{"id":"https://openalex.org/W3104205931","doi":"https://doi.org/10.1109/jsac.2016.2549398","title":"Energy Efficiency of Downlink Networks With Caching at Base Stations","display_name":"Energy Efficiency of Downlink Networks With Caching at Base Stations","publication_year":2016,"publication_date":"2016-03-31","ids":{"openalex":"https://openalex.org/W3104205931","doi":"https://doi.org/10.1109/jsac.2016.2549398","mag":"3104205931"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2016.2549398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2016.2549398","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":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1505.06615","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100407401","display_name":"Dong Liu","orcid":"https://orcid.org/0000-0002-0619-1480"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dong Liu","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082950698","display_name":"Chenyang Yang","orcid":"https://orcid.org/0000-0003-0058-0765"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenyang Yang","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100407401"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":36.734,"has_fulltext":false,"cited_by_count":198,"citation_normalized_percentile":{"value":0.99841446,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"34","issue":"4","first_page":"907","last_page":"922"},"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":0.9980000257492065,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9929999709129333,"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/backhaul","display_name":"Backhaul (telecommunications)","score":0.9359224438667297},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8539013266563416},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7542968988418579},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.7171459197998047},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6964772939682007},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5651403069496155},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5063949823379517},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4934748411178589},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.46095800399780273},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.41110673546791077},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11642876267433167}],"concepts":[{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.9359224438667297},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8539013266563416},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7542968988418579},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.7171459197998047},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6964772939682007},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5651403069496155},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5063949823379517},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4934748411178589},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.46095800399780273},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.41110673546791077},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11642876267433167},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jsac.2016.2549398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2016.2549398","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"},{"id":"pmh:oai:arXiv.org:1505.06615","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1505.06615","pdf_url":"https://arxiv.org/pdf/1505.06615","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1505.06615","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1505.06615","pdf_url":"https://arxiv.org/pdf/1505.06615","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":"Affordable and clean energy","score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1950380200","display_name":null,"funder_award_id":"61120106002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1510136794","https://openalex.org/W1551092876","https://openalex.org/W1555291764","https://openalex.org/W1581270336","https://openalex.org/W1938738734","https://openalex.org/W1970722330","https://openalex.org/W1988538402","https://openalex.org/W1988834815","https://openalex.org/W1994783589","https://openalex.org/W1997705516","https://openalex.org/W2005011175","https://openalex.org/W2005829247","https://openalex.org/W2009708702","https://openalex.org/W2016043591","https://openalex.org/W2019687200","https://openalex.org/W2020154694","https://openalex.org/W2030448197","https://openalex.org/W2034420299","https://openalex.org/W2036861524","https://openalex.org/W2043827481","https://openalex.org/W2045260235","https://openalex.org/W2051773775","https://openalex.org/W2061047274","https://openalex.org/W2068728923","https://openalex.org/W2069128569","https://openalex.org/W2070002903","https://openalex.org/W2072853671","https://openalex.org/W2077793016","https://openalex.org/W2080398289","https://openalex.org/W2081450055","https://openalex.org/W2089214485","https://openalex.org/W2096220631","https://openalex.org/W2096411785","https://openalex.org/W2103565019","https://openalex.org/W2105130377","https://openalex.org/W2109159967","https://openalex.org/W2112053513","https://openalex.org/W2112170521","https://openalex.org/W2132712787","https://openalex.org/W2143927285","https://openalex.org/W2150166076","https://openalex.org/W2154319347","https://openalex.org/W2156387609","https://openalex.org/W2158556800","https://openalex.org/W2160998222","https://openalex.org/W2212349120","https://openalex.org/W2547161317","https://openalex.org/W2963533254","https://openalex.org/W3098440968","https://openalex.org/W3101445254","https://openalex.org/W3104311449","https://openalex.org/W6657955557"],"related_works":["https://openalex.org/W4297310313","https://openalex.org/W2963149344","https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W4200445394","https://openalex.org/W2012551222","https://openalex.org/W2097644939","https://openalex.org/W4303414366","https://openalex.org/W2594059527"],"abstract_inverted_index":{"Caching":[0],"popular":[1],"contents":[2,176],"at":[3,21,150,177,214],"base":[4],"stations":[5],"(BSs)":[6],"can":[7,24,123,153],"reduce":[8],"the":[9,14,22,26,42,74,81,93,98,105,113,118,121,128,134,139,151,155,178,191,198],"backhaul":[10,54,199],"cost":[11],"and":[12,65,103,137,186,211],"improve":[13,25,154],"network":[15,135,156],"throughput.":[16],"Yet":[17],"whether":[18],"locally":[19],"caching":[20,149,167,174,192,213],"BSs":[23,152,179,216],"energy":[27],"efficiency":[28],"(EE),":[29],"a":[30],"major":[31],"goal":[32],"for":[33],"fifth":[34],"generation":[35],"cellular":[36],"networks,":[37],"remains":[38],"unclear.":[39],"Due":[40],"to":[41,80,91],"entangled":[43],"impact":[44],"of":[45,95,97,112,218],"various":[46],"factors":[47,76],"on":[48],"EE":[49,82,96,122,141,157,169,193],"such":[50],"as":[51],"interference":[52,203],"level,":[53],"capacity,":[55,67],"BS":[56,61],"density,":[57],"power":[58,159],"consumption":[59],"parameters,":[60],"sleeping,":[62],"content":[63,207],"popularity,":[64],"cache":[66,130,161],"another":[68],"important":[69],"question":[70],"is":[71,163,195,201,205,209],"what":[72],"are":[73],"key":[75,106],"that":[77,132,148,190],"contribute":[78],"more":[79,175],"gain":[83,142,170,194],"from":[84,125],"caching.":[85,145],"In":[86],"this":[87],"paper,":[88],"we":[89,116],"attempt":[90],"explore":[92],"potential":[94],"cache-enabled":[99],"wireless":[100],"access":[101],"networks":[102],"identify":[104],"factors.":[107],"By":[108],"deriving":[109],"closed-form":[110],"expression":[111],"approximated":[114],"EE,":[115,136],"provide":[117,182],"condition":[119],"when":[120,158,197,212],"benefit":[124],"caching,":[126,173],"find":[127],"optimal":[129],"capacity":[131,200],"maximizes":[133],"analyze":[138],"maximal":[140],"brought":[143],"by":[144],"We":[146],"show":[147,189],"efficient":[160],"hardware":[162],"used.":[164],"When":[165],"local":[166],"has":[168],"over":[171],"not":[172,181],"may":[180],"higher":[183],"EE.":[184],"Numerical":[185],"simulation":[187],"results":[188],"large":[196],"stringent,":[202],"level":[204],"low,":[206],"popularity":[208],"skewed,":[210],"pico":[215],"instead":[217],"macro":[219],"BSs.":[220]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":28},{"year":2019,"cited_by_count":50},{"year":2018,"cited_by_count":39},{"year":2017,"cited_by_count":22},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":1}],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2025-10-10T00:00:00"}
