{"id":"https://openalex.org/W2958988029","doi":"https://doi.org/10.1109/icc.2019.8761347","title":"Joint Content Placement, RRH Clustering and Beamforming for Cache-Enabled Cloud-RAN","display_name":"Joint Content Placement, RRH Clustering and Beamforming for Cache-Enabled Cloud-RAN","publication_year":2019,"publication_date":"2019-05-01","ids":{"openalex":"https://openalex.org/W2958988029","doi":"https://doi.org/10.1109/icc.2019.8761347","mag":"2958988029"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2019.8761347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2019.8761347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2019 - 2019 IEEE International Conference on Communications (ICC)","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":null,"display_name":"Ming-Min Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ming-Min Zhao","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034376590","display_name":"Yunlong Cai","orcid":"https://orcid.org/0000-0001-9418-1700"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunlong Cai","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Min-Jian Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CA","CN"],"is_corresponding":false,"raw_author_name":"Min-Jian Zhao","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"last","author":{"id":null,"display_name":"Benoit Champagne","orcid":null},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Benoit Champagne","raw_affiliation_strings":["Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2018,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.75770047,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2","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":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":0.9970999956130981,"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":0.9887999892234802,"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":0.8166666626930237},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.6913480162620544},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6841541528701782},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6601563692092896},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.5618100166320801},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5605695843696594},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5560464859008789},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5481014251708984},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.5321091413497925},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.45055603981018066},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.42255887389183044},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.37825092673301697},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.3781132400035858},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36023756861686707},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17367833852767944},{"id":"https://openalex.org/keywords/mobile-station","display_name":"Mobile station","score":0.10004189610481262},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.097095787525177},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09582370519638062}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8166666626930237},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.6913480162620544},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6841541528701782},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6601563692092896},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.5618100166320801},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5605695843696594},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5560464859008789},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5481014251708984},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.5321091413497925},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.45055603981018066},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.42255887389183044},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37825092673301697},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.3781132400035858},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36023756861686707},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17367833852767944},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.10004189610481262},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.097095787525177},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09582370519638062},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2019.8761347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2019.8761347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2019 - 2019 IEEE International Conference on Communications (ICC)","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":33,"referenced_works":["https://openalex.org/W1611674276","https://openalex.org/W1928152501","https://openalex.org/W1967956032","https://openalex.org/W1972205959","https://openalex.org/W1972738071","https://openalex.org/W2004101329","https://openalex.org/W2038519345","https://openalex.org/W2039090559","https://openalex.org/W2057624533","https://openalex.org/W2079587612","https://openalex.org/W2081893537","https://openalex.org/W2122186362","https://openalex.org/W2160547390","https://openalex.org/W2210084516","https://openalex.org/W2213621529","https://openalex.org/W2226827734","https://openalex.org/W2306649852","https://openalex.org/W2405190381","https://openalex.org/W2490965583","https://openalex.org/W2547161317","https://openalex.org/W2601341989","https://openalex.org/W2621249430","https://openalex.org/W2774422416","https://openalex.org/W2963040956","https://openalex.org/W2963360080","https://openalex.org/W3012080241","https://openalex.org/W3099607069","https://openalex.org/W3101474566","https://openalex.org/W3103426447","https://openalex.org/W3103833233","https://openalex.org/W4285719527","https://openalex.org/W6747033292","https://openalex.org/W6775638715"],"related_works":["https://openalex.org/W2592537445","https://openalex.org/W2117039245","https://openalex.org/W2497039592","https://openalex.org/W2436923341","https://openalex.org/W4327983820","https://openalex.org/W2238502947","https://openalex.org/W2588899857","https://openalex.org/W2511268924","https://openalex.org/W2791638519","https://openalex.org/W2474288807"],"abstract_inverted_index":{"This":[0],"work":[1],"studies":[2],"the":[3,23,44,68,73,77,85,118,127,146,161,164],"joint":[4],"problem":[5],"of":[6,163],"optimal":[7],"content":[8],"placement,":[9,87],"RRH":[10,55],"clustering":[11],"and":[12,90,107,155],"beamformer":[13],"design,":[14],"in":[15,97],"a":[16,33,59,101],"cache-enabled":[17],"cloud-radio":[18],"access":[19],"network":[20],"(C-RAN).":[21],"In":[22],"considered":[24],"system,":[25],"multiple":[26],"remote":[27],"radio":[28],"heads":[29],"(RRHs)":[30],"connected":[31],"to":[32,75,82,99,116,131,144],"centralized":[34],"baseband":[35],"unit":[36],"(BBU)":[37],"pool":[38],"via":[39],"fronthaul":[40,78,104],"links,":[41],"cooperatively":[42],"serve":[43],"downlink":[45,91],"users":[46],"by":[47],"grouping":[48],"them":[49],"into":[50],"potentially":[51],"overlapping":[52],"clusters.":[53],"Each":[54],"is":[56,142],"equipped":[57],"with":[58],"local":[60],"cache":[61],"from":[62],"which":[63,151],"it":[64],"can":[65],"directly":[66],"acquire":[67],"requested":[69],"user":[70,88],"contents,":[71],"without":[72],"need":[74],"occupy":[76],"links.":[79],"We":[80],"aim":[81],"jointly":[83],"optimize":[84],"caching":[86,133],"association":[89],"beamforming":[92],"vector":[93],"at":[94],"each":[95],"RRH,":[96],"order":[98],"strike":[100],"balance":[102],"between":[103,120],"traffic":[105],"reduction":[106],"transmission":[108],"power":[109],"minimization.":[110],"To":[111],"this":[112],"end,":[113],"we":[114],"propose":[115],"employ":[117],"ratio":[119],"these":[121],"two":[122],"important":[123],"system":[124],"utilities":[125],"as":[126,132],"objective":[128],"function,":[129],"referred":[130],"efficiency.":[134],"A":[135],"penalty":[136],"dual":[137],"decomposition":[138],"(PDD)":[139],"based":[140],"algorithm":[141],"presented":[143],"address":[145],"resulting":[147],"nonconvex":[148],"optimization":[149],"problem,":[150],"features":[152],"coupling":[153],"constraints":[154],"mixed-integer":[156],"variables.":[157],"Simulation":[158],"results":[159],"validate":[160],"efficiency":[162],"proposed":[165],"algorithm.":[166]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}