{"id":"https://openalex.org/W7131660664","doi":"https://doi.org/10.3390/info17030223","title":"Rate-Splitting Multiple Access for Spatial Non-Stationary Extremely Large-Scale Antenna Array","display_name":"Rate-Splitting Multiple Access for Spatial Non-Stationary Extremely Large-Scale Antenna Array","publication_year":2026,"publication_date":"2026-02-25","ids":{"openalex":"https://openalex.org/W7131660664","doi":"https://doi.org/10.3390/info17030223"},"language":"en","primary_location":{"id":"doi:10.3390/info17030223","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info17030223","pdf_url":null,"source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/info17030223","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5126878089","display_name":"Yuxuan Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I56934997","display_name":"Changsha University of Science and Technology","ror":"https://ror.org/03yph8055","country_code":"CN","type":"education","lineage":["https://openalex.org/I56934997"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuxuan Liu","raw_affiliation_strings":["School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China"],"raw_orcid":"https://orcid.org/0009-0003-3919-2441","affiliations":[{"raw_affiliation_string":"School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China","institution_ids":["https://openalex.org/I56934997"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083341672","display_name":"Penglu Liu","orcid":"https://orcid.org/0000-0002-9536-8013"},"institutions":[{"id":"https://openalex.org/I56934997","display_name":"Changsha University of Science and Technology","ror":"https://ror.org/03yph8055","country_code":"CN","type":"education","lineage":["https://openalex.org/I56934997"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Penglu Liu","raw_affiliation_strings":["School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China"],"raw_orcid":"https://orcid.org/0000-0002-9536-8013","affiliations":[{"raw_affiliation_string":"School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China","institution_ids":["https://openalex.org/I56934997"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126945470","display_name":"Wenjie Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I56934997","display_name":"Changsha University of Science and Technology","ror":"https://ror.org/03yph8055","country_code":"CN","type":"education","lineage":["https://openalex.org/I56934997"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjie Zhang","raw_affiliation_strings":["School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China"],"raw_orcid":"https://orcid.org/0000-0002-5563-0996","affiliations":[{"raw_affiliation_string":"School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China","institution_ids":["https://openalex.org/I56934997"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076223888","display_name":"Dun Cao","orcid":"https://orcid.org/0000-0003-1466-7351"},"institutions":[{"id":"https://openalex.org/I56934997","display_name":"Changsha University of Science and Technology","ror":"https://ror.org/03yph8055","country_code":"CN","type":"education","lineage":["https://openalex.org/I56934997"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dun Cao","raw_affiliation_strings":["School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China"],"raw_orcid":"https://orcid.org/0000-0003-1466-7351","affiliations":[{"raw_affiliation_string":"School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China","institution_ids":["https://openalex.org/I56934997"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052191449","display_name":"Zhuofan Liao","orcid":"https://orcid.org/0000-0002-0151-7963"},"institutions":[{"id":"https://openalex.org/I56934997","display_name":"Changsha University of Science and Technology","ror":"https://ror.org/03yph8055","country_code":"CN","type":"education","lineage":["https://openalex.org/I56934997"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhuofan Liao","raw_affiliation_strings":["School of Computer Science and Technology, Changsha University of Science and Technology, Changsha 410076, China"],"raw_orcid":"https://orcid.org/0000-0002-0151-7963","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Changsha University of Science and Technology, Changsha 410076, China","institution_ids":["https://openalex.org/I56934997"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5126878089"],"corresponding_institution_ids":["https://openalex.org/I56934997"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28950535,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"3","first_page":"223","last_page":"223"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.3091000020503998,"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":0.3091000020503998,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.20340000092983246,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.08320000022649765,"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/antenna","display_name":"Antenna (radio)","score":0.6097999811172485},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.49079999327659607},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.4171000123023987},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.36169999837875366},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.3174999952316284},{"id":"https://openalex.org/keywords/smart-antenna","display_name":"Smart antenna","score":0.30559998750686646}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6370999813079834},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6097999811172485},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.49079999327659607},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.4171000123023987},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39890000224113464},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36169999837875366},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.36169999837875366},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.3174999952316284},{"id":"https://openalex.org/C143635782","wikidata":"https://www.wikidata.org/wiki/Q1187868","display_name":"Smart antenna","level":4,"score":0.30559998750686646},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2973000109195709},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.28110000491142273},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.27309998869895935},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.2621999979019165},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.2596000134944916},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2563000023365021},{"id":"https://openalex.org/C137705275","wikidata":"https://www.wikidata.org/wiki/Q571946","display_name":"Antenna aperture","level":4,"score":0.2549000084400177}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/info17030223","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info17030223","pdf_url":null,"source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e64458537d4841d1bc247e9e7def0fe2","is_oa":true,"landing_page_url":"https://doaj.org/article/e64458537d4841d1bc247e9e7def0fe2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Information, Vol 17, Iss 3, p 223 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/info17030223","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info17030223","pdf_url":null,"source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.5949857831001282}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1987971958","https://openalex.org/W1998871699","https://openalex.org/W2883633551","https://openalex.org/W2890609471","https://openalex.org/W2898041937","https://openalex.org/W2997786076","https://openalex.org/W2998872355","https://openalex.org/W2999690840","https://openalex.org/W3006557588","https://openalex.org/W3011830499","https://openalex.org/W3072069827","https://openalex.org/W3082159919","https://openalex.org/W3110989801","https://openalex.org/W3113592410","https://openalex.org/W3162708859","https://openalex.org/W3164550829","https://openalex.org/W3190430387","https://openalex.org/W3213225772","https://openalex.org/W4221160108","https://openalex.org/W4285230809","https://openalex.org/W4312549913","https://openalex.org/W4319302984","https://openalex.org/W4364322798","https://openalex.org/W4376481253","https://openalex.org/W4378194759","https://openalex.org/W4380534771","https://openalex.org/W4390204381","https://openalex.org/W4391235292","https://openalex.org/W4394744873","https://openalex.org/W4402673672","https://openalex.org/W4407316260"],"related_works":[],"abstract_inverted_index":{"The":[0],"extremely":[1],"large-scale":[2],"antenna":[3,40,61,95,139],"array":[4],"(ELAA)":[5],"is":[6,30,83,115,141],"recognized":[7],"as":[8],"a":[9,77,176],"promising":[10],"technology":[11],"for":[12,85],"the":[13,19,23,33,39,43,48,54,86,104,107,119,131,136,146,152,156,164,172,180],"sixth-generation":[14],"wireless":[15],"communication":[16],"systems.":[17],"Besides":[18],"extended":[20],"near-field":[21],"region,":[22],"enlarged":[24],"aperture":[25],"introduces":[26],"spatial":[27,49,89,108],"non-stationarity,":[28],"which":[29,63],"characterized":[31],"by":[32,59,123,145,162],"visibility":[34],"region":[35],"(VR).":[36],"When":[37],"all":[38],"elements":[41],"in":[42,53,67,91],"ELAA":[44,87],"are":[45,99,160],"used":[46],"indiscriminately,":[47],"non-stationarity":[50,90],"can":[51],"result":[52],"user":[55,126,147,153],"receiving":[56],"signals":[57],"radiated":[58],"partial":[60],"elements,":[62],"cannot":[64],"be":[65],"ignored":[66],"designing":[68],"an":[69,111],"effective":[70],"multiple":[71,79],"access":[72,80],"scheme.":[73],"To":[74,134],"address":[75],"this,":[76],"rate-splitting":[78,132],"(RSMA)":[81],"scheme":[82,174],"designed":[84],"with":[88],"this":[92],"paper,":[93],"where":[94],"selection":[96,140],"and":[97,130],"RSMA":[98],"jointly":[100,124],"exploited":[101],"to":[102,117],"alleviate":[103],"effect":[105],"of":[106],"non-stationarity.":[109],"Then,":[110],"optimization":[112],"problem":[113],"(OP)":[114],"formulated":[116,137],"maximize":[118],"weighted":[120],"sum-rate":[121],"(WSR)":[122],"optimizing":[125],"grouping,":[127],"digital":[128],"precoding,":[129],"vector.":[133],"solve":[135],"OP,":[138],"initially":[142],"performed,":[143],"followed":[144],"grouping":[148,154],"algorithm.":[149],"Subsequently,":[150],"given":[151],"result,":[155],"conditional":[157],"optimal":[158],"solutions":[159],"obtained":[161],"using":[163],"semidefinite":[165],"relaxation":[166],"method.":[167],"Simulation":[168],"results":[169],"demonstrate":[170],"that":[171],"proposed":[173],"achieves":[175],"higher":[177],"WSR":[178],"than":[179],"baseline":[181],"schemes.":[182]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2026-02-27T00:00:00"}
