{"id":"https://openalex.org/W2112034062","doi":"https://doi.org/10.1109/glocom.2009.5426239","title":"Limited Feedback in Multiuser MIMO OFDM Systems Based on Rate Approximation","display_name":"Limited Feedback in Multiuser MIMO OFDM Systems Based on Rate Approximation","publication_year":2009,"publication_date":"2009-11-01","ids":{"openalex":"https://openalex.org/W2112034062","doi":"https://doi.org/10.1109/glocom.2009.5426239","mag":"2112034062"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2009.5426239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2009.5426239","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference","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/A5088989075","display_name":"Jan Schreck","orcid":"https://orcid.org/0000-0002-3034-6067"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jan Schreck","raw_affiliation_strings":["Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015245862","display_name":"Peter Jung","orcid":"https://orcid.org/0000-0001-7679-9697"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Peter Jung","raw_affiliation_strings":["Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044286247","display_name":"Gerhard Wunder","orcid":"https://orcid.org/0009-0001-0850-8816"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gerhard Wunder","raw_affiliation_strings":["Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer German-Sino Laboratory of Mobile Communications (MCI), Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Fraunhofer German-Sino Lab for Mobile Communications, Heinrich-Hertz-Institut, Berlin, Germany#TAB#","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062266142","display_name":"Michael Ohm","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]},{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Michael Ohm","raw_affiliation_strings":["Alcatel-Lucent, Bell Laboratories, Stuttgart, Germany","Alcatel-Lucent Bell Labs., Stuttgart"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel-Lucent, Bell Laboratories, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel-Lucent Bell Labs., Stuttgart","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108750558","display_name":"H.P. Mayer","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]},{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Hans-Peter Mayer","raw_affiliation_strings":["Alcatel-Lucent, Bell Laboratories, Stuttgart, Germany","Alcatel-Lucent Bell Labs., Stuttgart"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel-Lucent, Bell Laboratories, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel-Lucent Bell Labs., Stuttgart","institution_ids":["https://openalex.org/I72090969"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8015,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.85978317,"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":"1","last_page":"6"},"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":0.9995999932289124,"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/codebook","display_name":"Codebook","score":0.9946208000183105},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8589661121368408},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6752008199691772},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.667081356048584},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6523798108100891},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.578673243522644},{"id":"https://openalex.org/keywords/linde\u2013buzo\u2013gray-algorithm","display_name":"Linde\u2013Buzo\u2013Gray algorithm","score":0.49934840202331543},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.47588956356048584},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.46585613489151},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4500347971916199},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.44538748264312744},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3818782567977905},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20450055599212646},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.12005653977394104},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10950484871864319}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9946208000183105},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8589661121368408},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6752008199691772},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.667081356048584},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6523798108100891},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.578673243522644},{"id":"https://openalex.org/C93372532","wikidata":"https://www.wikidata.org/wiki/Q6552455","display_name":"Linde\u2013Buzo\u2013Gray algorithm","level":3,"score":0.49934840202331543},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.47588956356048584},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.46585613489151},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4500347971916199},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.44538748264312744},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3818782567977905},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20450055599212646},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.12005653977394104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10950484871864319},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/glocom.2009.5426239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2009.5426239","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:fraunhofer.de:N-169573","is_oa":false,"landing_page_url":"http://publica.fraunhofer.de/documents/N-169573.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400801","display_name":"Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fraunhofer HHI","raw_type":"Conference Paper"},{"id":"pmh:oai:publica.fraunhofer.de:publica/365422","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/365422","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W347411582","https://openalex.org/W1634005169","https://openalex.org/W1974891392","https://openalex.org/W2021179524","https://openalex.org/W2030546921","https://openalex.org/W2097225860","https://openalex.org/W2113271807","https://openalex.org/W2113588842","https://openalex.org/W2123755041","https://openalex.org/W2124858630","https://openalex.org/W2131262740","https://openalex.org/W2132317875","https://openalex.org/W2134383396","https://openalex.org/W2143927285","https://openalex.org/W2144528478","https://openalex.org/W2144898877","https://openalex.org/W2151795416","https://openalex.org/W2157276749","https://openalex.org/W2166112097","https://openalex.org/W6611723869","https://openalex.org/W6674612781","https://openalex.org/W6677010169","https://openalex.org/W6679407402"],"related_works":["https://openalex.org/W2096936443","https://openalex.org/W2081863301","https://openalex.org/W2352648934","https://openalex.org/W2365109233","https://openalex.org/W145510127","https://openalex.org/W2374856816","https://openalex.org/W1977098967","https://openalex.org/W2378932494","https://openalex.org/W2352292447","https://openalex.org/W2391875658"],"abstract_inverted_index":{"We":[0,130],"propose":[1],"a":[2,28,161],"new":[3],"limited":[4],"feedback":[5,34,101,118,122,133,155],"scheme":[6],"for":[7,46,68,85,138],"the":[8,21,37,59,69,75,86,92,100,103,106,114,117,121,128,142,149,153,166,171,178],"downlink":[9],"of":[10,49,54,66,74,99,105,116,152],"multiuser":[11,44,76],"MIMO":[12],"OFDM":[13],"systems":[14],"based":[15],"on":[16],"fixed":[17,29],"linear":[18,22],"beamforming,":[19],"i.e.":[20],"beamforming":[23,55],"vectors":[24,56],"are":[25],"chosen":[26],"from":[27],"transmit":[30,60,93],"codebook.":[31],"The":[32,72],"proposed":[33,154,172],"method":[35,156,173],"allows":[36],"base":[38],"station":[39],"to":[40,127],"uniformly":[41],"approximate":[42],"all":[43,64],"rates":[45,77,108],"any":[47,52],"selection":[48],"users":[50],"and":[51,120],"combination":[53],"defined":[57],"by":[58,80,112],"codebook;":[61],"thus":[62],"providing":[63],"degrees":[65],"freedom":[67],"user":[70],"selection.":[71],"approximation":[73],"is":[78],"enabled":[79],"using":[81,141],"an":[82],"additional":[83],"codebook":[84,94,119,123],"feedback.":[87],"This":[88],"has":[89],"several":[90],"advantages:":[91],"can":[95,109,124,135,157],"be":[96,110,125,136,158],"designed":[97,137],"independent":[98],"codebook,":[102],"accuracy":[104],"approximated":[107],"scaled":[111],"changing":[113],"size":[115],"adapted":[126],"environment.":[129],"show":[131,147],"how":[132,148],"codebooks":[134],"arbitrary":[139],"environments":[140],"LBG":[143],"algorithm.":[144],"Moreover,":[145],"we":[146,168],"computational":[150],"complexity":[151],"reduced":[159],"without":[160],"significant":[162],"performance":[163],"loss.":[164],"In":[165],"simulations":[167],"demonstrate":[169],"that":[170],"outperforms":[174],"other":[175],"methods":[176],"within":[177],"LTE":[179],"context.":[180]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}