{"id":"https://openalex.org/W2910744881","doi":"https://doi.org/10.1109/tvt.2019.2891771","title":"Sparse Code Multiple Access Asynchronous Uplink Multiuser Detection Algorithm","display_name":"Sparse Code Multiple Access Asynchronous Uplink Multiuser Detection Algorithm","publication_year":2019,"publication_date":"2019-01-09","ids":{"openalex":"https://openalex.org/W2910744881","doi":"https://doi.org/10.1109/tvt.2019.2891771","mag":"2910744881"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2019.2891771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2891771","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/A5067201408","display_name":"Qi\u2010Yue Yu","orcid":"https://orcid.org/0000-0003-4360-5985"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qi-Yue Yu","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101825550","display_name":"Huanying Li","orcid":"https://orcid.org/0000-0003-0746-9963"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huan-Ying Li","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101940082","display_name":"Weixiao Meng","orcid":"https://orcid.org/0000-0001-8938-2866"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei-Xiao Meng","raw_affiliation_strings":["Communication Research Center, Harbin Institute of Technology, Harbin, China"],"affiliations":[{"raw_affiliation_string":"Communication Research Center, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100389005","display_name":"Wei Xiang","orcid":"https://orcid.org/0000-0002-0608-065X"},"institutions":[{"id":"https://openalex.org/I86467917","display_name":"James Cook University","ror":"https://ror.org/04gsp2c11","country_code":"AU","type":"education","lineage":["https://openalex.org/I86467917"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wei Xiang","raw_affiliation_strings":["College of Science and Engineering, James Cook University, Cairns, QLD, Australia"],"affiliations":[{"raw_affiliation_string":"College of Science and Engineering, James Cook University, Cairns, QLD, Australia","institution_ids":["https://openalex.org/I86467917"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5067201408"],"corresponding_institution_ids":["https://openalex.org/I204983213"],"apc_list":null,"apc_paid":null,"fwci":0.8445,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.73252144,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"68","issue":"6","first_page":"5557","last_page":"5569"},"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9965000152587891,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9961000084877014,"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/asynchronous-communication","display_name":"Asynchronous communication","score":0.8710795640945435},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8595896363258362},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7660718560218811},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.6652202606201172},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6541878581047058},{"id":"https://openalex.org/keywords/asynchrony","display_name":"Asynchrony (computer programming)","score":0.6134839653968811},{"id":"https://openalex.org/keywords/belief-propagation","display_name":"Belief propagation","score":0.6042969822883606},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6032618880271912},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4633524715900421},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.43845129013061523},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4173424541950226},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.28561511635780334},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.24046948552131653},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.19902464747428894},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.113777756690979},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10270634293556213}],"concepts":[{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.8710795640945435},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8595896363258362},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7660718560218811},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.6652202606201172},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6541878581047058},{"id":"https://openalex.org/C2779019669","wikidata":"https://www.wikidata.org/wiki/Q25203946","display_name":"Asynchrony (computer programming)","level":3,"score":0.6134839653968811},{"id":"https://openalex.org/C152948882","wikidata":"https://www.wikidata.org/wiki/Q4060686","display_name":"Belief propagation","level":3,"score":0.6042969822883606},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6032618880271912},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4633524715900421},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.43845129013061523},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4173424541950226},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.28561511635780334},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.24046948552131653},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.19902464747428894},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.113777756690979},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10270634293556213},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2019.2891771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2891771","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/G1033608059","display_name":null,"funder_award_id":"U1764263","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6926827382","display_name":null,"funder_award_id":"61671171","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":37,"referenced_works":["https://openalex.org/W1595473498","https://openalex.org/W1733806262","https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2060776278","https://openalex.org/W2086456844","https://openalex.org/W2087544022","https://openalex.org/W2124894634","https://openalex.org/W2152993080","https://openalex.org/W2189419313","https://openalex.org/W2221113447","https://openalex.org/W2240421030","https://openalex.org/W2241996900","https://openalex.org/W2288813195","https://openalex.org/W2289950335","https://openalex.org/W2293163892","https://openalex.org/W2314230188","https://openalex.org/W2383626323","https://openalex.org/W2496901463","https://openalex.org/W2599584716","https://openalex.org/W2599941763","https://openalex.org/W2612861257","https://openalex.org/W2740641223","https://openalex.org/W2742474822","https://openalex.org/W2753941074","https://openalex.org/W2765358525","https://openalex.org/W2765493004","https://openalex.org/W2768975401","https://openalex.org/W2769271430","https://openalex.org/W2769656631","https://openalex.org/W2769674652","https://openalex.org/W2803418695","https://openalex.org/W2891388911","https://openalex.org/W2964009355","https://openalex.org/W2964279641","https://openalex.org/W3103737847","https://openalex.org/W4239874014"],"related_works":["https://openalex.org/W2050010277","https://openalex.org/W3125437229","https://openalex.org/W2163364417","https://openalex.org/W2963109230","https://openalex.org/W2896991873","https://openalex.org/W4301665663","https://openalex.org/W2122977448","https://openalex.org/W4286892381","https://openalex.org/W2124250880","https://openalex.org/W2129340397"],"abstract_inverted_index":{"Sparse":[0],"code":[1],"multiple":[2,10],"access":[3,11],"(SCMA)":[4],"is":[5],"one":[6],"type":[7],"of":[8],"non-orthogonal":[9],"techniques":[12],"for":[13,23,58],"the":[14,30,44,108,118],"fifth-generation":[15],"wireless":[16],"communication":[17],"networks.":[18],"Existing":[19],"multiuser":[20],"detection":[21,56,89],"algorithms":[22,57,90,114],"SCMA":[24,61,121],"uplink":[25,59,119],"systems":[26],"are":[27,34,91],"based":[28],"on":[29],"assumption":[31],"that":[32,85],"signals":[33],"in":[35,47,117],"synchronization.":[36],"However,":[37],"asynchrony":[38],"cannot":[39],"be":[40],"neglected":[41],"due":[42],"to":[43,93,107],"propagation":[45,65,70],"delays":[46],"practical":[48],"environments.":[49],"In":[50],"this":[51],"paper,":[52],"we":[53],"present":[54],"three":[55],"asynchronous":[60,88,120],"systems,":[62],"namely":[63],"belief":[64,69],"message":[66,75],"passing":[67,76],"algorithm,":[68,77],"with":[71,100],"equal":[72],"gain":[73],"combining":[74],"and":[78],"partial":[79],"phase-coherent":[80],"algorithms.":[81],"Simulation":[82],"results":[83],"show":[84],"our":[86,112],"proposed":[87,113],"able":[92],"offer":[94],"descent":[95],"bit":[96],"error":[97],"rate":[98],"performances,":[99],"only":[101],"a":[102],"small":[103],"performances":[104],"loss":[105],"compared":[106],"synchronous":[109],"case.":[110],"Moreover,":[111],"converge":[115],"well":[116],"systems.":[122]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}