{"id":"https://openalex.org/W2119016516","doi":"https://doi.org/10.1109/lsp.2011.2168206","title":"Decentralized Coordinated Downlink Beamforming via Primal Decomposition","display_name":"Decentralized Coordinated Downlink Beamforming via Primal Decomposition","publication_year":2011,"publication_date":"2011-09-22","ids":{"openalex":"https://openalex.org/W2119016516","doi":"https://doi.org/10.1109/lsp.2011.2168206","mag":"2119016516"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2011.2168206","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2011.2168206","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing 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/A5057476044","display_name":"Harri Pennanen","orcid":"https://orcid.org/0009-0000-9738-188X"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"H. Pennanen","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039827493","display_name":"Antti T\u00f6lli","orcid":"https://orcid.org/0000-0001-6219-9770"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"A. Tolli","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035872239","display_name":"Matti Latva\u2010aho","orcid":"https://orcid.org/0000-0002-6261-0969"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"M. Latva-aho","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"[Centre for Wireless Communication (CWC), University of Oulu, Oulu, Finland]","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":5.0591,"has_fulltext":false,"cited_by_count":58,"citation_normalized_percentile":{"value":0.95657762,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"18","issue":"11","first_page":"647","last_page":"650"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9991999864578247,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9987999796867371,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8215795755386353},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8089882135391235},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.7310926914215088},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6871180534362793},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.6782280802726746},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5901544690132141},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4524369239807129},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.44614192843437195},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.4346640110015869},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3275498151779175},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3041139245033264},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24813136458396912},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.18667948246002197},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1797271966934204},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.15293574333190918}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8215795755386353},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8089882135391235},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.7310926914215088},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6871180534362793},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.6782280802726746},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5901544690132141},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4524369239807129},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.44614192843437195},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.4346640110015869},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3275498151779175},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3041139245033264},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24813136458396912},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.18667948246002197},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1797271966934204},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.15293574333190918},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2011.2168206","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2011.2168206","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W312813459","https://openalex.org/W1583497301","https://openalex.org/W1919846929","https://openalex.org/W2109005286","https://openalex.org/W2118356983","https://openalex.org/W2121233130","https://openalex.org/W2131350052","https://openalex.org/W2155174176","https://openalex.org/W2161473225","https://openalex.org/W2162986857","https://openalex.org/W2296319761","https://openalex.org/W4250589301","https://openalex.org/W6610930706"],"related_works":["https://openalex.org/W2963149344","https://openalex.org/W4297310313","https://openalex.org/W4365807906","https://openalex.org/W2012551222","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W4200445394","https://openalex.org/W4303414366","https://openalex.org/W1724300815","https://openalex.org/W2097644939"],"abstract_inverted_index":{"This":[0],"letter":[1],"considers":[2],"the":[3,52,63,79,86],"design":[4],"problem":[5],"of":[6,39,62,70],"coordinated":[7],"downlink":[8],"minimum":[9],"power":[10],"beamforming":[11],"for":[12,56],"a":[13,30,57,67],"multiuser":[14],"multi-cell":[15],"network,":[16],"where":[17,36],"each":[18,47,75],"multi-antenna":[19],"base":[20],"station":[21],"(BS)":[22],"serves":[23],"multiple":[24],"single":[25],"antenna":[26],"users.":[27],"We":[28],"propose":[29],"decentralized":[31,65],"primal":[32],"decomposition":[33],"based":[34],"algorithm":[35],"limited":[37],"amount":[38],"information":[40,82],"is":[41,72,83],"exchanged":[42,80],"between":[43],"coupled":[44],"BSs":[45],"at":[46,74],"iteration.":[48],"Algorithm":[49],"converges":[50],"to":[51,92],"globally":[53],"optimal":[54],"solution":[55],"static":[58],"scenario.":[59],"Unlike":[60],"most":[61],"previous":[64],"methods,":[66],"feasible":[68],"set":[69],"beamformers":[71],"guaranteed":[73],"iteration":[76],"even":[77],"when":[78],"backhaul":[81],"outdated.":[84],"Consequently,":[85],"proposed":[87],"approach":[88],"naturally":[89],"lends":[90],"itself":[91],"realistic":[93],"time-correlated":[94],"fading":[95],"scenarios.":[96]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
