{"id":"https://openalex.org/W4400975149","doi":"https://doi.org/10.1109/tgcn.2024.3433507","title":"Rate-Splitting Multiple Access With Finite-Alphabet Constellations: Precoder Optimization and Achievable Rate Performance","display_name":"Rate-Splitting Multiple Access With Finite-Alphabet Constellations: Precoder Optimization and Achievable Rate Performance","publication_year":2024,"publication_date":"2024-07-25","ids":{"openalex":"https://openalex.org/W4400975149","doi":"https://doi.org/10.1109/tgcn.2024.3433507"},"language":"en","primary_location":{"id":"doi:10.1109/tgcn.2024.3433507","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2024.3433507","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Green Communications and Networking","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/A5020857798","display_name":"De Mi","orcid":"https://orcid.org/0000-0002-3891-820X"},"institutions":[{"id":"https://openalex.org/I12870472","display_name":"Birmingham City University","ror":"https://ror.org/00t67pt25","country_code":"GB","type":"education","lineage":["https://openalex.org/I12870472"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"De Mi","raw_affiliation_strings":["College of Computing, Birmingham City University, Birmingham, U.K"],"affiliations":[{"raw_affiliation_string":"College of Computing, Birmingham City University, Birmingham, U.K","institution_ids":["https://openalex.org/I12870472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101653377","display_name":"Hongzhi Chen","orcid":"https://orcid.org/0000-0003-3492-1177"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Hongzhi Chen","raw_affiliation_strings":["5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"affiliations":[{"raw_affiliation_string":"5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051251573","display_name":"Zheng Chu","orcid":"https://orcid.org/0000-0001-9715-3190"},"institutions":[{"id":"https://openalex.org/I13591777","display_name":"University of Nottingham Ningbo China","ror":"https://ror.org/03y4dt428","country_code":"CN","type":"education","lineage":["https://openalex.org/I13591777","https://openalex.org/I142263535"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Chu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, and the Next-Generation Internet of Everything Laboratory, University of Nottingham Ningbo China, Ningbo, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, and the Next-Generation Internet of Everything Laboratory, University of Nottingham Ningbo China, Ningbo, China","institution_ids":["https://openalex.org/I13591777"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002566516","display_name":"Pei Xiao","orcid":"https://orcid.org/0000-0002-7886-5878"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pei Xiao","raw_affiliation_strings":["5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"affiliations":[{"raw_affiliation_string":"5GIC &#x0026; 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084103888","display_name":"Yiyan Wu","orcid":"https://orcid.org/0000-0001-8890-5389"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Yiyan Wu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Western University, London, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Western University, London, ON, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005169457","display_name":"Chin-Liang Wang","orcid":"https://orcid.org/0000-0002-3544-3165"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chin-Liang Wang","raw_affiliation_strings":["Department of Electrical Engineering, and the Institute of Communications Engineering, National Tsing Hua University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, and the Institute of Communications Engineering, National Tsing Hua University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5020857798"],"corresponding_institution_ids":["https://openalex.org/I12870472"],"apc_list":null,"apc_paid":null,"fwci":0.6263,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67672562,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"8","issue":"4","first_page":"1293","last_page":"1307"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9977999925613403,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9977999925613403,"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":0.9973999857902527,"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"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/constellation","display_name":"Constellation","score":0.6742924451828003},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.5328317880630493},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4730120003223419},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.371976375579834},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33412736654281616},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14644643664360046}],"concepts":[{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.6742924451828003},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.5328317880630493},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4730120003223419},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.371976375579834},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33412736654281616},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14644643664360046},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tgcn.2024.3433507","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2024.3433507","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Green Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:alma.44SUR_INST:11207749330002346","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3148493448","display_name":"Cell-Free Massive MIMO for Future Wireless Networks","funder_award_id":"EP/X013162/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G3307231356","display_name":null,"funder_award_id":"EP/X013162/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1577575122","https://openalex.org/W1694183347","https://openalex.org/W1885919422","https://openalex.org/W1968346884","https://openalex.org/W2037130918","https://openalex.org/W2053896644","https://openalex.org/W2058067819","https://openalex.org/W2064333058","https://openalex.org/W2096480392","https://openalex.org/W2097695636","https://openalex.org/W2111616148","https://openalex.org/W2113198493","https://openalex.org/W2113271807","https://openalex.org/W2114945762","https://openalex.org/W2126308715","https://openalex.org/W2150764210","https://openalex.org/W2161410889","https://openalex.org/W2271871887","https://openalex.org/W2276996242","https://openalex.org/W2288501207","https://openalex.org/W2608727628","https://openalex.org/W2787255587","https://openalex.org/W2792746003","https://openalex.org/W2803697907","https://openalex.org/W2963328334","https://openalex.org/W2963543369","https://openalex.org/W2964248347","https://openalex.org/W2975013556","https://openalex.org/W2989668825","https://openalex.org/W2999980502","https://openalex.org/W3092250654","https://openalex.org/W3092584186","https://openalex.org/W3098923418","https://openalex.org/W3111894709","https://openalex.org/W3154074599","https://openalex.org/W3162708859","https://openalex.org/W3168625149","https://openalex.org/W3177679555","https://openalex.org/W4230959423","https://openalex.org/W4250589301","https://openalex.org/W4393305379","https://openalex.org/W6639479151"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W4391375266","https://openalex.org/W2801080295","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2502457263","https://openalex.org/W2901245944","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819"],"abstract_inverted_index":{"Rate":[0],"Splitting":[1],"Multiple":[2],"Access":[3],"(RSMA)":[4],"precoder":[5,92,126],"design":[6],"with":[7,86,139,170,216],"the":[8,39,49,64,75,81,87,90,110,114,118,121,124,129,150,160,176],"practical":[9],"finite-alphabet":[10],"constellations":[11],"instead":[12],"of":[13,38,80,89,109,117,123],"Gaussian":[14],"inputs":[15],"has":[16],"been":[17],"addressed":[18],"in":[19,45,100],"this":[20],"paper.":[21],"Considering":[22],"a":[23,35,46,70],"multiuser":[24],"(MU)":[25],"multiple-input":[26],"single-output":[27],"(MISO)":[28],"broadcast":[29],"channel":[30],"(BC)":[31],"system,":[32,83],"we":[33,68],"derive":[34],"generalized":[36],"expression":[37,51],"achievable":[40,65,111,162],"rate":[41,66,78,112],"for":[42,56,93],"each":[43],"user,":[44],"way":[47],"that":[48,73,106,156],"derived":[50],"is":[52,105,146],"generically":[53],"applicable,":[54],"e.g.,":[55,179],"both":[57,94,165,198],"underloaded":[58,166,212],"and":[59,96,120,142,167,185,200,213],"overloaded":[60,168,214],"cases.":[61],"Building":[62],"upon":[63],"expression,":[67,113],"formulate":[69],"multi-objective":[71],"problem":[72,115],"maximizes":[74],"weighted":[76],"sum":[77],"(WSR)":[79],"considered":[82],"which":[84],"incorporates":[85],"optimization":[88,122,141,151],"RS":[91],"common":[95],"private":[97],"symbol":[98],"streams":[99],"RSMA.":[101],"The":[102],"emphasis":[103],"here":[104],"our":[107],"derivation":[108],"formulation":[116],"WSR":[119],"RSMA":[125,157,196],"all":[127],"involve":[128],"finite":[130],"alphabet":[131],"constellation":[132,218],"constraint.":[133],"An":[134],"iterative":[135],"gradient":[136],"descent":[137],"algorithm":[138],"alternative":[140],"line":[143],"search":[144],"methods":[145],"applied":[147],"to":[148,175,193,205],"solve":[149],"problem.":[152],"Numerical":[153],"results":[154],"show":[155],"can":[158],"reach":[159],"maximum":[161],"WSR,":[163],"under":[164],"scenarios,":[169],"less":[171],"transmit":[172],"power":[173],"compared":[174],"traditional":[177],"schemes,":[178],"space":[180],"division":[181],"multiple":[182,188],"access":[183,189],"(SDMA)":[184],"power-domain":[186],"non-orthogonal":[187],"(NOMA).":[190],"Moreover,":[191],"thanks":[192],"its":[194,203],"flexibility,":[195],"subsumes":[197],"SDMA":[199],"NOMA":[201],"as":[202,211],"subset":[204],"fit":[206],"into":[207],"different":[208,217],"scenarios":[209],"such":[210],"cases":[215],"sizes.":[219]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2024-07-26T00:00:00"}
