{"id":"https://openalex.org/W3158253803","doi":"https://doi.org/10.1109/tvt.2020.3045509","title":"Delay Optimization in Multi-UAV Edge Caching Networks: A Robust Mean Field Game","display_name":"Delay Optimization in Multi-UAV Edge Caching Networks: A Robust Mean Field Game","publication_year":2020,"publication_date":"2020-12-17","ids":{"openalex":"https://openalex.org/W3158253803","doi":"https://doi.org/10.1109/tvt.2020.3045509","mag":"3158253803"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2020.3045509","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2020.3045509","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","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/A5100782093","display_name":"Lixin Li","orcid":"https://orcid.org/0000-0002-9980-2649"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lixin Li","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","an, China"],"raw_orcid":"https://orcid.org/0000-0002-9980-2649","affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100377144","display_name":"Meng Wang","orcid":"https://orcid.org/0000-0002-2857-2022"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meng Wang","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074486660","display_name":"Kaiyuan Xue","orcid":null},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaiyuan Xue","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103080875","display_name":"Qianqian Cheng","orcid":"https://orcid.org/0000-0003-4128-5746"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianqian Cheng","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100445424","display_name":"Dawei Wang","orcid":"https://orcid.org/0000-0001-9981-3623"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dawei Wang","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","an, China"],"raw_orcid":"https://orcid.org/0000-0001-9981-3623","affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi&#x2019","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"an, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108049716","display_name":"Wei Chen","orcid":"https://orcid.org/0000-0002-9066-1448"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Chen","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9066-1448","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047722991","display_name":"Miao Pan","orcid":"https://orcid.org/0000-0003-2138-4413"},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Miao Pan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Univeristy of Houston, Houston, USA"],"raw_orcid":"https://orcid.org/0000-0003-2138-4413","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Univeristy of Houston, Houston, USA","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063667378","display_name":"Zhu Han","orcid":"https://orcid.org/0000-0002-6606-5822"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]},{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Zhu Han","raw_affiliation_strings":["Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","Department of ECE, University of Houston, Houston, TX, USA"],"raw_orcid":"https://orcid.org/0000-0002-6606-5822","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","institution_ids":["https://openalex.org/I35928602"]},{"raw_affiliation_string":"Department of ECE, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.7553,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.9341077,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"70","issue":"1","first_page":"808","last_page":"819"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9997000098228455,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9969000220298767,"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":0.9962999820709229,"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":0.7824677228927612},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.727260410785675},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.6408584117889404},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5335517525672913},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5099304914474487},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4899829924106598},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4291391968727112},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3520129323005676},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09499415755271912}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7824677228927612},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.727260410785675},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.6408584117889404},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5335517525672913},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5099304914474487},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4899829924106598},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4291391968727112},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3520129323005676},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09499415755271912},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2020.3045509","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2020.3045509","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8600000143051147}],"awards":[{"id":"https://openalex.org/G6084208648","display_name":null,"funder_award_id":"61901379","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G638176488","display_name":null,"funder_award_id":"62001387","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8951995301","display_name":null,"funder_award_id":"61901378","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1044736484","https://openalex.org/W1486766228","https://openalex.org/W1967450299","https://openalex.org/W2009708702","https://openalex.org/W2051773775","https://openalex.org/W2104827998","https://openalex.org/W2122186362","https://openalex.org/W2122224951","https://openalex.org/W2145834990","https://openalex.org/W2166021179","https://openalex.org/W2183560445","https://openalex.org/W2321936408","https://openalex.org/W2398409936","https://openalex.org/W2415721549","https://openalex.org/W2508712411","https://openalex.org/W2528788999","https://openalex.org/W2593512535","https://openalex.org/W2603810864","https://openalex.org/W2611373201","https://openalex.org/W2765226185","https://openalex.org/W2783103509","https://openalex.org/W2791072699","https://openalex.org/W2806171402","https://openalex.org/W2809456920","https://openalex.org/W2888897933","https://openalex.org/W2893434546","https://openalex.org/W2909545649","https://openalex.org/W2920195699","https://openalex.org/W2961041392","https://openalex.org/W2962804513","https://openalex.org/W2962850461","https://openalex.org/W2963615009","https://openalex.org/W2963857659","https://openalex.org/W2963905490","https://openalex.org/W2963991174","https://openalex.org/W2964018918","https://openalex.org/W2964217033","https://openalex.org/W2965843966","https://openalex.org/W2984041531","https://openalex.org/W2988575175","https://openalex.org/W2995176888","https://openalex.org/W2999235792","https://openalex.org/W3010168681","https://openalex.org/W3021125948","https://openalex.org/W3038097199","https://openalex.org/W3043890719","https://openalex.org/W3044788092","https://openalex.org/W3045963720","https://openalex.org/W4238187298","https://openalex.org/W6675713828","https://openalex.org/W6686085030","https://openalex.org/W6780919264"],"related_works":["https://openalex.org/W2944823289","https://openalex.org/W3037018281","https://openalex.org/W2003209439","https://openalex.org/W4321854979","https://openalex.org/W2358319515","https://openalex.org/W2972592048","https://openalex.org/W4312214821","https://openalex.org/W2497626292","https://openalex.org/W2390344072","https://openalex.org/W3089066832"],"abstract_inverted_index":{"The":[0,87,165],"data":[1],"requirements":[2],"of":[3,7,48,51,85,89,107,128,143],"a":[4,38,46,70],"large":[5],"number":[6],"users":[8],"incur":[9],"significant":[10],"delay":[11,72,99,177],"to":[12,41,63,80,93,96,139],"base":[13,15],"stations/small":[14],"stations":[16],"(BSs/SBSs)":[17],"in":[18,24,100,150,161],"edge":[19],"caching":[20,61,144],"networks":[21],"(ECNs).":[22],"Specially,":[23],"certain":[25],"special":[26],"scenarios,":[27],"such":[28],"as":[29,59],"sports":[30],"events,":[31],"parades":[32],"and":[33,109,145,183],"nature":[34],"disasters,":[35],"it":[36],"is":[37,92,155],"great":[39],"challenge":[40],"deploy":[42],"fixed":[43],"BSs/SBSs.":[44],"Thus,":[45],"kind":[47,142],"flexible":[49],"replacement":[50],"BSs/SBSs,":[52],"unmanned":[53],"aerial":[54],"vehicles":[55],"(UAVs),":[56],"are":[57],"considered":[58],"the":[60,77,82,105,110,117,122,126,133,152,158,162,170,175,179,186],"platform":[62],"serve":[64],"users.":[65,86],"Hence,":[66],"this":[67,141],"paper":[68],"proposes":[69],"distributed":[71],"optimization":[73],"algorithm":[74,172],"by":[75,121,157],"using":[76],"massive":[78],"UAVs":[79],"cache":[81],"request":[83],"contents":[84],"purpose":[88],"each":[90],"UAV":[91],"facilitate":[94],"BSs/SBSs":[95],"minimize":[97],"user":[98],"downloading":[101],"content":[102,108],"based":[103],"on":[104],"popularity":[106],"flight":[111,147],"strategy.":[112],"In":[113],"addition,":[114],"we":[115,131],"consider":[116],"main":[118],"disturbance":[119,159],"caused":[120],"atmospheric":[123,153],"turbulence.":[124],"For":[125],"control":[127],"large-scale":[129],"UAVs,":[130],"take":[132],"robust":[134],"mean":[135],"field":[136],"game":[137],"theory":[138],"model":[140],"dynamic":[146],"strategy":[148],"problem,":[149],"which":[151],"turbulence":[154],"described":[156],"term":[160],"drift":[163],"function.":[164],"simulation":[166],"results":[167],"show":[168],"that":[169],"proposed":[171],"can":[173],"reduce":[174],"download":[176],"under":[178],"limited":[180],"energy":[181],"consumption":[182],"finally":[184],"achieve":[185],"equilibrium.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":6}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}
