{"id":"https://openalex.org/W4206458388","doi":"https://doi.org/10.1109/access.2021.3136303","title":"A Simplified Sphere Decoding-Based Detector for Generalized SCMA Codebooks","display_name":"A Simplified Sphere Decoding-Based Detector for Generalized SCMA Codebooks","publication_year":2021,"publication_date":"2021-12-16","ids":{"openalex":"https://openalex.org/W4206458388","doi":"https://doi.org/10.1109/access.2021.3136303"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3136303","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3136303","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9668973/09654219.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9668973/09654219.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000890919","display_name":"Xiaotian Fu","orcid":"https://orcid.org/0000-0002-4105-9370"},"institutions":[{"id":"https://openalex.org/I124158823","display_name":"Conservatoire National des Arts et M\u00e9tiers","ror":"https://ror.org/0175hh227","country_code":"FR","type":"education","lineage":["https://openalex.org/I124158823","https://openalex.org/I4210134562"]},{"id":"https://openalex.org/I4210145724","display_name":"Centre d'Etudes et De Recherche en Informatique et Communications","ror":"https://ror.org/044j5mm75","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210145724"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Xiaotian Fu","raw_affiliation_strings":["CNAM CEDRIC/LAETITIA, Paris, France","CEDRIC - LAETITIA - CEDRIC. Traitement du signal et architectures \u00e9lectroniques (France)"],"raw_orcid":"https://orcid.org/0000-0002-4105-9370","affiliations":[{"raw_affiliation_string":"CNAM CEDRIC/LAETITIA, Paris, France","institution_ids":["https://openalex.org/I4210145724","https://openalex.org/I124158823"]},{"raw_affiliation_string":"CEDRIC - LAETITIA - CEDRIC. Traitement du signal et architectures \u00e9lectroniques (France)","institution_ids":["https://openalex.org/I4210145724"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007448688","display_name":"Didier Le Ruyet","orcid":"https://orcid.org/0000-0002-9673-2075"},"institutions":[{"id":"https://openalex.org/I124158823","display_name":"Conservatoire National des Arts et M\u00e9tiers","ror":"https://ror.org/0175hh227","country_code":"FR","type":"education","lineage":["https://openalex.org/I124158823","https://openalex.org/I4210134562"]},{"id":"https://openalex.org/I4210145724","display_name":"Centre d'Etudes et De Recherche en Informatique et Communications","ror":"https://ror.org/044j5mm75","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210145724"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Didier Le Ruyet","raw_affiliation_strings":["CNAM CEDRIC/LAETITIA, Paris, France","CEDRIC - LAETITIA - CEDRIC. Traitement du signal et architectures \u00e9lectroniques (France)"],"raw_orcid":"https://orcid.org/0000-0002-9673-2075","affiliations":[{"raw_affiliation_string":"CNAM CEDRIC/LAETITIA, Paris, France","institution_ids":["https://openalex.org/I4210145724","https://openalex.org/I124158823"]},{"raw_affiliation_string":"CEDRIC - LAETITIA - CEDRIC. Traitement du signal et architectures \u00e9lectroniques (France)","institution_ids":["https://openalex.org/I4210145724"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003511975","display_name":"Bruno Fontana da Silva","orcid":"https://orcid.org/0000-0003-2382-0952"},"institutions":[{"id":"https://openalex.org/I4210155777","display_name":"Instituto Federal Sul-rio-grandense","ror":"https://ror.org/05dr32318","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210155777"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bruno Fontana Da Silva","raw_affiliation_strings":["Advanced Analytics, Magazine Luiza, S\u00e3o Paulo, Brazil","IFSul - Instituto Federal Sul-rio-grandense [Pelotas] (R. Gon\u00e7alves Chaves, 3218 - Centro, Pelotas - RS, 96015-560, Br\u00e9sil - Brazil)"],"raw_orcid":"https://orcid.org/0000-0003-2382-0952","affiliations":[{"raw_affiliation_string":"Advanced Analytics, Magazine Luiza, S\u00e3o Paulo, Brazil","institution_ids":[]},{"raw_affiliation_string":"IFSul - Instituto Federal Sul-rio-grandense [Pelotas] (R. Gon\u00e7alves Chaves, 3218 - Centro, Pelotas - RS, 96015-560, Br\u00e9sil - Brazil)","institution_ids":["https://openalex.org/I4210155777"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038639102","display_name":"Bartolomeu F. Uch\u00f4a-Filho","orcid":"https://orcid.org/0000-0003-3727-3988"},"institutions":[{"id":"https://openalex.org/I4104125","display_name":"Universidade Federal de Santa Catarina","ror":"https://ror.org/041akq887","country_code":"BR","type":"education","lineage":["https://openalex.org/I4104125"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bartolomeu F. Uchoa-Filho","raw_affiliation_strings":["GPqCom/LCS/EEL, Federal University of Santa Catarina, Florian\u00f3polis, Brazil","UFSC - Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florian\u00f3polis] (R. Eng. Agron\u00f4mico Andrei Cristian Ferreira, s/n - Trindade, Florian\u00f3polis - SC, 88040-900 - Brazil)"],"raw_orcid":"https://orcid.org/0000-0003-3727-3988","affiliations":[{"raw_affiliation_string":"GPqCom/LCS/EEL, Federal University of Santa Catarina, Florian\u00f3polis, Brazil","institution_ids":["https://openalex.org/I4104125"]},{"raw_affiliation_string":"UFSC - Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florian\u00f3polis] (R. Eng. Agron\u00f4mico Andrei Cristian Ferreira, s/n - Trindade, Florian\u00f3polis - SC, 88040-900 - Brazil)","institution_ids":["https://openalex.org/I4104125"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1553,"currency":"EUR","value_usd":1674},"fwci":0.5901,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.67316214,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"10","issue":null,"first_page":"516","last_page":"534"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.998199999332428,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9979000091552734,"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/codebook","display_name":"Codebook","score":0.8357857465744019},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7220630645751953},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6965579390525818},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.6437626481056213},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5744404792785645},{"id":"https://openalex.org/keywords/pruning","display_name":"Pruning","score":0.5109404921531677},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5032307505607605},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.43197423219680786},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.37975189089775085},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11119583249092102}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8357857465744019},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7220630645751953},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6965579390525818},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.6437626481056213},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5744404792785645},{"id":"https://openalex.org/C108010975","wikidata":"https://www.wikidata.org/wiki/Q500094","display_name":"Pruning","level":2,"score":0.5109404921531677},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5032307505607605},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.43197423219680786},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.37975189089775085},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11119583249092102},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2021.3136303","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3136303","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9668973/09654219.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-03541812v1","is_oa":true,"landing_page_url":"https://hal.science/hal-03541812","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, 2021, 10, pp.516-534. ⟨10.1109/ACCESS.2021.3136303⟩","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:1b63adf05df649a59f706627abf64fd0","is_oa":true,"landing_page_url":"https://doaj.org/article/1b63adf05df649a59f706627abf64fd0","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":"IEEE Access, Vol 10, Pp 516-534 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3136303","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3136303","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9668973/09654219.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.47999998927116394,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4206458388.pdf","grobid_xml":"https://content.openalex.org/works/W4206458388.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W1830563054","https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2054620919","https://openalex.org/W2062378043","https://openalex.org/W2097174089","https://openalex.org/W2116631972","https://openalex.org/W2124894634","https://openalex.org/W2139317044","https://openalex.org/W2171470636","https://openalex.org/W2534276206","https://openalex.org/W2558871231","https://openalex.org/W2603370583","https://openalex.org/W2748265480","https://openalex.org/W2753893743","https://openalex.org/W2786782135","https://openalex.org/W2809267483","https://openalex.org/W2887860413","https://openalex.org/W2962896080","https://openalex.org/W2964181299","https://openalex.org/W2964279641","https://openalex.org/W2964630359","https://openalex.org/W2968739580","https://openalex.org/W2981590495","https://openalex.org/W3000714616","https://openalex.org/W3007990687","https://openalex.org/W3019643755","https://openalex.org/W3099517599"],"related_works":["https://openalex.org/W2293149949","https://openalex.org/W2026099691","https://openalex.org/W4284672201","https://openalex.org/W2377486419","https://openalex.org/W2133008004","https://openalex.org/W4315777848","https://openalex.org/W2011867735","https://openalex.org/W4282958949","https://openalex.org/W2792172447","https://openalex.org/W4224883704"],"abstract_inverted_index":{"Sparse":[0],"code":[1],"multiple":[2],"access":[3],"(SCMA)":[4],"is":[5,47,53,133,193,199],"one":[6],"of":[7,65,128,168],"the":[8,19,44,50,63,69,82,101,110,119,125,137,142,159,164,169,179,183,190,196],"promising":[9],"schemes":[10],"to":[11,117,136],"meet":[12],"high":[13],"connectivity":[14],"and":[15,93,114,146,155,157,186,195],"spectral":[16],"efficiency":[17],"in":[18,62,103],"future":[20],"wireless":[21],"networks.":[22],"The":[23],"iterative":[24,184],"detectors,":[25],"for":[26,86,90],"example":[27],"message":[28],"passing":[29],"algorithm":[30],"(MPA),":[31],"can":[32],"provide":[33],"near":[34],"optimal":[35],"multiuser":[36],"detection":[37],"(MUD)":[38],"performance":[39],"but":[40,107],"becomes":[41],"infeasible":[42],"when":[43,189],"codebook":[45,126,197],"size":[46,198],"large":[48],"or":[49],"overloading":[51,138,191],"factor":[52,192],"high.":[54],"Recently,":[55],"sphere":[56,88],"decoding":[57,89],"(SD)":[58],"has":[59],"been":[60],"considered":[61],"MUD":[64,147],"SCMA":[66,91],"by":[67],"rewriting":[68],"generalized":[70,94],"transmission":[71],"into":[72],"a":[73,104],"linear":[74],"system.":[75],"In":[76,163],"this":[77],"work,":[78],"we":[79,149],"first":[80],"review":[81],"state-of-the-art":[83,102,188],"SD-based":[84,187],"detectors":[85,185],"SCMA:":[87],"(SD-SCMA)":[92],"SD-SCMA":[95],"(GSD-SCMA).":[96],"We":[97],"not":[98],"only":[99],"explain":[100],"comprehensive":[105],"way,":[106],"also":[108],"exploit":[109],"sorted":[111],"QR":[112],"decomposition":[113],"Schnorr-Euchner":[115],"enumeration":[116],"accelerate":[118],"tree":[120],"search.":[121],"Although":[122],"GSD-SCMA":[123,161],"overcomes":[124],"constraint":[127],"SD-SCMA,":[129],"its":[130],"computational":[131],"complexity":[132,145],"extremely":[134],"sensitive":[135],"factor.":[139],"To":[140],"satisfy":[141],"trade-off":[143],"between":[144],"performance,":[148],"propose":[150],"two":[151],"pruning":[152,171],"algorithms,":[153],"PRUN1":[154],"PRUN2,":[156],"introduce":[158],"simplified":[160],"(SGSD-SCMA).":[162],"paper,":[165],"error":[166],"probabilities":[167],"proposed":[170,180],"algorithms":[172],"are":[173],"derived.":[174],"Simulation":[175],"results":[176],"show":[177],"that":[178],"detector":[181],"outperforms":[182],"moderate":[194],"large.":[200]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}