{"id":"https://openalex.org/W4412610080","doi":"https://doi.org/10.1109/twc.2025.3588912","title":"Service Exchange Based Symbiotic Space-Terrestrial Integrated Network: A Multi-Objective Optimization Perspective","display_name":"Service Exchange Based Symbiotic Space-Terrestrial Integrated Network: A Multi-Objective Optimization Perspective","publication_year":2025,"publication_date":"2025-07-23","ids":{"openalex":"https://openalex.org/W4412610080","doi":"https://doi.org/10.1109/twc.2025.3588912"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3588912","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3588912","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/A5103261709","display_name":"Shizhao He","orcid":"https://orcid.org/0009-0005-3396-5890"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shizhao He","raw_affiliation_strings":["National Key Laboratory of Wireless Communications and the Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","National Key Laboratory of Wireless Communications, and the Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0005-3396-5890","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Wireless Communications and the Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Wireless Communications, and the Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079933322","display_name":"Jungang Ge","orcid":"https://orcid.org/0000-0003-0380-447X"},"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"]},{"id":"https://openalex.org/I4387153335","display_name":"China Telecom","ror":"https://ror.org/05p67dv18","country_code":null,"type":"company","lineage":["https://openalex.org/I4387153335"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jungang Ge","raw_affiliation_strings":["Department of Mobile Communications and Terminal Research, China Telecom Research Institute, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-0380-447X","affiliations":[{"raw_affiliation_string":"Department of Mobile Communications and Terminal Research, China Telecom Research Institute, Guangzhou, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4387153335"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007832415","display_name":"Ying\u2010Chang Liang","orcid":"https://orcid.org/0000-0003-2671-5090"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying-Chang Liang","raw_affiliation_strings":["CINC, UESTC, Chengdu, China","Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-2671-5090","affiliations":[{"raw_affiliation_string":"CINC, UESTC, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100727959","display_name":"Jiacheng Wang","orcid":"https://orcid.org/0000-0003-1252-8761"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jiacheng Wang","raw_affiliation_strings":["College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Jurong West, Singapore","College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Singapore"],"raw_orcid":"https://orcid.org/0000-0003-1252-8761","affiliations":[{"raw_affiliation_string":"College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085514719","display_name":"Geng Sun","orcid":"https://orcid.org/0000-0001-7802-4908"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]},{"id":"https://openalex.org/I4210134929","display_name":"Jilin Province Science and Technology Department","ror":"https://ror.org/049x38272","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210134929"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Geng Sun","raw_affiliation_strings":["College of Computer Science and Technology, Jilin University, Changchun, China"],"raw_orcid":"https://orcid.org/0000-0001-7802-4908","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I4210134929","https://openalex.org/I194450716"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091266202","display_name":"Dusit Niyato","orcid":"https://orcid.org/0000-0002-7442-7416"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Dusit Niyato","raw_affiliation_strings":["College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Jurong West, Singapore","College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Singapore"],"raw_orcid":"https://orcid.org/0000-0002-7442-7416","affiliations":[{"raw_affiliation_string":"College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"College of Computing and Data Science (CCDS), Nanyang Technological University (NTU), Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.7251,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.96036226,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"25","issue":null,"first_page":"1094","last_page":"1108"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9947999715805054,"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":0.9947999715805054,"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":0.6159745454788208},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.5705154538154602},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.455628365278244},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.43562576174736023},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3547678589820862},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20170989632606506},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.13379031419754028}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6159745454788208},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.5705154538154602},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.455628365278244},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.43562576174736023},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3547678589820862},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20170989632606506},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.13379031419754028},{"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/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3588912","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3588912","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":[],"awards":[{"id":"https://openalex.org/G4100599404","display_name":null,"funder_award_id":"U24A20210","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4517290006","display_name":null,"funder_award_id":"B20064","funder_id":"https://openalex.org/F4320335785","funder_display_name":"Project 211"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335785","display_name":"Project 211","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W2788350651","https://openalex.org/W2805161269","https://openalex.org/W2901608252","https://openalex.org/W2919170647","https://openalex.org/W2990865112","https://openalex.org/W3015609468","https://openalex.org/W3096252532","https://openalex.org/W3146291710","https://openalex.org/W3169114806","https://openalex.org/W3194988969","https://openalex.org/W4214866647","https://openalex.org/W4285105179","https://openalex.org/W4312695887","https://openalex.org/W4316876954","https://openalex.org/W4384643686","https://openalex.org/W4385191444","https://openalex.org/W4385656679","https://openalex.org/W4386495203","https://openalex.org/W4386825174","https://openalex.org/W4386902907","https://openalex.org/W4389160106","https://openalex.org/W4391791538","https://openalex.org/W4392159276","https://openalex.org/W4392843740","https://openalex.org/W4396817538","https://openalex.org/W4402475161","https://openalex.org/W4402775307","https://openalex.org/W4404562994"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2018871932","https://openalex.org/W2001405890"],"abstract_inverted_index":{"The":[0],"space-terrestrial":[1],"integrated":[2],"network":[3,61,73,85],"(STIN)":[4],"is":[5,21,151],"crucial":[6],"for":[7,179,198],"achieving":[8],"ubiquitous":[9],"connectivity":[10],"in":[11,82],"the":[12,25,59,67,71,83,88,93,115,124,167,172,212],"6G":[13],"era.":[14],"However,":[15],"leveraging":[16],"full":[17],"potential":[18],"of":[19,30,50,92,174],"STIN":[20,45],"challenging":[22],"due":[23],"to":[24,66,136,170,192],"distinct":[26],"characteristics":[27],"and":[28,86,110,127,209],"objectives":[29,49],"constituent":[31],"networks.":[32],"Inspired":[33],"by":[34,53],"symbiotic":[35,44,218],"communication":[36,76],"(SC),":[37],"this":[38],"paper":[39],"proposes":[40],"a":[41,98,118,130,155,185,194,217],"service":[42,214],"exchange-based":[43],"system":[46],"that":[47,103,204,211],"optimizes":[48,105],"different":[51,180],"networks":[52],"exploiting":[54],"their":[55],"complementary":[56],"features.":[57],"Specifically,":[58],"ground":[60,94],"provides":[62],"task":[63,106],"offloading":[64],"services":[65],"space":[68,72,84],"network,":[69,95],"while":[70],"reciprocates":[74],"with":[75],"services.":[77],"To":[78],"minimize":[79],"computation":[80],"delay":[81],"maximize":[87],"energy":[89],"efficiency":[90],"(EE)":[91],"we":[96,153,183],"formulate":[97],"multi-objective":[99],"optimization":[100,120],"problem":[101,121],"(MOOP)":[102],"jointly":[104],"offloading,":[107],"resource":[108],"allocation,":[109],"beamforming.":[111],"We":[112],"first":[113],"transform":[114],"MOOP":[116],"into":[117],"single-objective":[119],"(SOOP)":[122],"via":[123],"\u03b5-constraint":[125],"method":[126],"then":[128],"develop":[129,184],"successive":[131],"convex":[132],"approximation":[133],"(SCA)":[134],"algorithm":[135,162,191],"characterize":[137],"its":[138],"fundamental":[139],"performance,":[140],"which":[141],"requires":[142],"future":[143],"state":[144],"information.":[145],"As":[146],"obtaining":[147],"such":[148],"non-causal":[149],"information":[150],"hard,":[152],"design":[154],"more":[156],"practical":[157],"multi-agent":[158],"reinforcement":[159],"learning":[160],"(MARL)":[161],"based":[163],"on":[164],"insights":[165],"from":[166],"SCA.":[168],"Besides,":[169],"address":[171],"challenges":[173],"storing":[175],"multiple":[176],"MARL":[177],"policies":[178],"EE-delay":[181],"trade-offs,":[182],"diffusion":[186],"model-based":[187],"behavior":[188],"cloning":[189],"(BC)":[190],"obtain":[193],"general":[195],"policy":[196],"suitable":[197],"varying":[199],"trade-offs.":[200],"Simulation":[201],"results":[202],"show":[203],"proposed":[205,213],"algorithms":[206],"outperform":[207],"benchmarks":[208],"confirm":[210],"exchange":[215],"realizes":[216],"STIN.":[219]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
