{"id":"https://openalex.org/W4321770603","doi":"https://doi.org/10.1109/tit.2023.3248967","title":"Unsourced Multiple Access With Random User Activity","display_name":"Unsourced Multiple Access With Random User Activity","publication_year":2023,"publication_date":"2023-02-24","ids":{"openalex":"https://openalex.org/W4321770603","doi":"https://doi.org/10.1109/tit.2023.3248967"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2023.3248967","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2023.3248967","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://e-archivo.uc3m.es/bitstreams/fea9c2ec-1cf9-472d-868c-629219a8d3a9/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087956616","display_name":"Khac\u2013Hoang Ngo","orcid":"https://orcid.org/0000-0003-2047-6957"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Khac-Hoang Ngo","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0003-2047-6957","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017386814","display_name":"Alejandro Lancho","orcid":"https://orcid.org/0000-0003-4211-0454"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alejandro Lancho","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA"],"raw_orcid":"https://orcid.org/0000-0003-4211-0454","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045561406","display_name":"Giuseppe Durisi","orcid":"https://orcid.org/0000-0002-3941-4038"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Giuseppe Durisi","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-3941-4038","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014522913","display_name":"Alexandre Graell i Amat","orcid":"https://orcid.org/0000-0002-5725-869X"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Alexandre Graell i Amat","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-5725-869X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.0963,"has_fulltext":true,"cited_by_count":40,"citation_normalized_percentile":{"value":0.94609509,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"69","issue":"7","first_page":"4537","last_page":"4558"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","score":0.9991999864578247,"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":0.9991999864578247,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9987999796867371,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9986000061035156,"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":0.6849032044410706},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5489939451217651},{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.5432925820350647},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5233839750289917},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4277120530605316},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.42140161991119385},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40581202507019043},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35617566108703613},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.15187272429466248}],"concepts":[{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.6849032044410706},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5489939451217651},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.5432925820350647},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5233839750289917},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4277120530605316},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42140161991119385},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40581202507019043},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35617566108703613},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.15187272429466248},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tit.2023.3248967","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2023.3248967","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"},{"id":"pmh:oai:e-archivo.uc3m.es:10016/38367","is_oa":true,"landing_page_url":"http://hdl.handle.net/10016/38367","pdf_url":"https://e-archivo.uc3m.es/bitstreams/fea9c2ec-1cf9-472d-868c-629219a8d3a9/download","source":{"id":"https://openalex.org/S4306400817","display_name":"e-Archivo (Carlos III University of Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I50357001","host_organization_name":"Universidad Carlos III de Madrid","host_organization_lineage":["https://openalex.org/I50357001"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"research article"},{"id":"pmh:oai:research.chalmers.se:534967","is_oa":false,"landing_page_url":"https://research.chalmers.se/en/publication/534967","pdf_url":null,"source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null}],"best_oa_location":{"id":"pmh:oai:e-archivo.uc3m.es:10016/38367","is_oa":true,"landing_page_url":"http://hdl.handle.net/10016/38367","pdf_url":"https://e-archivo.uc3m.es/bitstreams/fea9c2ec-1cf9-472d-868c-629219a8d3a9/download","source":{"id":"https://openalex.org/S4306400817","display_name":"e-Archivo (Carlos III University of Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I50357001","host_organization_name":"Universidad Carlos III de Madrid","host_organization_lineage":["https://openalex.org/I50357001"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"research article"},"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2118381776","display_name":null,"funder_award_id":"2021-04970","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"},{"id":"https://openalex.org/G4997675118","display_name":null,"funder_award_id":"101022113","funder_id":"https://openalex.org/F4320338438","funder_display_name":"HORIZON EUROPE Marie Sklodowska-Curie Actions"},{"id":"https://openalex.org/G6453274963","display_name":null,"funder_award_id":"101024432","funder_id":"https://openalex.org/F4320338438","funder_display_name":"HORIZON EUROPE Marie Sklodowska-Curie Actions"}],"funders":[{"id":"https://openalex.org/F4320322581","display_name":"Vetenskapsr\u00e5det","ror":"https://ror.org/03zttf063"},{"id":"https://openalex.org/F4320338438","display_name":"HORIZON EUROPE Marie Sklodowska-Curie Actions","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4321770603.pdf","grobid_xml":"https://content.openalex.org/works/W4321770603.grobid-xml"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W1009437057","https://openalex.org/W2004512400","https://openalex.org/W2106864314","https://openalex.org/W2121373845","https://openalex.org/W2127820195","https://openalex.org/W2149685491","https://openalex.org/W2416677955","https://openalex.org/W2554031639","https://openalex.org/W2596284900","https://openalex.org/W2742359230","https://openalex.org/W2743723736","https://openalex.org/W2786697717","https://openalex.org/W2914549166","https://openalex.org/W2932313271","https://openalex.org/W2963200875","https://openalex.org/W2972648215","https://openalex.org/W2974960803","https://openalex.org/W2976523269","https://openalex.org/W2981917204","https://openalex.org/W3015801342","https://openalex.org/W3034927594","https://openalex.org/W3045817796","https://openalex.org/W3046595859","https://openalex.org/W3080246763","https://openalex.org/W3089248281","https://openalex.org/W3092103098","https://openalex.org/W3105661242","https://openalex.org/W3114006414","https://openalex.org/W3135158731","https://openalex.org/W3160512734","https://openalex.org/W3162372285","https://openalex.org/W3184494690","https://openalex.org/W3197104953","https://openalex.org/W3199229030","https://openalex.org/W3212219855","https://openalex.org/W4205855417","https://openalex.org/W4236362309","https://openalex.org/W4251333191","https://openalex.org/W6779388754","https://openalex.org/W6799707198"],"related_works":["https://openalex.org/W2293149949","https://openalex.org/W2026099691","https://openalex.org/W4284672201","https://openalex.org/W2377486419","https://openalex.org/W2943202426","https://openalex.org/W2950156284","https://openalex.org/W2736714427","https://openalex.org/W2163679795","https://openalex.org/W2137816434","https://openalex.org/W2177892898"],"abstract_inverted_index":{"To":[0],"account":[1],"for":[2,12,86,100,221,329],"the":[3,13,26,44,52,63,66,101,109,120,125,138,148,155,181,214,235,264,295,308,318,330,345],"massive":[4],"uncoordinated":[5],"random":[6,72],"access":[7,104,288],"scenario,":[8],"which":[9],"is":[10,71,205,242,304],"relevant":[11],"Internet":[14],"of":[15,25,51,68,122,124,127,225,267,272,282,310,332,335],"Things,":[16],"Polyanskiy":[17,217],"et":[18,218],"al.":[19,219],"(2017)":[20,220],"proposed":[21,285],"a":[22,40,49,82,96,131,165,222,273,323],"novel":[23],"formulation":[24],"multiple-access":[27],"problem,":[28],"commonly":[29],"referred":[30],"to":[31,48,62,186,231,262,306],"as":[32,147,279,317],"unsourced":[33,286],"multiple":[34,103,287],"access,":[35],"where":[36,65],"all":[37],"users":[38,70,129,178],"employ":[39],"common":[41],"codebook":[42],"and":[43,73,90,94,114,141,151,175,190,254,281,298,321,349],"receiver":[45],"decodes":[46],"up":[47],"permutation":[50],"messages.":[53],"In":[54],"this":[55,59,315,339],"paper,":[56],"we":[57,258],"extend":[58],"seminal":[60],"work":[61],"case":[64,331],"number":[67,126,224,309,334],"active":[69,128,177,226,311,336],"unknown":[74],"<italic":[75],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[76,195,245],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">a":[77],"priori</i>":[78],".":[79,250],"We":[80],"define":[81],"random-access":[83],"code":[84],"accounting":[85],"both":[87,188,252],"misdetection":[88],"(MD)":[89],"false":[91],"alarm":[92],"(FA),":[93],"derive":[95],"random-coding":[97],"achievability":[98],"bound":[99,107,215,261],"Gaussian":[102],"channel.":[105],"Our":[106],"captures":[108],"fundamental":[110],"trade-off":[111],"between":[112],"MD":[113,140,150,189,237,253,297,348],"FA":[115,142,152,191,240,255,299,350],"probabilities.":[116],"It":[117],"suggests":[118],"that":[119,211,275,326],"lack":[121],"knowledge":[123],"entails":[130],"small":[132],"penalty":[133,158],"in":[134,164,179,216],"energy":[135,156,183,265,342],"efficiency":[136,157,266],"when":[137,234,294,344],"target":[139,149,236,296],"probabilities":[143,153,192,300,351],"are":[144,301,352],"high.":[145],"However,":[146,338],"decrease,":[154],"becomes":[159,341],"more":[160],"significant.":[161],"For":[162],"example,":[163],"typical":[166],"IoT":[167],"scenario":[168],"with":[169,269],"framelength":[170],"19200":[171],"complex":[172],"channel":[173],"uses":[174],"25\u2013300":[176],"average,":[180],"required":[182],"per":[184],"bit":[185],"achieve":[187],"below":[193,243],"<inline-formula":[194,244],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[196,246],"<tex-math":[197,247],"notation=\"LaTeX\">$10^{-1}$":[198],"</tex-math></inline-formula>":[199,249],",":[200],"predicted":[201,212],"by":[202,213],"our":[203,260],"bound,":[204],"only":[206],"0.5\u20130.7":[207],"dB":[208,233],"higher":[209],"than":[210],"known":[223,333],"users.":[227,337],"This":[228],"gap":[229],"increases":[230],"3\u20134":[232],"probability":[238,241],"and/or":[239],"notation=\"LaTeX\">$10^{-3}$":[248],"Taking":[251],"into":[256],"account,":[257],"use":[259,322],"benchmark":[263],"slotted-ALOHA":[268],"multi-packet":[270],"reception,":[271],"decoder":[274],"simply":[276],"treats":[277],"interference":[278],"noise,":[280],"some":[283],"recently":[284],"schemes.":[289],"Numerical":[290],"results":[291],"suggest":[292],"that,":[293],"high,":[302],"it":[303],"effective":[305],"estimate":[307,316],"users,":[312],"then":[313],"treat":[314],"true":[319],"value,":[320],"coding":[324],"scheme":[325],"performs":[327],"well":[328],"approach":[340],"inefficient":[343],"requirements":[346],"on":[347],"stringent.":[353]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":5}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}