{"id":"https://openalex.org/W4416873195","doi":"https://doi.org/10.1109/tccn.2025.3638773","title":"DFedSat: Communication-Efficient and Robust Decentralized Federated Learning for LEO Satellite Constellations","display_name":"DFedSat: Communication-Efficient and Robust Decentralized Federated Learning for LEO Satellite Constellations","publication_year":2025,"publication_date":"2025-12-01","ids":{"openalex":"https://openalex.org/W4416873195","doi":"https://doi.org/10.1109/tccn.2025.3638773"},"language":null,"primary_location":{"id":"doi:10.1109/tccn.2025.3638773","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2025.3638773","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/A5104124640","display_name":"Minjie Yang","orcid":"https://orcid.org/0009-0002-0474-5467"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Minghao Yang","raw_affiliation_strings":["College of Future Information Technology, Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Future Information Technology, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100369412","display_name":"Jingjing Zhang","orcid":"https://orcid.org/0000-0003-1498-4912"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjing Zhang","raw_affiliation_strings":["College of Future Information Technology, Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Future Information Technology, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100399604","display_name":"Lifeng Wang","orcid":"https://orcid.org/0000-0001-7911-3777"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lifeng Wang","raw_affiliation_strings":["College of Future Information Technology, Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Future Information Technology, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050411356","display_name":"Nguyen\u2010Son Vo","orcid":"https://orcid.org/0000-0002-5818-7109"},"institutions":[{"id":"https://openalex.org/I170238339","display_name":"Duy Tan University","ror":"https://ror.org/05ezss144","country_code":"VN","type":"education","lineage":["https://openalex.org/I170238339"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Nguyen-Son Vo","raw_affiliation_strings":["Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam"],"affiliations":[{"raw_affiliation_string":"Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I170238339"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100328094","display_name":"Xin Wang","orcid":"https://orcid.org/0000-0003-2292-3845"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Wang","raw_affiliation_strings":["College of Future Information Technology, Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Future Information Technology, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5104124640"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":5.1063,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.96196409,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"12","issue":null,"first_page":"4972","last_page":"4985"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9307000041007996,"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"}},"topics":[{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9307000041007996,"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"}},{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.012199999764561653,"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"}},{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.01209999993443489,"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/robustness","display_name":"Robustness (evolution)","score":0.6312000155448914},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.6272000074386597},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.4684000015258789},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.46140000224113464},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.42739999294281006},{"id":"https://openalex.org/keywords/resilience","display_name":"Resilience (materials science)","score":0.4140999913215637},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4088999927043915},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.4036000072956085}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8400999903678894},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6312000155448914},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.6272000074386597},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5723000168800354},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.4684000015258789},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.46140000224113464},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42910000681877136},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.42739999294281006},{"id":"https://openalex.org/C2779585090","wikidata":"https://www.wikidata.org/wiki/Q3457762","display_name":"Resilience (materials science)","level":2,"score":0.4140999913215637},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4088999927043915},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.4036000072956085},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.39070001244544983},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.38580000400543213},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.3603000044822693},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35199999809265137},{"id":"https://openalex.org/C16405173","wikidata":"https://www.wikidata.org/wiki/Q192316","display_name":"Geostationary orbit","level":3,"score":0.3068999946117401},{"id":"https://openalex.org/C46686674","wikidata":"https://www.wikidata.org/wiki/Q466303","display_name":"Boosting (machine learning)","level":2,"score":0.2827000021934509},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.2802000045776367},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.2773999869823456},{"id":"https://openalex.org/C20136886","wikidata":"https://www.wikidata.org/wiki/Q749647","display_name":"Interoperability","level":2,"score":0.2761000096797943},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.27070000767707825},{"id":"https://openalex.org/C2779784338","wikidata":"https://www.wikidata.org/wiki/Q967145","display_name":"Satellite constellation","level":3,"score":0.26170000433921814},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25699999928474426},{"id":"https://openalex.org/C61776360","wikidata":"https://www.wikidata.org/wiki/Q5250441","display_name":"Deep space exploration","level":4,"score":0.2565000057220459},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tccn.2025.3638773","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2025.3638773","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/G7526374206","display_name":null,"funder_award_id":"62101134","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W2100533156","https://openalex.org/W2333314805","https://openalex.org/W2471223678","https://openalex.org/W2804753977","https://openalex.org/W2964194231","https://openalex.org/W3013626674","https://openalex.org/W3043746123","https://openalex.org/W3113000416","https://openalex.org/W3140841781","https://openalex.org/W3158567365","https://openalex.org/W3160036772","https://openalex.org/W3168244992","https://openalex.org/W3175528077","https://openalex.org/W3178636644","https://openalex.org/W3197055488","https://openalex.org/W3216338889","https://openalex.org/W3217299421","https://openalex.org/W4312262807","https://openalex.org/W4312313611","https://openalex.org/W4315629713","https://openalex.org/W4318147387","https://openalex.org/W4321636815","https://openalex.org/W4364297006","https://openalex.org/W4364297008","https://openalex.org/W4375929104","https://openalex.org/W4378697062","https://openalex.org/W4384025522","https://openalex.org/W4385820027","https://openalex.org/W4387883786","https://openalex.org/W4388078531","https://openalex.org/W4388426796","https://openalex.org/W4391892499","https://openalex.org/W4392746553","https://openalex.org/W4394934759","https://openalex.org/W4401509152","https://openalex.org/W4402725781"],"related_works":[],"abstract_inverted_index":{"Low":[0],"Earth":[1],"Orbit":[2],"(LEO)":[3],"satellites":[4,28,48,62,80,90],"play":[5],"a":[6,72,121,149],"crucial":[7],"role":[8],"in":[9,22],"the":[10,30,133,156,167,172],"development":[11],"of":[12,158,175],"6G":[13],"mobile":[14],"networks":[15],"and":[16,47,55,63,101,109,143,192],"space-air-ground":[17],"integrated":[18,153],"systems.":[19],"Recent":[20],"advancements":[21],"space":[23],"technology":[24],"have":[25],"empowered":[26],"LEO":[27,129],"with":[29],"capability":[31],"to":[32,58,98,111,154,194],"run":[33],"Artificial":[34],"Intelligence(AI)":[35],"applications.":[36],"However,":[37],"centralized":[38],"approaches,":[39],"where":[40],"ground":[41],"stations":[42],"(GSs)":[43],"act":[44],"as":[45,49],"servers":[46],"clients,":[50],"often":[51],"encounter":[52],"slow":[53],"convergence":[54,169,188],"inefficiencies":[56],"due":[57,97],"intermittent":[59],"connectivity":[60],"between":[61,79],"GSs.":[64],"In":[65],"contrast,":[66],"decentralized":[67,123],"federated":[68,124],"learning":[69,125],"(DFL)":[70],"offers":[71],"promising":[73],"alternative":[74],"by":[75,136],"facilitating":[76],"direct":[77],"communication":[78,190],"(clients)":[81],"via":[82],"inter-satellite":[83],"links":[84],"(ISLs).":[85],"Nevertheless,":[86],"inter-plane":[87,144,159],"ISLs":[88,160],"connecting":[89],"from":[91],"different":[92],"orbital":[93],"planes":[94],"remain":[95],"dynamic":[96],"Doppler":[99],"shifts":[100],"pointing":[102],"limitations.":[103],"This":[104],"could":[105],"impact":[106],"model":[107,145],"propagation":[108],"lead":[110],"slower":[112],"convergence.":[113],"To":[114],"mitigate":[115],"these":[116],"issues,":[117],"we":[118,165],"propose":[119],"DFedSat,":[120],"fully":[122],"framework":[126],"tailored":[127],"for":[128,141,171],"satellites.":[130],"DFedSat":[131],"accelerates":[132],"training":[134],"process":[135],"employing":[137],"two":[138],"adaptive":[139],"mechanisms":[140],"intra-plane":[142],"aggregation,":[146],"respectively.":[147],"Furthermore,":[148],"self-compensation":[150],"mechanism":[151],"is":[152],"enhance":[155],"robustness":[157],"against":[161],"transmission":[162],"failure.":[163],"Additionally,":[164],"derive":[166],"sublinear":[168],"rate":[170],"non-convex":[173],"case":[174],"DFedSat.":[176],"Extensive":[177],"experimental":[178],"results":[179],"demonstrate":[180],"DFedSat\u2019s":[181],"superiority":[182],"over":[183],"other":[184],"DFL":[185],"baselines":[186],"regarding":[187],"rate,":[189],"efficiency,":[191],"resilience":[193],"unreliable":[195],"links.":[196]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-01T00:00:00"}
