{"id":"https://openalex.org/W4200630525","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723198","title":"User Activity Detection and Channel Estimation of Spatially Correlated Channels via AMP in Massive MTC","display_name":"User Activity Detection and Channel Estimation of Spatially Correlated Channels via AMP in Massive MTC","publication_year":2021,"publication_date":"2021-10-31","ids":{"openalex":"https://openalex.org/W4200630525","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723198"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf53345.2021.9723198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723198","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-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/A5069609009","display_name":"Hamza Djelouat","orcid":"https://orcid.org/0000-0002-1627-0158"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Hamza Djelouat","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033098689","display_name":"Leatile Marata","orcid":"https://orcid.org/0000-0002-8070-4256"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Leatile Marata","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056939003","display_name":"Markus Leinonen","orcid":"https://orcid.org/0000-0002-5639-3144"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markus Leinonen","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040878028","display_name":"Hirley Alves","orcid":"https://orcid.org/0000-0002-8689-5313"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Hirley Alves","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029534229","display_name":"Markku Juntti","orcid":"https://orcid.org/0000-0002-5413-1896"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markku Juntti","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications &#x2013; Radio Technologies,Finland","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5069609009"],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":2.1676,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.8841914,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1200","last_page":"1204"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","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/T12079","display_name":"IoT Networks and Protocols","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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9980999827384949,"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9980000257492065,"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/channel","display_name":"Channel (broadcasting)","score":0.768116295337677},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.7427526116371155},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.717013418674469},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.6276541352272034},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.48694097995758057},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48533788323402405},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.47075703740119934},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.43444186449050903},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35218918323516846},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19918248057365417},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16919386386871338},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10143724083900452}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.768116295337677},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.7427526116371155},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.717013418674469},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.6276541352272034},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.48694097995758057},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48533788323402405},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.47075703740119934},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.43444186449050903},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35218918323516846},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19918248057365417},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16919386386871338},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10143724083900452},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","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/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ieeeconf53345.2021.9723198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723198","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},{"id":"pmh:oai:oulu.fi:nbnfi-fe202301031241","is_oa":false,"landing_page_url":"http://urn.fi/urn:nbn:fi-fe202301031241","pdf_url":null,"source":{"id":"https://openalex.org/S4306400284","display_name":"University of Oulu Repository (University of Oulu)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98381234","host_organization_name":"University of Oulu","host_organization_lineage":["https://openalex.org/I98381234"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5400000214576721,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320307798","display_name":"Nokia","ror":"https://ror.org/04pkc8m17"},{"id":"https://openalex.org/F4320311058","display_name":"Botswana International University of Science and Technology","ror":"https://ror.org/04cr2sq58"},{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1676074242","https://openalex.org/W2008618334","https://openalex.org/W2020282020","https://openalex.org/W2082029531","https://openalex.org/W2141804605","https://openalex.org/W2561711915","https://openalex.org/W2605954208","https://openalex.org/W2643502490","https://openalex.org/W2706056020","https://openalex.org/W2770606349","https://openalex.org/W2784331297","https://openalex.org/W2811365745","https://openalex.org/W3001370401","https://openalex.org/W3010699032","https://openalex.org/W3038956051","https://openalex.org/W3080292365","https://openalex.org/W3080804940","https://openalex.org/W3120440980","https://openalex.org/W3154741957","https://openalex.org/W3160247632","https://openalex.org/W6637044157","https://openalex.org/W6793900084"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2030191005","https://openalex.org/W1865172210","https://openalex.org/W2027568561","https://openalex.org/W2089528186","https://openalex.org/W2883880120","https://openalex.org/W2889942860"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"the":[3,23,35,39,46,65,75,80,90,102,115,119,123,127],"problem":[4,52],"of":[5,38,94,104],"joint":[6],"user":[7],"identification":[8],"and":[9,59,107],"channel":[10,30,76],"estimation":[11],"(JUICE)":[12],"for":[13,101],"grant-free":[14],"access":[15],"in":[16,53],"massive":[17],"machine-type":[18],"communications":[19],"(mMTC).":[20],"We":[21,44],"consider":[22],"JUICE":[24,47,96],"under":[25],"a":[26,49,54,61,85],"spatially":[27],"correlated":[28],"fading":[29],"model":[31],"as":[32,48],"that":[33,71,114],"reflects":[34],"main":[36],"characteristics":[37],"practical":[40],"multiple-input":[41],"multiple-output":[42],"channels.":[43],"formulate":[45],"sparse":[50],"recovery":[51],"multiple":[55],"measurement":[56],"vector":[57],"setup":[58],"present":[60],"solution":[62],"based":[63],"on":[64,89],"approximate":[66],"message":[67],"passing":[68],"(AMP)":[69],"algorithm":[70],"takes":[72],"into":[73],"account":[74],"spatial":[77],"correlation.":[78],"Using":[79],"state":[81],"evolution,":[82],"we":[83],"provide":[84],"detailed":[86],"theoretical":[87,120],"analysis":[88,121],"activity":[91],"detection":[92,106],"performance":[93,116],"AMP-based":[95],"by":[97,118,126],"deriving":[98],"closed-from":[99],"expressions":[100],"probabilities":[103],"miss":[105],"false":[108],"alarm.":[109],"The":[110],"simulation":[111],"experiments":[112],"show":[113],"predicted":[117],"matches":[122],"one":[124],"obtained":[125],"numerical":[128],"results.":[129]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
