{"id":"https://openalex.org/W3000141723","doi":"https://doi.org/10.1109/tcomm.2020.2966454","title":"Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks With Limited Lifetime and Cache Space","display_name":"Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks With Limited Lifetime and Cache Space","publication_year":2020,"publication_date":"2020-01-14","ids":{"openalex":"https://openalex.org/W3000141723","doi":"https://doi.org/10.1109/tcomm.2020.2966454","mag":"3000141723"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2020.2966454","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.2966454","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2001.02557","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067841793","display_name":"Bojie Lv","orcid":"https://orcid.org/0009-0007-2437-7397"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]},{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bojie Lv","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100431342","display_name":"Rui Wang","orcid":"https://orcid.org/0000-0003-0044-8932"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]},{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Wang","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-0044-8932","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071987706","display_name":"Ying Cui","orcid":"https://orcid.org/0000-0003-3181-9775"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Cui","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","Department of Electronic Engineering; Shanghai Jiao Tong University; Shanghai China"],"raw_orcid":"https://orcid.org/0000-0003-3181-9775","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Department of Electronic Engineering; Shanghai Jiao Tong University; Shanghai China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100687951","display_name":"Yi Gong","orcid":"https://orcid.org/0000-0001-7392-8991"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]},{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Gong","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Shenzhen Engineering Laboratory of Intelligent Information Processing for IoT, Southern University of Science and Technology, Shenzhen, China","Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-7392-8991","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Shenzhen Engineering Laboratory of Intelligent Information Processing for IoT, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Research Center of Networks and Communications, Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067465324","display_name":"Haisheng Tan","orcid":"https://orcid.org/0000-0002-3133-1430"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haisheng Tan","raw_affiliation_strings":["LINKE Lab, University of Science and Technology of China, Hefei, China","LINKE Lab, University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LINKE Lab, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]},{"raw_affiliation_string":"LINKE Lab, University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2071,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.8014968,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"68","issue":"4","first_page":"2339","last_page":"2354"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":1.0,"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":1.0,"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":0.9944999814033508,"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":0.9944999814033508,"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/cache","display_name":"Cache","score":0.841649055480957},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.7154560089111328},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6974841356277466},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.5123671293258667},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.5013320446014404},{"id":"https://openalex.org/keywords/cache-coloring","display_name":"Cache coloring","score":0.4614144563674927},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4508485794067383},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.42449772357940674},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3969157040119171},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3619363307952881},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.19276079535484314},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.151199072599411}],"concepts":[{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.841649055480957},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.7154560089111328},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6974841356277466},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.5123671293258667},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.5013320446014404},{"id":"https://openalex.org/C201148951","wikidata":"https://www.wikidata.org/wiki/Q5015976","display_name":"Cache coloring","level":4,"score":0.4614144563674927},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4508485794067383},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.42449772357940674},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3969157040119171},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3619363307952881},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.19276079535484314},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.151199072599411},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tcomm.2020.2966454","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.2966454","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2001.02557","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2001.02557","pdf_url":"https://arxiv.org/pdf/2001.02557","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-158499","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-158499","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2001.02557","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2001.02557","pdf_url":"https://arxiv.org/pdf/2001.02557","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.699999988079071,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W1508642566","https://openalex.org/W1601081659","https://openalex.org/W1611674276","https://openalex.org/W1976009562","https://openalex.org/W1988834815","https://openalex.org/W2001178040","https://openalex.org/W2004690230","https://openalex.org/W2070159177","https://openalex.org/W2093223549","https://openalex.org/W2096220631","https://openalex.org/W2098432798","https://openalex.org/W2099671751","https://openalex.org/W2106248279","https://openalex.org/W2112053513","https://openalex.org/W2142477559","https://openalex.org/W2161367706","https://openalex.org/W2213621529","https://openalex.org/W2258632262","https://openalex.org/W2263893300","https://openalex.org/W2294354713","https://openalex.org/W2364089413","https://openalex.org/W2404272329","https://openalex.org/W2416516071","https://openalex.org/W2584291500","https://openalex.org/W2585696598","https://openalex.org/W2604281498","https://openalex.org/W2790575753","https://openalex.org/W2913184166","https://openalex.org/W2916843629","https://openalex.org/W2918055757","https://openalex.org/W2943747303","https://openalex.org/W2963012960","https://openalex.org/W2963074449","https://openalex.org/W2963444094","https://openalex.org/W2963622574","https://openalex.org/W2963805754","https://openalex.org/W2963969622","https://openalex.org/W2973140039","https://openalex.org/W2995459080","https://openalex.org/W3009672467","https://openalex.org/W3100640070","https://openalex.org/W3101637649","https://openalex.org/W3103426447","https://openalex.org/W3103833233","https://openalex.org/W3124319763","https://openalex.org/W6683448269"],"related_works":["https://openalex.org/W2114386333","https://openalex.org/W2079730482","https://openalex.org/W2206576460","https://openalex.org/W2031173804","https://openalex.org/W2538519144","https://openalex.org/W2167303720","https://openalex.org/W2012518269","https://openalex.org/W2109715593","https://openalex.org/W57688818","https://openalex.org/W1863436361"],"abstract_inverted_index":{"In":[0],"this":[1,118],"paper,":[2],"the":[3,13,30,38,49,56,60,64,76,81,83,96,129,154,159,174,201],"scheduling":[4],"of":[5,15,63,85,156,162],"downlink":[6],"file":[7,66,93],"transmission":[8,94],"in":[9,51],"one":[10],"cell":[11],"with":[12,18,105,140],"assistance":[14],"cache":[16,20,43,77],"nodes":[17],"finite":[19,72],"space":[21,78],"is":[22,98,149,198],"studied.":[23],"Specifically,":[24],"requesting":[25,39,191],"users":[26,40],"arrive":[27],"randomly":[28],"and":[29,41,68,88,178],"base":[31],"station":[32],"(BS)":[33],"reactively":[34],"multicasts":[35],"files":[36],"to":[37,75,117,132,152],"selected":[42],"nodes.":[44],"The":[45,181],"latter":[46],"can":[47],"offload":[48],"traffic":[50],"their":[52],"coverage":[53],"areas":[54],"from":[55],"BS.":[57],"We":[58,120,168],"consider":[59],"joint":[61],"optimization":[62],"abovementioned":[65],"placement":[67],"delivery":[69],"within":[70],"a":[71,101,106,141],"lifetime":[73],"subject":[74],"constraint.":[79],"Within":[80],"lifetime,":[82],"allocation":[84],"multicast":[86],"power":[87],"symbol":[89],"number":[90],"for":[91,200],"each":[92],"at":[95],"BS":[97],"formulated":[99],"as":[100],"dynamic":[102],"programming":[103],"problem":[104,131],"random":[107],"stage":[108,143],"number.":[109,144],"Note":[110],"that":[111],"there":[112],"are":[113,166,206],"no":[114],"existing":[115],"solutions":[116],"problem.":[119],"develop":[121],"an":[122,133],"asymptotically":[123],"optimal":[124],"solution":[125],"framework":[126],"by":[127],"transforming":[128],"original":[130],"equivalent":[134],"finite-horizon":[135],"Markov":[136],"decision":[137],"process":[138],"(MDP)":[139],"fixed":[142],"A":[145],"novel":[146],"approximation":[147,179],"approach":[148],"then":[150],"proposed":[151,199],"address":[153],"curse":[155],"dimensionality,":[157],"where":[158,203],"analytical":[160,171],"expressions":[161],"approximate":[163,182],"value":[164,176,183],"functions":[165,184],"provided.":[167],"also":[169],"derive":[170],"bounds":[172],"on":[173,186],"exact":[175],"function":[177],"error.":[180],"depend":[185],"some":[187],"system":[188],"statistics,":[189],"e.g.,":[190],"users\u2019":[192],"distribution.":[193],"One":[194],"reinforcement":[195],"learning":[196],"algorithm":[197],"scenario":[202],"these":[204],"statistics":[205],"unknown.":[207]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}