{"id":"https://openalex.org/W4392153145","doi":"https://doi.org/10.1109/globecom54140.2023.10437178","title":"Ultra-Dense LEO Satellite Access Network Slicing: A Deep Reinforcement Learning Approach","display_name":"Ultra-Dense LEO Satellite Access Network Slicing: A Deep Reinforcement Learning Approach","publication_year":2023,"publication_date":"2023-12-04","ids":{"openalex":"https://openalex.org/W4392153145","doi":"https://doi.org/10.1109/globecom54140.2023.10437178"},"language":"en","primary_location":{"id":"doi:10.1109/globecom54140.2023.10437178","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom54140.2023.10437178","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","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/A5019047303","display_name":"Yuru Liu","orcid":"https://orcid.org/0000-0003-4909-7782"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuru Liu","raw_affiliation_strings":["Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023"],"affiliations":[{"raw_affiliation_string":"Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101910087","display_name":"Ting Ma","orcid":"https://orcid.org/0000-0002-1814-7997"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Ma","raw_affiliation_strings":["Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023"],"affiliations":[{"raw_affiliation_string":"Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089886048","display_name":"Zhixuan Tang","orcid":"https://orcid.org/0000-0003-1083-3359"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhixuan Tang","raw_affiliation_strings":["Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023"],"affiliations":[{"raw_affiliation_string":"Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045813288","display_name":"Xiaohan Qin","orcid":"https://orcid.org/0000-0002-5199-8865"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohan Qin","raw_affiliation_strings":["Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023"],"affiliations":[{"raw_affiliation_string":"Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043286765","display_name":"Haibo Zhou","orcid":"https://orcid.org/0000-0002-6549-8917"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haibo Zhou","raw_affiliation_strings":["Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023"],"affiliations":[{"raw_affiliation_string":"Nanjing University,School of Electronic Science and Engineering,Nanjing,China,210023","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100773343","display_name":"Xuemin Shen","orcid":"https://orcid.org/0000-0002-4140-287X"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xuemin Shen","raw_affiliation_strings":["University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Ontario,Canada,N2L 3G1"],"affiliations":[{"raw_affiliation_string":"University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Ontario,Canada,N2L 3G1","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5019047303"],"corresponding_institution_ids":["https://openalex.org/I881766915"],"apc_list":null,"apc_paid":null,"fwci":1.3235,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.8539246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"5043","last_page":"5048"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":1.0,"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":1.0,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9972000122070312,"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"}},{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9958999752998352,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.7517419457435608},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7414491772651672},{"id":"https://openalex.org/keywords/slicing","display_name":"Slicing","score":0.7024903893470764},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6745730638504028},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.4638168215751648},{"id":"https://openalex.org/keywords/satellite-broadcasting","display_name":"Satellite broadcasting","score":0.45995795726776123},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38647329807281494},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.386438250541687},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1349087357521057},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12896370887756348},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.10631844401359558}],"concepts":[{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.7517419457435608},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7414491772651672},{"id":"https://openalex.org/C2776190703","wikidata":"https://www.wikidata.org/wiki/Q488148","display_name":"Slicing","level":2,"score":0.7024903893470764},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6745730638504028},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.4638168215751648},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.45995795726776123},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38647329807281494},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.386438250541687},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1349087357521057},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12896370887756348},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.10631844401359558}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom54140.2023.10437178","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom54140.2023.10437178","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8829865417","display_name":null,"funder_award_id":"2020YFB1806104","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2963035503","https://openalex.org/W2999562137","https://openalex.org/W3081211774","https://openalex.org/W3089706104","https://openalex.org/W3110381504","https://openalex.org/W3118825529","https://openalex.org/W3122322599","https://openalex.org/W3173151636","https://openalex.org/W3205513800","https://openalex.org/W4288064493","https://openalex.org/W4312458537","https://openalex.org/W4322731167"],"related_works":["https://openalex.org/W2028190576","https://openalex.org/W4206958678","https://openalex.org/W2325965825","https://openalex.org/W2373343648","https://openalex.org/W3029457158","https://openalex.org/W2508657954","https://openalex.org/W2899645533","https://openalex.org/W623123055","https://openalex.org/W3199988476","https://openalex.org/W602579583"],"abstract_inverted_index":{"Ultra-dense":[0],"low":[1],"earth":[2],"orbit":[3],"(LEO)":[4],"satellite":[5],"network":[6,88],"(UD-LSN)":[7],"is":[8,135],"one":[9],"of":[10,23,59,99,125,179],"the":[11,16,48,52,56,93,97,119,146,163,177,180,191],"most":[12],"promising":[13],"architectures":[14],"in":[15,157,168,190],"sixth-generation":[17],"(6G)":[18],"systems,":[19],"providing":[20],"several":[21],"types":[22],"services":[24,110],"with":[25,145],"different":[26],"service":[27],"level":[28],"agreements":[29],"(SLAs).":[30],"Network":[31],"slicing":[32,72,90,121,154,160,192],"technology":[33],"effectively":[34],"meets":[35],"these":[36],"SLAs":[37],"by":[38],"building":[39],"multiple":[40],"logical":[41],"networks":[42],"isolated":[43],"from":[44],"each":[45,76],"other":[46],"on":[47],"physical":[49],"network.":[50],"In":[51],"UD-LSN,":[53],"due":[54],"to":[55,69,117],"spatiotemporal":[57],"variations":[58],"users":[60],"and":[61,104,106,111,129,143,162,196],"available":[62],"satellites,":[63],"it":[64],"poses":[65],"a":[66,82,113,138,158,169,187],"considerable":[67],"challenge":[68],"make":[70],"dynamic":[71,84,151],"decisions":[73],"individually":[74],"for":[75,92],"LEO":[77],"satellite.":[78],"This":[79],"paper":[80],"proposes":[81],"two-layer":[83,182],"reconfigurable":[85,152],"radio":[86],"access":[87,166],"(RAN)":[89],"architecture":[91],"UD-LSN.":[94],"We":[95],"consider":[96],"characteristics":[98],"enhanced":[100],"mobile":[101],"broadband":[102],"(eMBB)":[103],"ultra-reliable":[105],"low-latency":[107],"communications":[108],"(uRLLC)":[109],"formulate":[112],"stochastic":[114],"optimization":[115],"problem":[116,134],"maximize":[118],"long-term":[120],"utility,":[122,193],"which":[123,185],"consists":[124],"resource":[126,194],"utilization,":[127,195],"throughput,":[128],"reconfiguration":[130],"cost.":[131],"The":[132,173],"original":[133],"transformed":[136],"into":[137],"Markov":[139],"Decision":[140],"Process":[141],"(MDP)":[142],"solved":[144],"Branch":[147],"Dueling":[148],"Q-Network":[149],"(BDQ)-based":[150],"RAN":[153],"(DRRS)":[155],"algorithm":[156,167],"large":[159],"window":[161],"priority-based":[164],"user":[165],"small":[170],"time":[171],"slot.":[172],"simulation":[174],"results":[175],"validate":[176],"effectiveness":[178],"proposed":[181],"DRRS":[183],"strategy,":[184],"has":[186],"better":[188],"performance":[189],"throughput.":[197]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}