{"id":"https://openalex.org/W4416798029","doi":"https://doi.org/10.1109/ojcoms.2025.3638149","title":"LEO-Based Edge Computing Service Platform for Challenging Geographical Terrain","display_name":"LEO-Based Edge Computing Service Platform for Challenging Geographical Terrain","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4416798029","doi":"https://doi.org/10.1109/ojcoms.2025.3638149"},"language":"en","primary_location":{"id":"doi:10.1109/ojcoms.2025.3638149","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3638149","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/ojcoms.2025.3638149","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076279518","display_name":"Sovit Bhandari","orcid":"https://orcid.org/0000-0003-0150-0480"},"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"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Sovit Bhandari","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032104368","display_name":"Thang X. Vu","orcid":"https://orcid.org/0000-0002-8374-443X"},"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"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Thang X. Vu","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","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"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5076279518"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":5.1063,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.96179704,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"6","issue":null,"first_page":"9991","last_page":"10009"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.7850000262260437,"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":0.7850000262260437,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.1120000034570694,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.019200000911951065,"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/edge-computing","display_name":"Edge computing","score":0.4871000051498413},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.484499990940094},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4587000012397766},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.45750001072883606},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.4458000063896179},{"id":"https://openalex.org/keywords/handover","display_name":"Handover","score":0.44449999928474426},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4311000108718872},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4203000068664551},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.39730000495910645}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7573999762535095},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4896000027656555},{"id":"https://openalex.org/C2778456923","wikidata":"https://www.wikidata.org/wiki/Q5337692","display_name":"Edge computing","level":3,"score":0.4871000051498413},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.484499990940094},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.46459999680519104},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4587000012397766},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.45750001072883606},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.4458000063896179},{"id":"https://openalex.org/C111852164","wikidata":"https://www.wikidata.org/wiki/Q1414679","display_name":"Handover","level":2,"score":0.44449999928474426},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4311000108718872},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4203000068664551},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.39730000495910645},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.39480000734329224},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.3846000134944916},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.37380000948905945},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.3659000098705292},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.3476000130176544},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32919999957084656},{"id":"https://openalex.org/C187713609","wikidata":"https://www.wikidata.org/wiki/Q2465461","display_name":"Default gateway","level":2,"score":0.3158999979496002},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.3124000132083893},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.2955999970436096},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.2939000129699707},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.2896000146865845},{"id":"https://openalex.org/C2776061582","wikidata":"https://www.wikidata.org/wiki/Q25325231","display_name":"Mobile edge computing","level":3,"score":0.28060001134872437},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.2777999937534332},{"id":"https://openalex.org/C2775973920","wikidata":"https://www.wikidata.org/wiki/Q3252726","display_name":"Selection algorithm","level":3,"score":0.2754000127315521},{"id":"https://openalex.org/C126669455","wikidata":"https://www.wikidata.org/wiki/Q1630941","display_name":"Teleconference","level":2,"score":0.2689000070095062},{"id":"https://openalex.org/C2777710495","wikidata":"https://www.wikidata.org/wiki/Q5527195","display_name":"Gateway (web page)","level":2,"score":0.26420000195503235}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/ojcoms.2025.3638149","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3638149","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","raw_type":"journal-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/66577","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/66577","pdf_url":null,"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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"IEEE Open Journal of the Communications Society, 1-20 (2025-11-28)","raw_type":"peer reviewed"},{"id":"pmh:oai:doaj.org/article:ba28ebe607b14489a65dbe7422e92c0b","is_oa":true,"landing_page_url":"https://doaj.org/article/ba28ebe607b14489a65dbe7422e92c0b","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of the Communications Society, Vol 6, Pp 9991-10009 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2025.3638149","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3638149","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","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"},{"id":"https://openalex.org/G146401541","display_name":null,"funder_award_id":"C22/IS/17220888/RUTINE","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,85,109,229],"next-generation":[1],"fully":[2,74],"regenerative":[3],"payload-enabled":[4],"low":[5],"Earth":[6],"orbit":[7],"(LEO)":[8],"satellites":[9,55,105],"enable":[10],"Satellite-as-a-Service":[11],"(SaaS)":[12],"capabilities.":[13],"In":[14],"this":[15,125],"work,":[16],"we":[17,127,179],"propose":[18,128,180],"a":[19,67,159,175,181],"three-tier":[20],"SaaS":[21],"platform":[22],"for":[23,188],"on-demand":[24],"computing":[25],"services":[26],"such":[27],"as":[28,116],"disaster":[29],"forecast,":[30],"2D/3D":[31],"scene":[32],"observation,":[33],"route":[34],"finding,":[35],"and":[36,100,106,119,154,165,170,197,208,240],"rescue":[37],"operations":[38],"based":[39,132,203],"on":[40,133,204],"satellite":[41,78],"images/videos,":[42],"taking":[43],"into":[44],"account":[45],"different":[46,244],"beam":[47,196,199,245],"management":[48],"techniques.":[49],"Unlike":[50],"existing":[51],"works":[52],"where":[53],"LEO":[54],"collaborate":[56],"with":[57],"ground":[58],"users,":[59],"in":[60,144,249],"the":[61,77,91,98,104,107,134,151,190,216,226],"considered":[62],"system,":[63],"users":[64],"only":[65],"request":[66],"service":[68,93],"index,":[69],"while":[70],"all":[71],"computation":[72,99],"is":[73,88,114,247],"handled":[75],"within":[76],"network":[79],"and/or":[80],"its":[81],"connected":[82],"gateway":[83],"(GW).":[84],"primary":[86],"objective":[87],"to":[89,225],"minimize":[90],"worst-case":[92],"completion":[94,218,254],"time":[95,219],"by":[96,220],"optimizing":[97,150,167],"communication":[101,172],"allocation":[102],"among":[103],"GW.":[108],"formulated":[110],"multi-objective":[111],"optimization":[112,136],"problem":[113],"characterized":[115],"non-linear,":[117],"non-convex,":[118],"non-deterministic":[120],"polynomial-time":[121],"(NP)-hard.":[122],"To":[123],"tackle":[124],"challenge,":[126],"an":[129],"iterative":[130],"algorithm":[131],"alternating":[135],"(AO)":[137],"framework.":[138],"This":[139],"approach":[140],"solves":[141],"two":[142],"sub-problems":[143],"sequence":[145],"during":[146,184],"each":[147],"iteration:":[148],"i)":[149],"link":[152,235,238],"selection":[153],"task":[155,191,217,253],"offloading":[156],"decisions":[157,242],"via":[158,174],"successive":[160],"convex":[161,176],"approximation":[162],"(SCA)":[163],"method,":[164],"ii)":[166],"computational":[168,232],"resources":[169],"downlink":[171],"bandwidth":[173],"formulation.":[177],"Furthermore,":[178],"delivery":[182],"strategy":[183],"handover":[185],"(HO)":[186],"periods":[187],"returning":[189],"results":[192,202],"under":[193,243],"both":[194],"Earth-fixed":[195],"Earth-moving":[198],"configurations.":[200],"Simulation":[201],"realistic":[205],"system":[206],"parameters":[207],"datasets":[209],"show":[210],"that":[211],"our":[212],"proposed":[213],"design":[214],"reduces":[215],"at":[221],"least":[222],"16%":[223],"compared":[224],"reference":[227],"strategies.":[228],"impact":[230],"of":[231,251],"cycles,":[233],"inter-satellite":[234],"rates,":[236,239],"feeder":[237],"HO":[241],"configurations":[246],"illustrated":[248],"terms":[250],"mean":[252],"time.":[255]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-11-28T00:00:00"}