{"id":"https://openalex.org/W2079648788","doi":"https://doi.org/10.1109/wsa.2008.4475551","title":"Time-sharing solutions in MIMO broadcast channel utility maximization","display_name":"Time-sharing solutions in MIMO broadcast channel utility maximization","publication_year":2008,"publication_date":"2008-02-01","ids":{"openalex":"https://openalex.org/W2079648788","doi":"https://doi.org/10.1109/wsa.2008.4475551","mag":"2079648788"},"language":"en","primary_location":{"id":"doi:10.1109/wsa.2008.4475551","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2008.4475551","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 International ITG Workshop on Smart Antennas","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/A5044457154","display_name":"Johannes Brehmer","orcid":null},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Johannes Brehmer","raw_affiliation_strings":["Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","Tech. Univ. Munchen, Munich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Tech. Univ. Munchen, Munich","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018298242","display_name":"Qing Bai","orcid":null},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Qing Bai","raw_affiliation_strings":["Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","Tech. Univ. Munchen, Munich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Tech. Univ. Munchen, Munich","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004140094","display_name":"Wolfgang Utschick","orcid":"https://orcid.org/0000-0002-2871-4246"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Utschick","raw_affiliation_strings":["Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","Tech. Univ. Munchen, Munich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate Institute for Signal Processing, Technische Universit\u00e4t M\u00fcnchen, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Tech. Univ. Munchen, Munich","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I62916508"],"apc_list":null,"apc_paid":null,"fwci":0.4744,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.5506086,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"153","last_page":"156"},"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":0.9994000196456909,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9994000196456909,"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/mimo","display_name":"MIMO","score":0.7637674808502197},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.654386043548584},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5817582011222839},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5696468949317932},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5669143795967102},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5370020270347595},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.5031852126121521},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.4886813461780548},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4866788983345032},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44341564178466797},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.441392719745636},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.42702263593673706},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3950008451938629},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1727038025856018},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08109685778617859}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7637674808502197},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.654386043548584},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5817582011222839},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5696468949317932},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5669143795967102},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5370020270347595},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.5031852126121521},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.4886813461780548},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4866788983345032},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44341564178466797},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.441392719745636},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.42702263593673706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3950008451938629},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1727038025856018},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08109685778617859},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wsa.2008.4475551","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2008.4475551","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 International ITG Workshop on Smart Antennas","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2030546921","https://openalex.org/W2098779032","https://openalex.org/W2122623268","https://openalex.org/W2129533376","https://openalex.org/W2140123738","https://openalex.org/W2161410889","https://openalex.org/W2167988857","https://openalex.org/W6684844492"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2026727497","https://openalex.org/W4388520214","https://openalex.org/W2164866798","https://openalex.org/W1976502299","https://openalex.org/W1972125288"],"abstract_inverted_index":{"The":[0],"problem":[1],"of":[2,10,38,41,55,68,94,116],"maximizing":[3],"a":[4,15,28,36,52,60,92,105],"utility":[5],"function":[6],"over":[7],"the":[8,22,42,47,65,108,123,126],"set":[9,37],"achievable":[11],"rate":[12,24,49],"vectors":[13],"in":[14,27,104],"MIMO":[16,63],"broadcast":[17],"channel":[18],"is":[19,32,51,71,78,98],"considered.":[20],"If":[21],"optimum":[23,48,124],"vector":[25,50],"lies":[26],"time-sharing":[29,43,109],"region,":[30],"it":[31],"necessary":[33],"to":[34,121],"identify":[35],"corner":[39,57,69,76,96,113,137],"points":[40,70,77,97,138],"region":[44,110],"such":[45],"that":[46,103],"convex":[53],"combination":[54],"these":[56],"points.":[58],"In":[59,84],"K":[61,118,134],"user":[62],"BC,":[64],"maximum":[66],"number":[67],"K!,":[72],"thus":[73],"enumerating":[74],"all":[75],"only":[79],"feasible":[80],"for":[81,90],"small":[82],"K.":[83],"this":[85],"work,":[86],"an":[87],"efficient":[88],"algorithm":[89,128],"identifying":[91],"subset":[93],"relevant":[95],"proposed.":[99],"Simulation":[100],"results":[101],"show":[102],"scenario":[106],"where":[107],"has":[111],"K!":[112],"points,":[114],"out":[115],"which":[117],"are":[119],"required":[120],"construct":[122],"rate,":[125],"proposed":[127],"on":[129],"average":[130],"computes":[131],"less":[132],"than":[133],"+":[135],"1":[136],"until":[139],"convergence.":[140]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
