{"id":"https://openalex.org/W4413156373","doi":"https://doi.org/10.1109/lcomm.2025.3598006","title":"Joint LDPC Code and Spreading Optimization for Multi-User Communications","display_name":"Joint LDPC Code and Spreading Optimization for Multi-User Communications","publication_year":2025,"publication_date":"2025-08-12","ids":{"openalex":"https://openalex.org/W4413156373","doi":"https://doi.org/10.1109/lcomm.2025.3598006"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2025.3598006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3598006","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/A5044332886","display_name":"Meilin He","orcid":"https://orcid.org/0000-0002-1615-8924"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meilin He","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-1615-8924","affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Zheng Xing","orcid":"https://orcid.org/0009-0001-1512-7085"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Xing","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0001-1512-7085","affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100751311","display_name":"Zhaoyang Zhang","orcid":"https://orcid.org/0000-0003-2346-6228"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaoyang Zhang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2346-6228","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004613143","display_name":"Rui Guo","orcid":"https://orcid.org/0000-0003-2575-1903"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Guo","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2575-1903","affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024902708","display_name":"Haiquan Wang","orcid":"https://orcid.org/0000-0002-8346-9802"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiquan Wang","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-8346-9802","affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]}],"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":0.20113047,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"10","first_page":"2391","last_page":"2395"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9807999730110168,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.972000002861023,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/computer-science","display_name":"Computer science","score":0.7795893549919128},{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.68819260597229},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.6723644733428955},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.4739258885383606},{"id":"https://openalex.org/keywords/forward-error-correction","display_name":"Forward error correction","score":0.4642300009727478},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.45892858505249023},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.36012616753578186},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3316420912742615},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3085535168647766},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.1088641881942749},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09660470485687256}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7795893549919128},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.68819260597229},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6723644733428955},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4739258885383606},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.4642300009727478},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.45892858505249023},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.36012616753578186},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3316420912742615},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3085535168647766},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.1088641881942749},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09660470485687256},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"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.2025.3598006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3598006","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":[],"awards":[{"id":"https://openalex.org/G2361871290","display_name":null,"funder_award_id":"62394292","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8827889974","display_name":null,"funder_award_id":"62101169","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":19,"referenced_works":["https://openalex.org/W2008348149","https://openalex.org/W2023911844","https://openalex.org/W2066526279","https://openalex.org/W2101394529","https://openalex.org/W2111211848","https://openalex.org/W2127490352","https://openalex.org/W2128765501","https://openalex.org/W2169732368","https://openalex.org/W2558392635","https://openalex.org/W2806594972","https://openalex.org/W3006023281","https://openalex.org/W3197957400","https://openalex.org/W3211304744","https://openalex.org/W4285164098","https://openalex.org/W4315473055","https://openalex.org/W4391984495","https://openalex.org/W4394863101","https://openalex.org/W4404294285","https://openalex.org/W4405601323"],"related_works":["https://openalex.org/W2623918504","https://openalex.org/W2957709805","https://openalex.org/W1968289971","https://openalex.org/W2916248738","https://openalex.org/W1968720239","https://openalex.org/W4300588357","https://openalex.org/W2622922565","https://openalex.org/W2100531868","https://openalex.org/W2121747124","https://openalex.org/W2011630204"],"abstract_inverted_index":{"Closed-form":[0],"expressions":[1,37],"of":[2,6,38,75,90],"the":[3,35,76,80,99,106],"degree":[4,28,41,93],"distribution":[5,94],"regular":[7],"low-density":[8],"parity-check":[9],"codes":[10],"and":[11,48,95,117,119],"spreading":[12,49,96],"length":[13,50,97],"are":[14,52,102],"presented":[15],"over":[16],"a":[17,24,60],"Gaussian":[18],"multiple":[19],"access":[20],"channel.":[21],"Specifically,":[22],"given":[23],"specific":[25],"variable":[26],"node":[27,40],"<inline-formula":[29,42,83],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[30,43,84],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[31,44,85],"<tex-math":[32,45,86],"notation=\"LaTeX\">$d_{v}$":[33],"</tex-math></inline-formula>,":[34],"theoretical":[36],"check":[39],"notation=\"LaTeX\">$d_{c}$":[46],"</tex-math></inline-formula>":[47,89],"m":[51],"derived":[53],"by":[54,72],"fixed":[55],"point":[56],"equation":[57],"array.":[58],"Then,":[59],"reliable":[61,100],"region":[62,101],"where":[63],"our":[64,113],"multi-user":[65],"system":[66],"can":[67],"decode":[68],"successfully":[69],"is":[70,115],"obtained":[71],"solving":[73],"uncertainty":[74],"inverse":[77],"problem.":[78],"Finally,":[79],"optimal":[81],"parameters":[82],"notation=\"LaTeX\">$(d_{c}^{o},":[87],"d_{v}^{o},m^{o})$":[88],"LDPC":[91],"code":[92],"in":[98],"selected":[103],"to":[104],"maximize":[105],"transmission":[107],"rate.":[108],"Numerical":[109],"results":[110],"show":[111],"that":[112],"derivation":[114],"effective":[116],"efficient,":[118],"exhibits":[120],"much":[121],"lower":[122],"complexity":[123],"than":[124],"EXIT":[125],"chart.":[126]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
