{"id":"https://openalex.org/W3091825870","doi":"https://doi.org/10.1109/pimrc48278.2020.9217134","title":"Cluster Extrapolation for FDD Downlink MIMO Precoding","display_name":"Cluster Extrapolation for FDD Downlink MIMO Precoding","publication_year":2020,"publication_date":"2020-08-01","ids":{"openalex":"https://openalex.org/W3091825870","doi":"https://doi.org/10.1109/pimrc48278.2020.9217134","mag":"3091825870"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc48278.2020.9217134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc48278.2020.9217134","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 31st Annual 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/A5103056913","display_name":"Matthieu Roy","orcid":"https://orcid.org/0000-0002-6336-4667"},"institutions":[{"id":"https://openalex.org/I4210143287","display_name":"Institut de Recherche Technologique B-com","ror":"https://ror.org/03cejhk28","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210143287"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Matthieu Roy","raw_affiliation_strings":["b<>com Rennes, France","bcom Rennes, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"b<>com Rennes, France","institution_ids":["https://openalex.org/I4210143287"]},{"raw_affiliation_string":"bcom Rennes, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083746253","display_name":"St\u00e9phane Paquelet","orcid":"https://orcid.org/0000-0002-6874-8336"},"institutions":[{"id":"https://openalex.org/I4210143287","display_name":"Institut de Recherche Technologique B-com","ror":"https://ror.org/03cejhk28","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210143287"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Stephane Paquelet","raw_affiliation_strings":["b<>com Rennes, France","bcom Rennes, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"b<>com Rennes, France","institution_ids":["https://openalex.org/I4210143287"]},{"raw_affiliation_string":"bcom Rennes, France","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050136436","display_name":"Matthieu Crussi\u00e8re","orcid":"https://orcid.org/0000-0003-3669-5695"},"institutions":[{"id":"https://openalex.org/I28221208","display_name":"Institut National des Sciences Appliqu\u00e9es de Rennes","ror":"https://ror.org/04xaa4j22","country_code":"FR","type":"education","lineage":["https://openalex.org/I28221208"]},{"id":"https://openalex.org/I4210100151","display_name":"Institut d'\u00c9lectronique et des Technologies du num\u00e9Rique","ror":"https://ror.org/013q33h79","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I28221208","https://openalex.org/I4210095849","https://openalex.org/I4210100151","https://openalex.org/I56067802","https://openalex.org/I97188460"]},{"id":"https://openalex.org/I56067802","display_name":"Universit\u00e9 de Rennes","ror":"https://ror.org/015m7wh34","country_code":"FR","type":"education","lineage":["https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Matthieu Crussiere","raw_affiliation_strings":["INSA Rennes, IETR - UMR 6164, Univ Rennes, Rennes, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA Rennes, IETR - UMR 6164, Univ Rennes, Rennes, France","institution_ids":["https://openalex.org/I28221208","https://openalex.org/I4210100151","https://openalex.org/I56067802"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.13144493,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"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":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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.995199978351593,"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":0.9934999942779541,"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/extrapolation","display_name":"Extrapolation","score":0.8437066674232483},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8222949504852295},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8078721761703491},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.57553631067276},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.549921989440918},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5482039451599121},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5140367746353149},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5121457576751709},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.46063101291656494},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.42716825008392334},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.4191516935825348},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4166661500930786},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4155692458152771},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.4119831919670105},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3853229284286499},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32805734872817993},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2915053367614746},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2833751142024994},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2072557806968689},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.08773961663246155},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06942617893218994}],"concepts":[{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.8437066674232483},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8222949504852295},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8078721761703491},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.57553631067276},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.549921989440918},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5482039451599121},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5140367746353149},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5121457576751709},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.46063101291656494},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.42716825008392334},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.4191516935825348},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4166661500930786},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4155692458152771},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.4119831919670105},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3853229284286499},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32805734872817993},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2915053367614746},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2833751142024994},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2072557806968689},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.08773961663246155},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06942617893218994},{"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/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"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/pimrc48278.2020.9217134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc48278.2020.9217134","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1464039697","display_name":"NExT (I-SITE)","funder_award_id":"ANR-16-IDEX-0007","funder_id":"https://openalex.org/F4320320883","funder_display_name":"Agence Nationale de la Recherche"}],"funders":[{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W640810253","https://openalex.org/W2044079777","https://openalex.org/W2063551896","https://openalex.org/W2082510791","https://openalex.org/W2118691613","https://openalex.org/W2129727074","https://openalex.org/W2141102592","https://openalex.org/W2163363194","https://openalex.org/W2488265751","https://openalex.org/W2490222774","https://openalex.org/W2770606349","https://openalex.org/W2885224202","https://openalex.org/W2915612038","https://openalex.org/W2963837984","https://openalex.org/W2964628535","https://openalex.org/W3010117785","https://openalex.org/W3010466875","https://openalex.org/W6666216073","https://openalex.org/W6845489075"],"related_works":["https://openalex.org/W2167568384","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2544668827","https://openalex.org/W2082469387","https://openalex.org/W1985632843","https://openalex.org/W2102394268","https://openalex.org/W2382010743"],"abstract_inverted_index":{"Channel":[0,9],"extrapolation":[1,40,90,118],"is":[2],"a":[3,46,81,88],"promising":[4],"technique":[5],"to":[6],"estimate":[7],"the":[8,34,39,42,59,68,73,85,103,108,111,117,130],"State":[10],"Information":[11],"(CSI)":[12],"in":[13,18,56,83,122],"multi-input-multi-output":[14],"(MIMO)":[15],"systems":[16],"operating":[17],"frequency":[19,43],"division":[20],"duplex":[21],"(FDD)":[22],"without":[23],"relying":[24],"on":[25,67],"costly":[26],"terminal":[27],"feedback.":[28],"In":[29],"this":[30],"paper":[31],"we":[32],"analyze":[33],"limits":[35,86],"that":[36],"can":[37],"achieve":[38],"of":[41,45,63,87,110,124,129],"response":[44],"propagation":[47],"channel":[48,75],"from":[49,76,102],"its":[50],"cluster-based":[51,89],"representation.":[52],"This":[53],"method":[54],"consists":[55],"measuring":[57],"all":[58],"clusters":[60],"characteristics":[61],"(angle":[62],"departure,":[64],"gain,":[65],"delay)":[66],"uplink":[69],"and":[70,98,127],"then":[71],"extrapolating":[72],"downlink":[74],"those":[77],"measurements.":[78],"We":[79,106],"propose":[80],"framework":[82],"which":[84],"process":[91],"are":[92],"studied":[93],"taking":[94],"into":[95],"account":[96],"delay":[97],"angular":[99],"spread":[100],"derived":[101],"Saleh-Valenzuela":[104],"model.":[105],"evaluate":[107],"performance":[109],"optimal":[112],"linear":[113],"estimator":[114],"hereby":[115],"quantifying":[116],"residual":[119],"error":[120],"bound":[121],"terms":[123],"Mean-Square":[125],"Error":[126],"Reduction":[128],"Beamforming":[131],"Gain.":[132]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}