{"id":"https://openalex.org/W4400277698","doi":"https://doi.org/10.1109/wcnc57260.2024.10570660","title":"A Novel Rotated Constellation-Based LLR Detector for Flexible NOMA Based OFDM-IM Scheme","display_name":"A Novel Rotated Constellation-Based LLR Detector for Flexible NOMA Based OFDM-IM Scheme","publication_year":2024,"publication_date":"2024-04-21","ids":{"openalex":"https://openalex.org/W4400277698","doi":"https://doi.org/10.1109/wcnc57260.2024.10570660"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc57260.2024.10570660","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc57260.2024.10570660","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5069417011","display_name":"Subham Sabud","orcid":"https://orcid.org/0000-0002-3491-5386"},"institutions":[{"id":"https://openalex.org/I132153292","display_name":"Indian Institute of Technology Patna","ror":"https://ror.org/01ft5vz71","country_code":"IN","type":"education","lineage":["https://openalex.org/I132153292"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Subham Sabud","raw_affiliation_strings":["Indian Institute of Technology Patna,Electrical Engineering Department,Patna,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Patna,Electrical Engineering Department,Patna,India","institution_ids":["https://openalex.org/I132153292"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100624587","display_name":"Preetam Kumar","orcid":"https://orcid.org/0000-0002-9015-5123"},"institutions":[{"id":"https://openalex.org/I132153292","display_name":"Indian Institute of Technology Patna","ror":"https://ror.org/01ft5vz71","country_code":"IN","type":"education","lineage":["https://openalex.org/I132153292"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Preetam Kumar","raw_affiliation_strings":["Indian Institute of Technology Patna,Electrical Engineering Department,Patna,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Patna,Electrical Engineering Department,Patna,India","institution_ids":["https://openalex.org/I132153292"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I132153292"],"apc_list":null,"apc_paid":null,"fwci":2.7835,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.89531677,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9969000220298767,"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":0.9969000220298767,"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/T12042","display_name":"Satellite Communication Systems","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9804999828338623,"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/constellation","display_name":"Constellation","score":0.8968865871429443},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.8967666625976562},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7652286291122437},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.654388427734375},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6437669992446899},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6394093632698059},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38701456785202026},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27491962909698486},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2153802514076233},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17295074462890625},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08809161186218262},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.07328775525093079}],"concepts":[{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.8968865871429443},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8967666625976562},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7652286291122437},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.654388427734375},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6437669992446899},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6394093632698059},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38701456785202026},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27491962909698486},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2153802514076233},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17295074462890625},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08809161186218262},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.07328775525093079},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc57260.2024.10570660","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc57260.2024.10570660","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2033673467","https://openalex.org/W2126073021","https://openalex.org/W2540924152","https://openalex.org/W2769456309","https://openalex.org/W3007877133","https://openalex.org/W3010978659","https://openalex.org/W3019629843","https://openalex.org/W3021137074","https://openalex.org/W3043255904","https://openalex.org/W3043437330","https://openalex.org/W3119590645","https://openalex.org/W3132080505","https://openalex.org/W4288774182","https://openalex.org/W4380052504","https://openalex.org/W6737422390"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W4309235375","https://openalex.org/W2887349183","https://openalex.org/W4364360709"],"abstract_inverted_index":{"OFDM-IM":[0,16,124],"NOMA":[1,17,125],"is":[2,37,83],"a":[3,19,74,78],"newly":[4],"created":[5],"flexible":[6],"scheme":[7],"for":[8,122],"future":[9],"generation":[10],"communication":[11],"systems.":[12],"For":[13],"the":[14,41,46,54,68,80,87,97,111,123],"downlink":[15],"system,":[18],"low-complexity":[20],"\u201crotated":[21],"constellation":[22],"based":[23,57,117],"log":[24],"likelihood":[25,115],"ratio":[26],"(LLR)":[27],"detector\u201d":[28],"has":[29,73],"been":[30],"proposed":[31,81,98],"in":[32],"this":[33],"work.":[34],"This":[35],"detector":[36,82,99,118],"made":[38],"by":[39],"combining":[40],"Constellation":[42,56],"rotation-based":[43],"concept":[44],"and":[45,92,105],"two-stage":[47,69],"Log-Likelihood":[48,70],"Ratio":[49,71],"algorithm":[50,72],"together.":[51],"By":[52],"using":[53],"rotated":[55],"concept,":[58],"successive":[59],"interference":[60],"cancellation":[61],"(SIC)":[62],"process":[63],"can":[64],"be":[65],"avoided,":[66],"additionally":[67],"lesser":[75],"complexity.":[76],"As":[77],"result,":[79],"able":[84],"to":[85],"reduce":[86],"complexity":[88,104],"significantly.":[89],"Complexity":[90],"analysis":[91],"simulation":[93],"results":[94],"show":[95],"that":[96],"achieves":[100],"significantly":[101],"lower":[102],"computational":[103],"much":[106],"better":[107],"error":[108],"performance":[109],"than":[110],"earlier":[112],"introduced":[113],"maximum":[114],"(ML)":[116],"under":[119],"different":[120],"scenarios":[121],"scheme.":[126]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}