{"id":"https://openalex.org/W4246047018","doi":"https://doi.org/10.1109/glocom.2014.7417487","title":"Vertical Beamforming with Downtilt Optimization in Downlink Cellular Networks","display_name":"Vertical Beamforming with Downtilt Optimization in Downlink Cellular Networks","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W4246047018","doi":"https://doi.org/10.1109/glocom.2014.7417487"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2014.7417487","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417487","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":"https://openalex.org/A5079422735","display_name":"Jiancun Fan","orcid":"https://orcid.org/0000-0002-7054-4324"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiancun Fan","raw_affiliation_strings":["School of EIE, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of EIE, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039289964","display_name":"Geoffrey Ye Li","orcid":"https://orcid.org/0000-0002-7894-2415"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Geoffrey Ye Li","raw_affiliation_strings":["Atlanta, Georgia Institute of Technology, GA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Atlanta, Georgia Institute of Technology, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101772528","display_name":"Xiaolong Zhu","orcid":"https://orcid.org/0000-0002-4174-5020"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaolong Zhu","raw_affiliation_strings":["Huawei Shanghai Research Institute, Shanghai, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Shanghai Research Institute, Shanghai, P. R. China","institution_ids":["https://openalex.org/I2250955327"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9988999962806702,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.998199999332428,"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/beamforming","display_name":"Beamforming","score":0.8407422304153442},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8055945634841919},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6354091167449951},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5675754547119141},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5396807789802551},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5207395553588867},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5023536682128906},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4936605393886566},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.46178704500198364},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.42798498272895813},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33773061633110046},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.26019686460494995},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2166157066822052},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17445698380470276},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16517624258995056},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.09143292903900146}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8407422304153442},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8055945634841919},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6354091167449951},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5675754547119141},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5396807789802551},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5207395553588867},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5023536682128906},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4936605393886566},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.46178704500198364},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.42798498272895813},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33773061633110046},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26019686460494995},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2166157066822052},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17445698380470276},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16517624258995056},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.09143292903900146},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2014.7417487","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417487","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1990690828","https://openalex.org/W2006615026","https://openalex.org/W2009166050","https://openalex.org/W2078471881","https://openalex.org/W2092877250","https://openalex.org/W2097736984","https://openalex.org/W2098126478","https://openalex.org/W2110659753","https://openalex.org/W2112923538","https://openalex.org/W2144272090","https://openalex.org/W2158979704","https://openalex.org/W2541204438","https://openalex.org/W6652305038","https://openalex.org/W6728919194"],"related_works":["https://openalex.org/W790449367","https://openalex.org/W4302568799","https://openalex.org/W1482197907","https://openalex.org/W1550567184","https://openalex.org/W2950729840","https://openalex.org/W2156248763","https://openalex.org/W2291764513","https://openalex.org/W4286569445","https://openalex.org/W4315783257","https://openalex.org/W2047743558"],"abstract_inverted_index":{"In":[0],"this":[1,34],"paper,":[2],"we":[3,36],"investigate":[4],"vertical":[5,62],"beamforming":[6,63],"with":[7,25,64],"antenna":[8,29,65],"downtilt":[9,66],"optimization":[10,40,67],"in":[11],"downlink":[12],"cellular":[13],"networks.":[14],"We":[15],"first":[16,37],"use":[17],"Gamma":[18],"distribution":[19],"to":[20,27,41,52],"approximate":[21],"the":[22,28,60],"achievable":[23],"sum-rates":[24],"respect":[26],"downtilts.":[30],"Then,":[31],"based":[32],"on":[33],"approximation,":[35],"formulate":[38],"an":[39],"maximize":[42],"system":[43,71],"throughput":[44],"and":[45],"then":[46],"propose":[47],"a":[48],"simple":[49],"heuristic":[50],"algorithm":[51],"find":[53],"its":[54],"solution.":[55],"Simulation":[56],"result":[57],"shows":[58],"that":[59],"proposed":[61],"can":[68],"significantly":[69],"improve":[70],"sum-rates.":[72]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}