{"id":"https://openalex.org/W4416513321","doi":"https://doi.org/10.1109/tcomm.2025.3636081","title":"Design and Analysis of Sparse Linear Precoding for Unsourced Random Access","display_name":"Design and Analysis of Sparse Linear Precoding for Unsourced Random Access","publication_year":2025,"publication_date":"2025-11-21","ids":{"openalex":"https://openalex.org/W4416513321","doi":"https://doi.org/10.1109/tcomm.2025.3636081"},"language":null,"primary_location":{"id":"doi:10.1109/tcomm.2025.3636081","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3636081","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","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/A5056446385","display_name":"Jian Dang","orcid":"https://orcid.org/0000-0002-4199-9645"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]}],"countries":["BD"],"is_corresponding":true,"raw_author_name":"Jian Dang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Frontier Science Center of Information Communications and Security, Southeast University, Nanjing, China","Frontier Science Center of Information Communications and Security, National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Frontier Science Center of Information Communications and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I4210090971"]},{"raw_affiliation_string":"Frontier Science Center of Information Communications and Security, National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I4210090971"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083864182","display_name":"Chunguo Li","orcid":"https://orcid.org/0000-0002-4689-7226"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunguo Li","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030581708","display_name":"Kang Song","orcid":"https://orcid.org/0000-0002-1557-3966"},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kang Song","raw_affiliation_strings":["College of Electronics and Information, Qingdao University, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Electronics and Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065362219","display_name":"Yongpeng Wu","orcid":"https://orcid.org/0000-0001-8210-5057"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongpeng Wu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Minhang, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Minhang, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027587940","display_name":"Zaichen Zhang","orcid":"https://orcid.org/0000-0003-4301-8713"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"Zaichen Zhang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Frontier Science Center of Information Communications and Security, Southeast University, Nanjing, China","Frontier Science Center of Information Communications and Security, National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Frontier Science Center of Information Communications and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I4210090971"]},{"raw_affiliation_string":"Frontier Science Center of Information Communications and Security, National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I4210090971"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5056446385"],"corresponding_institution_ids":["https://openalex.org/I4210090971"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.33836431,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"1513","last_page":"1527"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.4560000002384186,"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":0.4560000002384186,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.14239999651908875,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.13429999351501465,"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/random-access","display_name":"Random access","score":0.6123999953269958},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5809999704360962},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.43779999017715454},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42660000920295715},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.4115000069141388},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.3709999918937683},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.3702000081539154},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.3628000020980835},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.35659998655319214}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6557999849319458},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.6123999953269958},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5809999704360962},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4862000048160553},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.43779999017715454},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42660000920295715},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.4115000069141388},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4083000123500824},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.3709999918937683},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.3702000081539154},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.3628000020980835},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.35659998655319214},{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.35589998960494995},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3553999960422516},{"id":"https://openalex.org/C2780551164","wikidata":"https://www.wikidata.org/wiki/Q2306599","display_name":"Column (typography)","level":3,"score":0.33570000529289246},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.33399999141693115},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.33090001344680786},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3070000112056732},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3027999997138977},{"id":"https://openalex.org/C186394612","wikidata":"https://www.wikidata.org/wiki/Q7098942","display_name":"Optimal design","level":2,"score":0.2994999885559082},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.29089999198913574},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.2890999913215637},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.287200003862381},{"id":"https://openalex.org/C2778140939","wikidata":"https://www.wikidata.org/wiki/Q3494197","display_name":"Space-division multiple access","level":3,"score":0.28600001335144043},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.2838999927043915},{"id":"https://openalex.org/C203233044","wikidata":"https://www.wikidata.org/wiki/Q5264358","display_name":"Design matrix","level":3,"score":0.2732999920845032},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.2696000039577484},{"id":"https://openalex.org/C64812099","wikidata":"https://www.wikidata.org/wiki/Q176604","display_name":"Random matrix","level":3,"score":0.267300009727478},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.26330000162124634},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.2603999972343445},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.2565999925136566}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3636081","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3636081","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4950456183","display_name":null,"funder_award_id":"BP0719010","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"},{"id":"https://openalex.org/G6360183275","display_name":null,"funder_award_id":"22DZ2229005","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G7900524298","display_name":null,"funder_award_id":"62171119","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"},{"id":"https://openalex.org/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"},{"id":"https://openalex.org/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W2113165941","https://openalex.org/W2117890770","https://openalex.org/W2137813581","https://openalex.org/W2327355331","https://openalex.org/W2742359230","https://openalex.org/W2999794369","https://openalex.org/W3010242058","https://openalex.org/W3046595859","https://openalex.org/W3110007321","https://openalex.org/W3190727043","https://openalex.org/W3206236529","https://openalex.org/W4220863604","https://openalex.org/W4312701615","https://openalex.org/W4315629720","https://openalex.org/W4319338670","https://openalex.org/W4366377755","https://openalex.org/W4367281519","https://openalex.org/W4376480904","https://openalex.org/W4381301879","https://openalex.org/W4387092585","https://openalex.org/W4389544547","https://openalex.org/W4391305556","https://openalex.org/W4396782798","https://openalex.org/W4396941482","https://openalex.org/W4401507976","https://openalex.org/W4401692126","https://openalex.org/W4401694058","https://openalex.org/W4402473949","https://openalex.org/W4404952423","https://openalex.org/W4407831498","https://openalex.org/W4408145379","https://openalex.org/W4410228135","https://openalex.org/W4410492184","https://openalex.org/W4411600920","https://openalex.org/W4414463166","https://openalex.org/W4414648051"],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,30,55,71,173],"unified":[4],"sparse":[5,19,39],"transmission":[6],"framework":[7,148],"for":[8,138,176],"coded":[9],"modulation-based":[10],"unsourced":[11],"random":[12,37],"access":[13,43,49],"(URA)":[14],"systems,":[15],"referred":[16],"to":[17,106],"as":[18,51],"linear":[20],"precoded":[21],"URA":[22,34,178],"(SLP-URA).":[23],"The":[24],"proposed":[25,146],"design":[26,57,180],"generalizes":[27],"and":[28,45,82,89,131,181],"unifies":[29],"variety":[31],"of":[32,54,124],"existing":[33],"schemes":[35],"including":[36],"spreading,":[38],"interleave":[40],"division":[41,47],"multiple":[42,48],"(IDMA),":[44],"on-off":[46],"(ODMA)":[50],"special":[52],"cases":[53],"broader":[56],"space":[58],"characterized":[59],"by":[60],"tunable":[61],"sparsity":[62,97],"structures.":[63],"To":[64],"support":[65],"this":[66],"flexible":[67],"framework,":[68],"we":[69,117],"derive":[70],"consistent":[72],"generalized":[73],"log-likelihood":[74],"ratio":[75,114],"(LLR)-based":[76],"active":[77],"user":[78],"detection":[79,91,165],"(AUD)":[80],"method,":[81],"further":[83],"propose":[84],"message":[85],"passing":[86],"(MP)-based":[87],"AUD":[88],"multi-user":[90],"(MUD)":[92],"algorithms":[93],"that":[94,119,144,170],"accommodate":[95],"arbitrary":[96],"patterns.":[98],"An":[99],"approximate":[100],"low-complexity":[101],"implementation":[102],"is":[103],"also":[104],"introduced":[105],"reduce":[107],"computational":[108],"burden.":[109],"Through":[110],"rigorous":[111,135],"symbol-level":[112],"signal-to-interference-plus-noise":[113],"(SINR)":[115],"analysis,":[116],"establish":[118],"increasing":[120],"the":[121,125,139,145,159],"column":[122],"weight":[123],"SLP":[126],"matrix":[127],"reduces":[128],"SINR":[129],"variance":[130],"outage":[132],"probability,":[133],"providing":[134],"theoretical":[136],"grounding":[137],"performance":[140,152],"gains.":[141],"Simulations":[142],"demonstrate":[143],"SLP-URA":[147,171],"consistently":[149],"achieves":[150],"improved":[151],"over":[153],"conventional":[154],"ODMA":[155],"schemes,":[156],"even":[157],"when":[158],"latter":[160],"are":[161],"equipped":[162],"with":[163],"enhanced":[164],"algorithms.":[166],"These":[167],"results":[168],"suggest":[169],"provides":[172],"robust":[174],"foundation":[175],"future":[177],"system":[179],"optimization.":[182]},"counts_by_year":[],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-11-23T00:00:00"}
