{"id":"https://openalex.org/W4415707730","doi":"https://doi.org/10.1109/tvt.2025.3626973","title":"Uplink SCMA-Empowered Uncoordinated Random Access for Future mMTC","display_name":"Uplink SCMA-Empowered Uncoordinated Random Access for Future mMTC","publication_year":2025,"publication_date":"2025-10-30","ids":{"openalex":"https://openalex.org/W4415707730","doi":"https://doi.org/10.1109/tvt.2025.3626973"},"language":null,"primary_location":{"id":"doi:10.1109/tvt.2025.3626973","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3626973","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/A5025232677","display_name":"Pengyu Gao","orcid":"https://orcid.org/0000-0002-3442-9935"},"institutions":[{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengyu Gao","raw_affiliation_strings":["Department of Broadband Communications, Peng Cheng Laboratory, Shenzhen, China","Department of Broadband Communications, Peng Cheng Laboratory, Shenzhen, Guangdong, China"],"raw_orcid":"https://orcid.org/0000-0002-3442-9935","affiliations":[{"raw_affiliation_string":"Department of Broadband Communications, Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]},{"raw_affiliation_string":"Department of Broadband Communications, Peng Cheng Laboratory, Shenzhen, Guangdong, China","institution_ids":["https://openalex.org/I4210136793"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078371026","display_name":"Qu Luo","orcid":"https://orcid.org/0000-0001-6185-8375"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Qu Luo","raw_affiliation_strings":["5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0001-6185-8375","affiliations":[{"raw_affiliation_string":"5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060411908","display_name":"Jing Zhu","orcid":"https://orcid.org/0000-0003-3621-381X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Zhu","raw_affiliation_strings":["School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, China","School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, Guangdong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, Guangdong, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012861792","display_name":"Gaojie Chen","orcid":"https://orcid.org/0000-0003-2978-0365"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gaojie Chen","raw_affiliation_strings":["School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, China","School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, Guangdong, China"],"raw_orcid":"https://orcid.org/0000-0003-2978-0365","affiliations":[{"raw_affiliation_string":"School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Flexible Electronics (SoFE) &amp; State Key Laboratory of Optoelectronic Materials and Technologies (OEMT), Sun Yat-sen University, Shenzhen, Guangdong, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002566516","display_name":"Pei Xiao","orcid":"https://orcid.org/0000-0002-7886-5878"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pei Xiao","raw_affiliation_strings":["5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0002-7886-5878","affiliations":[{"raw_affiliation_string":"5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073704569","display_name":"Chuan Heng Foh","orcid":"https://orcid.org/0000-0002-5716-1396"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Chuan Heng Foh","raw_affiliation_strings":["5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0002-5716-1396","affiliations":[{"raw_affiliation_string":"5G and 6G Innovation Centre, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5&#x00A0;G and 6&#x00A0;G Innovation Centre, Institute for Communication Systems (ICS) of University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"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":0.2612491,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"5","first_page":"8368","last_page":"8381"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","score":0.6049000024795532,"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/T12079","display_name":"IoT Networks and Protocols","score":0.6049000024795532,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.3174999952316284,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.02319999970495701,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.863099992275238},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.7961000204086304},{"id":"https://openalex.org/keywords/aloha","display_name":"Aloha","score":0.7411999702453613},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7321000099182129},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.7178999781608582},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5724999904632568},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.44530001282691956},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.36320000886917114},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.36309999227523804},{"id":"https://openalex.org/keywords/channel-access-method","display_name":"Channel access method","score":0.35440000891685486}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.863099992275238},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.7961000204086304},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7603999972343445},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7414000034332275},{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.7411999702453613},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7321000099182129},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7178999781608582},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5724999904632568},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.44530001282691956},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.36320000886917114},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.36309999227523804},{"id":"https://openalex.org/C193430537","wikidata":"https://www.wikidata.org/wiki/Q1665191","display_name":"Channel access method","level":3,"score":0.35440000891685486},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.336899995803833},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3343000113964081},{"id":"https://openalex.org/C187077762","wikidata":"https://www.wikidata.org/wiki/Q5036976","display_name":"Capture effect","level":4,"score":0.3319999873638153},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.3077999949455261},{"id":"https://openalex.org/C62793504","wikidata":"https://www.wikidata.org/wiki/Q228327","display_name":"Access network","level":2,"score":0.3050000071525574},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.30230000615119934},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3010999858379364},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.295199990272522},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2946000099182129},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.2903999984264374},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.27559998631477356},{"id":"https://openalex.org/C46637626","wikidata":"https://www.wikidata.org/wiki/Q6693015","display_name":"Low latency (capital markets)","level":2,"score":0.27390000224113464},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.27309998869895935},{"id":"https://openalex.org/C70000936","wikidata":"https://www.wikidata.org/wiki/Q4672467","display_name":"Access method","level":2,"score":0.2639999985694885},{"id":"https://openalex.org/C16320812","wikidata":"https://www.wikidata.org/wiki/Q1812200","display_name":"Idle","level":2,"score":0.2630000114440918},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.26100000739097595},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.2574999928474426},{"id":"https://openalex.org/C2780137118","wikidata":"https://www.wikidata.org/wiki/Q17121585","display_name":"Radio access technology","level":4,"score":0.25600001215934753},{"id":"https://openalex.org/C2778002699","wikidata":"https://www.wikidata.org/wiki/Q876057","display_name":"Multi-user","level":2,"score":0.2524999976158142}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3626973","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3626973","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/G3148493448","display_name":"Cell-Free Massive MIMO for Future Wireless Networks","funder_award_id":"EP/X013162/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G7257018176","display_name":null,"funder_award_id":"2025M773513","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7806824190","display_name":"New Air Interface Techniques for Future Massive Machine Communications","funder_award_id":"EP/P03456X/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,132,144,164,176],"novel":[4],"uncoordinated":[5],"random":[6],"access":[7,22,47,64,103,121,208,214,236],"(URA)":[8],"protocol":[9,42],"is":[10,117,151,168,183],"presented":[11,246],"to":[12,51,63,80,101,131,154,170,185,198,231],"address":[13],"the":[14,37,65,81,87,108,120,137,149,156,160,172,188,199,203,207,212,221,232,242,245,250,253],"pressing":[15],"demand":[16],"for":[17],"massive":[18,26],"connectivity":[19],"with":[20,43,107],"low":[21],"latency":[23],"in":[24,68,86,196],"future":[25],"machine":[27],"type":[28],"communication":[29,66],"(mMTC)":[30],"scenarios.":[31],"The":[32],"proposed":[33,88,118,138,222],"URA":[34,89,224,239],"scheme":[35,225],"integrates":[36],"classical":[38],"slotted":[39],"ALOHA":[40],"(S-ALOHA)":[41],"sparse":[44],"code":[45],"multiple":[46,235],"(SCMA)":[48],"technique,":[49],"referred":[50],"as":[52],"SCMA-empowered":[53,223],"URA.":[54],"Specifically,":[55],"active":[56],"users":[57],"randomly":[58],"choose":[59],"an":[60,69,111],"SCMA":[61,91],"codebook":[62,92,181],"network":[67],"arbitrary":[70],"time":[71],"slot":[72],"whenever":[73],"they":[74],"want":[75],"without":[76],"scheduling.":[77],"However,":[78],"due":[79],"lack":[82],"of":[83,148,179,244,252],"central":[84],"coordination":[85],"scheme,":[90],"collisions":[93],"become":[94],"inevitable,":[95],"making":[96],"decoding":[97,109,115,140],"challenging":[98],"and":[99,210,249],"leading":[100],"increased":[102],"failures.":[104],"To":[105],"cope":[106],"issue,":[110],"interference-canceling":[112],"(IC)":[113],"first":[114],"strategy":[116,141],"at":[119],"point":[122],"(AP),":[123],"which":[124],"can":[125],"partially":[126],"tackles":[127],"collision":[128],"problems,":[129],"contributing":[130],"higher":[133,227],"system":[134,189],"throughput.":[135],"Taking":[136],"IC-first":[139],"into":[142],"account,":[143],"closed-form":[145,177],"theoretical":[146,247],"expression":[147,178],"throughput":[150,157],"derived.":[152],"Moreover,":[153,241],"alleviate":[155],"degradation":[158],"under":[159],"congested":[161,192],"user":[162,165,254],"traffic,":[163],"barring":[166,255],"mechanism":[167,256],"introduced":[169],"manage":[171],"traffic":[173],"load.":[174,215],"Firstly,":[175],"idle":[180],"probability":[182,209],"developed":[184],"help":[186],"indicate":[187],"state,":[190],"i.e.,":[191],"or":[193],"not.":[194],"Then,":[195],"addition":[197],"estimated":[200],"real-time":[201],"load,":[202],"AP":[204],"adaptively":[205],"adjusts":[206],"redistributes":[211],"actual":[213],"Finally,":[216],"simulation":[217],"results":[218],"demonstrate":[219],"that":[220],"enjoys":[226],"maximum":[228],"throughput,":[229],"compared":[230],"conventional":[233],"orthogonal":[234],"(OMA)":[237],"based":[238],"scheme.":[240],"accuracy":[243],"analysis":[248],"effectiveness":[251],"are":[257],"verified.":[258]},"counts_by_year":[],"updated_date":"2026-05-20T06:11:20.791850","created_date":"2025-10-30T00:00:00"}
