{"id":"https://openalex.org/W2795601417","doi":"https://doi.org/10.1155/2018/7532049","title":"Energy Efficient Caching in Backhaul\u2010Aware Cellular Networks with Dynamic Content Popularity","display_name":"Energy Efficient Caching in Backhaul\u2010Aware Cellular Networks with Dynamic Content Popularity","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2795601417","doi":"https://doi.org/10.1155/2018/7532049","mag":"2795601417"},"language":"en","primary_location":{"id":"doi:10.1155/2018/7532049","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/7532049","pdf_url":"http://downloads.hindawi.com/journals/wcmc/2018/7532049.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"http://downloads.hindawi.com/journals/wcmc/2018/7532049.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051665415","display_name":"Jiequ Ji","orcid":"https://orcid.org/0000-0003-0728-5662"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiequ Ji","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing"],"raw_orcid":"https://orcid.org/0000-0003-0728-5662","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000861569","display_name":"Kun Zhu","orcid":"https://orcid.org/0000-0001-6784-5583"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kun Zhu","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing"],"raw_orcid":"https://orcid.org/0000-0001-6784-5583","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100447486","display_name":"Ran Wang","orcid":"https://orcid.org/0000-0001-5601-0513"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Wang","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100443103","display_name":"Bing Chen","orcid":"https://orcid.org/0000-0002-2863-5441"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bing Chen","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing"],"raw_orcid":"https://orcid.org/0000-0002-2863-5441","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058470835","display_name":"Chen Dai","orcid":"https://orcid.org/0000-0001-9035-4539"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Dai","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5000861569"],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":{"value":2550,"currency":"USD","value_usd":2550},"apc_paid":{"value":2550,"currency":"USD","value_usd":2550},"fwci":1.7136,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.85819759,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2018","issue":"1","first_page":null,"last_page":null},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9941999912261963,"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":0.9646999835968018,"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":0.9087209701538086},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.8790839314460754},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6205452680587769},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.6134184002876282},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5964416265487671},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.24993199110031128}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9087209701538086},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.8790839314460754},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6205452680587769},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.6134184002876282},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5964416265487671},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.24993199110031128},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2018/7532049","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/7532049","pdf_url":"http://downloads.hindawi.com/journals/wcmc/2018/7532049.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:0b28ea737f01450d8ca92134639da3e5","is_oa":true,"landing_page_url":"https://doaj.org/article/0b28ea737f01450d8ca92134639da3e5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Wireless Communications and Mobile Computing, Vol 2018 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2018/7532049","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/7532049","pdf_url":"http://downloads.hindawi.com/journals/wcmc/2018/7532049.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1092848178","display_name":null,"funder_award_id":"BK20170805","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G4707204181","display_name":null,"funder_award_id":"BK20160874","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G5713782926","display_name":"\u8d85\u5bc6\u96c6\u5168\u53cc\u5de5\u5f02\u6784\u7f51\u7edc\u4e2d\u57fa\u4e8e\u4e0a\u884c\u4e0b\u884c\u89e3\u8026\u7684\u7528\u6237\u63a5\u5165\u673a\u5236\u7814\u7a76","funder_award_id":"61701230","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6450473011","display_name":null,"funder_award_id":"BK20160812","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7533241041","display_name":null,"funder_award_id":"BK20160812","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2795601417.pdf","grobid_xml":"https://content.openalex.org/works/W2795601417.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1551092876","https://openalex.org/W1555291764","https://openalex.org/W1611674276","https://openalex.org/W1938738734","https://openalex.org/W1988834815","https://openalex.org/W2009708702","https://openalex.org/W2020457803","https://openalex.org/W2020665443","https://openalex.org/W2024176568","https://openalex.org/W2036861524","https://openalex.org/W2039434047","https://openalex.org/W2043827481","https://openalex.org/W2045079727","https://openalex.org/W2045260235","https://openalex.org/W2051773775","https://openalex.org/W2054852454","https://openalex.org/W2061047274","https://openalex.org/W2070002903","https://openalex.org/W2081893537","https://openalex.org/W2089214485","https://openalex.org/W2112053513","https://openalex.org/W2118081897","https://openalex.org/W2154319347","https://openalex.org/W2226827734","https://openalex.org/W2396585661","https://openalex.org/W2477538127","https://openalex.org/W2554071906","https://openalex.org/W2593512535","https://openalex.org/W2598463752","https://openalex.org/W2810891561","https://openalex.org/W3103426447","https://openalex.org/W3104205931"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2368605798","https://openalex.org/W2518037665","https://openalex.org/W2348524959","https://openalex.org/W2477036161","https://openalex.org/W2191948661","https://openalex.org/W2951015761","https://openalex.org/W3010715985"],"abstract_inverted_index":{"Caching":[0],"popular":[1],"contents":[2],"at":[3],"base":[4],"stations":[5],"(BSs)":[6],"has":[7,41],"been":[8],"regarded":[9],"as":[10],"an":[11,43,169],"effective":[12],"approach":[13],"to":[14,20,34,146],"alleviate":[15],"the":[16,22,28,49,63,70,75,83,105,108,125,148,159,186,191],"backhaul":[17],"load":[18],"and":[19,33,73,111,164,177,194],"improve":[21,147],"quality":[23],"of":[24,204],"service.":[25],"To":[26,122],"meet":[27],"explosive":[29],"data":[30],"traffic":[31],"demand":[32],"save":[35],"energy":[36,38,84,162],"consumption,":[37],"efficiency":[39,163],"(EE)":[40],"become":[42],"extremely":[44],"important":[45],"performance":[46],"index":[47],"for":[48,61,65,167,184],"5th":[50],"generation":[51],"(5G)":[52],"cellular":[53,90],"networks.":[54],"In":[55,78],"general,":[56],"there":[57],"are":[58,102,113],"two":[59,95],"ways":[60],"improving":[62,69],"EE":[64,197],"caching,":[66],"that":[67,98,107,196],"is,":[68],"cache\u2010hit":[71,149],"rate":[72,150],"optimizing":[74],"cache":[76,165,182,205],"size.":[77],"this":[79],"work,":[80],"we":[81,129,140,157],"investigate":[82],"efficient":[85],"caching":[86,144],"problem":[87],"in":[88,116,151],"backhaul\u2010aware":[89],"networks":[91],"jointly":[92],"considering":[93],"these":[94],"approaches.":[96],"Note":[97],"most":[99],"existing":[100],"works":[101],"based":[103,133],"on":[104,134],"assumption":[106],"content":[109,118,127],"catalog":[110],"popularity":[112,119],"static.":[114],"However,":[115],"practice,":[117],"is":[120,171],"dynamic.":[121],"timely":[123],"estimate":[124],"dynamic":[126,154],"popularity,":[128],"propose":[130,141],"a":[131,142,153,179],"method":[132],"shot":[135],"noise":[136],"model":[137],"(SNM).":[138],"Then":[139],"distributed":[143],"policy":[145],"such":[152],"environment.":[155],"Furthermore,":[156],"analyze":[158],"tradeoff":[160],"between":[161],"capacity":[166,183],"which":[168],"optimization":[170],"formulated.":[172],"We":[173],"prove":[174],"its":[175],"convexity":[176],"derive":[178],"closed\u2010form":[180],"optimal":[181],"maximizing":[185],"EE.":[187],"Simulation":[188],"results":[189],"validate":[190],"proposed":[192],"scheme":[193],"show":[195],"can":[198],"be":[199],"improved":[200],"with":[201],"appropriate":[202],"choice":[203],"capacity.":[206]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":5}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}