{"id":"https://openalex.org/W4285242084","doi":"https://doi.org/10.1109/tvt.2022.3175540","title":"A Low-Complexity Codebook Design Scheme for SCMA Systems Over an AWGN Channel","display_name":"A Low-Complexity Codebook Design Scheme for SCMA Systems Over an AWGN Channel","publication_year":2022,"publication_date":"2022-05-19","ids":{"openalex":"https://openalex.org/W4285242084","doi":"https://doi.org/10.1109/tvt.2022.3175540"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2022.3175540","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3175540","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5024264656","display_name":"Yu Zheng","orcid":"https://orcid.org/0000-0001-5036-4310"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]},{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yu Zheng","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","Peng Cheng Laboratory, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-5036-4310","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]},{"raw_affiliation_string":"Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062600397","display_name":"Jiantao Xin","orcid":"https://orcid.org/0000-0002-0307-828X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiantao Xin","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100460773","display_name":"Hui Wang","orcid":"https://orcid.org/0000-0002-3575-0595"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Wang","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100413418","display_name":"Shengli Zhang","orcid":"https://orcid.org/0000-0002-7937-5870"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]},{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengli Zhang","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","Peng Cheng Laboratory, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0002-7937-5870","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]},{"raw_affiliation_string":"Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112883004","display_name":"Yongjie Qiao","orcid":"https://orcid.org/0009-0001-7280-293X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongjie Qiao","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5024264656"],"corresponding_institution_ids":["https://openalex.org/I180726961","https://openalex.org/I4210136793"],"apc_list":null,"apc_paid":null,"fwci":1.2932,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.79062324,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"71","issue":"8","first_page":"8675","last_page":"8688"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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":1.0,"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":0.9934999942779541,"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":0.9922999739646912,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.9883853197097778},{"id":"https://openalex.org/keywords/linde\u2013buzo\u2013gray-algorithm","display_name":"Linde\u2013Buzo\u2013Gray algorithm","score":0.7747217416763306},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5907268524169922},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5351119637489319},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5170508027076721},{"id":"https://openalex.org/keywords/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.4972851574420929},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4300515055656433},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.4283648729324341},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.35014551877975464},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3436643183231354},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13896805047988892},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.10531318187713623}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9883853197097778},{"id":"https://openalex.org/C93372532","wikidata":"https://www.wikidata.org/wiki/Q6552455","display_name":"Linde\u2013Buzo\u2013Gray algorithm","level":3,"score":0.7747217416763306},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5907268524169922},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5351119637489319},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5170508027076721},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.4972851574420929},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4300515055656433},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.4283648729324341},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35014551877975464},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3436643183231354},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13896805047988892},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.10531318187713623}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2022.3175540","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3175540","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7938803769","display_name":null,"funder_award_id":"62171291","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1922937245","https://openalex.org/W2008104692","https://openalex.org/W2031991550","https://openalex.org/W2042519026","https://openalex.org/W2103769613","https://openalex.org/W2124894634","https://openalex.org/W2132271510","https://openalex.org/W2136162940","https://openalex.org/W2137813581","https://openalex.org/W2156787051","https://openalex.org/W2185584029","https://openalex.org/W2189419313","https://openalex.org/W2262962221","https://openalex.org/W2519194698","https://openalex.org/W2530670282","https://openalex.org/W2546853821","https://openalex.org/W2558871231","https://openalex.org/W2565074646","https://openalex.org/W2579306024","https://openalex.org/W2593351034","https://openalex.org/W2610637173","https://openalex.org/W2739704171","https://openalex.org/W2740641223","https://openalex.org/W2742474822","https://openalex.org/W2753893743","https://openalex.org/W2773128969","https://openalex.org/W2805396674","https://openalex.org/W2964049979","https://openalex.org/W2968739580","https://openalex.org/W2994133669","https://openalex.org/W3002947360","https://openalex.org/W3007836891","https://openalex.org/W3007990687","https://openalex.org/W3081327787","https://openalex.org/W4206536855","https://openalex.org/W6679438405","https://openalex.org/W6683690430","https://openalex.org/W6745636752","https://openalex.org/W6784622987"],"related_works":["https://openalex.org/W2360264381","https://openalex.org/W2352292447","https://openalex.org/W2166950402","https://openalex.org/W2373608884","https://openalex.org/W1953588260","https://openalex.org/W2131878389","https://openalex.org/W2981590495","https://openalex.org/W2098280684","https://openalex.org/W2795078089","https://openalex.org/W4285242084"],"abstract_inverted_index":{"As":[0],"a":[1,44,49,54,60,108,121,155,158,189],"promising":[2],"wireless":[3],"access":[4,9],"technique,":[5],"sparse":[6],"code":[7],"multiple":[8,79],"(SCMA)":[10],"directly":[11],"maps":[12],"the":[13,17,23,68,71,93,96,100,113,131,135,147,170,173,183,197,201,210,214,224,228,234],"input":[14,149],"bits":[15],"to":[16,22,66,84,145,168,223],"transmitted":[18,137],"multidimensional":[19],"codewords":[20],"according":[21],"SCMA":[24,28,46,238],"codebook.":[25],"In":[26,39],"general,":[27],"codebook":[29,47,58,62,102,115,119,133,199,204,230],"optimization":[30],"and":[31,112,233],"detector":[32,161,179],"simplification":[33],"are":[34,89],"independent":[35,245],"of":[36,70,95,163,172,213],"each":[37,139,185],"other.":[38],"this":[40,77],"article,":[41],"we":[42,153],"propose":[43,154],"simplified":[45],"with":[48],"separable":[50,61,114,132],"structure":[51,63,109],"for":[52],"implementing":[53],"low-complexity":[55,165,190],"detector.":[56,192],"For":[57],"design,":[59],"is":[64,104,187,218],"proposed":[65,118,198,229],"simplify":[67],"maximization":[69],"minimum":[72],"Euclidean":[73],"distance":[74],"(MED).":[75],"With":[76,227],"structure,":[78,134],"one-dimensional":[80],"complex":[81],"codebooks":[82],"corresponding":[83,148],"one":[85],"resource":[86],"element":[87],"(RE)":[88],"determined":[90],"by":[91,126,220],"maximizing":[92],"MED":[94,123],"superimposed":[97],"codewords.":[98],"Then,":[99],"entire":[101],"set":[103],"obtained":[105,125],"based":[106],"on":[107],"indicator":[110],"matrix":[111],"structure.":[116],"The":[117],"has":[120],"larger":[122],"than":[124],"existing":[127],"codebooks.":[128],"Benefiting":[129],"from":[130],"signals":[136],"over":[138,205],"RE":[140,186],"can":[141,240],"be":[142,241],"independently":[143],"used":[144],"recover":[146],"bit":[150],"information.":[151],"Therefore,":[152],"parallel":[156],"maximum":[157],"posteriori":[159],"(P-MAP)":[160],"consisting":[162],"several":[164],"MAP":[166,191],"detectors":[167],"reduce":[169],"complexity":[171],"conventional":[174],"multiuser":[175],"message":[176],"passing":[177],"(MP)":[178],"in":[180],"SCMA.":[181],"At":[182],"receiver,":[184],"assigned":[188],"Simulation":[193],"results":[194],"show":[195],"that":[196],"outperforms":[200],"known":[202],"optimal":[203],"an":[206,237],"AWGN":[207],"channel.":[208],"Moreover,":[209],"run":[211],"time":[212],"P-MAP":[215,235],"detection":[216],"algorithm":[217],"reduced":[219],"99.8%":[221],"compared":[222],"Log-MPA":[225],"algorithm.":[226],"design":[231],"scheme":[232],"detector,":[236],"unit":[239],"separated":[242],"into":[243],"two":[244],"non-SCMA":[246],"units,":[247],"which":[248],"significantly":[249],"increases":[250],"system":[251],"flexibility.":[252]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}