.26570001244544983},{"id":"https://openalex.org/C138959212","wikidata":"https://www.wikidata.org/wiki/Q1806783","display_name":"Load balancing (electrical power)","level":3,"score":0.2632000148296356},{"id":"https://openalex.org/C88230418","wikidata":"https://www.wikidata.org/wiki/Q131476","display_name":"Graph theory","level":2,"score":0.257099986076355}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tccn.2026.3656282","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2026.3656282","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2094305956","display_name":null,"funder_award_id":"62371059","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8087325236","display_name":null,"funder_award_id":"62301622","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"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":46,"referenced_works":["https://openalex.org/W114517082","https://openalex.org/W147275194","https://openalex.org/W2053788000","https://openalex.org/W2074796812","https://openalex.org/W2077371116","https://openalex.org/W2194775991","https://openalex.org/W2962684017","https://openalex.org/W2962771678","https://openalex.org/W2966086598","https://openalex.org/W3035946839","https://openalex.org/W3038057116","https://openalex.org/W3045638580","https://openalex.org/W3134843574","https://openalex.org/W3155415667","https://openalex.org/W3156310591","https://openalex.org/W3158567365","https://openalex.org/W3161262916","https://openalex.org/W3161976591","https://openalex.org/W3170139470","https://openalex.org/W3203818865","https://openalex.org/W3206236031","https://openalex.org/W4205500752","https://openalex.org/W4224074580","https://openalex.org/W4285234583","https://openalex.org/W4286571684","https://openalex.org/W4312768957","https://openalex.org/W4385080416","https://openalex.org/W4386245173","https://openalex.org/W4386257514","https://openalex.org/W4386766438","https://openalex.org/W4388557279","https://openalex.org/W4391640512","https://openalex.org/W4394951232","https://openalex.org/W4396240126","https://openalex.org/W4399073645","https://openalex.org/W4399168337","https://openalex.org/W4399618140","https://openalex.org/W4400409688","https://openalex.org/W4400644239","https://openalex.org/W4400727422","https://openalex.org/W4405757261","https://openalex.org/W4407128746","https://openalex.org/W4407694023","https://openalex.org/W4408590848","https://openalex.org/W4409190069","https://openalex.org/W4415428103"],"related_works":[],"abstract_inverted_index":{"Decentralized":[0],"federated":[1],"learning":[2,18],"(DFL)":[3],"is":[4],"pivotal":[5],"for":[6,61],"the":[7,39,43,65,68,85,88,92,96,101,104,117,130,139,156,164],"integration":[8],"of":[9,41,67,95],"AI":[10],"and":[11,31,48,91,184],"communication":[12,29,46,69,112,180],"in":[13,144],"6G,":[14],"facilitating":[15],"distributed":[16,56,151],"edge-network":[17],"without":[19],"centralized":[20],"coordination.":[21],"However,":[22],"existing":[23],"DFL":[24,62],"frameworks":[25],"suffer":[26],"from":[27,84],"prohibitive":[28],"overhead":[30],"slow":[32],"convergence,":[33],"with":[34],"a":[35,54,72,122,150],"critical":[36],"issue":[37],"being":[38],"difficulty":[40],"balancing":[42],"tradeoffs":[44],"between":[45,87],"efficiency":[47],"convergence":[49,109,186],"rates.":[50],"This":[51],"paper":[52],"proposes":[53],"novel":[55],"synchronization":[57,118],"topology":[58,89,119],"orchestration":[59],"method":[60,170],"that":[63,154,168],"leverages":[64],"diameter":[66,90,102,131],"graph":[70],"as":[71,121,133],"tunable":[73],"parameter":[74,136],"to":[75,137,174],"optimize":[76],"this":[77],"communication-convergence":[78],"tradeoff.":[79,140],"Our":[80],"key":[81],"insight":[82],"stems":[83],"relationship":[86],"spectral":[93,105],"radius":[94],"consensus":[97],"matrix,":[98],"i.e.,":[99],"constraining":[100],"reduces":[103],"radius,":[106],"thereby":[107],"accelerating":[108,185],"while":[110,178],"minimizing":[111],"costs.":[113],"Specifically,":[114],"we":[115,147],"formulate":[116],"design":[120],"diameter-constrained":[123],"minimum":[124],"spanning":[125],"tree":[126],"(MST)":[127],"problem,":[128],"where":[129],"serves":[132],"an":[134],"adjustable":[135],"balance":[138],"To":[141],"ensure":[142],"robustness":[143],"dynamic":[145],"networks,":[146],"further":[148],"devise":[149],"adaptation":[152],"mechanism":[153],"maintains":[155],"diameterconstrained":[157],"MST":[158],"despite":[159],"node/link":[160],"failures.":[161],"Experiments":[162],"on":[163],"CIFAR-10":[165],"dataset":[166],"demonstrate":[167],"our":[169],"achieves":[171],"accuracy":[172],"comparable":[173],"fully":[175],"connected":[176],"topologies":[177],"reducing":[179],"costs":[181],"by":[182,187],"25%":[183],"28%":[188],"against":[189],"state-of-the-art":[190],"benchmarks.":[191]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-01-21T00:00:00"}