{"id":"https://openalex.org/W4327522839","doi":"https://doi.org/10.1109/twc.2023.3254538","title":"Rate-Splitting Multiple Access for Quantized Multiuser MIMO Communications","display_name":"Rate-Splitting Multiple Access for Quantized Multiuser MIMO Communications","publication_year":2023,"publication_date":"2023-03-15","ids":{"openalex":"https://openalex.org/W4327522839","doi":"https://doi.org/10.1109/twc.2023.3254538"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2023.3254538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3254538","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021525162","display_name":"Seokjun Park","orcid":"https://orcid.org/0009-0000-9396-9029"},"institutions":[{"id":"https://openalex.org/I48566637","display_name":"Ulsan National Institute of Science and Technology","ror":"https://ror.org/017cjz748","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seokjun Park","raw_affiliation_strings":["Department of Electrical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, South Korea"],"raw_orcid":"https://orcid.org/0009-0000-9396-9029","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, South Korea","institution_ids":["https://openalex.org/I48566637"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059421639","display_name":"Jinseok Choi","orcid":"https://orcid.org/0000-0002-2619-6078"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinseok Choi","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-2619-6078","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080663906","display_name":"Jeonghun Park","orcid":"https://orcid.org/0000-0003-0789-8012"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeonghun Park","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-0789-8012","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009725517","display_name":"Wonjae Shin","orcid":"https://orcid.org/0000-0001-6513-1237"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Wonjae Shin","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-6513-1237","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070530952","display_name":"Bruno Clerckx","orcid":"https://orcid.org/0000-0001-5949-6459"},"institutions":[{"id":"https://openalex.org/I4210123126","display_name":"Silicon Austria Labs (Austria)","ror":"https://ror.org/03b1qgn79","country_code":"AT","type":"company","lineage":["https://openalex.org/I4210123126"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["AT","GB"],"is_corresponding":false,"raw_author_name":"Bruno Clerckx","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, U.K","Silicon Austria Labs (SAL), Graz, Austria"],"raw_orcid":"https://orcid.org/0000-0001-5949-6459","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Silicon Austria Labs (SAL), Graz, Austria","institution_ids":["https://openalex.org/I4210123126"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.6997,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.90404102,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"22","issue":"11","first_page":"7696","last_page":"7711"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994999766349792,"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":0.9994999766349792,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9988999962806702,"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":0.9976000189781189,"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/quantization","display_name":"Quantization (signal processing)","score":0.7331385016441345},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7301253080368042},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6926135420799255},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.6833443641662598},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6591849327087402},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5368445515632629},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5199050307273865},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4991130828857422},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45974308252334595},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4330364465713501},{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.42386555671691895},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.33180955052375793},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.23421964049339294},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1441253125667572}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.7331385016441345},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7301253080368042},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6926135420799255},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.6833443641662598},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6591849327087402},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5368445515632629},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5199050307273865},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4991130828857422},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45974308252334595},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4330364465713501},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.42386555671691895},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.33180955052375793},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.23421964049339294},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1441253125667572},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2023.3254538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3254538","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.7400000095367432}],"awards":[{"id":"https://openalex.org/G7739246349","display_name":null,"funder_award_id":"2021R1C1C1004438","funder_id":"https://openalex.org/F4320322030","funder_display_name":"Ministry of Science, ICT and Future Planning"},{"id":"https://openalex.org/G8195902428","display_name":null,"funder_award_id":"2022R1F1A1074391","funder_id":"https://openalex.org/F4320322030","funder_display_name":"Ministry of Science, ICT and Future Planning"}],"funders":[{"id":"https://openalex.org/F4320322030","display_name":"Ministry of Science, ICT and Future Planning","ror":"https://ror.org/032e49973"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":50,"referenced_works":["https://openalex.org/W1560563382","https://openalex.org/W1577575122","https://openalex.org/W1634005169","https://openalex.org/W1760105601","https://openalex.org/W1776974347","https://openalex.org/W1892643793","https://openalex.org/W2015301486","https://openalex.org/W2068118751","https://openalex.org/W2098725264","https://openalex.org/W2102258468","https://openalex.org/W2108897727","https://openalex.org/W2125607229","https://openalex.org/W2145013959","https://openalex.org/W2157989362","https://openalex.org/W2163762663","https://openalex.org/W2262641688","https://openalex.org/W2271871887","https://openalex.org/W2276996242","https://openalex.org/W2288501207","https://openalex.org/W2526144952","https://openalex.org/W2605537711","https://openalex.org/W2787255587","https://openalex.org/W2788136305","https://openalex.org/W2789947301","https://openalex.org/W2888542119","https://openalex.org/W2889864884","https://openalex.org/W2963083075","https://openalex.org/W2963328334","https://openalex.org/W2963415238","https://openalex.org/W2963470109","https://openalex.org/W2963511957","https://openalex.org/W2964029185","https://openalex.org/W2965824823","https://openalex.org/W2974939732","https://openalex.org/W2989668825","https://openalex.org/W3009979476","https://openalex.org/W3036383181","https://openalex.org/W3045711856","https://openalex.org/W3081844052","https://openalex.org/W3098923418","https://openalex.org/W3104166565","https://openalex.org/W3105846222","https://openalex.org/W3169618843","https://openalex.org/W3173963812","https://openalex.org/W3190377976","https://openalex.org/W3194819463","https://openalex.org/W3207021849","https://openalex.org/W4221160108","https://openalex.org/W4285230809","https://openalex.org/W4319302984"],"related_works":["https://openalex.org/W2293149949","https://openalex.org/W2026099691","https://openalex.org/W4284672201","https://openalex.org/W2377486419","https://openalex.org/W2123156148","https://openalex.org/W2109733478","https://openalex.org/W3141240674","https://openalex.org/W3118484777","https://openalex.org/W4214571564","https://openalex.org/W2601693592"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,51,57,65,68,87,108,113,116,129,133,142,151,158,175,178,184],"sum":[4,88],"spectral":[5,33,89,99],"efficiency":[6,34,100],"maximization":[7],"problem":[8,69,119],"in":[9,101,112,190],"downlink":[10],"multiuser":[11,191],"multiple-input":[12],"multiple-output":[13],"systems":[14,193],"with":[15,64,194],"low-resolution":[16],"quantizers":[17],"at":[18],"an":[19,97],"access":[20,29,171],"point":[21],"(AP)":[22],"and":[23,187],"users.":[24],"We":[25,121,139],"consider":[26],"rate-splitting":[27],"multiple":[28,170],"(RSMA)":[30],"to":[31,38,50,127,150,181],"enhance":[32],"by":[35],"offering":[36],"opportunities":[37],"boost":[39],"achievable":[40],"degree-of-freedom.":[41],"Optimizing":[42],"RSMA":[43,79,148,166],"precoders,":[44],"however,":[45],"is":[46],"highly":[47],"challenging":[48],"due":[49],"minimum":[52,144],"rate":[53],"constraint":[54],"when":[55],"determining":[56],"common":[58,179],"rate.":[59],"The":[60,161],"quantization":[61,83,153,188,196],"errors":[62,84],"coupled":[63],"precoders":[66],"make":[67],"more":[70],"complicated.":[71],"In":[72],"this":[73,92],"paper,":[74],"we":[75,94,106],"develop":[76],"a":[77,102,123,136],"novel":[78],"precoding":[80,149],"algorithm":[81,126],"incorporating":[82],"for":[85],"maximizing":[86],"efficiency.":[90],"To":[91],"end,":[93],"first":[95],"obtain":[96],"approximate":[98],"smooth":[103],"function.":[104],"Subsequently,":[105],"derive":[107],"first-order":[109],"optimality":[110],"condition":[111],"form":[114],"of":[115,132,164,177],"nonlinear":[117],"eigenvalue":[118],"(NEP).":[120],"propose":[122],"computationally":[124],"efficient":[125],"find":[128],"principal":[130],"eigenvector":[131],"NEP":[134],"as":[135],"sub-optimal":[137],"solution.":[138],"also":[140],"extend":[141],"weighted":[143],"mean":[145],"square":[146],"error-based":[147],"considered":[152],"system.":[154],"Simulation":[155],"results":[156],"validate":[157],"proposed":[159],"methods.":[160],"key":[162],"benefit":[163],"using":[165],"over":[167],"spatial":[168],"division":[169],"(SDMA)":[172],"comes":[173],"from":[174],"ability":[176],"stream":[180],"balance":[182],"between":[183],"channel":[185],"gain":[186],"error":[189],"MIMO":[192],"different":[195],"resolutions.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
