{"id":"https://openalex.org/W4400877639","doi":"https://doi.org/10.1109/jsac.2024.3431575","title":"Digital Twin-Assisted Data-Driven Optimization for Reliable Edge Caching in Wireless Networks","display_name":"Digital Twin-Assisted Data-Driven Optimization for Reliable Edge Caching in Wireless Networks","publication_year":2024,"publication_date":"2024-07-22","ids":{"openalex":"https://openalex.org/W4400877639","doi":"https://doi.org/10.1109/jsac.2024.3431575"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2024.3431575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2024.3431575","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5079891812","display_name":"Zifan Zhang","orcid":"https://orcid.org/0009-0004-5382-9493"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zifan Zhang","raw_affiliation_strings":["Department of Computer Science, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":"https://orcid.org/0009-0004-5382-9493","affiliations":[{"raw_affiliation_string":"Department of Computer Science, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100373044","display_name":"Yuchen Liu","orcid":"https://orcid.org/0000-0001-7505-9718"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuchen Liu","raw_affiliation_strings":["Department of Computer Science, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":"https://orcid.org/0000-0001-7505-9718","affiliations":[{"raw_affiliation_string":"Department of Computer Science, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075223216","display_name":"Zhiyuan Peng","orcid":"https://orcid.org/0000-0002-9870-4422"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhiyuan Peng","raw_affiliation_strings":["Department of Computer Science, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072241033","display_name":"Mingzhe Chen","orcid":"https://orcid.org/0000-0003-2570-703X"},"institutions":[{"id":"https://openalex.org/I145608581","display_name":"University of Miami","ror":"https://ror.org/02dgjyy92","country_code":"US","type":"education","lineage":["https://openalex.org/I145608581"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mingzhe Chen","raw_affiliation_strings":["Department of Electrical and Computer Engineering and the Frost Institute for Data Science and Computing, University of Miami, Coral Gables, FL, USA"],"raw_orcid":"https://orcid.org/0000-0003-2570-703X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering and the Frost Institute for Data Science and Computing, University of Miami, Coral Gables, FL, USA","institution_ids":["https://openalex.org/I145608581"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068433690","display_name":"Dongkuan Xu","orcid":"https://orcid.org/0000-0002-1456-9658"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dongkuan Xu","raw_affiliation_strings":["Department of Computer Science, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":"https://orcid.org/0000-0002-1456-9658","affiliations":[{"raw_affiliation_string":"Department of Computer Science, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009164482","display_name":"Shuguang Cui","orcid":"https://orcid.org/0000-0003-2608-775X"},"institutions":[{"id":"https://openalex.org/I4210116924","display_name":"Chinese University of Hong Kong, Shenzhen","ror":"https://ror.org/02d5ks197","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633","https://openalex.org/I180726961","https://openalex.org/I4210116924"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuguang Cui","raw_affiliation_strings":["School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-2608-775X","affiliations":[{"raw_affiliation_string":"School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China","institution_ids":["https://openalex.org/I4210116924"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.3486,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.9620551,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"42","issue":"11","first_page":"3306","last_page":"3320"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9986000061035156,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9922000169754028,"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":0.884564220905304},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5988978743553162},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.48044082522392273},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4760177731513977},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4599775969982147},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19909271597862244}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.884564220905304},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5988978743553162},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.48044082522392273},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4760177731513977},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4599775969982147},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19909271597862244}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2024.3431575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2024.3431575","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.75,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G189066737","display_name":null,"funder_award_id":"CNS\u20102312139","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5896356944","display_name":null,"funder_award_id":"CNS-2332834","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G742142219","display_name":null,"funder_award_id":"CNS-2312138","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1520815598","https://openalex.org/W1845972764","https://openalex.org/W2054308357","https://openalex.org/W2095293504","https://openalex.org/W2112053513","https://openalex.org/W2131806537","https://openalex.org/W2137453738","https://openalex.org/W2190432600","https://openalex.org/W2593512535","https://openalex.org/W2616636064","https://openalex.org/W2746390786","https://openalex.org/W2760381851","https://openalex.org/W2810828216","https://openalex.org/W2919839278","https://openalex.org/W2934046414","https://openalex.org/W2962850461","https://openalex.org/W2963575966","https://openalex.org/W2972160586","https://openalex.org/W3002844053","https://openalex.org/W3009889758","https://openalex.org/W3011498824","https://openalex.org/W3049290327","https://openalex.org/W3080667742","https://openalex.org/W3088400155","https://openalex.org/W3101940057","https://openalex.org/W3120678039","https://openalex.org/W3130503957","https://openalex.org/W3136705879","https://openalex.org/W3158060903","https://openalex.org/W3188216429","https://openalex.org/W3188569078","https://openalex.org/W3189204085","https://openalex.org/W3195968524","https://openalex.org/W3203005489","https://openalex.org/W4205180710","https://openalex.org/W4281480521","https://openalex.org/W4296913260","https://openalex.org/W4306763797","https://openalex.org/W4315783855","https://openalex.org/W4376464656","https://openalex.org/W4376851419","https://openalex.org/W4380303648","https://openalex.org/W4382318215","https://openalex.org/W4386569479","https://openalex.org/W4390357264","https://openalex.org/W4392910502","https://openalex.org/W6631161651","https://openalex.org/W6728757088","https://openalex.org/W6752514556","https://openalex.org/W6757677476","https://openalex.org/W6780312303","https://openalex.org/W6838701874"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Optimizing":[0],"edge":[1],"caching":[2,93,181],"is":[3],"crucial":[4],"for":[5,18,128],"the":[6,29,162],"advancement":[7],"of":[8,28,31,133,164],"next-generation":[9],"(nextG)":[10],"wireless":[11,96],"networks,":[12],"ensuring":[13],"high-speed":[14],"and":[15,35,52,63,104,123,130,154,175,195],"low-latency":[16],"services":[17],"mobile":[19],"users.":[20],"Existing":[21],"data-driven":[22,177],"optimization":[23,77],"approaches":[24,190],"often":[25],"lack":[26],"awareness":[27],"distribution":[30],"random":[32],"data":[33],"variables":[34],"focus":[36],"solely":[37],"on":[38],"optimizing":[39],"cache":[40,54,135,192],"hit":[41,193],"rates,":[42],"neglecting":[43],"potential":[44],"reliability":[45,140,202],"concerns,":[46],"such":[47],"as":[48,120],"base":[49],"station":[50],"overload":[51],"unbalanced":[53],"issues.":[55],"This":[56],"oversight":[57],"can":[58,149],"result":[59],"in":[60,94,191],"system":[61],"crashes":[62],"degraded":[64],"user":[65],"experience.":[66],"To":[67],"bridge":[68],"this":[69],"gap,":[70],"we":[71],"introduce":[72],"a":[73,101,143],"novel":[74],"digital":[75,112],"twin-assisted":[76],"framework,":[78],"called":[79],"D-REC,":[80],"which":[81,114],"integrates":[82],"reinforcement":[83],"learning":[84],"(RL)":[85],"with":[86,158],"diverse":[87],"intervention":[88,203],"modules":[89,141],"to":[90,108,156],"ensure":[91],"reliable":[92],"nextG":[95],"networks.":[97],"We":[98],"first":[99],"develop":[100],"joint":[102],"vertical":[103],"horizontal":[105],"twinning":[106],"approach":[107],"efficiently":[109],"create":[110],"network":[111,165],"twins,":[113],"are":[115],"then":[116],"employed":[117],"by":[118],"D-REC":[119,148,174,187],"RL":[121],"optimizers":[122],"safeguards,":[124],"providing":[125],"ample":[126],"datasets":[127],"training":[129],"predictive":[131],"evaluation":[132],"our":[134],"replacement":[136],"policy.":[137],"By":[138],"incorporating":[139],"into":[142],"constrained":[144],"Markov":[145],"decision":[146],"process,":[147],"adaptively":[150],"adjust":[151],"actions,":[152],"rewards,":[153],"states":[155],"comply":[157],"advantageous":[159],"constraints,":[160],"minimizing":[161],"risk":[163],"failures.":[166],"Theoretical":[167],"analysis":[168],"demonstrates":[169],"comparable":[170],"convergence":[171],"rates":[172],"between":[173],"vanilla":[176],"methods":[178],"without":[179],"compromising":[180],"performance.":[182],"Extensive":[183],"experiments":[184],"validate":[185],"that":[186],"outperforms":[188],"conventional":[189],"rate":[194],"load":[196],"balancing":[197],"while":[198],"effectively":[199],"enforcing":[200],"predetermined":[201],"modules.":[204]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":3}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}