{"id":"https://openalex.org/W4410226439","doi":"https://doi.org/10.1109/twc.2025.3566602","title":"Exploring the Impact of RIS on Cooperative NOMA URLLC Systems: A Theoretical Perspective","display_name":"Exploring the Impact of RIS on Cooperative NOMA URLLC Systems: A Theoretical Perspective","publication_year":2025,"publication_date":"2025-05-09","ids":{"openalex":"https://openalex.org/W4410226439","doi":"https://doi.org/10.1109/twc.2025.3566602"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3566602","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3566602","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/A5103140277","display_name":"Jianchao Zheng","orcid":"https://orcid.org/0000-0003-4140-7635"},"institutions":[{"id":"https://openalex.org/I93477617","display_name":"Huizhou University","ror":"https://ror.org/03q3s7962","country_code":"CN","type":"education","lineage":["https://openalex.org/I93477617"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jianchao Zheng","raw_affiliation_strings":["School of Computer Science and Engineering, Huizhou University, Huizhou, China"],"raw_orcid":"https://orcid.org/0000-0003-4140-7635","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Huizhou University, Huizhou, China","institution_ids":["https://openalex.org/I93477617"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109070412","display_name":"Te\u2010Kao Wu","orcid":"https://orcid.org/0009-0003-7898-4441"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Tuo Wu","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0009-0003-7898-4441","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059353932","display_name":"Junteng Yao","orcid":"https://orcid.org/0009-0005-2390-0487"},"institutions":[{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junteng Yao","raw_affiliation_strings":["Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, China"],"raw_orcid":"https://orcid.org/0009-0005-2390-0487","affiliations":[{"raw_affiliation_string":"Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, China","institution_ids":["https://openalex.org/I109935558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-9307-2120","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002904166","display_name":"Zhiguo Ding","orcid":"https://orcid.org/0000-0001-5280-384X"},"institutions":[{"id":"https://openalex.org/I176601375","display_name":"Khalifa University of Science and Technology","ror":"https://ror.org/05hffr360","country_code":"AE","type":"education","lineage":["https://openalex.org/I176601375"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Zhiguo Ding","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, United Arab Emirates","Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, United Arab Emirates","institution_ids":["https://openalex.org/I176601375"]},{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAE","institution_ids":["https://openalex.org/I176601375"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011281064","display_name":"Fumiyuki Adachi","orcid":"https://orcid.org/0000-0002-5416-0718"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumiyuki Adachi","raw_affiliation_strings":["International Research Institute of Disaster Science (IRIDeS), Tohoku University, Sendai, Japan"],"raw_orcid":"https://orcid.org/0000-0002-5416-0718","affiliations":[{"raw_affiliation_string":"International Research Institute of Disaster Science (IRIDeS), Tohoku University, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103140277"],"corresponding_institution_ids":["https://openalex.org/I93477617"],"apc_list":null,"apc_paid":null,"fwci":1.9593,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.86254882,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"24","issue":"10","first_page":"8461","last_page":"8475"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9939000010490417,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9939000010490417,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9866999983787537,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9749000072479248,"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/noma","display_name":"Noma","score":0.8603739738464355},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.7069873809814453},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6191639304161072},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.385009229183197},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12736380100250244},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.1014481782913208}],"concepts":[{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8603739738464355},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.7069873809814453},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6191639304161072},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.385009229183197},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12736380100250244},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.1014481782913208}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3566602","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3566602","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":[{"score":0.41999998688697815,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"awards":[{"id":"https://openalex.org/G1966112790","display_name":null,"funder_award_id":"2022JB033","funder_id":"https://openalex.org/F4320323848","funder_display_name":"Huizhou University"}],"funders":[{"id":"https://openalex.org/F4320323848","display_name":"Huizhou University","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1958281780","https://openalex.org/W1972485395","https://openalex.org/W2078191478","https://openalex.org/W2106864314","https://openalex.org/W2107826860","https://openalex.org/W2148622067","https://openalex.org/W2509696551","https://openalex.org/W2522847968","https://openalex.org/W2779803040","https://openalex.org/W2781540262","https://openalex.org/W2796123563","https://openalex.org/W2941118076","https://openalex.org/W2963355537","https://openalex.org/W2963790008","https://openalex.org/W3002384078","https://openalex.org/W3022803879","https://openalex.org/W3048519354","https://openalex.org/W3094327823","https://openalex.org/W3095076735","https://openalex.org/W3126169607","https://openalex.org/W3129486236","https://openalex.org/W3130437501","https://openalex.org/W3178081691","https://openalex.org/W3195644027","https://openalex.org/W3203858963","https://openalex.org/W3208781006","https://openalex.org/W3211349395","https://openalex.org/W4211053893","https://openalex.org/W4214846115","https://openalex.org/W4225737845","https://openalex.org/W4226061238","https://openalex.org/W4226163550","https://openalex.org/W4294982588","https://openalex.org/W4297911809","https://openalex.org/W4310520433","https://openalex.org/W4312542978","https://openalex.org/W4323065024","https://openalex.org/W4365790470","https://openalex.org/W4366148673","https://openalex.org/W4376466684","https://openalex.org/W4381162033","https://openalex.org/W4382119241","https://openalex.org/W4383899636","https://openalex.org/W4391559594","https://openalex.org/W4391942382","https://openalex.org/W4399601919","https://openalex.org/W4399666215","https://openalex.org/W4400726899","https://openalex.org/W4406856782"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W4404253608","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,89],"conduct":[4],"a":[5,26,101,136,166],"theoretical":[6],"analysis":[7],"of":[8,131,139,143],"how":[9],"to":[10,57,63,114,147,165],"integrate":[11],"reconfigurable":[12],"intelligent":[13],"surfaces":[14],"(RIS)":[15],"with":[16],"cooperative":[17,29],"non-orthogonal":[18],"multiple":[19,138],"access":[20],"(NOMA),":[21],"considering":[22],"URLLC.":[23],"We":[24],"consider":[25],"downlink":[27],"two-user":[28],"NOMA":[30],"system":[31,122],"employing":[32],"short-packet":[33],"communications,":[34],"where":[35],"the":[36,42,47,72,79,91,120,140,144,153,158,169,178],"two":[37,161],"users":[38],"are":[39,86,112],"denoted":[40],"by":[41,156],"central":[43],"user":[44,49],"(CU)":[45],"and":[46,52,70,99,117],"cell-edge":[48],"(CEU),":[50],"respectively,":[51],"an":[53],"RIS":[54,128,159],"is":[55],"deployed":[56],"enhance":[58],"signal":[59],"quality.":[60],"Specifically,":[61],"compared":[62],"CEU,":[64],"CU":[65],"lies":[66],"nearer":[67],"from":[68],"BS":[69],"enjoys":[71],"higher":[73],"channel":[74],"gains.":[75],"Closed-form":[76],"expressions":[77],"for":[78,152,177],"CU\u2019s":[80],"average":[81,170],"block":[82],"error":[83],"rate":[84],"(BLER)":[85],"derived.":[87],"Furthermore,":[88,155],"evaluate":[90],"CEU\u2019s":[92],"BLER":[93,171],"performance":[94],"utilizing":[95],"selective":[96],"combining":[97,108],"(SC)":[98],"derive":[100],"tight":[102],"lower":[103],"bound":[104],"under":[105],"maximum":[106],"ratio":[107],"(MRC).":[109],"Simulation":[110],"results":[111],"provided":[113],"our":[115],"analyses":[116],"demonstrate":[118],"that":[119],"RIS-assisted":[121],"significantly":[123],"outperforms":[124],"its":[125],"counterpart":[126],"without":[127],"in":[129],"terms":[130],"BLER.":[132],"Notably,":[133],"MRC":[134],"achieves":[135],"squared":[137],"diversity":[141],"gain":[142],"SC,":[145],"leading":[146],"more":[148],"reliable":[149],"performance,":[150],"especially":[151],"CEU.":[154,179],"dividing":[157],"into":[160],"zones,":[162],"each":[163],"dedicated":[164],"specific":[167],"user,":[168],"can":[172],"be":[173],"further":[174],"reduced,":[175],"particularly":[176]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}