{"id":"https://openalex.org/W3193170329","doi":"https://doi.org/10.1109/icc42927.2021.9500910","title":"Wireless Caching: Cell-Free versus Small Cells","display_name":"Wireless Caching: Cell-Free versus Small Cells","publication_year":2021,"publication_date":"2021-06-01","ids":{"openalex":"https://openalex.org/W3193170329","doi":"https://doi.org/10.1109/icc42927.2021.9500910","mag":"3193170329"},"language":"en","primary_location":{"id":"doi:10.1109/icc42927.2021.9500910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc42927.2021.9500910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2021 - IEEE International Conference on Communications","raw_type":"proceedings-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/A5066741814","display_name":"ShuaiFei Chen","orcid":"https://orcid.org/0000-0002-3920-9982"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuaifei Chen","raw_affiliation_strings":["School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100612301","display_name":"Jiayi Zhang","orcid":"https://orcid.org/0000-0003-2434-4329"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiayi Zhang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062293532","display_name":"Emil Bj\u00f6rnson","orcid":"https://orcid.org/0000-0002-5954-434X"},"institutions":[{"id":"https://openalex.org/I102134673","display_name":"Link\u00f6ping University","ror":"https://ror.org/05ynxx418","country_code":"SE","type":"education","lineage":["https://openalex.org/I102134673"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Emil Bjornson","raw_affiliation_strings":["Department of Electrical Engineering (ISY), Link\u00f6ping University, Link\u00f6ping, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering (ISY), Link\u00f6ping University, Link\u00f6ping, Sweden","institution_ids":["https://openalex.org/I102134673"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047862167","display_name":"Shuai Wang","orcid":"https://orcid.org/0000-0002-1381-9678"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Wang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008383657","display_name":"Chengwen Xing","orcid":"https://orcid.org/0000-0003-4941-3503"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengwen Xing","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100620739","display_name":"Bo Ai","orcid":"https://orcid.org/0000-0001-6850-0595"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5066741814"],"corresponding_institution_ids":["https://openalex.org/I21193070"],"apc_list":null,"apc_paid":null,"fwci":1.9867,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.86871899,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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":0.9976000189781189,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9891999959945679,"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":0.7962349057197571},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.7653303146362305},{"id":"https://openalex.org/keywords/tec","display_name":"TEC","score":0.75748211145401},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6300082206726074},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5702376365661621},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.541069746017456},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.47437936067581177},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4736436903476715},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.45629146695137024},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4523419737815857},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3269413709640503},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.1995512843132019},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1795251965522766},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.13051089644432068}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7962349057197571},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.7653303146362305},{"id":"https://openalex.org/C176379880","wikidata":"https://www.wikidata.org/wiki/Q18031939","display_name":"TEC","level":3,"score":0.75748211145401},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6300082206726074},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5702376365661621},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.541069746017456},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.47437936067581177},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4736436903476715},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.45629146695137024},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4523419737815857},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3269413709640503},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.1995512843132019},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1795251965522766},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.13051089644432068},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc42927.2021.9500910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc42927.2021.9500910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2021 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.9100000262260437}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1680189815","https://openalex.org/W1972738071","https://openalex.org/W2163794340","https://openalex.org/W2286275639","https://openalex.org/W2511171290","https://openalex.org/W2593893328","https://openalex.org/W2597206177","https://openalex.org/W2610350904","https://openalex.org/W2770606349","https://openalex.org/W2794673877","https://openalex.org/W2963092844","https://openalex.org/W2963415238","https://openalex.org/W2963611429","https://openalex.org/W2964042011","https://openalex.org/W2965123227","https://openalex.org/W2971066829","https://openalex.org/W2974046131","https://openalex.org/W3003174893","https://openalex.org/W3034448035","https://openalex.org/W3039424145","https://openalex.org/W3080932450","https://openalex.org/W3119363699","https://openalex.org/W6780003708"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2935909890","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W1531601525","https://openalex.org/W3049374486"],"abstract_inverted_index":{"Caching":[0],"popular":[1],"contents":[2],"at":[3],"a":[4,13,101,144],"large":[5],"number":[6],"of":[7,52,125],"access":[8],"points":[9],"and":[10,50,132,152],"edge-clouds":[11],"is":[12,92,110],"promising":[14],"solution":[15],"to":[16,73,94,112,158],"alleviate":[17],"the":[18,53,57,75,84,114,126],"increasing":[19],"backhaul":[20],"congestion":[21],"in":[22,123],"beyond":[23],"fifth-generation":[24],"(B5G)":[25],"networks.":[26],"By":[27],"integrating":[28],"with":[29,69,100,120],"cell-free":[30],"massive":[31],"multiple-input":[32],"multiple-output":[33],"(CF":[34],"mMIMO),":[35],"wireless":[36],"caching":[37,71],"can":[38,142],"harness":[39],"their":[40],"combined":[41],"virtues,":[42],"i.e.,":[43],"almost":[44],"uniform":[45,147],"service":[46],"quality,":[47],"strong":[48],"macro-diversity,":[49],"reduction":[51],"data":[54],"traffic":[55],"from":[56,83],"core":[58],"network.":[59],"In":[60],"this":[61],"paper,":[62],"we":[63],"consider":[64],"an":[65],"offline":[66],"cache-aided":[67],"scenario":[68],"two":[70],"strategies":[72],"minimize":[74],"total":[76],"energy":[77],"consumption":[78],"(TEC),":[79],"which":[80],"are":[81],"evaluated":[82],"cache":[85],"hit":[86],"probability":[87,130],"(CHP).":[88],"The":[89,135],"TEC":[90,155],"minimization":[91],"showed":[93],"be":[95],"NP-complete":[96],"and,":[97],"hence,":[98],"dealt":[99],"proposed":[102,111],"greedy":[103],"algorithm.":[104],"An":[105],"adaptive":[106],"power":[107],"control":[108],"policy":[109],"reduce":[113],"TEC.":[115],"We":[116],"compare":[117],"CF":[118,140],"mMIMO":[119,141],"small":[121],"cells":[122],"terms":[124],"successful":[127],"content":[128],"delivery":[129],"(SCDP)":[131],"TEC,":[133],"respectively.":[134],"numerical":[136],"results":[137],"show":[138],"that":[139],"offer":[143],"much":[145],"more":[146],"service,":[148],"significantly":[149],"higher":[150],"SCDP,":[151],"lower":[153],"average":[154],"when":[156],"compared":[157],"than":[159],"SC.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}