{"id":"https://openalex.org/W4411337093","doi":"https://doi.org/10.1109/tcomm.2025.3579998","title":"Fast Algorithms for Sum-Rate Maximization in Rate-Splitting Multiple Access With Perfect and Imperfect CSIT","display_name":"Fast Algorithms for Sum-Rate Maximization in Rate-Splitting Multiple Access With Perfect and Imperfect CSIT","publication_year":2025,"publication_date":"2025-06-16","ids":{"openalex":"https://openalex.org/W4411337093","doi":"https://doi.org/10.1109/tcomm.2025.3579998"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3579998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3579998","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5101415278","display_name":"Jian Zhang","orcid":"https://orcid.org/0000-0002-4476-9247"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jian Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-4476-9247","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071987706","display_name":"Ying Cui","orcid":"https://orcid.org/0000-0003-3181-9775"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ying Cui","raw_affiliation_strings":["Internet of Things (IoT) Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, Guangdong, China"],"raw_orcid":"https://orcid.org/0000-0003-3181-9775","affiliations":[{"raw_affiliation_string":"Internet of Things (IoT) Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, Guangdong, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101812391","display_name":"Jianhua Ge","orcid":"https://orcid.org/0000-0003-4565-6188"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhua Ge","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0003-4565-6188","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035043615","display_name":"Chensi Zhang","orcid":"https://orcid.org/0000-0002-8427-5671"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chensi Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-8427-5671","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100635294","display_name":"Yongchao Wang","orcid":"https://orcid.org/0000-0002-0640-4140"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongchao Wang","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-0640-4140","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Lab. of Integrated Service Networks, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100620739","display_name":"Bo Ai","orcid":"https://orcid.org/0000-0001-6850-0595"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["State Key Laboratory of Rail Traffic Control and Safety and Beijing Engineering Research Center of High-Speed Railway Broadband Mobile Communications, Beijing Jiaotong University, Beijing, China","State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6850-0595","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety and Beijing Engineering Research Center of High-Speed Railway Broadband Mobile Communications, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101415278"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14677725,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"73","issue":"10","first_page":"8856","last_page":"8872"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9972000122070312,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9972000122070312,"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"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10232","display_name":"Optical Network Technologies","score":0.9763000011444092,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6478917598724365},{"id":"https://openalex.org/keywords/imperfect","display_name":"Imperfect","score":0.6291829347610474},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6048742532730103},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.603800892829895},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.317861407995224},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.313946008682251}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6478917598724365},{"id":"https://openalex.org/C2780310539","wikidata":"https://www.wikidata.org/wiki/Q12547192","display_name":"Imperfect","level":2,"score":0.6291829347610474},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6048742532730103},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.603800892829895},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.317861407995224},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.313946008682251},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcomm.2025.3579998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3579998","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-156627","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-156627","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1117740108","display_name":null,"funder_award_id":"62271371","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6119235927","display_name":null,"funder_award_id":"62371412","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1577575122","https://openalex.org/W1971443733","https://openalex.org/W2108897727","https://openalex.org/W2124250240","https://openalex.org/W2167826503","https://openalex.org/W2236834722","https://openalex.org/W2276996242","https://openalex.org/W2288501207","https://openalex.org/W2559328514","https://openalex.org/W2604524164","https://openalex.org/W2605206708","https://openalex.org/W2778609989","https://openalex.org/W2787255587","https://openalex.org/W2788350651","https://openalex.org/W2891388456","https://openalex.org/W2963328334","https://openalex.org/W2976573329","https://openalex.org/W2980426996","https://openalex.org/W2989668825","https://openalex.org/W3036383181","https://openalex.org/W3047417371","https://openalex.org/W3086178194","https://openalex.org/W3162431324","https://openalex.org/W3164101708","https://openalex.org/W3173963812","https://openalex.org/W3186687574","https://openalex.org/W3194819463","https://openalex.org/W3197663760","https://openalex.org/W3198071899","https://openalex.org/W3213814711","https://openalex.org/W3214394001","https://openalex.org/W3217310154","https://openalex.org/W4210508532","https://openalex.org/W4221140434","https://openalex.org/W4221160108","https://openalex.org/W4226375155","https://openalex.org/W4250589301","https://openalex.org/W4285230809","https://openalex.org/W4292363360","https://openalex.org/W4308037375","https://openalex.org/W4312407639","https://openalex.org/W4312921231","https://openalex.org/W4313270736","https://openalex.org/W4319302984","https://openalex.org/W4364302699","https://openalex.org/W4376481357","https://openalex.org/W4378195058","https://openalex.org/W4385444667","https://openalex.org/W4390204221","https://openalex.org/W4392693818","https://openalex.org/W4399768123","https://openalex.org/W4401113561","https://openalex.org/W4406523140"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2374250903","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2051487156","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2037938733"],"abstract_inverted_index":{"Rate":[0],"Splitting":[1],"(RS)":[2],"is":[3,23,112],"a":[4,56,81,115,123,137],"versatile":[5],"and":[6,63,71,95,145,195],"powerful":[7],"technique":[8],"for":[9,20,26,59,126,154,184],"multi-antenna":[10],"transmission.":[11],"In":[12],"this":[13],"paper,":[14],"we":[15,79,129],"study":[16],"the":[17,28,39,51,60,66,72,87,92,102,132,147,166,169,190],"precoding":[18],"optimization":[19],"RS,":[21],"which":[22,111],"critically":[24],"important":[25],"improving":[27],"system":[29],"performance":[30,143],"but":[31,180],"often":[32],"challenging":[33,117],"to":[34,136,165,189],"address.":[35],"We":[36,99],"first":[37],"investigate":[38,101],"non-convex":[40,118,133,138],"sum":[41,104,174,178],"rate":[42,105],"maximization":[43,106],"problem":[44,62,107,135,186],"under":[45,108],"perfect":[46,152],"Channel":[47],"State":[48],"Information":[49],"at":[50],"Transmitter":[52],"(CSIT).":[53],"By":[54],"constructing":[55],"separable":[57],"structure":[58],"sum-of-functions-of-ratios":[61],"jointly":[64],"leveraging":[65],"Convex":[67],"Concave":[68],"Procedure":[69],"(CCP)":[70],"Alternating":[73],"Direction":[74],"Method":[75],"of":[76],"Multipliers":[77],"(ADMM),":[78],"obtain":[80,122],"fast":[82,124,148],"algorithm":[83,125,149],"that":[84,163],"substantially":[85],"reduces":[86],"overall":[88],"computational":[89],"time":[90],"through":[91],"parallel":[93,192],"computation":[94,182,193],"explicit":[96],"closed-form":[97],"solutions.":[98],"then":[100],"average":[103,177],"imperfect":[109,155],"CSIT,":[110],"known":[113],"as":[114],"more":[116],"stochastic":[119,134],"problem.":[120],"To":[121],"practical":[127],"use,":[128],"carefully":[130],"approximate":[131],"deterministic":[139],"one":[140],"with":[141,157],"acceptable":[142],"loss":[144],"tailor":[146],"derived":[150],"from":[151],"CSIT":[153,156],"modest":[158],"changes.":[159],"Numerical":[160],"results":[161],"show":[162],"compared":[164],"state-of-the-art":[167],"algorithms,":[168],"proposed":[170],"algorithms":[171],"achieve":[172],"comparable":[173],"rates":[175,179],"or":[176],"short":[181],"times":[183],"large":[185],"sizes,":[187],"owing":[188],"unique":[191],"structures":[194],"few":[196],"matrix":[197],"inverse":[198],"operations.":[199]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
