{"id":"https://openalex.org/W4401806122","doi":"https://doi.org/10.1109/twc.2024.3445266","title":"Joint Two-Tier User Association and Resource Management for Integrated Satellite-Terrestrial Networks","display_name":"Joint Two-Tier User Association and Resource Management for Integrated Satellite-Terrestrial Networks","publication_year":2024,"publication_date":"2024-08-23","ids":{"openalex":"https://openalex.org/W4401806122","doi":"https://doi.org/10.1109/twc.2024.3445266"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2024.3445266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2024.3445266","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/twc.2024.3445266","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050344496","display_name":"Hung Nguyen-Kha","orcid":"https://orcid.org/0000-0002-5956-4279"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Hung Nguyen-Kha","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0002-5956-4279","affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060290096","display_name":"Vu Nguyen Ha","orcid":"https://orcid.org/0000-0003-1325-3480"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Vu Nguyen Ha","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0003-1325-3480","affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026746581","display_name":"Eva Lagunas","orcid":"https://orcid.org/0000-0002-9936-7245"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Eva Lagunas","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0002-9936-7245","affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016154330","display_name":"Symeon Chatzinotas","orcid":"https://orcid.org/0000-0001-5122-0001"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0001-5122-0001","affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Capellen, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030746971","display_name":"Jo\u00ebl Grotz","orcid":"https://orcid.org/0000-0002-4095-4015"},"institutions":[{"id":"https://openalex.org/I909555","display_name":"SES (Luxembourg)","ror":"https://ror.org/00526y629","country_code":"LU","type":"company","lineage":["https://openalex.org/I909555"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Joel Grotz","raw_affiliation_strings":["SES, Betzdorf, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0002-4095-4015","affiliations":[{"raw_affiliation_string":"SES, Betzdorf, Luxembourg","institution_ids":["https://openalex.org/I909555"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":20.0791,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.9907286,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"23","issue":"11","first_page":"16648","last_page":"16665"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9988999962806702,"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":0.9988999962806702,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.989300012588501,"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":0.9578999876976013,"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":0.6378103494644165},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.5896796584129333},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5809000730514526},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5770243406295776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.5364333987236023},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.4919757544994354},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4212297797203064},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.33708757162094116},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12938115000724792},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1198987364768982}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6378103494644165},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.5896796584129333},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5809000730514526},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5770243406295776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.5364333987236023},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.4919757544994354},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4212297797203064},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.33708757162094116},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12938115000724792},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1198987364768982},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2024.3445266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2024.3445266","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/62097","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/62097","pdf_url":"https://orbilu.uni.lu/bitstream/10993/62097/1/Nguyen-Kha%20et%20al_2024_Joint%20Two-tier%20User%20Association%20and%20Resource%20Management%20for%20Integrated.pdf","source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Wireless Communications, 23 (11), 16648-16665 (2024-11)","raw_type":"http://purl.org/coar/resource_type/c_6501"}],"best_oa_location":{"id":"doi:10.1109/twc.2024.3445266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2024.3445266","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1075774227","display_name":null,"funder_award_id":"IPBG19/14016225/INSTRUCT","funder_id":"https://openalex.org/F4320321038","funder_display_name":"Fonds National de la Recherche Luxembourg"}],"funders":[{"id":"https://openalex.org/F4320321038","display_name":"Fonds National de la Recherche Luxembourg","ror":"https://ror.org/039z13y21"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1987123761","https://openalex.org/W2056093707","https://openalex.org/W2085850581","https://openalex.org/W2098510757","https://openalex.org/W2100212778","https://openalex.org/W2107861471","https://openalex.org/W2120706128","https://openalex.org/W2136979888","https://openalex.org/W2146084815","https://openalex.org/W2149397321","https://openalex.org/W2165849651","https://openalex.org/W2520993345","https://openalex.org/W2608742543","https://openalex.org/W2889722097","https://openalex.org/W2901608252","https://openalex.org/W2987276902","https://openalex.org/W2995177052","https://openalex.org/W2997274539","https://openalex.org/W2999271997","https://openalex.org/W3011830499","https://openalex.org/W3021613684","https://openalex.org/W3036634962","https://openalex.org/W3089283090","https://openalex.org/W3089706104","https://openalex.org/W3091203760","https://openalex.org/W3091752016","https://openalex.org/W3118952445","https://openalex.org/W3122322599","https://openalex.org/W3131428807","https://openalex.org/W3133541217","https://openalex.org/W3134916744","https://openalex.org/W3138615854","https://openalex.org/W3194225147","https://openalex.org/W3201321698","https://openalex.org/W3204496228","https://openalex.org/W3214727290","https://openalex.org/W4210250788","https://openalex.org/W4210612536","https://openalex.org/W4225909459","https://openalex.org/W4248007259","https://openalex.org/W4250589301","https://openalex.org/W4312312028","https://openalex.org/W4312806673","https://openalex.org/W4315630040","https://openalex.org/W4322576964","https://openalex.org/W4367061151","https://openalex.org/W4387870790","https://openalex.org/W4387870944","https://openalex.org/W4387872890","https://openalex.org/W4393028260","https://openalex.org/W6849697464","https://openalex.org/W6852574265"],"related_works":["https://openalex.org/W2028190576","https://openalex.org/W1836774208","https://openalex.org/W4206958678","https://openalex.org/W2373343648","https://openalex.org/W64102529","https://openalex.org/W177220620","https://openalex.org/W2350659615","https://openalex.org/W4241763859","https://openalex.org/W4237560142","https://openalex.org/W4231450272"],"abstract_inverted_index":{"This":[0,115],"paper":[1,88],"investigates":[2],"the":[3,12,32,39,58,74,87,93,111,121,174,202],"uplink":[4],"transmission":[5,113],"of":[6,42,76,123,204],"an":[7,149],"integrated":[8,37],"satellite-terrestrial":[9],"network,":[10],"wherein":[11],"low-earth-orbit":[13],"(LEO)":[14],"satellites":[15,44],"provide":[16],"backhaul":[17,81],"services":[18],"to":[19,31,90,106,136,160,170,200,209],"isolated":[20],"cellular":[21],"base":[22],"stations":[23],"(BSs)":[24],"for":[25,65,166],"forwarding":[26],"mobile":[27],"user":[28],"(UE)":[29],"data":[30],"core":[33],"network.":[34],"In":[35],"this":[36,142],"system,":[38],"high":[40],"mobility":[41],"LEO":[43],"(LEOSats)":[45],"introduces":[46],"significant":[47],"challenges":[48],"in":[49,110,186],"managing":[50],"radio":[51],"resource":[52],"allocation":[53],"(RA),":[54],"as":[55,57],"well":[56],"associations":[59],"between":[60],"UEs,":[61],"BSs,":[62],"and":[63,79,96,103,131,157,169,191,212],"LEOSats":[64],"supporting":[66],"users\u2019":[67,108],"demands":[68,109],"efficiently,":[69,145],"while":[70],"also":[71,198],"dynamically":[72],"balancing":[73],"capacity":[75],"UE-BS":[77,95],"access":[78],"BS-LEO":[80],"links.":[82],"Regarding":[83],"these":[84],"critical":[85],"issues,":[86],"aims":[89],"jointly":[91],"optimize":[92],"two-tier":[94],"BS-LEOSat":[97],"association,":[98],"sub-channel":[99],"assignment,":[100],"bandwidth":[101],"allocation,":[102],"power":[104],"control":[105],"meet":[107],"shortest":[112],"time.":[114],"optimization":[116],"problem,":[117],"however,":[118],"falls":[119],"into":[120],"category":[122],"mixed-integer":[124],"non-convex":[125],"programming,":[126],"making":[127],"it":[128],"very":[129],"challenging":[130],"requiring":[132],"advanced":[133],"solution":[134],"techniques":[135],"find":[137],"optimal":[138],"solutions.":[139,194],"To":[140],"tackle":[141],"complex":[143],"problem":[144],"we":[146,178],"first":[147],"develop":[148],"iterative":[150],"centralized":[151],"algorithm":[152],"by":[153],"utilizing":[154],"convex":[155],"approximation":[156],"compressed-sensing-based":[158],"methods":[159],"deal":[161],"with":[162],"binary":[163],"variables.":[164],"Furthermore,":[165],"practical":[167],"implementation":[168],"offload":[171],"computation":[172],"from":[173],"central":[175],"processing":[176],"node,":[177],"propose":[179],"a":[180],"Dec-Alg":[181],"that":[182],"can":[183],"be":[184],"implemented":[185],"parallel":[187],"at":[188],"local":[189],"controllers":[190],"achieve":[192],"efficient":[193],"Numerical":[195],"results":[196],"are":[197],"illustrated":[199],"strengthen":[201],"effectiveness":[203],"our":[205],"proposed":[206],"algorithms":[207],"compared":[208],"traditional":[210],"greedy":[211],"benchmark":[213],"algorithms.":[214]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":12}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}