{"id":"https://openalex.org/W2065445096","doi":"https://doi.org/10.1109/wiopt.2009.5291589","title":"Transmit beamforming and power allocation for downlink OFDMA systems","display_name":"Transmit beamforming and power allocation for downlink OFDMA systems","publication_year":2009,"publication_date":"2009-06-01","ids":{"openalex":"https://openalex.org/W2065445096","doi":"https://doi.org/10.1109/wiopt.2009.5291589","mag":"2065445096"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/wiopt.2009.5291589","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5081667035","display_name":"Kazunori Hayashi","orcid":"https://orcid.org/0000-0002-3737-5135"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Hayashi","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018933402","display_name":"Takeshi Fujii","orcid":"https://orcid.org/0000-0002-0873-6202"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Fujii","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034520384","display_name":"Megumi Kaneko","orcid":"https://orcid.org/0000-0003-4943-4769"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Kaneko","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005166227","display_name":"Hideaki Sakai","orcid":"https://orcid.org/0000-0001-9839-1377"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Sakai","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University Yoshida-honmachi, Sakyo-ku, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073956776","display_name":"Yoshito Okada","orcid":"https://orcid.org/0000-0003-3830-079X"},"institutions":[{"id":"https://openalex.org/I161311093","display_name":"Sumitomo Electric Industries (United States)","ror":"https://ror.org/03msrn925","country_code":"US","type":"company","lineage":["https://openalex.org/I161311093"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. Okada","raw_affiliation_strings":["Sumitomo Electric Industries, Ltd., Kitahama, Chuo-ku, Osaka, 541-0041, JAPAN"],"affiliations":[{"raw_affiliation_string":"Sumitomo Electric Industries, Ltd., Kitahama, Chuo-ku, Osaka, 541-0041, JAPAN","institution_ids":["https://openalex.org/I161311093"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":0,"max":64},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9999,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9999,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994,"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/wsdma","display_name":"WSDMA","score":0.7529449},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6376833},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.60366076}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8977543},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.86353385},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.7529449},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.66602534},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6527859},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6376833},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.60366076},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.52331257},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.47847793},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.43917108},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.42279625},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4139879},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3975946},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39032698},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31329072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21986589},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.19811931},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.18854448},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16033688},{"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":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/wiopt.2009.5291589","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":17,"referenced_works":["https://openalex.org/W2049532134","https://openalex.org/W2105147943","https://openalex.org/W2108077180","https://openalex.org/W2109211694","https://openalex.org/W2121233130","https://openalex.org/W2124409123","https://openalex.org/W2138986309","https://openalex.org/W2144433515","https://openalex.org/W2152755575","https://openalex.org/W2154512502","https://openalex.org/W2162501577","https://openalex.org/W2163844889","https://openalex.org/W2163982637","https://openalex.org/W2183073665","https://openalex.org/W2187326887","https://openalex.org/W2478708596","https://openalex.org/W4252112222"],"related_works":["https://openalex.org/W4205136344","https://openalex.org/W2358076795","https://openalex.org/W2297763332","https://openalex.org/W2234839251","https://openalex.org/W2182481138","https://openalex.org/W2160442106","https://openalex.org/W2077426315","https://openalex.org/W2065871253","https://openalex.org/W2043467172","https://openalex.org/W2020968928"],"abstract_inverted_index":{"This":[0],"paper":[1],"considers":[2],"a":[3],"transmit":[4,101],"beamforming":[5,21,45,63,102],"and":[6,85,103],"subcarrier":[7,68],"power":[8,69,104,114],"allocation":[9,105,115],"method":[10,106],"for":[11,66,83],"orthogonal":[12],"frequency":[13],"division":[14],"multiple":[15],"access":[16],"(OFDMA)":[17],"systems.":[18],"As":[19,65],"the":[20,27,56,60,67,77,86,97,100,109,112],"vector":[22,46],"control":[23],"criterion,":[24],"we":[25],"employ":[26],"maximization":[28,87],"of":[29,59,79,88,91,99],"so-called":[30],"signal-to-leakage-plus-noise":[31],"ratio":[32,81],"(SLNR)":[33],"at":[34],"each":[35],"base":[36],"station,":[37],"which":[38],"enable":[39],"us":[40],"to":[41],"obtain":[42],"closed":[43],"form":[44],"by":[47],"using":[48],"only":[49],"locally":[50],"available":[51],"information.":[52],"We":[53],"also":[54],"discuss":[55],"local":[57],"optimality":[58],"SLNR":[61],"based":[62],"vector.":[64],"allocation,":[70],"two":[71,113],"different":[72],"approaches":[73],"are":[74],"employed,":[75],"namely,":[76],"equalization":[78],"signal-to-interference-plus-noise":[80],"(SINR)":[82],"subcarriers":[84],"sum":[89],"rate":[90],"subcarriers.":[92],"Computer":[93],"simulation":[94],"results":[95],"show":[96],"validity":[98],"with":[107],"highlighting":[108],"difference":[110],"between":[111],"algorithms.":[116]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2065445096","counts_by_year":[],"updated_date":"2024-12-09T22:47:06.758488","created_date":"2016-06-24"}