{"id":"https://openalex.org/W4406890790","doi":"https://doi.org/10.1109/lwc.2025.3536448","title":"Optimal MIMO Transmission for Rate-Splitting Multiple Access in Multi-Cell Environments","display_name":"Optimal MIMO Transmission for Rate-Splitting Multiple Access in Multi-Cell Environments","publication_year":2025,"publication_date":"2025-01-28","ids":{"openalex":"https://openalex.org/W4406890790","doi":"https://doi.org/10.1109/lwc.2025.3536448"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3536448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3536448","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5100644394","display_name":"Yoonjin Lee","orcid":"https://orcid.org/0000-0001-9510-3691"},"institutions":[{"id":"https://openalex.org/I148751991","display_name":"Sogang University","ror":"https://ror.org/056tn4839","country_code":"KR","type":"education","lineage":["https://openalex.org/I148751991"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Yoonjin Lee","raw_affiliation_strings":["Department of Electronic Engineering, Sogang University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Sogang University, Seoul, South Korea","institution_ids":["https://openalex.org/I148751991"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108504605","display_name":"Insoo Hwang","orcid":null},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Insoo Hwang","raw_affiliation_strings":["Platforms and Devices, Google, Mountain View, CA, USA","Google, Mountain View, CA, USA"],"affiliations":[{"raw_affiliation_string":"Platforms and Devices, Google, Mountain View, CA, USA","institution_ids":["https://openalex.org/I1291425158"]},{"raw_affiliation_string":"Google, Mountain View, CA, USA","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049420521","display_name":"Hongseok Kim","orcid":"https://orcid.org/0000-0002-5744-2358"},"institutions":[{"id":"https://openalex.org/I148751991","display_name":"Sogang University","ror":"https://ror.org/056tn4839","country_code":"KR","type":"education","lineage":["https://openalex.org/I148751991"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hongseok Kim","raw_affiliation_strings":["Department of Electronic Engineering, Sogang University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Sogang University, Seoul, South Korea","institution_ids":["https://openalex.org/I148751991"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079863632","display_name":"Chan\u2010Byoung Chae","orcid":"https://orcid.org/0000-0001-9561-3341"},"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":"Chan-Byoung Chae","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100644394"],"corresponding_institution_ids":["https://openalex.org/I148751991"],"apc_list":null,"apc_paid":null,"fwci":2.092,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.85648614,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"14","issue":"4","first_page":"1154","last_page":"1158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9991999864578247,"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/T11932","display_name":"Wireless Body Area Networks","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/mimo","display_name":"MIMO","score":0.6962167620658875},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6320610642433167},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.507464587688446},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4618583619594574},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.411863774061203},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2565758228302002},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17040443420410156}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6962167620658875},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6320610642433167},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.507464587688446},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4618583619594574},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.411863774061203},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2565758228302002},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17040443420410156}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2025.3536448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3536448","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.46000000834465027,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1966706499","https://openalex.org/W2040051462","https://openalex.org/W2075328041","https://openalex.org/W2096895164","https://openalex.org/W2103091915","https://openalex.org/W2122544826","https://openalex.org/W2131350052","https://openalex.org/W2155847893","https://openalex.org/W2960360359","https://openalex.org/W3162708859","https://openalex.org/W3166242154","https://openalex.org/W4285740641","https://openalex.org/W4319302984","https://openalex.org/W4327522839","https://openalex.org/W4385153795","https://openalex.org/W4399768123"],"related_works":["https://openalex.org/W2038397443","https://openalex.org/W4200145345","https://openalex.org/W2112785353","https://openalex.org/W2941374357","https://openalex.org/W1561113522","https://openalex.org/W1495906304","https://openalex.org/W2935871810","https://openalex.org/W1993205288","https://openalex.org/W1520753245","https://openalex.org/W2529849760"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"propose":[4],"an":[5],"optimal":[6,70],"multiple":[7,9,15],"input":[8],"output":[10],"(MIMO)":[11],"strategy":[12,38],"for":[13,39,81],"rate-splitting":[14],"access":[16],"(RSMA)":[17],"with":[18,41],"private":[19],"and":[20],"common":[21],"messages":[22],"under":[23],"a":[24,28],"zero-interference":[25],"constraint":[26],"in":[27,52,55],"multi-cell":[29],"MIMO":[30,37],"system":[31,79],"environment.":[32],"We":[33],"compare":[34],"the":[35,42,64,68],"proposed":[36,69],"RSMA":[40],"minimum":[43],"mean":[44],"squared":[45],"error-interference":[46],"rejection":[47],"combining":[48],"(MMSE-IRC)":[49],"technique":[50],"used":[51],"5G":[53],"NR":[54],"terms":[56],"of":[57,67],"sum":[58],"rate.":[59],"Extensive":[60],"evaluation":[61],"results":[62],"confirm":[63],"performance":[65],"gain":[66],"RSMA-MIMO,":[71],"which":[72],"is":[73],"expected":[74],"to":[75],"provide":[76],"insight":[77],"into":[78],"design":[80],"6G":[82],"RSMA.":[83]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}