{"id":"https://openalex.org/W3015338673","doi":"https://doi.org/10.1109/lwc.2019.2958929","title":"Energy-Aware Joint Clustering and Scheduling for Multicast Beamforming in Cloud-RAN Downlink","display_name":"Energy-Aware Joint Clustering and Scheduling for Multicast Beamforming in Cloud-RAN Downlink","publication_year":2019,"publication_date":"2019-12-13","ids":{"openalex":"https://openalex.org/W3015338673","doi":"https://doi.org/10.1109/lwc.2019.2958929","mag":"3015338673"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2019.2958929","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2958929","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5101986557","display_name":"Yanglin Zhou","orcid":"https://orcid.org/0000-0002-0428-7155"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]},{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanglin Zhou","raw_affiliation_strings":["Chinese Academy of Sciences, Shanghai Institute of Microsystem and Information Technology, Shanghai, China","School of Information Science and Technology, ShanghaiTech University, Shanghai, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0428-7155","affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Shanghai Institute of Microsystem and Information Technology, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]},{"raw_affiliation_string":"School of Information Science and Technology, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100744118","display_name":"Song Ci","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Song Ci","raw_affiliation_strings":["Department of Electrical Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4299-2365","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100397725","display_name":"Yang Yang","orcid":"https://orcid.org/0000-0003-0608-9408"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]},{"id":"https://openalex.org/I4210151021","display_name":"Shanghai Institute of Computing Technology","ror":"https://ror.org/05ek0ze18","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210151021"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Yang","raw_affiliation_strings":["Shanghai Institute of Fog Computing Technology, SCA, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-0608-9408","affiliations":[{"raw_affiliation_string":"Shanghai Institute of Fog Computing Technology, SCA, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I4210151021","https://openalex.org/I30809798"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2422,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.58602506,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"9","issue":"4","first_page":"461","last_page":"464"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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"}},{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9986000061035156,"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":0.7831994295120239},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.7383053302764893},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6516956686973572},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.6368172764778137},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6335785388946533},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.5927153825759888},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.5194682478904724},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5109502673149109},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4895695149898529},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.4812047779560089},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.42929479479789734},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.41806361079216003},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.3989329934120178},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.33852481842041016},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3349241614341736},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0941379964351654},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08469930291175842},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08360561728477478},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.07999873161315918}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7831994295120239},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.7383053302764893},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6516956686973572},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.6368172764778137},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6335785388946533},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.5927153825759888},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.5194682478904724},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5109502673149109},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4895695149898529},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.4812047779560089},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.42929479479789734},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.41806361079216003},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.3989329934120178},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.33852481842041016},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3349241614341736},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0941379964351654},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08469930291175842},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08360561728477478},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.07999873161315918},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2019.2958929","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2958929","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-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":[{"id":"https://openalex.org/G1637248431","display_name":"\u57fa\u4e8e\u533a\u5757\u94fe\u7684\u7269\u8054\u7f51\u5b89\u5168\u6280\u672f\u7814\u7a76","funder_award_id":"61932014","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3742654717","display_name":null,"funder_award_id":"2017YFB0102104","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program 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":15,"referenced_works":["https://openalex.org/W1928152501","https://openalex.org/W2144000019","https://openalex.org/W2162841150","https://openalex.org/W2211148590","https://openalex.org/W2256970999","https://openalex.org/W2537576348","https://openalex.org/W2612580893","https://openalex.org/W2750397832","https://openalex.org/W2766922107","https://openalex.org/W2788350651","https://openalex.org/W2790183137","https://openalex.org/W2890854615","https://openalex.org/W3102260762","https://openalex.org/W4293229790","https://openalex.org/W4361867455"],"related_works":["https://openalex.org/W2592537445","https://openalex.org/W2117039245","https://openalex.org/W2497039592","https://openalex.org/W4327983820","https://openalex.org/W2238502947","https://openalex.org/W2588899857","https://openalex.org/W2511268924","https://openalex.org/W2791638519","https://openalex.org/W2491296407","https://openalex.org/W2474288807"],"abstract_inverted_index":{"In":[0],"cloud":[1],"radio":[2,8],"access":[3],"network":[4,44,77],"(Cloud-RAN),":[5],"dense":[6],"remote":[7],"heads":[9],"(RRHs)":[10],"connect":[11],"to":[12,37,98],"baseband":[13],"unit":[14],"(BBU)":[15],"pool":[16],"through":[17],"optical":[18],"transport":[19],"link,":[20],"causing":[21],"significant":[22],"interference":[23,53],"and":[24,52,62,84,118],"power":[25],"consumption":[26],"in":[27,69],"multicast":[28,67],"downlinks.":[29],"Coordinated":[30],"beamforming":[31,68],"with":[32,46,81,115],"RRHs":[33],"clustering":[34,61],"is":[35,73,127],"expected":[36],"be":[38],"a":[39,76,95],"key":[40],"element":[41],"towards":[42],"improving":[43],"performance":[45,101],"more":[47],"consideration":[48],"of":[49,123],"energy":[50],"efficiency":[51],"management.":[54],"This":[55],"letter":[56],"proposes":[57],"an":[58,111],"energy-aware":[59],"joint":[60],"scheduling":[63],"(EA-JCS)":[64],"scheme":[65,126],"for":[66],"Cloud-RAN":[70],"downlink,":[71],"which":[72],"formulated":[74],"as":[75],"utility":[78],"maximization":[79],"problem":[80],"fractional":[82],"formulation":[83],"low-rank":[85],"constraints.":[86],"To":[87,105],"efficiently":[88],"solve":[89],"this":[90],"problem,":[91],"we":[92,109],"first":[93],"develop":[94],"heuristic":[96],"algorithm":[97,114],"provide":[99],"sub-optimal":[100],"by":[102,129],"Dinkelbach's":[103],"transformation.":[104],"handle":[106],"non-convex":[107],"formulation,":[108],"propose":[110],"iterative":[112],"approximation":[113,117],"linear":[116],"constraints":[119],"relaxation.":[120],"The":[121],"effectiveness":[122],"the":[124],"proposed":[125],"confirmed":[128],"simulations.":[130]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
