{"id":"https://openalex.org/W2152068588","doi":"https://doi.org/10.1109/glocom.2012.6503704","title":"Design method of relative magnitude coefficients considering rotation of basis vectors in interference space on the K-user MIMO interference channel for downlink system","display_name":"Design method of relative magnitude coefficients considering rotation of basis vectors in interference space on the K-user MIMO interference channel for downlink system","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W2152068588","doi":"https://doi.org/10.1109/glocom.2012.6503704","mag":"2152068588"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2012.6503704","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2012.6503704","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-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/A5103940566","display_name":"Kunitaka Matsumura","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kunitaka Matsumura","raw_affiliation_strings":["Department of Computer and Information Science, Keio University, Yokohama, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer and Information Science, Keio University, Yokohama, Kanagawa, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016337773","display_name":"Tomoaki Ohtsuki","orcid":"https://orcid.org/0000-0003-3961-1426"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomoaki Ohtsuki","raw_affiliation_strings":["Department of Computer and Information Science, Keio University, Yokohama, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer and Information Science, Keio University, Yokohama, Kanagawa, Japan","institution_ids":["https://openalex.org/I203951103"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103940566"],"corresponding_institution_ids":["https://openalex.org/I203951103"],"apc_list":null,"apc_paid":null,"fwci":0.249,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63127971,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"111","issue":"451","first_page":"3772","last_page":"3777"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9957000017166138,"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/singular-value-decomposition","display_name":"Singular value decomposition","score":0.6925112009048462},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6889650225639343},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.623181164264679},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6188263297080994},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.5509074926376343},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5354395508766174},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49358999729156494},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48972657322883606},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4602469801902771},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.44695955514907837},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4350472092628479},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.39552608132362366},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3721330165863037},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17802360653877258},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08645778894424438}],"concepts":[{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.6925112009048462},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6889650225639343},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.623181164264679},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6188263297080994},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.5509074926376343},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5354395508766174},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49358999729156494},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48972657322883606},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4602469801902771},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.44695955514907837},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4350472092628479},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.39552608132362366},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3721330165863037},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17802360653877258},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08645778894424438},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2012.6503704","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2012.6503704","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"mag:2916892241","is_oa":false,"landing_page_url":"https://www.ieice.org/ken/paper/20120309V0nW/eng/","pdf_url":null,"source":{"id":"https://openalex.org/S4306512848","display_name":"IEICE Technical Report; IEICE Tech. Rep.","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"IEICE Technical Report; IEICE Tech. Rep.","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.5899999737739563,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1964262399","https://openalex.org/W1979408141","https://openalex.org/W2106612364","https://openalex.org/W2136608712","https://openalex.org/W2146286097","https://openalex.org/W2153946652","https://openalex.org/W2162370583"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W2909457694","https://openalex.org/W3040536194","https://openalex.org/W2765319024"],"abstract_inverted_index":{"Recently,":[0],"to":[1,22,39,95,117,145,159],"improve":[2,118,129],"the":[3,19,23,36,58,64,68,77,80,86,106,110,119,130,134,147,155,161,165,175,184,191,196],"capacity":[4,88,121,182],"of":[5,79,99,109,114,164,168],"cell-edge":[6],"user,":[7],"interference":[8,27,41,115],"alignment":[9],"(IA)":[10],"is":[11,89,93],"an":[12],"intense":[13],"research":[14],"interest.":[15],"We":[16,187],"focus":[17],"on":[18],"IA":[20],"extended":[21],"multiple-input":[24],"multiple-output":[25],"(MIMO)":[26],"network.":[28],"In":[29,101],"this":[30,72,102],"method,":[31],"each":[32,49],"coordinated":[33],"transmitter":[34],"generates":[35],"beamforming":[37,65],"vector":[38],"align":[40],"from":[42],"different":[43],"transmitters":[44,62],"into":[45],"confined":[46],"subspace":[47],"at":[48],"receiver.":[50],"Then,":[51],"using":[52,122],"singular":[53],"value":[54,78],"decomposition":[55],"(SVD)":[56],"with":[57],"relative":[59,81,111],"magnitude":[60,82,112],"coefficients,":[61],"calculate":[63,146,160],"vectors":[66],"and":[67],"received":[69],"vectors.":[70],"However,":[71],"method":[73,108,127,140,158,177,193],"can":[74,128],"not":[75],"decide":[76],"coefficients":[83],"so":[84],"that":[85,174,190,194],"system":[87,120,131,135,181],"improved,":[90],"because":[91,138],"it":[92],"necessary":[94],"solve":[96],"non-linear":[97],"function":[98],"multivariable.":[100],"paper,":[103],"we":[104,153,172],"propose":[105,154],"design":[107],"coefficient":[113],"channels":[116],"Brent's":[123,139],"method.":[124],"The":[125],"proposed":[126,176,192],"capacity,":[132],"however,":[133],"complexity":[136,156,202],"increases":[137],"needs":[141,199],"multiple":[142],"SVD":[143],"calculation":[144],"null":[148,162,197],"space.":[149],"Therefore,":[150],"in":[151],"addition,":[152],"reduction":[157],"space":[163,198],"matrix":[166],"instead":[167],"SVD.":[169,204],"Through":[170],"simulation,":[171],"show":[173,189],"achieves":[178],"a":[179],"higher":[180],"than":[183,203],"conventional":[185],"one.":[186],"also":[188],"calculates":[195],"much":[200],"lower":[201]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
