{"id":"https://openalex.org/W2169502696","doi":"https://doi.org/10.1109/lsp.2011.2171483","title":"Noniterative Coordinated Beamforming for Multiuser MIMO Systems With Limited Feedforward","display_name":"Noniterative Coordinated Beamforming for Multiuser MIMO Systems With Limited Feedforward","publication_year":2011,"publication_date":"2011-10-13","ids":{"openalex":"https://openalex.org/W2169502696","doi":"https://doi.org/10.1109/lsp.2011.2171483","mag":"2169502696"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2011.2171483","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2011.2171483","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/A5002646290","display_name":"Leonel Soriano-Equigua","orcid":"https://orcid.org/0000-0001-6673-2050"},"institutions":[{"id":"https://openalex.org/I64663401","display_name":"Center for Scientific Research and Higher Education at Ensenada","ror":"https://ror.org/04znhwb73","country_code":"MX","type":"facility","lineage":["https://openalex.org/I64663401"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"L. Soriano-Equigua","raw_affiliation_strings":["Department of Electronic and Telecommunications, CICESE Research Center, Ensenada, Baja California, Mexico"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommunications, CICESE Research Center, Ensenada, Baja California, Mexico","institution_ids":["https://openalex.org/I64663401"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005083164","display_name":"Jaime S\u00e1nchez","orcid":"https://orcid.org/0000-0001-7000-5702"},"institutions":[{"id":"https://openalex.org/I64663401","display_name":"Center for Scientific Research and Higher Education at Ensenada","ror":"https://ror.org/04znhwb73","country_code":"MX","type":"facility","lineage":["https://openalex.org/I64663401"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"J. Sanchez-Garcia","raw_affiliation_strings":["Department of Electronic and Telecommunications, CICESE Research Center, Ensenada, Baja California, Mexico"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommunications, CICESE Research Center, Ensenada, Baja California, Mexico","institution_ids":["https://openalex.org/I64663401"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047707019","display_name":"Jorge Flores\u2010Troncoso","orcid":"https://orcid.org/0000-0002-8383-6836"},"institutions":[{"id":"https://openalex.org/I47400469","display_name":"Universidad Aut\u00f3noma de Zacatecas \"Francisco Garc\u00eda Salinas\"","ror":"https://ror.org/01m296r74","country_code":"MX","type":"education","lineage":["https://openalex.org/I47400469"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"J. Flores-Troncoso","raw_affiliation_strings":["Faculty of Electrical Engineering, Autonomous University of Zacatecas, Zacatecas, Mexico"],"affiliations":[{"raw_affiliation_string":"Faculty of Electrical Engineering, Autonomous University of Zacatecas, Zacatecas, Mexico","institution_ids":["https://openalex.org/I47400469"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029812222","display_name":"Robert W. Heath","orcid":"https://orcid.org/0000-0002-4666-5628"},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. W. Heath","raw_affiliation_strings":["Wireless Networking and Communications Group, (WNCG), Department of Electrical and Computer Engineering, University of Texas, Austin, Austin, TX, USA"],"affiliations":[{"raw_affiliation_string":"Wireless Networking and Communications Group, (WNCG), Department of Electrical and Computer Engineering, University of Texas, Austin, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5002646290"],"corresponding_institution_ids":["https://openalex.org/I64663401"],"apc_list":null,"apc_paid":null,"fwci":1.0599,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.80930149,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"18","issue":"12","first_page":"701","last_page":"704"},"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/T12146","display_name":"Power Line Communications and Noise","score":0.9991000294685364,"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":0.9990000128746033,"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/beamforming","display_name":"Beamforming","score":0.7638435363769531},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.729468584060669},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6968321800231934},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6865098476409912},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6001695990562439},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5435852408409119},{"id":"https://openalex.org/keywords/feed-forward","display_name":"Feed forward","score":0.5415376424789429},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5391289591789246},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.5275644659996033},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5049880146980286},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.48985597491264343},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.44066858291625977},{"id":"https://openalex.org/keywords/degradation","display_name":"Degradation (telecommunications)","score":0.43971681594848633},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3931907117366791},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3828895092010498},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2660878896713257},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16332978010177612},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.13525936007499695},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12236177921295166},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10056382417678833},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.07683965563774109},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.06524243950843811}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7638435363769531},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.729468584060669},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6968321800231934},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6865098476409912},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6001695990562439},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5435852408409119},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.5415376424789429},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5391289591789246},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.5275644659996033},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5049880146980286},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.48985597491264343},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.44066858291625977},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.43971681594848633},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3931907117366791},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3828895092010498},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2660878896713257},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16332978010177612},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.13525936007499695},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12236177921295166},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10056382417678833},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.07683965563774109},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.06524243950843811},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2011.2171483","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2011.2171483","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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W2074863717","https://openalex.org/W2096895164","https://openalex.org/W2098249016","https://openalex.org/W2111451941","https://openalex.org/W2122437257","https://openalex.org/W2130509920","https://openalex.org/W2150764210","https://openalex.org/W2156004493","https://openalex.org/W2165732110","https://openalex.org/W2167848776","https://openalex.org/W3215058120"],"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/W2370038111","https://openalex.org/W2806013832","https://openalex.org/W2098086150","https://openalex.org/W2123934607"],"abstract_inverted_index":{"This":[0],"letter":[1],"proposes":[2],"three":[3,62],"methods":[4,41],"to":[5,29],"jointly":[6],"calculate":[7],"beamforming":[8],"and":[9],"combining":[10],"vectors":[11],"for":[12],"the":[13,27,31,35,39,52,72,76],"downlink":[14],"of":[15,26,38],"TDD":[16],"multiuser":[17],"multiple-input":[18],"multiple-output":[19],"systems.":[20],"The":[21,48],"algorithms":[22],"use":[23],"quantized":[24,77],"information":[25],"beamformers":[28],"get":[30],"corresponding":[32],"combiners,":[33],"maximizing":[34],"signal-to-interference-plus-noise-ratio.":[36],"Two":[37],"proposed":[40],"exceed":[42],"in":[43,59],"performance":[44],"those":[45],"already":[46],"published.":[47],"third":[49],"method":[50],"reduces":[51],"feedforward":[53],"overhead":[54],"with":[55],"a":[56,67],"light":[57],"degradation":[58],"performance.":[60],"Our":[61],"proposals":[63],"are":[64],"based":[65],"on":[66],"perfect":[68],"interference":[69],"cancellation":[70],"at":[71],"transmitter":[73],"before":[74],"calculating":[75],"beamformers.":[78]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}