{"id":"https://openalex.org/W2018189891","doi":"https://doi.org/10.1109/vetecf.2011.6093059","title":"Joint Combiner and Precoding in MU-MIMO Downlink Systems with Limited Feedback","display_name":"Joint Combiner and Precoding in MU-MIMO Downlink Systems with Limited Feedback","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2018189891","doi":"https://doi.org/10.1109/vetecf.2011.6093059","mag":"2018189891"},"language":"en","primary_location":{"id":"doi:10.1109/vetecf.2011.6093059","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6093059","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","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/A5100393104","display_name":"Guanghui Li","orcid":"https://orcid.org/0000-0001-8835-8346"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanghui Li","raw_affiliation_strings":["Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100327449","display_name":"Xin Zhang","orcid":"https://orcid.org/0000-0002-4086-1943"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Zhang","raw_affiliation_strings":["Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100667626","display_name":"Xiaoyi Liu","orcid":"https://orcid.org/0000-0001-7412-8080"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyi Liu","raw_affiliation_strings":["Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103431716","display_name":"Dacheng Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dacheng Yang","raw_affiliation_strings":["Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Theories and Technologies Laboratory (WT&T), Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"[Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China]","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"2009","issue":null,"first_page":"1","last_page":"4"},"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":0.9983000159263611,"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":0.9958999752998352,"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/precoding","display_name":"Precoding","score":0.9066246747970581},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7929931282997131},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6511484384536743},{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.6441454887390137},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.6343718767166138},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6266078352928162},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6022648811340332},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5876514911651611},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4880181849002838},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.42181509733200073},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.41802090406417847},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.41376814246177673},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36241501569747925},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3145921528339386},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3136049211025238},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3076772689819336},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.204015851020813}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9066246747970581},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7929931282997131},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6511484384536743},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.6441454887390137},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.6343718767166138},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6266078352928162},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6022648811340332},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5876514911651611},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4880181849002838},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42181509733200073},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.41802090406417847},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.41376814246177673},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36241501569747925},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3145921528339386},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3136049211025238},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3076772689819336},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.204015851020813},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecf.2011.6093059","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6093059","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2004224394","https://openalex.org/W2098126478","https://openalex.org/W2109870918","https://openalex.org/W2120103401","https://openalex.org/W2143927285","https://openalex.org/W2145743290","https://openalex.org/W2148985978","https://openalex.org/W2150764210","https://openalex.org/W2153731109","https://openalex.org/W2154466855","https://openalex.org/W2164497732","https://openalex.org/W3098592574","https://openalex.org/W6681358357","https://openalex.org/W7070528378"],"related_works":["https://openalex.org/W3207918248","https://openalex.org/W2130785056","https://openalex.org/W2123156148","https://openalex.org/W2111825998","https://openalex.org/W2506626932","https://openalex.org/W2014264654","https://openalex.org/W2037755532","https://openalex.org/W2244765103","https://openalex.org/W1624127656","https://openalex.org/W4385649691"],"abstract_inverted_index":{"In":[0,60,108],"this":[1],"paper,":[2],"we":[3,42],"consider":[4,43],"practical":[5],"multiuser":[6],"multiple-input":[7],"multiple-output":[8],"(MU-MIMO)":[9],"systems":[10],"where":[11],"each":[12,53,64],"user":[13,54,65,111],"has":[14],"multiple":[15],"receive":[16,49,86],"antennas":[17],"and":[18,32,55],"limited":[19],"channel":[20,82],"feedback":[21,92],"is":[22,38,114],"available":[23],"at":[24,52,57],"the":[25,44,48,58,61,68,75,80,85,90,95,100,121,126,135,139],"base":[26],"station":[27],"(BS).":[28],"The":[29],"joint":[30,45],"combiner":[31,51],"precoding":[33,56,101],"scheme":[34,137],"for":[35],"downlink":[36,144],"transmission":[37],"proposed,":[39],"in":[40],"which":[41,78],"use":[46],"of":[47,123,128,142],"antenna":[50,87],"BS.":[59],"proposed":[62,136],"scheme,":[63],"independently":[66],"chooses":[67],"codeword":[69],"as":[70],"its":[71],"preferred-beam":[72],"vector":[73],"from":[74,93],"predefined":[76],"codebook,":[77],"maximizes":[79],"effective":[81],"gain":[83],"after":[84],"combiner.":[88],"Utilizing":[89],"received":[91],"users,":[94,119],"BS":[96],"can":[97],"easily":[98],"construct":[99],"matrix":[102],"by":[103],"zero-forcing":[104],"beamforming":[105],"(ZFBF)":[106],"criterion.":[107],"addition,":[109],"a":[110],"selection":[112],"algorithm":[113],"provided":[115],"to":[116],"select":[117],"served":[118],"when":[120],"number":[122,127],"users":[124],"exceeds":[125],"transmit":[129],"antennas.":[130],"Numerical":[131],"results":[132],"show":[133],"that":[134],"improves":[138],"sum-rate":[140],"performance":[141],"MU-MIMO":[143],"systems.":[145]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}