{"id":"https://openalex.org/W4407692651","doi":"https://doi.org/10.1109/tcomm.2025.3543240","title":"On the Rate Region of the Downlink NOMA System With Improper Signaling and Imperfect SIC","display_name":"On the Rate Region of the Downlink NOMA System With Improper Signaling and Imperfect SIC","publication_year":2025,"publication_date":"2025-02-18","ids":{"openalex":"https://openalex.org/W4407692651","doi":"https://doi.org/10.1109/tcomm.2025.3543240"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3543240","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3543240","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/A5101454918","display_name":"Hao Cheng","orcid":"https://orcid.org/0000-0002-2282-3062"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Cheng","raw_affiliation_strings":["School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-2282-3062","affiliations":[{"raw_affiliation_string":"School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101774701","display_name":"Min Zhang","orcid":"https://orcid.org/0000-0002-3648-4110"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3648-4110","affiliations":[{"raw_affiliation_string":"School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049704167","display_name":"Meng Hua","orcid":"https://orcid.org/0000-0002-3121-6344"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Meng Hua","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0002-3121-6344","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005242197","display_name":"Yili Xia","orcid":"https://orcid.org/0000-0002-4402-8131"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yili Xia","raw_affiliation_strings":["School of Information Science and Engineering and the Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","School of Information Science and Engineering and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-4402-8131","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering and the Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"School of Information Science and Engineering and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045995739","display_name":"Fei Ding","orcid":"https://orcid.org/0000-0002-8935-8169"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Ding","raw_affiliation_strings":["School of Modern Posts and Jiangsu Key Laboratory of Broadband Wireless Communication and Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China","School of Modern Posts, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-8935-8169","affiliations":[{"raw_affiliation_string":"School of Modern Posts and Jiangsu Key Laboratory of Broadband Wireless Communication and Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"School of Modern Posts, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038991324","display_name":"Shunwai Zhang","orcid":"https://orcid.org/0000-0002-3737-6138"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shunwai Zhang","raw_affiliation_strings":["College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3737-6138","affiliations":[{"raw_affiliation_string":"College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101830725","display_name":"Wenjiang Pei","orcid":"https://orcid.org/0000-0002-0776-4607"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjiang Pei","raw_affiliation_strings":["School of Information Science and Engineering and the Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","School of Information Science and Engineering and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-0776-4607","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering and the Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"School of Information Science and Engineering and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027055000","display_name":"A. Lee Swindlehurst","orcid":"https://orcid.org/0000-0002-0521-3107"},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Lee Swindlehurst","raw_affiliation_strings":["Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA"],"raw_orcid":"https://orcid.org/0000-0002-0521-3107","affiliations":[{"raw_affiliation_string":"Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA","institution_ids":["https://openalex.org/I204250578"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5101454918"],"corresponding_institution_ids":["https://openalex.org/I41198531"],"apc_list":null,"apc_paid":null,"fwci":2.6125,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.88825134,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"73","issue":"9","first_page":"8110","last_page":"8124"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9988999962806702,"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":0.9988999962806702,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9843999743461609,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9800999760627747,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8395208120346069},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.7965404987335205},{"id":"https://openalex.org/keywords/imperfect","display_name":"Imperfect","score":0.717487633228302},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5155463218688965},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4471750259399414},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.35352736711502075},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.33599525690078735},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24016132950782776}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8395208120346069},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.7965404987335205},{"id":"https://openalex.org/C2780310539","wikidata":"https://www.wikidata.org/wiki/Q12547192","display_name":"Imperfect","level":2,"score":0.717487633228302},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5155463218688965},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4471750259399414},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.35352736711502075},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.33599525690078735},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24016132950782776},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3543240","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3543240","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3411625823","display_name":null,"funder_award_id":"62401290","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4794068165","display_name":null,"funder_award_id":"62301271","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W1811668512","https://openalex.org/W1992179943","https://openalex.org/W1996124484","https://openalex.org/W2010961394","https://openalex.org/W2031858701","https://openalex.org/W2053521124","https://openalex.org/W2058401212","https://openalex.org/W2067489830","https://openalex.org/W2070400842","https://openalex.org/W2098918476","https://openalex.org/W2101092011","https://openalex.org/W2107922556","https://openalex.org/W2123827510","https://openalex.org/W2124338065","https://openalex.org/W2129124464","https://openalex.org/W2139996618","https://openalex.org/W2159071216","https://openalex.org/W2240505936","https://openalex.org/W2277419020","https://openalex.org/W2294288691","https://openalex.org/W2322960615","https://openalex.org/W2474841522","https://openalex.org/W2476841360","https://openalex.org/W2496222037","https://openalex.org/W2509696551","https://openalex.org/W2557733622","https://openalex.org/W2566155463","https://openalex.org/W2595522070","https://openalex.org/W2770517446","https://openalex.org/W2799944166","https://openalex.org/W2804128210","https://openalex.org/W2835708732","https://openalex.org/W2909788598","https://openalex.org/W2912839829","https://openalex.org/W2918594466","https://openalex.org/W2962619892","https://openalex.org/W2963336322","https://openalex.org/W2963698259","https://openalex.org/W2983519246","https://openalex.org/W2985535277","https://openalex.org/W3011042416","https://openalex.org/W3015119094","https://openalex.org/W3041662461","https://openalex.org/W3049465408","https://openalex.org/W3115949285","https://openalex.org/W3135725526","https://openalex.org/W3156021749","https://openalex.org/W3183886275","https://openalex.org/W4205869624","https://openalex.org/W4211251910","https://openalex.org/W4212796623","https://openalex.org/W4226022721","https://openalex.org/W4288062436","https://openalex.org/W4381328873"],"related_works":["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","https://openalex.org/W3165611029","https://openalex.org/W2370038111","https://openalex.org/W2950413682"],"abstract_inverted_index":{"Non-orthogonal":[0],"multiple":[1],"access":[2],"(NOMA)":[3],"is":[4,126],"a":[5,59,120],"promising":[6],"technology":[7],"garnering":[8],"significant":[9],"attention":[10],"among":[11],"the":[12,27,78,87,91,94,98,107,111,115,130,134,144,149,157,161],"Internet":[13],"of":[14,32,52,81,86,90,133,160],"Things":[15],"(IoT)":[16],"community":[17],"due":[18],"to":[19,128,165],"its":[20],"superior":[21],"spectral":[22],"efficiency.":[23],"This":[24],"work":[25],"addresses":[26],"rate":[28,80,131,158],"region":[29,132,159],"boundary":[30],"enhancement":[31],"downlink":[33,145],"NOMA":[34,136,146,162],"systems":[35],"under":[36,138],"imperfect":[37,139],"successive":[38],"interference":[39],"cancellation":[40],"(SIC)":[41],"with":[42],"advanced":[43],"improper":[44,67,100],"Gaussian":[45],"signaling":[46,68],"(IGS),":[47],"which":[48,63],"provides":[49],"additional":[50],"degrees":[51],"freedom":[53],"for":[54,97,114,143],"system":[55,137,147,163],"design.":[56],"We":[57,75],"investigate":[58],"universal":[60],"scenario":[61],"in":[62,84],"two":[64],"users":[65,83],"adopt":[66],"and":[69,110],"their":[70],"transmit":[71],"powers":[72],"are":[73,102],"optimized.":[74],"first":[76],"formulate":[77],"achievable":[79],"both":[82],"terms":[85],"impropriety":[88,112],"degree":[89,113],"IGS.":[92],"First,":[93],"analytical":[95],"expressions":[96],"best":[99],"transmission":[101],"characterized":[103],"by":[104],"jointly":[105],"optimizing":[106],"users\u2019":[108],"power":[109],"perfect":[116],"SIC":[117],"case.":[118],"Then,":[119],"deep":[121],"Q":[122],"network":[123],"(DQN)-based":[124],"approach":[125],"provided":[127],"find":[129],"IGS-aided":[135],"SIC.":[140],"Simulations":[141],"presented":[142],"support":[148],"analysis,":[150],"illustrating":[151],"that":[152],"IGS":[153],"can":[154],"efficiently":[155],"enhance":[156],"compared":[164],"proper":[166],"signaling.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2}],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
