{"id":"https://openalex.org/W3009290987","doi":"https://doi.org/10.1109/globecom38437.2019.9013149","title":"Joint User Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA","display_name":"Joint User Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA","publication_year":2019,"publication_date":"2019-12-01","ids":{"openalex":"https://openalex.org/W3009290987","doi":"https://doi.org/10.1109/globecom38437.2019.9013149","mag":"3009290987"},"language":"en","primary_location":{"id":"doi:10.1109/globecom38437.2019.9013149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom38437.2019.9013149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5021941839","display_name":"Shuchao Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuchao Jiang","raw_affiliation_strings":["Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063946480","display_name":"Xiaojun Yuan","orcid":"https://orcid.org/0000-0002-0433-6535"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojun Yuan","raw_affiliation_strings":["Center for Intelligent Networking and Communication (CINC), University of Electronic Sci. and Tech. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Intelligent Networking and Communication (CINC), University of Electronic Sci. and Tech. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100328094","display_name":"Xin Wang","orcid":"https://orcid.org/0000-0003-2292-3845"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Wang","raw_affiliation_strings":["Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057657686","display_name":"Chongbin Xu","orcid":"https://orcid.org/0000-0003-0808-8572"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chongbin Xu","raw_affiliation_strings":["Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communication Science & Engineering, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9983999729156494,"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":0.9968000054359436,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8259596228599548},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6567212343215942},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.6499898433685303},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.6103686094284058},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.5957160592079163},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5260871648788452},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4689837098121643},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4658694267272949},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.4589032530784607},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4358583688735962},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.4335811734199524},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.41999104619026184},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.39022982120513916},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36676713824272156},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3217872977256775},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3015948235988617},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.16772392392158508},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.14388185739517212},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09571647644042969}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8259596228599548},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6567212343215942},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.6499898433685303},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.6103686094284058},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.5957160592079163},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5260871648788452},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4689837098121643},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4658694267272949},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.4589032530784607},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4358583688735962},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4335811734199524},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.41999104619026184},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.39022982120513916},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36676713824272156},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3217872977256775},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3015948235988617},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.16772392392158508},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.14388185739517212},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09571647644042969},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom38437.2019.9013149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom38437.2019.9013149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1574260077","https://openalex.org/W1763302039","https://openalex.org/W1922937245","https://openalex.org/W2042768148","https://openalex.org/W2082029531","https://openalex.org/W2110767187","https://openalex.org/W2344857408","https://openalex.org/W2548516812","https://openalex.org/W2604470139","https://openalex.org/W2610971674","https://openalex.org/W2611311577","https://openalex.org/W2706056020","https://openalex.org/W2777627674","https://openalex.org/W2792046898","https://openalex.org/W2883289908","https://openalex.org/W2890736047","https://openalex.org/W2963408947","https://openalex.org/W3098848552"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W4309235375","https://openalex.org/W2887349183","https://openalex.org/W4285169015"],"abstract_inverted_index":{"Massive":[0],"machine-type":[1],"communication":[2,208],"is":[3,98,119,168,194,202],"one":[4,97],"of":[5,19,85,143,191,199],"the":[6,46,79,90,103,117,130,134,139,145,176,185,189,197],"most":[7],"important":[8],"scenarios":[9],"for":[10,52,110,124,205],"future":[11],"wireless":[12],"communications.":[13],"Due":[14],"to":[15,77,151],"its":[16,23,111],"huge":[17],"number":[18,198],"potential":[20],"users":[21],"and":[22,44,67,114,137,170],"bursty":[24],"packet":[25],"arrivals,":[26],"centralized":[27],"control":[28],"may":[29],"incur":[30],"a":[31,41,50,61,99,120,153,180],"prohibitively":[32],"high":[33],"overhead.":[34],"Grant-free":[35],"non-orthogonal":[36],"multiple":[37],"access":[38],"(NOMA)":[39],"provides":[40],"possible":[42],"solution,":[43],"at":[45],"same":[47],"time":[48],"poses":[49],"challenge":[51],"efficient":[53,165],"receiver":[54,93],"design.":[55],"In":[56],"this":[57],"paper,":[58],"we":[59,88,149],"propose":[60,150],"joint":[62],"user":[63],"identification,":[64],"channel":[65],"estimation,":[66],"signal":[68],"detection":[69],"(JUICESD)":[70],"scheme":[71,178,193],"based":[72],"on":[73],"message":[74,106,131,159],"passing":[75,107,132],"principles":[76],"solve":[78],"problem.":[80],"By":[81],"introducing":[82],"two":[83,95,140],"types":[84],"auxiliary":[86],"variables,":[87],"divide":[89],"whole":[91],"iterative":[92,166],"into":[94],"modules:":[96],"linear":[100,195],"module":[101,122,136],"leveraging":[102],"existing":[104,186],"approximate":[105],"(AMP)":[108],"algorithm":[109,167],"low":[112],"complexity":[113,190],"asymptotic":[115],"optimality;":[116],"other":[118],"non-linear":[121,135],"decoupled":[123],"different":[125],"users.":[126],"We":[127],"further":[128],"discuss":[129],"in":[133,158],"between":[138],"modules.":[141],"Instead":[142],"using":[144],"conventional":[146],"Gaussian":[147,155],"approximation,":[148],"use":[152],"structured":[154],"mixture":[156],"approximation":[157],"updates.":[160],"With":[161],"these":[162],"ideas,":[163],"an":[164],"developed":[169],"analyzed.":[171],"Numerical":[172],"results":[173],"show":[174],"that":[175],"proposed":[177],"achieves":[179],"significant":[181],"performance":[182],"improvement":[183],"over":[184],"alternatives.":[187],"Moreover,":[188],"our":[192],"with":[196,209],"users,":[200],"which":[201],"especially":[203],"suitable":[204],"machine":[206],"type":[207],"massive":[210],"devices.":[211]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}