{"id":"https://openalex.org/W4391547700","doi":"https://doi.org/10.1109/jiot.2024.3361907","title":"Cache-Assisted Mobile-Edge Computing Over Space\u2013Air\u2013Ground Integrated Networks for Extended Reality Applications","display_name":"Cache-Assisted Mobile-Edge Computing Over Space\u2013Air\u2013Ground Integrated Networks for Extended Reality Applications","publication_year":2024,"publication_date":"2024-02-05","ids":{"openalex":"https://openalex.org/W4391547700","doi":"https://doi.org/10.1109/jiot.2024.3361907"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2024.3361907","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3361907","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5101895642","display_name":"Seonghoon Yoo","orcid":"https://orcid.org/0009-0001-6821-9522"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Seonghoon Yoo","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087867090","display_name":"Seongah Jeong","orcid":"https://orcid.org/0000-0002-9737-0432"},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seongah Jeong","raw_affiliation_strings":["School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, South Korea","institution_ids":["https://openalex.org/I31419693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054291013","display_name":"Jeongbin Kim","orcid":"https://orcid.org/0000-0002-5950-0056"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeongbin Kim","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062994489","display_name":"Joonhyuk Kang","orcid":"https://orcid.org/0000-0002-5508-3742"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joonhyuk Kang","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101895642"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":49.5715,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.99846392,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"11","issue":"10","first_page":"18306","last_page":"18319"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.9994999766349792,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9994999766349792,"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":0.9993000030517578,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9980999827384949,"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/computer-science","display_name":"Computer science","score":0.814551055431366},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5266677737236023},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.49755099415779114},{"id":"https://openalex.org/keywords/mobile-computing","display_name":"Mobile computing","score":0.48533526062965393},{"id":"https://openalex.org/keywords/mobile-edge-computing","display_name":"Mobile edge computing","score":0.47236496210098267},{"id":"https://openalex.org/keywords/mobile-telephony","display_name":"Mobile telephony","score":0.44874143600463867},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42730778455734253},{"id":"https://openalex.org/keywords/mobile-radio","display_name":"Mobile radio","score":0.24898865818977356},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22094035148620605}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.814551055431366},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5266677737236023},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.49755099415779114},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.48533526062965393},{"id":"https://openalex.org/C2776061582","wikidata":"https://www.wikidata.org/wiki/Q25325231","display_name":"Mobile edge computing","level":3,"score":0.47236496210098267},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.44874143600463867},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42730778455734253},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.24898865818977356},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22094035148620605}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2024.3361907","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2024.3361907","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8899999856948853,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1967956032","https://openalex.org/W2009657469","https://openalex.org/W2210084516","https://openalex.org/W2248880694","https://openalex.org/W2295566694","https://openalex.org/W2519564973","https://openalex.org/W2522123397","https://openalex.org/W2580241428","https://openalex.org/W2608841173","https://openalex.org/W2766401293","https://openalex.org/W2788350651","https://openalex.org/W2792244469","https://openalex.org/W2889800906","https://openalex.org/W2894645340","https://openalex.org/W2935268363","https://openalex.org/W2962804513","https://openalex.org/W2963061782","https://openalex.org/W2963555336","https://openalex.org/W2979186555","https://openalex.org/W2981096252","https://openalex.org/W2981587265","https://openalex.org/W3002033136","https://openalex.org/W3005971024","https://openalex.org/W3013626674","https://openalex.org/W3037951940","https://openalex.org/W3081933036","https://openalex.org/W3115826427","https://openalex.org/W3117089396","https://openalex.org/W3127207655","https://openalex.org/W3136422429","https://openalex.org/W3153448713","https://openalex.org/W3167043783","https://openalex.org/W3178636644","https://openalex.org/W3188554269","https://openalex.org/W3192880923","https://openalex.org/W3206701721","https://openalex.org/W4224276951","https://openalex.org/W4225571404","https://openalex.org/W4225674205","https://openalex.org/W4250739957","https://openalex.org/W4312275811","https://openalex.org/W4320057836","https://openalex.org/W4323767293","https://openalex.org/W4376851419","https://openalex.org/W4380088389","https://openalex.org/W4381233082","https://openalex.org/W4381327887"],"related_works":["https://openalex.org/W2152099439","https://openalex.org/W1984163603","https://openalex.org/W3130422087","https://openalex.org/W4210272022","https://openalex.org/W1844259124","https://openalex.org/W1974440652","https://openalex.org/W1541175715","https://openalex.org/W565993663","https://openalex.org/W2326504464","https://openalex.org/W2096709983"],"abstract_inverted_index":{"Extended":[0],"reality-enabled":[1],"Internet":[2,24],"of":[3,13,25,81,84,116,125,159,176,181],"Things":[4,26],"(XRI)":[5],"provides":[6],"new":[7],"user":[8],"experiences":[9],"and":[10,29,48,94,104,130,139,192,198,214],"a":[11,67,102,239],"sense":[12],"immersion":[14],"by":[15,169,202],"adding":[16],"virtual":[17],"elements":[18],"to":[19,45,57,122,149,162,227,232],"the":[20,123,136,140,156,163,170,174,178,182,204,211,222],"real":[21],"world":[22],"through":[23],"(IoT)":[27],"devices":[28,44],"emerging":[30],"sixth-generation":[31],"(6G)":[32],"technologies.":[33],"However,":[34],"computational-intensive":[35],"XRI":[36,43,78,107,117],"tasks":[37],"are":[38,119],"challenging":[39],"for":[40,77],"energy-constrained":[41],"small-size":[42],"cope":[46],"with,":[47],"moreover":[49],"certain":[50],"data":[51,118,129,145,161],"require":[52],"centralized":[53],"computing":[54,74],"that":[55],"needs":[56],"be":[58,147,167],"shared":[59,128,160],"among":[60],"users.":[61],"To":[62],"this":[63],"end,":[64],"we":[65,185],"propose":[66],"cache-assisted":[68],"space-air-ground":[69],"integrated":[70],"network":[71],"mobile":[72],"edge":[73,85],"(SAGIN-MEC)":[75],"system":[76,110],"applications":[79],"consisting":[80],"two":[82],"types":[83],"servers":[86],"mounted":[87],"on":[88],"an":[89],"unmanned":[90],"aerial":[91],"vehicle":[92],"(UAV)":[93],"low":[95],"Earth":[96],"orbit":[97],"(LEO)":[98],"satellite":[99,165],"equipped":[100],"with":[101,210],"cache":[103],"multiple":[105],"ground":[106],"devices.":[108],"For":[109],"efficiency,":[111],"four":[112],"different":[113],"offloading":[114,137,157,193],"procedures":[115],"considered":[120],"according":[121],"type":[124],"information,":[126],"i.e.,":[127],"private":[131,144],"data,":[132],"as":[133,135],"well":[134],"decision":[138,158],"caching":[141,171],"status.":[142,172],"Specifically,":[143],"can":[146,166],"offloaded":[148],"either":[150],"UAV":[151,188],"or":[152,236],"LEO":[153,164],"satellite,":[154],"while":[155],"determined":[168],"With":[173],"aim":[175],"maximizing":[177],"energy":[179],"efficiency":[180],"overall":[183],"system,":[184],"jointly":[186],"optimize":[187],"trajectory,":[189],"resource":[190],"allocation":[191],"decisions":[194],"under":[195],"latency":[196],"constraints":[197],"UAV\u2019s":[199],"operational":[200],"limitations":[201],"using":[203],"alternating":[205],"optimization":[206],"(AO)-based":[207],"method":[208],"along":[209],"Dinkelbach":[212],"algorithm":[213,224],"successive":[215],"convex":[216],"approximation":[217],"(SCA).":[218],"Via":[219],"numerical":[220],"results,":[221],"proposed":[223],"is":[225],"verified":[226],"have":[228],"superior":[229],"performance":[230],"compared":[231],"conventional":[233],"partial":[234],"optimizations":[235],"processes":[237],"without":[238],"cache.":[240]},"counts_by_year":[{"year":2025,"cited_by_count":18},{"year":2024,"cited_by_count":20}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}