{"id":"https://openalex.org/W4200087207","doi":"https://doi.org/10.1109/wcsp52459.2021.9613411","title":"Deep Reinforcement Learning-based Satellite Handover Scheme for Satellite Communications","display_name":"Deep Reinforcement Learning-based Satellite Handover Scheme for Satellite Communications","publication_year":2021,"publication_date":"2021-10-20","ids":{"openalex":"https://openalex.org/W4200087207","doi":"https://doi.org/10.1109/wcsp52459.2021.9613411"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp52459.2021.9613411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp52459.2021.9613411","pdf_url":null,"source":{"id":"https://openalex.org/S4363607893","display_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100440193","display_name":"Jie Wang","orcid":"https://orcid.org/0000-0003-3679-8678"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Wang","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039358230","display_name":"Weiqing Mu","orcid":"https://orcid.org/0000-0002-0409-5401"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Weiqing Mu","raw_affiliation_strings":["China Research Institute of Radiowave Propagation, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Research Institute of Radiowave Propagation, Qingdao, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100387395","display_name":"Yanan Liu","orcid":"https://orcid.org/0000-0001-8315-2162"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanan Liu","raw_affiliation_strings":["School of Information and Communication Engineering, Harbin Engineering University, Harbin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108910430","display_name":"Lantu Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lantu Guo","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061858149","display_name":"Shaofeng Zhang","orcid":"https://orcid.org/0000-0002-9920-2344"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shaofeng Zhang","raw_affiliation_strings":["China Research Institute of Radiowave Propagation, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Research Institute of Radiowave Propagation, Qingdao, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027367677","display_name":"Guan Gui","orcid":"https://orcid.org/0000-0003-3888-2881"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guan Gui","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":26.6112,"has_fulltext":false,"cited_by_count":57,"citation_normalized_percentile":{"value":0.99737093,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9922000169754028,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9700999855995178,"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/handover","display_name":"Handover","score":0.9731118679046631},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7545027732849121},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6476752758026123},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.613665759563446},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6088228225708008},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.6059996485710144},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.575096607208252},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4728658199310303},{"id":"https://openalex.org/keywords/soft-handover","display_name":"Soft handover","score":0.47034576535224915},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.46843796968460083},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.14614009857177734},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1425538957118988}],"concepts":[{"id":"https://openalex.org/C111852164","wikidata":"https://www.wikidata.org/wiki/Q1414679","display_name":"Handover","level":2,"score":0.9731118679046631},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7545027732849121},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6476752758026123},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.613665759563446},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6088228225708008},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.6059996485710144},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.575096607208252},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4728658199310303},{"id":"https://openalex.org/C125450847","wikidata":"https://www.wikidata.org/wiki/Q7553982","display_name":"Soft handover","level":3,"score":0.47034576535224915},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.46843796968460083},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14614009857177734},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1425538957118988},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp52459.2021.9613411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp52459.2021.9613411","pdf_url":null,"source":{"id":"https://openalex.org/S4363607893","display_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W2111907118","https://openalex.org/W2145339207","https://openalex.org/W2157225291","https://openalex.org/W2399586126","https://openalex.org/W2785721387","https://openalex.org/W2802984054","https://openalex.org/W2892656107","https://openalex.org/W2901608252","https://openalex.org/W2941952695","https://openalex.org/W2963246369","https://openalex.org/W2963836977","https://openalex.org/W3006541201","https://openalex.org/W3013523550","https://openalex.org/W3035481639","https://openalex.org/W3091203760","https://openalex.org/W3091365446","https://openalex.org/W3103408716","https://openalex.org/W3107035074","https://openalex.org/W3109047212","https://openalex.org/W3124458808","https://openalex.org/W3133077107","https://openalex.org/W3137434241","https://openalex.org/W6747695673"],"related_works":["https://openalex.org/W2182128760","https://openalex.org/W795084472","https://openalex.org/W2060886283","https://openalex.org/W2369747842","https://openalex.org/W2044647930","https://openalex.org/W2172799797","https://openalex.org/W2269713387","https://openalex.org/W2611234675","https://openalex.org/W2060696338","https://openalex.org/W4252481868"],"abstract_inverted_index":{"Low":[0],"Earth":[1],"orbit":[2],"(LEO)":[3],"satellites":[4,28,37,117],"have":[5],"attracted":[6],"increasing":[7],"attention":[8],"in":[9,35],"recent":[10],"years":[11],"due":[12],"to":[13],"their":[14],"wide":[15],"coverage":[16],"area":[17],"and":[18,63,75,108],"flexible":[19],"connectivity.":[20],"However,":[21,81],"the":[22,52,56,60,64,68,82,100,105,109,113,116,121,145,153,162],"high":[23],"speed":[24],"mobility":[25],"of":[26,67,103,112,115,155],"LEO":[27,36],"imposes":[29],"huge":[30],"challenges":[31],"for":[32,72],"satellite":[33,69],"handover":[34,49,73,84,89,94,133,138,149,167],"communication":[38,106],"networks.":[39],"Firstly,":[40],"frequent":[41],"handovers":[42,156],"cause":[43],"unacceptable":[44],"signaling":[45],"overhead.":[46],"Secondly,":[47],"multiple":[48,137],"factors":[50,95,139],"including":[51],"remaining":[53],"visible":[54],"time,":[55],"received":[57],"signal":[58],"strength,":[59],"shortest":[61],"distance":[62],"load":[65],"balance":[66],"are":[70],"crucial":[71],"decision":[74],"should":[76],"be":[77],"taken":[78],"into":[79],"account.":[80],"conventional":[83],"strategies":[85],"only":[86],"consider":[87],"single":[88],"criterion":[90],"or":[91],"weight":[92],"several":[93],"simply,":[96],"which":[97],"cannot":[98],"guarantee":[99],"success":[101],"rate":[102],"handover,":[104],"quality":[107],"maximum":[110],"utilization":[111],"resource":[114],"simultaneously.":[118,140],"To":[119],"resolve":[120],"above":[122],"problems,":[123],"this":[124],"paper":[125],"propose":[126],"a":[127],"novel":[128],"deep":[129],"reinforcement":[130],"learning":[131],"(DRL)-based":[132],"scheme":[134,150],"by":[135],"considering":[136],"Simulation":[141],"results":[142],"showed":[143],"that":[144],"proposed":[146],"DRL":[147],"based":[148],"can":[151],"decrease":[152],"number":[154],"more":[157],"than":[158],"21%":[159],"compared":[160],"with":[161],"comparison":[163],"benchmarks":[164],"under":[165],"no":[166],"failures.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":18},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":5}],"updated_date":"2026-08-08T07:41:36.138363","created_date":"2025-10-10T00:00:00"}