{"id":"https://openalex.org/W4385820027","doi":"https://doi.org/10.1109/tmc.2023.3304988","title":"FedLEO: An Offloading-Assisted Decentralized Federated Learning Framework for Low Earth Orbit Satellite Networks","display_name":"FedLEO: An Offloading-Assisted Decentralized Federated Learning Framework for Low Earth Orbit Satellite Networks","publication_year":2023,"publication_date":"2023-08-14","ids":{"openalex":"https://openalex.org/W4385820027","doi":"https://doi.org/10.1109/tmc.2023.3304988"},"language":"en","primary_location":{"id":"doi:10.1109/tmc.2023.3304988","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2023.3304988","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer 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 Mobile Computing","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/A5074312801","display_name":"Zhiwei Zhai","orcid":"https://orcid.org/0000-0002-8624-1715"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiwei Zhai","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-8624-1715","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023787839","display_name":"Qiong Wu","orcid":"https://orcid.org/0000-0002-2156-4433"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiong Wu","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-2156-4433","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053629236","display_name":"Shuai Yu","orcid":"https://orcid.org/0000-0001-6822-3145"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Yu","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-6822-3145","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100448625","display_name":"Rui Li","orcid":"https://orcid.org/0000-0003-2281-6062"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Li","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2281-6062","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062308717","display_name":"Fei Hu Zhang","orcid":"https://orcid.org/0000-0003-4579-6797"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fei Zhang","raw_affiliation_strings":["Unmanned Systems Research Center, National Institute of Defense Technology Innovation, Academy of Military Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-4579-6797","affiliations":[{"raw_affiliation_string":"Unmanned Systems Research Center, National Institute of Defense Technology Innovation, Academy of Military Sciences, Beijing, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100385692","display_name":"Xu Chen","orcid":"https://orcid.org/0000-0001-9943-6020"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Chen","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-9943-6020","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":56.0692,"has_fulltext":false,"cited_by_count":85,"citation_normalized_percentile":{"value":0.99897071,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"23","issue":"5","first_page":"5260","last_page":"5279"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9685999751091003,"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":0.9685999751091003,"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/computer-science","display_name":"Computer science","score":0.8438324332237244},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.669766366481781},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.578502357006073},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4971618950366974},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.49271276593208313},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.47366318106651306},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.41633865237236023},{"id":"https://openalex.org/keywords/satellite-constellation","display_name":"Satellite constellation","score":0.4100257158279419},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4024563431739807}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8438324332237244},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.669766366481781},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.578502357006073},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4971618950366974},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.49271276593208313},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.47366318106651306},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.41633865237236023},{"id":"https://openalex.org/C2779784338","wikidata":"https://www.wikidata.org/wiki/Q967145","display_name":"Satellite constellation","level":3,"score":0.4100257158279419},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4024563431739807},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmc.2023.3304988","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2023.3304988","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer 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 Mobile Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3583843466","display_name":"\u9762\u5411\u79fb\u52a8\u5927\u6570\u636e\u5e94\u7528\u7684\u591a\u5c42\u6b21\u878d\u5408\u9ad8\u6548\u8fb9\u7f18\u8ba1\u7b97\u7814\u7a76","funder_award_id":"61972432","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G645405385","display_name":null,"funder_award_id":"U20A20159","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6482157743","display_name":null,"funder_award_id":"2021B151520008","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W182605591","https://openalex.org/W2109495845","https://openalex.org/W2112796928","https://openalex.org/W2116175219","https://openalex.org/W2525431032","https://openalex.org/W2571488926","https://openalex.org/W2594560857","https://openalex.org/W2606981059","https://openalex.org/W2804753977","https://openalex.org/W2807006176","https://openalex.org/W2921434559","https://openalex.org/W3008490107","https://openalex.org/W3011729304","https://openalex.org/W3012002440","https://openalex.org/W3013626674","https://openalex.org/W3021654819","https://openalex.org/W3024145172","https://openalex.org/W3033503930","https://openalex.org/W3080934299","https://openalex.org/W3091635927","https://openalex.org/W3091852275","https://openalex.org/W3100733145","https://openalex.org/W3115942943","https://openalex.org/W3118608800","https://openalex.org/W3134807487","https://openalex.org/W3135328206","https://openalex.org/W3136022984","https://openalex.org/W3175528077","https://openalex.org/W3183931182","https://openalex.org/W3188396886","https://openalex.org/W3194988969","https://openalex.org/W3196463200","https://openalex.org/W3197055488","https://openalex.org/W3210103168","https://openalex.org/W3210867668","https://openalex.org/W3213146647","https://openalex.org/W3217299421","https://openalex.org/W4221148896","https://openalex.org/W4250482878","https://openalex.org/W4280586927","https://openalex.org/W4297911774","https://openalex.org/W4300427724","https://openalex.org/W4312070818","https://openalex.org/W4312313611","https://openalex.org/W4313043980","https://openalex.org/W4318147387","https://openalex.org/W4321636815","https://openalex.org/W6607432528","https://openalex.org/W6728757088","https://openalex.org/W6730398498","https://openalex.org/W6752029299","https://openalex.org/W6759238902","https://openalex.org/W6760214840","https://openalex.org/W6781318954","https://openalex.org/W6787972765","https://openalex.org/W6810823101"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2904599916","https://openalex.org/W2123943862","https://openalex.org/W2904846783","https://openalex.org/W2376022652","https://openalex.org/W4390398432"],"abstract_inverted_index":{"Low":[0],"Earth":[1,7,19],"orbit":[2],"(LEO)":[3],"satellites":[4,41,187],"enable":[5],"complex":[6],"observation":[8],"tasks":[9],"(e.g.,remote":[10],"sensing":[11],"and":[12,21,33,146,162,201,215,221,264],"cooperative":[13],"monitoring)":[14],"by":[15,73,258,270],"leveraging":[16],"large-scale":[17],"satellite-generated":[18],"imageries":[20,46],"state-of-the-art":[22],"machine":[23],"learning":[24,61],"(ML)":[25],"techniques.":[26],"However,":[27],"due":[28,96],"to":[29,42,47,63,97,121,181,212,233,260,272],"restricted":[30],"downlink":[31],"bandwidth":[32,148],"spotty":[34],"connectivity,":[35],"it":[36],"is":[37,89],"infeasible":[38],"for":[39,50,84,91,174,188],"the":[40,45,65,98,112,117,144,151,159,164,183,219,229,234,239,250,255,266],"transmit":[43],"all":[44],"ground":[48],"stations":[49],"ML":[51],"model":[52,75,85,130,268],"training.":[53],"To":[54,106,157],"address":[55,163],"this":[56],"issue,":[57],"we":[58,110,167,194],"use":[59],"federated":[60],"(FL)":[62],"mitigate":[64,158],"significant":[66],"overhead":[67],"of":[68,100,116,150,238],"raw":[69],"data":[70],"transmission":[71],"only":[72],"enabling":[74],"parameter":[76,86],"exchange.":[77],"Traditional":[78],"FL":[79,125,176],"requires":[80],"a":[81,102,123,137,170,196,202],"central":[82,104,138,152],"server":[83,153],"aggregation,":[87],"which":[88],"impractical":[90],"distributed":[92],"LEO":[93,118,133,178],"satellite":[94,119,134,179],"constellation":[95,120],"difficulty":[99],"identifying":[101],"suitable":[103],"satellite.":[105],"tackle":[107],"such":[108],"challenge,":[109],"take":[111],"unique":[113],"topological":[114],"characteristics":[115],"design":[122],"decentralized":[124,175],"framework":[126,141,173,231,252],"that":[127,228,249],"enables":[128],"efficient":[129],"aggregation":[131],"in":[132,154,177,210],"networks":[135,180],"without":[136],"server.":[139],"The":[140],"can":[142,253],"avoid":[143],"reliability":[145],"communication":[147,222],"problems":[149],"centralized":[155],"FL.":[156],"straggler":[160],"effect":[161],"statistical":[165],"heterogeneity,":[166],"then":[168],"propose":[169],"novel":[171],"offloading":[172,199,206],"aid":[182],"collaboration":[184],"among":[185],"multiple":[186],"resource":[189],"sharing.":[190],"Based":[191],"on":[192,245,262],"it,":[193],"derive":[195],"satellite-centric":[197],"threshold-based":[198],"strategy":[200],"system-wide":[203],"greedy-based":[204],"iterative":[205],"decision":[207],"making":[208],"algorithm,":[209],"order":[211],"achieve":[213],"delay":[214,257],"accuracy":[216,269],"optimization":[217],"under":[218],"computation":[220],"power":[223],"constraints.":[224],"Theoretical":[225],"analysis":[226],"demonstrates":[227],"proposed":[230,251],"contributes":[232],"high":[235],"training":[236],"performance":[237],"global":[240,267],"model.":[241],"Extensive":[242],"experiments":[243],"based":[244],"realistic":[246],"datasets":[247],"show":[248],"reduce":[254],"system":[256],"up":[259,271],"41%":[261],"average":[263],"improve":[265],"9.39%":[273],"compared":[274],"with":[275],"benchmark":[276],"policies.":[277]},"counts_by_year":[{"year":2026,"cited_by_count":19},{"year":2025,"cited_by_count":43},{"year":2024,"cited_by_count":22},{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-16T07:02:28.622633","created_date":"2025-10-10T00:00:00"}