{"id":"https://openalex.org/W2806446964","doi":"https://doi.org/10.1109/jsac.2018.2844658","title":"Hierarchical Edge Caching in Device-to-Device Aided Mobile Networks: Modeling, Optimization, and Design","display_name":"Hierarchical Edge Caching in Device-to-Device Aided Mobile Networks: Modeling, Optimization, and Design","publication_year":2018,"publication_date":"2018-06-06","ids":{"openalex":"https://openalex.org/W2806446964","doi":"https://doi.org/10.1109/jsac.2018.2844658","mag":"2806446964"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2018.2844658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2018.2844658","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/A5100413431","display_name":"Xiuhua Li","orcid":"https://orcid.org/0000-0001-9041-0297"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xiuhua Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada"],"raw_orcid":"https://orcid.org/0000-0001-9041-0297","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100363470","display_name":"Xiaofei Wang","orcid":"https://orcid.org/0000-0002-7223-1030"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofei Wang","raw_affiliation_strings":["Tianjin Key Laboratory of Advanced Networking, School of Computer Science and Technology, Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-7223-1030","affiliations":[{"raw_affiliation_string":"Tianjin Key Laboratory of Advanced Networking, School of Computer Science and Technology, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036031118","display_name":"Peng\u2010Jun Wan","orcid":"https://orcid.org/0000-0001-7926-5711"},"institutions":[{"id":"https://openalex.org/I180949307","display_name":"Illinois Institute of Technology","ror":"https://ror.org/037t3ry66","country_code":"US","type":"education","lineage":["https://openalex.org/I180949307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peng-Jun Wan","raw_affiliation_strings":["Department of Computer Science, Illinois Institute of Technology, Chicago, IL, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Illinois Institute of Technology, Chicago, IL, USA","institution_ids":["https://openalex.org/I180949307"]}]},{"author_position":"middle","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"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Zhu Han","raw_affiliation_strings":["Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea"],"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"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035919267","display_name":"Victor C. M. Leung","orcid":"https://orcid.org/0000-0003-3529-2640"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Victor C. M. Leung","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada"],"raw_orcid":"https://orcid.org/0000-0003-3529-2640","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":16.3011,"has_fulltext":false,"cited_by_count":143,"citation_normalized_percentile":{"value":0.99290518,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"36","issue":"8","first_page":"1768","last_page":"1785"},"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":0.993399977684021,"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/T12238","display_name":"Green IT and Sustainability","score":0.9846000075340271,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.9001888632774353},{"id":"https://openalex.org/keywords/cellular-traffic","display_name":"Cellular traffic","score":0.6430760622024536},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5791940093040466},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5081572532653809},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.4766405522823334},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.476521372795105},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.46599140763282776},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.45379722118377686},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4141899049282074},{"id":"https://openalex.org/keywords/mobile-computing","display_name":"Mobile computing","score":0.4102538824081421},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08477261662483215},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0804840624332428}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9001888632774353},{"id":"https://openalex.org/C133972139","wikidata":"https://www.wikidata.org/wiki/Q5058371","display_name":"Cellular traffic","level":3,"score":0.6430760622024536},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5791940093040466},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5081572532653809},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.4766405522823334},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.476521372795105},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.46599140763282776},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.45379722118377686},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4141899049282074},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.4102538824081421},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08477261662483215},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0804840624332428}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2018.2844658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2018.2844658","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":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G1864955472","display_name":null,"funder_award_id":"61529202","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2679165568","display_name":null,"funder_award_id":"RGPAS-462031-2014","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G3113351901","display_name":null,"funder_award_id":"CNS-1731424","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5072586218","display_name":null,"funder_award_id":"CNS-1646607","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6812819014","display_name":null,"funder_award_id":"CNS-1526638","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7069304596","display_name":null,"funder_award_id":"RGPIN-2014-06119","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G721611289","display_name":null,"funder_award_id":"CNS-1702850","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8436110985","display_name":null,"funder_award_id":"CNS-1717454","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"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1611674276","https://openalex.org/W1792562398","https://openalex.org/W1871877747","https://openalex.org/W1972738071","https://openalex.org/W2009708702","https://openalex.org/W2018682510","https://openalex.org/W2032122047","https://openalex.org/W2038519345","https://openalex.org/W2039739794","https://openalex.org/W2041920975","https://openalex.org/W2048124060","https://openalex.org/W2051773775","https://openalex.org/W2077054557","https://openalex.org/W2085733760","https://openalex.org/W2096220631","https://openalex.org/W2096411785","https://openalex.org/W2101108259","https://openalex.org/W2143487028","https://openalex.org/W2150495639","https://openalex.org/W2213621529","https://openalex.org/W2240416511","https://openalex.org/W2296319761","https://openalex.org/W2301955098","https://openalex.org/W2306649852","https://openalex.org/W2314048858","https://openalex.org/W2333682396","https://openalex.org/W2341443097","https://openalex.org/W2415651606","https://openalex.org/W2498604117","https://openalex.org/W2499447445","https://openalex.org/W2516839461","https://openalex.org/W2517241959","https://openalex.org/W2571838452","https://openalex.org/W2580643069","https://openalex.org/W2593548754","https://openalex.org/W2604281498","https://openalex.org/W2605355993","https://openalex.org/W2726218404","https://openalex.org/W2742536559","https://openalex.org/W2747746134","https://openalex.org/W2787070120","https://openalex.org/W2792108956","https://openalex.org/W2793571972","https://openalex.org/W2962831932","https://openalex.org/W2963155944","https://openalex.org/W2963372566","https://openalex.org/W2964138847","https://openalex.org/W3099607069","https://openalex.org/W3103426447","https://openalex.org/W3103833233","https://openalex.org/W3121574643","https://openalex.org/W4250589301","https://openalex.org/W6662496955","https://openalex.org/W6669706742","https://openalex.org/W6672193439","https://openalex.org/W6736119380"],"related_works":["https://openalex.org/W2039858536","https://openalex.org/W2740787378","https://openalex.org/W2152560098","https://openalex.org/W2276501992","https://openalex.org/W2774283532","https://openalex.org/W4320801776","https://openalex.org/W2942897781","https://openalex.org/W1564218952","https://openalex.org/W2538283180","https://openalex.org/W2001116016"],"abstract_inverted_index":{"The":[0],"explosive":[1],"growth":[2],"of":[3,13,25,59,67,83,99,104,120,126,162],"content":[4,49,68,135],"requests":[5,136],"from":[6,137],"mobile":[7,15,54,60,90,105,138],"users":[8,139],"is":[9,41],"stretching":[10],"the":[11,51,64,75,97,111,117,121,160,163],"capability":[12],"current":[14],"networking":[16],"technologies":[17],"to":[18,30,42],"satisfy":[19],"users'":[20],"demands":[21],"with":[22],"acceptable":[23],"quality":[24],"service.":[26],"An":[27],"effective":[28],"approach":[29],"address":[31,74],"this":[32,71],"challenge,":[33],"which":[34],"has":[35,144],"not":[36],"yet":[37],"been":[38],"thoroughly":[39],"studied,":[40],"offload":[43],"network":[44,122,128],"traffic":[45],"by":[46],"caching":[47,86],"popular":[48],"at":[50],"edges":[52],"(e.g.,":[53],"devices":[55],"and":[56,80,102,110,133,148],"base":[57],"stations)":[58],"networks,":[61],"thus":[62],"reducing":[63,130],"massive":[65],"duplication":[66],"downloads.":[69],"In":[70,92],"paper,":[72],"we":[73,115],"system":[76,113,131],"modeling,":[77],"large-scale":[78],"optimization,":[79],"framework":[81,143],"design":[82],"hierarchical":[84],"edge":[85],"in":[87,124,152],"device-to-device":[88],"aided":[89],"networks.":[91],"particular,":[93],"taking":[94],"into":[95],"account":[96],"analysis":[98],"social":[100],"behavior":[101],"preference":[103],"users,":[106],"heterogeneous":[107],"cache":[108],"sizes,":[109],"derived":[112],"topology,":[114],"investigate":[116],"maximum":[118],"capacity":[119],"infrastructure":[123],"terms":[125],"offloading":[127],"traffic,":[129],"costs,":[132],"supporting":[134],"locally.":[140],"Our":[141],"proposed":[142,164],"a":[145],"low":[146],"complexity":[147],"can":[149],"be":[150],"applied":[151],"practical":[153],"engineering":[154],"implementation.":[155],"Trace-based":[156],"simulation":[157],"results":[158],"demonstrate":[159],"effectiveness":[161],"framework.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":35},{"year":2019,"cited_by_count":24},{"year":2018,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}