{"id":"https://openalex.org/W2154378159","doi":"https://doi.org/10.1109/pimrc.2008.4699644","title":"Feedback delay in precoded spatial multiplexing MIMO systems","display_name":"Feedback delay in precoded spatial multiplexing MIMO systems","publication_year":2008,"publication_date":"2008-09-01","ids":{"openalex":"https://openalex.org/W2154378159","doi":"https://doi.org/10.1109/pimrc.2008.4699644","mag":"2154378159"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2008.4699644","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2008.4699644","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5046644040","display_name":"A. S. Khrwat","orcid":null},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. S. Khrwat","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087572051","display_name":"B.S. Sharif","orcid":"https://orcid.org/0000-0002-8679-4272"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"B. S. Sharif","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028260246","display_name":"Charalampos C. Tsimenidis","orcid":"https://orcid.org/0000-0003-2247-3397"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C. C. Tsimenidis","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025064240","display_name":"Said Boussakta","orcid":"https://orcid.org/0000-0001-8591-9005"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"S. Boussakta","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113492816","display_name":"St\u00e9phane Y. Le Goff","orcid":null},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"S. Y. Le Goff","raw_affiliation_strings":["School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Computer Engineering, University of Newcastle, UK","institution_ids":["https://openalex.org/I84884186"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I84884186"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"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":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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998000264167786,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.7724559307098389},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7615913152694702},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7584673166275024},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7549753189086914},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6147760152816772},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5641770362854004},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5456098914146423},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.507689356803894},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.45131799578666687},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4465944170951843},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4431031048297882},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4408326745033264},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4154682457447052},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36931198835372925},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20841309428215027},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15929901599884033},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1337733268737793},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06477200984954834}],"concepts":[{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.7724559307098389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7615913152694702},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7584673166275024},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7549753189086914},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6147760152816772},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5641770362854004},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5456098914146423},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.507689356803894},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.45131799578666687},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4465944170951843},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4431031048297882},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4408326745033264},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4154682457447052},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36931198835372925},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20841309428215027},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15929901599884033},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1337733268737793},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06477200984954834},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2008.4699644","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2008.4699644","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1492221128","https://openalex.org/W1534230233","https://openalex.org/W2115573600","https://openalex.org/W2118458358","https://openalex.org/W2119087108","https://openalex.org/W2140050892","https://openalex.org/W2149600388","https://openalex.org/W2161515500"],"related_works":["https://openalex.org/W2216248654","https://openalex.org/W2402142910","https://openalex.org/W2116541631","https://openalex.org/W1517014499","https://openalex.org/W4383558088","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W2578955643","https://openalex.org/W1976511355","https://openalex.org/W2141031289"],"abstract_inverted_index":{"Precoded":[0],"spatial":[1,35],"multiplexing":[2,36],"multiple-input":[3],"multiple-output":[4],"(MIMO)":[5],"systems":[6,38],"using":[7,101,111],"limited":[8],"feedback":[9,17,25,44,63,95],"have":[10],"been":[11],"extensively":[12],"studied":[13],"to":[14,29,40,77],"reduce":[15,30],"the":[16,21,43,53,58,62,68,75,79,82,92,115],"information":[18],"based":[19],"on":[20],"notion":[22],"of":[23,33,57,70,94,106],"delay-free":[24],"channel.":[26],"In":[27],"order":[28],"performance":[31,105,123],"degradation":[32],"precoded":[34],"MIMO":[37],"due":[39],"delay":[41,64],"in":[42,46,124],"channel,":[45,59],"this":[47,107],"paper,":[48],"we":[49],"take":[50],"into":[51],"account":[52],"time":[54],"varying":[55],"nature":[56],"and":[60,89,114],"consider":[61],"problem.":[65],"We":[66],"propose":[67],"use":[69],"a":[71],"linear":[72],"predictor":[73,98],"at":[74,81],"receiver":[76],"provide":[78],"precoder":[80],"transmitter":[83],"with":[84],"predicted":[85],"channel":[86],"state":[87],"information,":[88],"hence,":[90],"mitigate":[91],"effect":[93],"delay.":[96],"The":[97,104],"is":[99,109],"implemented":[100],"Kalman":[102],"filter.":[103],"method":[108],"evaluated":[110],"computer":[112],"simulation,":[113],"achieved":[116],"results":[117],"demonstrate":[118],"improved":[119],"bit":[120],"error":[121],"rate":[122],"frequency":[125],"selective":[126],"Rayleigh":[127],"fading":[128],"channels.":[129]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
