{"id":"https://openalex.org/W2472227430","doi":"https://doi.org/10.1109/vtcspring.2016.7504056","title":"A Codebook-Based Concept for Hybrid CSI Feedback in FDD Massive MIMO Systems","display_name":"A Codebook-Based Concept for Hybrid CSI Feedback in FDD Massive MIMO Systems","publication_year":2016,"publication_date":"2016-05-01","ids":{"openalex":"https://openalex.org/W2472227430","doi":"https://doi.org/10.1109/vtcspring.2016.7504056","mag":"2472227430"},"language":"en","primary_location":{"id":"doi:10.1109/vtcspring.2016.7504056","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2016.7504056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE 83rd Vehicular Technology Conference (VTC Spring)","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/A5090117386","display_name":"Sebastian Fax\u00e9r","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Sebastian Faxer","raw_affiliation_strings":["Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005060727","display_name":"Svante Bergman","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Svante Bergman","raw_affiliation_strings":["Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031105972","display_name":"Niklas Wernersson","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Niklas Wernersson","raw_affiliation_strings":["Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radio Access Technologies, Ericsson Research Ericsson AB, Stockholm, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.372,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.65503776,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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":0.9998999834060669,"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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9984999895095825,"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/codebook","display_name":"Codebook","score":0.8185173273086548},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.713140606880188},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6558490991592407},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.6394087076187134},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6183200478553772},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5714025497436523},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.570158839225769},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4643647372722626},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.43329450488090515},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36178284883499146},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.28400474786758423},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25618940591812134},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.10657656192779541},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09736067056655884}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8185173273086548},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.713140606880188},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6558490991592407},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6394087076187134},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6183200478553772},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5714025497436523},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.570158839225769},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4643647372722626},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.43329450488090515},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36178284883499146},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.28400474786758423},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25618940591812134},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.10657656192779541},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09736067056655884},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtcspring.2016.7504056","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2016.7504056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE 83rd Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6000000238418579,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1733806262","https://openalex.org/W2112300062","https://openalex.org/W2128513990","https://openalex.org/W2147601077","https://openalex.org/W2164536085","https://openalex.org/W2338865377","https://openalex.org/W3106282754","https://openalex.org/W6637624019","https://openalex.org/W6703289165"],"related_works":["https://openalex.org/W2123156148","https://openalex.org/W2014264654","https://openalex.org/W3141240674","https://openalex.org/W2167568384","https://openalex.org/W2117054468","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2544668827"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"discuss":[4],"the":[5,38,41,76,93,101,111],"pros":[6],"and":[7,11,49,86],"cons":[8],"of":[9,35,47],"non-precoded":[10,94],"beamformed":[12,102],"Channel":[13],"State":[14],"Information":[15],"(CSI)":[16],"downlink":[17],"(DL)":[18],"reference":[19,96,104],"signal":[20,97,105],"schemes":[21],"for":[22,63],"Frequency":[23],"Division":[24],"Duplex":[25],"(FDD)":[26],"massive":[27],"MIMO":[28],"systems.":[29],"We":[30,70],"propose":[31],"a":[32,45,57,64,118],"hybrid":[33,78],"mode":[34],"operation":[36],"between":[37],"two,":[39],"factorizing":[40],"antenna":[42],"ports":[43,51],"into":[44],"set":[46],"slow":[48],"fast":[50],"with":[52,59,72,116],"different":[53],"update":[54],"rates":[55],"using":[56],"codebook":[58],"factorized":[60],"precoders":[61],"designed":[62],"dual-polarized":[65],"Uniform":[66],"Planar":[67],"Array":[68],"(UPA).":[69],"show":[71],"simulation":[73],"results":[74],"that":[75],"proposed":[77],"CSI":[79,95,103],"feedback":[80],"scheme":[81],"can":[82,108],"increase":[83,110],"both":[84],"average":[85,122],"5th":[87,112],"percentile":[88,113],"spectral":[89,114,123],"efficiency":[90,115],"compared":[91],"to":[92,100],"scheme.":[98],"Compared":[99],"scheme,":[106],"it":[107],"significantly":[109],"only":[117],"small":[119],"loss":[120],"in":[121],"efficiency.":[124]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}