{"id":"https://openalex.org/W7161798191","doi":"https://doi.org/10.1109/twc.2026.3692991","title":"Attention-Based Cooperative Beam Hopping Scheduling via Multi-Agent Communication in NGSO Satellite Networks","display_name":"Attention-Based Cooperative Beam Hopping Scheduling via Multi-Agent Communication in NGSO Satellite Networks","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7161798191","doi":"https://doi.org/10.1109/twc.2026.3692991"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2026.3692991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3692991","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/A5097890388","display_name":"Ruiqing Wen","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruiqing Wen","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0009-9041-6854","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136530166","display_name":"Jin Jin","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Jin","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136598805","display_name":"Zhiyuan Lin","orcid":"https://orcid.org/0000-0002-4239-1308"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyuan Lin","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4239-1308","affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136537456","display_name":"Linling Kuang","orcid":"https://orcid.org/0000-0001-8283-855X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linling Kuang","raw_affiliation_strings":["Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-8283-855X","affiliations":[{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.85679418,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"17709","last_page":"17723"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9549999833106995,"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":0.9549999833106995,"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":0.01080000028014183,"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/T12449","display_name":"Spacecraft Design and Technology","score":0.007000000216066837,"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/scheduling","display_name":"Scheduling (production processes)","score":0.631600022315979},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.5670999884605408},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.41290000081062317},{"id":"https://openalex.org/keywords/frequency-hopping-spread-spectrum","display_name":"Frequency-hopping spread spectrum","score":0.4074000120162964},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.40610000491142273},{"id":"https://openalex.org/keywords/telecommunications-network","display_name":"Telecommunications network","score":0.3165999948978424},{"id":"https://openalex.org/keywords/radio-networks","display_name":"Radio networks","score":0.3052000105381012},{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.3001999855041504}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7340999841690063},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.631600022315979},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6004999876022339},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.5670999884605408},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.41290000081062317},{"id":"https://openalex.org/C122962297","wikidata":"https://www.wikidata.org/wiki/Q1136013","display_name":"Frequency-hopping spread spectrum","level":2,"score":0.4074000120162964},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.40610000491142273},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3203999996185303},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.3165999948978424},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.31220000982284546},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.30790001153945923},{"id":"https://openalex.org/C2989466925","wikidata":"https://www.wikidata.org/wiki/Q1061197","display_name":"Radio networks","level":4,"score":0.3052000105381012},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3009999990463257},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.3001999855041504},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2883000075817108},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.28690001368522644},{"id":"https://openalex.org/C55416958","wikidata":"https://www.wikidata.org/wiki/Q6206757","display_name":"Job shop scheduling","level":3,"score":0.2816999852657318},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.28110000491142273},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.27869999408721924},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.2775999903678894},{"id":"https://openalex.org/C2984822820","wikidata":"https://www.wikidata.org/wiki/Q1123036","display_name":"Processor scheduling","level":3,"score":0.2696000039577484},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.2615000009536743},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.2551000118255615},{"id":"https://openalex.org/C117313154","wikidata":"https://www.wikidata.org/wiki/Q878344","display_name":"Time division multiple access","level":2,"score":0.251800000667572},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2026.3692991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3692991","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/G1048251974","display_name":null,"funder_award_id":"62341109","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"},{"id":"https://openalex.org/F4320330357","display_name":"Tsinghua Initiative Scientific Research Program","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"non-geostationary":[1],"orbit":[2],"(NGSO)":[3],"satellite":[4,45],"systems,":[5],"beam":[6],"hopping":[7],"(BH)":[8],"emerges":[9],"as":[10],"a":[11,65,120,165],"promising":[12],"technique,":[13],"enabling":[14],"satellites":[15,39,128],"to":[16,112,114,129,153],"efficiently":[17],"address":[18],"dynamic":[19],"and":[20,48,55,73],"unevenly":[21],"distributed":[22],"ground":[23],"user":[24,172],"demands":[25],"with":[26,97],"fewer":[27],"beams,":[28],"thereby":[29],"optimizing":[30],"resource":[31],"utilization.":[32],"However,":[33],"the":[34,52,70,84,94,145,177],"orbital":[35],"dynamics":[36],"of":[37,57,179,198],"NGSO":[38],"cause":[40],"continual":[41],"variations":[42],"in":[43,132],"individual":[44],"service":[46],"cells":[47],"inter-satellite":[49,180,184],"coordination,":[50],"challenging":[51],"real-time":[53,109],"performance":[54,192],"generalization":[56],"BH":[58,67,111],"algorithms.":[59],"To":[60],"tackle":[61],"this,":[62],"we":[63,102,175],"propose":[64],"cooperative":[66],"architecture":[68],"leveraging":[69],"attention":[71],"mechanism":[72],"multi-agent":[74,122,157,181],"communication.":[75],"Firstly,":[76],"enhanced":[77],"load":[78],"balancing":[79],"is":[80,125],"achieved":[81],"by":[82],"solving":[83],"satellite-user":[85],"association":[86],"problem":[87],"for":[88,108,206],"greater":[89],"flexibility.":[90],"Secondly,":[91],"building":[92],"upon":[93],"centralized":[95],"training":[96],"decentralized":[98],"execution":[99],"(CTDE)":[100],"paradigm,":[101],"designed":[103],"an":[104],"attention-based":[105],"network":[106],"backbone":[107],"single-satellite":[110],"adapt":[113],"dynamically":[115],"changing":[116],"cell":[117],"sets.":[118],"Moreover,":[119],"periodic":[121],"communication":[123,182],"framework":[124],"proposed,":[126],"allowing":[127],"sustain":[130],"coordination":[131],"evolving":[133],"environments":[134],"through":[135],"information":[136],"exchange":[137],"over":[138],"long-term":[139],"operations.":[140],"Simulation":[141],"results":[142],"show":[143],"that":[144,188],"proposed":[146],"algorithm":[147],"outperforms":[148],"other":[149],"benchmark":[150],"methods.":[151],"Compared":[152],"multi-layer":[154],"perceptron":[155],"(MLP)-based":[156],"deep":[158],"reinforcement":[159],"learning":[160],"(MADRL)":[161],"algorithms,":[162],"it":[163],"yields":[164],"17%":[166],"throughput":[167],"improvement":[168],"under":[169],"equivalent":[170],"average":[171],"delay.":[173],"Furthermore,":[174],"demonstrate":[176],"feasibility":[178],"via":[183],"links":[185],"(ISLs),":[186],"revealing":[187],"this":[189],"enhancement":[190],"improves":[191],"while":[193],"occupying":[194],"less":[195],"than":[196],"0.01%":[197],"ISL":[199],"bandwidth":[200],"per":[201],"message,":[202],"underscoring":[203],"its":[204],"practicality":[205],"real-world":[207],"deployment.":[208]},"counts_by_year":[],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2026-05-21T00:00:00"}