{"id":"https://openalex.org/W4403635759","doi":"https://doi.org/10.1109/twc.2024.3480334","title":"Asynchronous MIMO-OFDM Massive Unsourced Random Access With Codeword Collisions","display_name":"Asynchronous MIMO-OFDM Massive Unsourced Random Access With Codeword Collisions","publication_year":2024,"publication_date":"2024-10-22","ids":{"openalex":"https://openalex.org/W4403635759","doi":"https://doi.org/10.1109/twc.2024.3480334"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2024.3480334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3480334","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless 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/A5026110773","display_name":"Tianya Li","orcid":"https://orcid.org/0000-0003-0799-6026"},"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":"Tianya Li","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-0799-6026","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"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, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-8210-5057","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024843689","display_name":"Junyuan Gao","orcid":"https://orcid.org/0000-0002-6108-336X"},"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":"Junyuan Gao","raw_affiliation_strings":["Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-6108-336X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100447806","display_name":"Wenjun Zhang","orcid":"https://orcid.org/0000-0001-8799-1182"},"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":"Wenjun Zhang","raw_affiliation_strings":["Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-8799-1182","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065367615","display_name":"Xiang\u2010Gen Xia","orcid":"https://orcid.org/0000-0002-5599-7683"},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiang-Gen Xia","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Delaware, Newark, DE, USA"],"raw_orcid":"https://orcid.org/0000-0002-5599-7683","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Delaware, Newark, DE, USA","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006080984","display_name":"Derrick Wing Kwan Ng","orcid":"https://orcid.org/0000-0001-6400-712X"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Derrick Wing Kwan Ng","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0001-6400-712X","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101833538","display_name":"Chengshan Xiao","orcid":"https://orcid.org/0000-0003-0060-5045"},"institutions":[{"id":"https://openalex.org/I186143895","display_name":"Lehigh University","ror":"https://ror.org/012afjb06","country_code":"US","type":"education","lineage":["https://openalex.org/I186143895"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chengshan Xiao","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA, USA"],"raw_orcid":"https://orcid.org/0000-0003-0060-5045","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA, USA","institution_ids":["https://openalex.org/I186143895"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9182,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7513744,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"24","issue":"1","first_page":"84","last_page":"100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9994999766349792,"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":0.9994999766349792,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9987000226974487,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9959999918937683,"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":0.7411142587661743},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7140278220176697},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.5975826382637024},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5483100414276123},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5439075231552124},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.4814804792404175},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.44284307956695557},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.41155585646629333},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.341503381729126},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32276880741119385},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2977789640426636},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1161351203918457}],"concepts":[{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.7411142587661743},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7140278220176697},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.5975826382637024},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5483100414276123},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5439075231552124},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.4814804792404175},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.44284307956695557},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.41155585646629333},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.341503381729126},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32276880741119385},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2977789640426636},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1161351203918457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2024.3480334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3480334","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.5099999904632568}],"awards":[{"id":"https://openalex.org/G1159422342","display_name":null,"funder_award_id":"2022YFB2902100","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G459214994","display_name":null,"funder_award_id":"62122052","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"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/G5495080709","display_name":null,"funder_award_id":"2018YFB1801102","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"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/G8586712636","display_name":null,"funder_award_id":"22DZ2229005","funder_id":"https://openalex.org/F4320327718","funder_display_name":"Shanghai Key Laboratory of Digital Media Processing and Transmission"}],"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/F4320327718","display_name":"Shanghai Key Laboratory of Digital Media Processing and Transmission","ror":null},{"id":"https://openalex.org/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W2035112080","https://openalex.org/W2114330772","https://openalex.org/W2117890770","https://openalex.org/W2289917018","https://openalex.org/W2596873572","https://openalex.org/W2706056020","https://openalex.org/W2742359230","https://openalex.org/W2743723736","https://openalex.org/W2884333066","https://openalex.org/W2964109239","https://openalex.org/W2972648215","https://openalex.org/W2976586224","https://openalex.org/W2981917204","https://openalex.org/W3001370401","https://openalex.org/W3010242058","https://openalex.org/W3013726562","https://openalex.org/W3015801342","https://openalex.org/W3034927594","https://openalex.org/W3045817796","https://openalex.org/W3046595859","https://openalex.org/W3080246763","https://openalex.org/W3087988061","https://openalex.org/W3105661242","https://openalex.org/W3109886790","https://openalex.org/W3120319756","https://openalex.org/W3129399073","https://openalex.org/W3134983006","https://openalex.org/W3162372285","https://openalex.org/W3203940756","https://openalex.org/W3210796143","https://openalex.org/W4207042768","https://openalex.org/W4210402271","https://openalex.org/W4213414129","https://openalex.org/W4214922995","https://openalex.org/W4221148468","https://openalex.org/W4225472793","https://openalex.org/W4285121015","https://openalex.org/W4312246029","https://openalex.org/W4312701615","https://openalex.org/W4315629590","https://openalex.org/W4319338670","https://openalex.org/W4321488386","https://openalex.org/W4367281519","https://openalex.org/W4377079845","https://openalex.org/W4378697019","https://openalex.org/W4382203597","https://openalex.org/W4382657892","https://openalex.org/W4384787425","https://openalex.org/W4386075214","https://openalex.org/W4389076530","https://openalex.org/W4389961152","https://openalex.org/W4390284852","https://openalex.org/W4392158097","https://openalex.org/W4392158640"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W2116677773","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2187587942"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"asynchronous":[3],"multiple-input":[4],"multiple-output":[5],"(MIMO)":[6],"massive":[7],"unsourced":[8],"random":[9],"access":[10],"(URA)":[11],"in":[12,183],"an":[13],"orthogonal":[14],"frequency":[15,32],"division":[16],"multiplexing":[17],"(OFDM)":[18],"system":[19],"over":[20],"frequency-selective":[21],"fading":[22,144],"channels,":[23],"with":[24,56,92],"the":[25,46,57,62,67,71,112,126,132,136,142,153,162,166,173,191],"presence":[26],"of":[27,70,165],"both":[28,75,148,184],"timing":[29],"and":[30,35,37,53,61,77,81,95,105,129,150,155,179,186,195],"carrier":[31],"offsets":[33],"(TO":[34],"CFO)":[36],"non-negligible":[38],"codeword":[39,76],"collisions.":[40],"The":[41],"proposed":[42,137,174],"coding":[43,54],"framework":[44],"segregates":[45],"data":[47,197],"into":[48],"two":[49],"components,":[50],"namely,":[51],"preamble":[52],"parts,":[55],"former":[58],"being":[59],"tree-coded":[60],"latter":[63],"LDPC-coded.":[64],"By":[65],"leveraging":[66,111,161],"dual":[68],"sparsity":[69],"equivalent":[72],"channel":[73,102,154,185],"across":[74],"delay":[78,106],"domains":[79],"(CD":[80],"DD),":[82],"we":[83,117],"develop":[84],"a":[85,119],"message-passing-based":[86],"sparse":[87],"Bayesian":[88],"learning":[89],"algorithm,":[90],"combined":[91],"belief":[93],"propagation":[94],"mean":[96],"field,":[97],"to":[98,123,141,146,190,201],"iteratively":[99,124],"estimate":[100,147],"DD":[101],"responses,":[103],"TO,":[104],"profiles.":[107],"Furthermore,":[108],"by":[109,160],"jointly":[110],"observations":[113],"among":[114],"multiple":[115],"slots,":[116],"establish":[118],"novel":[120],"graph-based":[121],"algorithm":[122,138,175],"separate":[125],"superimposed":[127],"channels":[128],"compensate":[130],"for":[131],"phase":[133],"rotations.":[134],"Additionally,":[135],"is":[139,158],"applied":[140],"flat":[143],"scenario":[145],"TO":[149],"CFO,":[151],"where":[152],"offset":[156,187],"estimation":[157,188],"enhanced":[159,196],"geometric":[163],"characteristics":[164],"signal":[167],"constellation.":[168],"Extensive":[169],"simulations":[170],"reveal":[171],"that":[172],"achieves":[176],"superior":[177],"performance":[178],"substantial":[180],"complexity":[181],"reduction":[182],"compared":[189,200],"codebook":[192],"enlarging-based":[193],"counterparts,":[194],"recovery":[198],"performances":[199],"state-of-the-art":[202],"URA":[203],"schemes.":[204]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4}],"updated_date":"2026-06-18T10:00:31.954636","created_date":"2025-10-10T00:00:00"}
