{"id":"https://openalex.org/W2916843629","doi":"https://doi.org/10.1109/glocom.2018.8647797","title":"Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks","display_name":"Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks","publication_year":2018,"publication_date":"2018-12-01","ids":{"openalex":"https://openalex.org/W2916843629","doi":"https://doi.org/10.1109/glocom.2018.8647797","mag":"2916843629"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2018.8647797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5067841793","display_name":"Bojie Lv","orcid":"https://orcid.org/0009-0007-2437-7397"},"institutions":[{"id":"https://openalex.org/I4210110806","display_name":"Institute of Management Business and Law","ror":"https://ror.org/01zs84n26","country_code":"RU","type":"facility","lineage":["https://openalex.org/I4210110806"]},{"id":"https://openalex.org/I74969885","display_name":"Southern University","ror":"https://ror.org/05bg0c903","country_code":"BD","type":"education","lineage":["https://openalex.org/I74969885"]}],"countries":["BD","RU"],"is_corresponding":false,"raw_author_name":"Bojie Lv","raw_affiliation_strings":["Southern University of Scienece and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southern University of Scienece and Technology","institution_ids":["https://openalex.org/I4210110806","https://openalex.org/I74969885"]}]},{"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/I4210110806","display_name":"Institute of Management Business and Law","ror":"https://ror.org/01zs84n26","country_code":"RU","type":"facility","lineage":["https://openalex.org/I4210110806"]},{"id":"https://openalex.org/I74969885","display_name":"Southern University","ror":"https://ror.org/05bg0c903","country_code":"BD","type":"education","lineage":["https://openalex.org/I74969885"]}],"countries":["BD","RU"],"is_corresponding":false,"raw_author_name":"Rui Wang","raw_affiliation_strings":["Southern University of Scienece and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southern University of Scienece and Technology","institution_ids":["https://openalex.org/I4210110806","https://openalex.org/I74969885"]}]},{"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":["Shanghai Jiao Tong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University","institution_ids":["https://openalex.org/I183067930"]}]},{"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":["University of Science and Technology of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6785,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67528456,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"65","issue":null,"first_page":"1","last_page":"7"},"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.992900013923645,"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":0.9891999959945679,"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":0.832062304019928},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.707243800163269},{"id":"https://openalex.org/keywords/markov-decision-process","display_name":"Markov decision process","score":0.5657404661178589},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.480032354593277},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4587858021259308},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4293915033340454},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4233136773109436},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4112812876701355},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.36468321084976196},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.30534040927886963},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.29833561182022095},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.29548636078834534},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2251335084438324},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10450035333633423}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.832062304019928},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.707243800163269},{"id":"https://openalex.org/C106189395","wikidata":"https://www.wikidata.org/wiki/Q176789","display_name":"Markov decision process","level":3,"score":0.5657404661178589},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.480032354593277},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4587858021259308},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4293915033340454},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4233136773109436},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4112812876701355},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.36468321084976196},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.30534040927886963},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.29833561182022095},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29548636078834534},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2251335084438324},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10450035333633423},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2018.8647797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1611674276","https://openalex.org/W2070159177","https://openalex.org/W2098432798","https://openalex.org/W2106248279","https://openalex.org/W2112053513","https://openalex.org/W2294354713","https://openalex.org/W2416516071","https://openalex.org/W2584291500","https://openalex.org/W2604281498","https://openalex.org/W2963012960","https://openalex.org/W2963155944","https://openalex.org/W2963805754","https://openalex.org/W2963969622","https://openalex.org/W3103426447","https://openalex.org/W3124319763","https://openalex.org/W6735777711"],"related_works":["https://openalex.org/W2033488476","https://openalex.org/W2131092765","https://openalex.org/W2277662012","https://openalex.org/W1589992863","https://openalex.org/W4377015086","https://openalex.org/W1617457131","https://openalex.org/W2315999538","https://openalex.org/W187740018","https://openalex.org/W2162286586","https://openalex.org/W4255368532"],"abstract_inverted_index":{"In":[0,65],"this":[1],"paper,":[2],"the":[3,11,19,44,51,57,70,95,100,104,110,123,134,138,153,165],"downlink":[4],"file":[5,39,53,61,80],"transmission":[6,40,73,101],"in":[7,33,77,152],"one":[8,38,78],"cell":[9],"with":[10,88],"assistance":[12],"of":[13,60,72,92,125,137],"cache":[14,27,45],"nodes":[15,28],"is":[16,97,107,131,168],"studied.":[17],"Specifically,":[18],"base":[20],"station":[21],"(BS)":[22],"reactively":[23],"delivers":[24],"files":[25],"to":[26,43,98,122],"and":[29,63,75],"a":[30,34,83,89,117,127],"requesting":[31],"user":[32],"multicast":[35],"manner.":[36],"Therefore,":[37],"may":[41],"lead":[42],"status":[46],"update,":[47],"which":[48,150],"further":[49],"affects":[50],"future":[52],"transmissions.":[54],"We":[55],"consider":[56],"joint":[58],"optimization":[59,71],"placement":[62],"delivery.":[64],"particular,":[66],"we":[67],"first":[68],"formulate":[69],"power":[74],"time":[76],"finite":[79],"lifetime":[81],"as":[82],"Markov":[84],"Decision":[85],"Process":[86],"(MDP)":[87],"random":[90],"number":[91],"stages,":[93],"where":[94,133],"objective":[96],"minimize":[99],"resource":[102],"at":[103],"BS.":[105],"It":[106],"shown":[108],"that":[109],"optimal":[111],"solution":[112],"can":[113,141,158],"be":[114,142,159],"obtained":[115],"via":[116],"revised":[118],"Bellman's":[119,139],"equation.":[120],"Due":[121],"curse":[124],"dimensionality,":[126],"novel":[128],"approximation":[129,166],"approach":[130],"proposed,":[132],"value":[135],"functions":[136],"equation":[140],"calculated":[143],"from":[144],"analytical":[145],"expressions.":[146],"Hence,":[147],"iterative":[148],"algorithms,":[149],"appear":[151],"general":[154],"approximate":[155],"MDP":[156],"solutions,":[157],"avoided.":[160],"Moreover,":[161],"an":[162],"bound":[163],"on":[164],"error":[167],"also":[169],"provided.":[170]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
