{"id":"https://openalex.org/W4406267628","doi":"https://doi.org/10.1109/vtc2024-fall63153.2024.10758053","title":"Joint Optimization of Computing and Routing in LEO Satellite Constellations with Distributed Deep Reinforcement Learning","display_name":"Joint Optimization of Computing and Routing in LEO Satellite Constellations with Distributed Deep Reinforcement Learning","publication_year":2024,"publication_date":"2024-10-07","ids":{"openalex":"https://openalex.org/W4406267628","doi":"https://doi.org/10.1109/vtc2024-fall63153.2024.10758053"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2024-fall63153.2024.10758053","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2024-fall63153.2024.10758053","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall)","raw_type":"proceedings-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/A5061226836","display_name":"Shaohua Xia","orcid":"https://orcid.org/0009-0008-8835-1177"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaohua Xia","raw_affiliation_strings":["Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052677758","display_name":"Jiangtao Luo","orcid":"https://orcid.org/0000-0002-9160-3047"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiangtao Luo","raw_affiliation_strings":["Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016656803","display_name":"Yongyi Ran","orcid":"https://orcid.org/0000-0002-3200-1409"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongyi Ran","raw_affiliation_strings":["Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing University of Posts and Telecommunications,School of Communication and Information Engineering,Chongqing,China","institution_ids":["https://openalex.org/I10535382"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.062,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.95306414,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9994999766349792,"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":0.9994999766349792,"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/T13553","display_name":"Age of Information Optimization","score":0.9894999861717224,"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/T11701","display_name":"Space Satellite Systems and Control","score":0.9677000045776367,"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/reinforcement-learning","display_name":"Reinforcement learning","score":0.7556137442588806},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7239964008331299},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.6899086236953735},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6426948308944702},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.5812793970108032},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.5678586959838867},{"id":"https://openalex.org/keywords/satellite-constellation","display_name":"Satellite constellation","score":0.5089907646179199},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.49279382824897766},{"id":"https://openalex.org/keywords/satellite-broadcasting","display_name":"Satellite broadcasting","score":0.4151373505592346},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4086277186870575},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38357725739479065},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.33023619651794434},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12129446864128113},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.1092829704284668}],"concepts":[{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.7556137442588806},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7239964008331299},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6899086236953735},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6426948308944702},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.5812793970108032},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.5678586959838867},{"id":"https://openalex.org/C2779784338","wikidata":"https://www.wikidata.org/wiki/Q967145","display_name":"Satellite constellation","level":3,"score":0.5089907646179199},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.49279382824897766},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.4151373505592346},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4086277186870575},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38357725739479065},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.33023619651794434},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12129446864128113},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.1092829704284668},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2024-fall63153.2024.10758053","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2024-fall63153.2024.10758053","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"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":0,"referenced_works":[],"related_works":["https://openalex.org/W2385787340","https://openalex.org/W2394459062","https://openalex.org/W2392670398","https://openalex.org/W4221033466","https://openalex.org/W4224313018","https://openalex.org/W2355913771","https://openalex.org/W2560673277","https://openalex.org/W4225291832","https://openalex.org/W3209202847","https://openalex.org/W2062350146"],"abstract_inverted_index":{"Earth":[0],"observation":[1],"satellites":[2,74],"in":[3],"low":[4],"earth":[5],"orbit":[6],"(LEO)":[7],"collect":[8],"a":[9,84,119,147],"large":[10],"amount":[11],"of":[12,56,62,70,110,152,174],"image":[13],"data":[14,25,44,72,79,175],"daily,":[15],"while":[16,106],"space-to-ground":[17],"links":[18],"have":[19],"become":[20],"the":[21,29,53,60,68,77,108,114,158,184,188],"major":[22],"bottleneck":[23],"for":[24,149],"transmission":[26,45,93,176],"due":[27],"to":[28,41,49,75,91,102,136,161,196],"limited":[30],"bandwidth.":[31],"Existing":[32],"approaches":[33],"focus":[34],"on":[35,73,128],"exploring":[36],"more":[37],"efficient":[38],"routing":[39],"strategies":[40],"achieve":[42,137],"better":[43],"but":[46],"still":[47],"struggle":[48],"keep":[50],"pace":[51],"with":[52],"surging":[54],"volume":[55],"observed":[57],"data.":[58],"However,":[59],"advancement":[61],"onboard":[63],"computing":[64,98],"power":[65],"has":[66],"opened":[67],"possibility":[69],"processing":[71],"reduce":[76],"transmitted":[78],"volume.":[80],"This":[81],"paper":[82],"proposes":[83],"distributed":[85],"deep":[86,131],"reinforcement":[87],"learning":[88],"(DRL)":[89],"algorithm":[90,126,186],"improve":[92],"efficiency":[94],"by":[95],"jointly":[96],"optimizing":[97],"and":[99,142],"routing.":[100],"Aiming":[101],"minimize":[103],"task":[104,193],"latency":[105,190],"considering":[107],"limitations":[109],"satellite":[111],"storage":[112],"resources,":[113],"problem":[115],"is":[116,134,155],"modeled":[117],"as":[118],"partially":[120],"observable":[121],"Markov":[122],"process":[123],"(POMDP).":[124],"An":[125],"based":[127],"dueling":[129],"double":[130],"Q-Network":[132],"(Dueling-DDQN)":[133],"proposed":[135,185],"dynamic":[138,150],"decision-making":[139],"utilizing":[140],"local":[141],"neighboring":[143],"resource":[144],"states.":[145],"Furthermore,":[146],"method":[148],"optimization":[151,173],"backhaul":[153],"destinations":[154],"proposed,":[156],"using":[157],"pre-trained":[159],"Q-network":[160],"estimate":[162],"action":[163],"values":[164],"across":[165,191],"multiple":[166],"candidate":[167],"destination":[168],"satellites,":[169],"thus":[170],"enabling":[171],"further":[172],"without":[177],"additional":[178],"training.":[179],"Simulation":[180],"results":[181],"indicate":[182],"that":[183],"achieves":[187],"lowest":[189],"various":[192],"loads":[194],"compared":[195],"baseline":[197],"methods.":[198]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}