{"id":"https://openalex.org/W4407937866","doi":"https://doi.org/10.1109/lcomm.2025.3545470","title":"Structured SCMA Codebook Design by Joint Parameter Optimization Based on Union Bound","display_name":"Structured SCMA Codebook Design by Joint Parameter Optimization Based on Union Bound","publication_year":2025,"publication_date":"2025-02-25","ids":{"openalex":"https://openalex.org/W4407937866","doi":"https://doi.org/10.1109/lcomm.2025.3545470"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2025.3545470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3545470","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","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/A5081621987","display_name":"Shuangduo Zhang","orcid":"https://orcid.org/0009-0001-7539-8231"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuangduo Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0009-0001-7539-8231","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006460520","display_name":"Zheng Xiang","orcid":"https://orcid.org/0000-0002-1503-2895"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Xiang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-1503-2895","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101812702","display_name":"Peng Ren","orcid":"https://orcid.org/0000-0003-3941-7842"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Ren","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-3941-7842","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100649425","display_name":"Wei Li","orcid":"https://orcid.org/0000-0002-4940-2284"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wei Li","raw_affiliation_strings":["Department of Information Science, Xi’an University of Technology, Xi’an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Science, Xi’an University of Technology, Xi’an, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037478980","display_name":"Long Yang","orcid":"https://orcid.org/0000-0002-9363-2044"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Long Yang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-9363-2044","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02084135,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"5","first_page":"913","last_page":"917"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9714999794960022,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9714999794960022,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9652000069618225,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11797","display_name":"graph theory and CDMA systems","score":0.9527000188827515,"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":0.9245418310165405},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.6509672999382019},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6259258985519409},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4610013961791992},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4455106854438782},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3541145920753479},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3380086421966553},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24048307538032532},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13486900925636292}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9245418310165405},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6509672999382019},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6259258985519409},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4610013961791992},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4455106854438782},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3541145920753479},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3380086421966553},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24048307538032532},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13486900925636292},{"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/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2025.3545470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3545470","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[{"id":"https://openalex.org/G4849224320","display_name":"\u79fb\u52a8\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u7f13\u5b58\u7f51\u7edc\u4f4e\u65f6\u5ef6NOMA\u4f20\u8f93\u6280\u672f\u7814\u7a76","funder_award_id":"61971320","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7404687619","display_name":null,"funder_award_id":"Grant No. 61971320","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":16,"referenced_works":["https://openalex.org/W1954214817","https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2103870274","https://openalex.org/W2541373058","https://openalex.org/W2738195987","https://openalex.org/W2794723495","https://openalex.org/W2887860413","https://openalex.org/W3007836891","https://openalex.org/W3044610462","https://openalex.org/W3133516599","https://openalex.org/W3154014948","https://openalex.org/W4206536855","https://openalex.org/W4321482236","https://openalex.org/W4396214929","https://openalex.org/W4400878491"],"related_works":["https://openalex.org/W2026099691","https://openalex.org/W4284672201","https://openalex.org/W2377486419","https://openalex.org/W2943202426","https://openalex.org/W2137816434","https://openalex.org/W2163679795","https://openalex.org/W2736714427","https://openalex.org/W2017956276","https://openalex.org/W2048606991","https://openalex.org/W2950156284"],"abstract_inverted_index":{"In":[0],"the":[1,12,26,39,45,54,68,74,92,97,103,112,132,138,148,151],"structured":[2,83],"codebook":[3,35,84,153],"design":[4,36,85,133,154],"for":[5,57,86,110],"sparse":[6],"code":[7],"multiple":[8],"access":[9],"(SCMA)":[10],"systems,":[11],"constellation":[13,15],"structure,":[14],"mapping":[16],"matrix":[17],"(CMM),":[18],"and":[19,101,119],"bit":[20,116],"labeling":[21,117],"are":[22],"critical":[23],"factors":[24,122],"influencing":[25],"error":[27,76,104],"performance":[28,55],"of":[29,99,150],"optimized":[30],"codebooks.":[31],"However,":[32],"existing":[33,64],"multi-stage":[34],"methods":[37],"limit":[38],"potential":[40],"coding":[41],"gain.":[42],"Besides,":[43],"although":[44],"minimum":[46],"Euclidean":[47],"distance":[48],"(MED)":[49],"is":[50,129],"commonly":[51],"used":[52],"as":[53,123,131],"criterion":[56],"additive":[58],"white":[59],"Gaussian":[60],"noise":[61],"(AWGN)":[62],"channels,":[63],"works":[65],"indicate":[66],"that":[67],"MED":[69,100],"does":[70],"not":[71],"always":[72],"reflect":[73],"actual":[75],"performance.":[77,105],"This":[78],"letter":[79],"proposes":[80],"a":[81],"novel":[82],"joint":[87],"parameter":[88],"optimization":[89],"based":[90],"on":[91],"union":[93,127],"bound,":[94],"which":[95],"addresses":[96],"mismatch":[98],"enhances":[102],"Specifically,":[106],"we":[107],"develop":[108],"strategies":[109],"constructing":[111],"one-dimensional":[113],"constellations,":[114],"CMMs,":[115],"set,":[118],"treat":[120],"these":[121],"optimizable":[124],"parameters.":[125],"The":[126],"bound":[128],"employed":[130],"metric":[134],"to":[135],"jointly":[136],"optimize":[137],"aforementioned":[139],"parameters":[140],"with":[141],"genetic":[142],"algorithm":[143],"(GA).":[144],"Simulation":[145],"results":[146],"demonstrate":[147],"superiority":[149],"proposed":[152],"method.":[155]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}