{"id":"https://openalex.org/W4362015005","doi":"https://doi.org/10.1109/twc.2023.3261754","title":"Modular CSI Quantization for FDD Massive MIMO Communication","display_name":"Modular CSI Quantization for FDD Massive MIMO Communication","publication_year":2023,"publication_date":"2023-03-30","ids":{"openalex":"https://openalex.org/W4362015005","doi":"https://doi.org/10.1109/twc.2023.3261754"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2023.3261754","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/twc.2023.3261754","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://jyx.jyu.fi/bitstreams/ebe9fdc4-db35-4521-81ee-631ab6706d54/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079528656","display_name":"Jialing Liao","orcid":"https://orcid.org/0000-0002-6172-6505"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jialing Liao","raw_affiliation_strings":["Department of Communications and Networking (Comnet), Aalto University, Espoo, Finland"],"raw_orcid":"https://orcid.org/0000-0002-6172-6505","affiliations":[{"raw_affiliation_string":"Department of Communications and Networking (Comnet), Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034251584","display_name":"Roope Vehkalahti","orcid":"https://orcid.org/0000-0002-3052-0635"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Roope Vehkalahti","raw_affiliation_strings":["Comnet, Aalto University, Espoo, Finland"],"raw_orcid":"https://orcid.org/0000-0002-3052-0635","affiliations":[{"raw_affiliation_string":"Comnet, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010929469","display_name":"Tefjol Pllaha","orcid":"https://orcid.org/0000-0001-6280-2648"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Tefjol Pllaha","raw_affiliation_strings":["Comnet, Aalto University, Espoo, Finland"],"raw_orcid":"https://orcid.org/0000-0001-6280-2648","affiliations":[{"raw_affiliation_string":"Comnet, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100750910","display_name":"Wei Han","orcid":"https://orcid.org/0000-0003-4846-5715"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Han","raw_affiliation_strings":["Huawei Technologies Company Ltd., Shanghai, China","Huawei Technologies Co., Ltd, Shanghai, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-4846-5715","affiliations":[{"raw_affiliation_string":"Huawei Technologies Company Ltd., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]},{"raw_affiliation_string":"Huawei Technologies Co., Ltd, Shanghai, P. R. China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006597250","display_name":"Olav Tirkkonen","orcid":"https://orcid.org/0000-0002-2611-1636"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Olav Tirkkonen","raw_affiliation_strings":["Comnet, Aalto University, Espoo, Finland"],"raw_orcid":"https://orcid.org/0000-0002-2611-1636","affiliations":[{"raw_affiliation_string":"Comnet, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1161,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.37679031,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"22","issue":"12","first_page":"8543","last_page":"8558"},"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/T12791","display_name":"Full-Duplex Wireless Communications","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"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.8403487205505371},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.7589625716209412},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7218952178955078},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.7101754546165466},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6837849617004395},{"id":"https://openalex.org/keywords/modular-design","display_name":"Modular design","score":0.680631160736084},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.5262450575828552},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4983060359954834},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.4912847876548767},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.461242139339447},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.43655166029930115},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4313563406467438},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3598780930042267},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3191808760166168},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28113532066345215},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13528358936309814},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0918060839176178}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8403487205505371},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.7589625716209412},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7218952178955078},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.7101754546165466},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6837849617004395},{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.680631160736084},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.5262450575828552},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4983060359954834},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.4912847876548767},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.461242139339447},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.43655166029930115},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4313563406467438},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3598780930042267},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3191808760166168},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28113532066345215},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13528358936309814},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0918060839176178},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2023.3261754","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/twc.2023.3261754","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:jyx.jyu.fi:123456789/93681","is_oa":true,"landing_page_url":"http://urn.fi/URN:NBN:fi:jyu-202402272152","pdf_url":"https://jyx.jyu.fi/bitstreams/ebe9fdc4-db35-4521-81ee-631ab6706d54/download","source":{"id":"https://openalex.org/S4306400563","display_name":"Jyv\u00e4skyl\u00e4 University Digital Archive (University of Jyv\u00e4skyl\u00e4)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I94722563","host_organization_name":"University of Jyv\u00e4skyl\u00e4","host_organization_lineage":["https://openalex.org/I94722563"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"}],"best_oa_location":{"id":"pmh:oai:jyx.jyu.fi:123456789/93681","is_oa":true,"landing_page_url":"http://urn.fi/URN:NBN:fi:jyu-202402272152","pdf_url":"https://jyx.jyu.fi/bitstreams/ebe9fdc4-db35-4521-81ee-631ab6706d54/download","source":{"id":"https://openalex.org/S4306400563","display_name":"Jyv\u00e4skyl\u00e4 University Digital Archive (University of Jyv\u00e4skyl\u00e4)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I94722563","host_organization_name":"University of Jyv\u00e4skyl\u00e4","host_organization_lineage":["https://openalex.org/I94722563"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"},"sustainable_development_goals":[{"score":0.5899999737739563,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322183","display_name":"Huawei Technologies","ror":"https://ror.org/00cmhce21"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4362015005.pdf","grobid_xml":"https://content.openalex.org/works/W4362015005.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1578191401","https://openalex.org/W1968555221","https://openalex.org/W1971443733","https://openalex.org/W1981906322","https://openalex.org/W1985290376","https://openalex.org/W1997794777","https://openalex.org/W1999848302","https://openalex.org/W2015301486","https://openalex.org/W2026763114","https://openalex.org/W2035750833","https://openalex.org/W2057721665","https://openalex.org/W2074120933","https://openalex.org/W2074863717","https://openalex.org/W2095989010","https://openalex.org/W2099238939","https://openalex.org/W2103300200","https://openalex.org/W2111441302","https://openalex.org/W2139306630","https://openalex.org/W2139892671","https://openalex.org/W2140516306","https://openalex.org/W2143976439","https://openalex.org/W2145720856","https://openalex.org/W2157009680","https://openalex.org/W2162171309","https://openalex.org/W2169448252","https://openalex.org/W2604974991","https://openalex.org/W2793174211","https://openalex.org/W2886124254","https://openalex.org/W2962859314","https://openalex.org/W2962873267","https://openalex.org/W2965147014","https://openalex.org/W2974170798","https://openalex.org/W3003262222","https://openalex.org/W3112756300","https://openalex.org/W3160943626","https://openalex.org/W3171781331","https://openalex.org/W4200371375","https://openalex.org/W6681101248","https://openalex.org/W6728721028"],"related_works":["https://openalex.org/W2744170735","https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W2216248654","https://openalex.org/W4385649691","https://openalex.org/W4381195711","https://openalex.org/W1578560935","https://openalex.org/W2140056236","https://openalex.org/W2944557016","https://openalex.org/W1624127656"],"abstract_inverted_index":{"We":[0,90,140],"consider":[1],"high-dimensional":[2],"MIMO":[3],"transmissions":[4],"in":[5,95,115,154,165],"frequency":[6,14,75],"division":[7],"duplexing":[8],"(FDD)":[9],"systems.":[10],"For":[11],"precoding,":[12],"the":[13,26,30,33,73,93,102,112,116,137,142,145,157],"selective":[15,76],"channel":[16,172],"has":[17,60],"to":[18,25,43,85,101,149],"be":[19],"measured,":[20],"quantized":[21],"and":[22,48,78,88,119,126,162],"fed":[23],"back":[24],"base":[27],"station":[28],"by":[29,152],"users.":[31],"When":[32],"number":[34],"of":[35,144,156],"antennas":[36],"is":[37,70],"very":[38],"high":[39,45],"this":[40,86,108],"typically":[41],"leads":[42],"prohibitively":[44],"quantization":[46,58,104,147],"complexity":[47],"large":[49],"feedback.":[50],"In":[51],"5G":[52],"New":[53],"Radio":[54],"(NR),":[55],"a":[56,67,97,127,166,169],"modular":[57,98,117],"approach":[59,118,131],"been":[61],"applied":[62],"for":[63,72],"this,":[64],"where":[65],"first":[66],"low-dimensional":[68],"subspace":[69,87],"identified":[71],"whole":[74],"channel,":[77],"then":[79],"subband":[80],"channels":[81],"are":[82],"linearly":[83],"mapped":[84],"quantized.":[89],"analyze":[91],"how":[92],"components":[94,114],"such":[96],"scheme":[99,125],"contribute":[100],"overall":[103,160],"distortion.":[105],"Based":[106],"on":[107],"analysis":[109],"we":[110],"improve":[111],"technology":[113],"propose":[120],"an":[121],"orthonormalized":[122],"wideband":[123,129],"precoding":[124,130],"sequential":[128],"which":[132],"provide":[133],"considerable":[134],"gains":[135],"over":[136],"conventional":[138],"method.":[139],"compare":[141],"performance":[143],"developed":[146],"schemes":[148],"prior":[150],"art":[151],"simulations":[153],"terms":[155],"projection":[158],"distortion,":[159],"distortion":[161],"spectral":[163],"efficiency,":[164],"scenario":[167],"with":[168],"realistic":[170],"spatial":[171],"model.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2025-12-24T23:09:58.560324","created_date":"2025-10-10T00:00:00"}