{"id":"https://openalex.org/W3109886790","doi":"https://doi.org/10.1109/tsp.2020.3039342","title":"Cooperative Activity Detection: Sourced and Unsourced Massive Random Access Paradigms","display_name":"Cooperative Activity Detection: Sourced and Unsourced Massive Random Access Paradigms","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3109886790","doi":"https://doi.org/10.1109/tsp.2020.3039342","mag":"3109886790"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2020.3039342","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2020.3039342","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","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/A5007320479","display_name":"Xiaodan Shao","orcid":"https://orcid.org/0000-0003-3249-8045"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaodan Shao","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100420351","display_name":"Xiaoming Chen","orcid":"https://orcid.org/0000-0002-1818-2135"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoming Chen","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-1818-2135","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"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":"middle","author":{"id":"https://openalex.org/A5024046434","display_name":"Caijun Zhong","orcid":"https://orcid.org/0000-0002-9960-7800"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Caijun Zhong","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-9960-7800","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100751311","display_name":"Zhaoyang Zhang","orcid":"https://orcid.org/0000-0003-2346-6228"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaoyang Zhang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2346-6228","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.9368,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.94491014,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"68","issue":null,"first_page":"6578","last_page":"6593"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization 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/T10326","display_name":"Indoor and Outdoor Localization 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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9997000098228455,"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":0.9994999766349792,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.7403039932250977},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7072740197181702},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.551123857498169},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.49024301767349243},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4546613097190857},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4356759488582611},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4336303472518921},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.22069278359413147},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19602522253990173},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11979907751083374}],"concepts":[{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.7403039932250977},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7072740197181702},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.551123857498169},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.49024301767349243},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4546613097190857},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4356759488582611},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4336303472518921},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.22069278359413147},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19602522253990173},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11979907751083374},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2020.3039342","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2020.3039342","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Partnerships for the goals","score":0.5199999809265137,"id":"https://metadata.un.org/sdg/17"}],"awards":[{"id":"https://openalex.org/G1561785553","display_name":null,"funder_award_id":"61725104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2730110976","display_name":null,"funder_award_id":"61922071","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8115637703","display_name":"\u5927\u89c4\u6a21\u5b8c\u5168\u975e\u6b63\u4ea4\u591a\u63a5\u5165\u7cfb\u7edf\u7684\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61871344","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":56,"referenced_works":["https://openalex.org/W2014937354","https://openalex.org/W2072236536","https://openalex.org/W2076605490","https://openalex.org/W2078394884","https://openalex.org/W2114823274","https://openalex.org/W2254148458","https://openalex.org/W2286275639","https://openalex.org/W2291446221","https://openalex.org/W2296319761","https://openalex.org/W2551543312","https://openalex.org/W2608727628","https://openalex.org/W2706056020","https://openalex.org/W2742359230","https://openalex.org/W2784331297","https://openalex.org/W2797535556","https://openalex.org/W2808785612","https://openalex.org/W2811365745","https://openalex.org/W2908241333","https://openalex.org/W2910665221","https://openalex.org/W2913535645","https://openalex.org/W2950513899","https://openalex.org/W2952268029","https://openalex.org/W2963116117","https://openalex.org/W2963457669","https://openalex.org/W2963510247","https://openalex.org/W2964005248","https://openalex.org/W2964112534","https://openalex.org/W2969519626","https://openalex.org/W2969768389","https://openalex.org/W2981096252","https://openalex.org/W2998719573","https://openalex.org/W3001370401","https://openalex.org/W3013769738","https://openalex.org/W3034448035","https://openalex.org/W3047067082","https://openalex.org/W3080804940","https://openalex.org/W3081256520","https://openalex.org/W3081279169","https://openalex.org/W3089248281","https://openalex.org/W3099019646","https://openalex.org/W3099345048","https://openalex.org/W3100482754","https://openalex.org/W3100966058","https://openalex.org/W3131918509","https://openalex.org/W4250589301","https://openalex.org/W4295895352","https://openalex.org/W6680257277","https://openalex.org/W6691563341","https://openalex.org/W6752546169","https://openalex.org/W6757630568","https://openalex.org/W6758920291","https://openalex.org/W6764357829","https://openalex.org/W6773536014","https://openalex.org/W6775592554","https://openalex.org/W6775912812","https://openalex.org/W6782442181"],"related_works":["https://openalex.org/W3133183159","https://openalex.org/W4297872561","https://openalex.org/W2952222336","https://openalex.org/W2116633494","https://openalex.org/W3117544412","https://openalex.org/W2980498362","https://openalex.org/W2888733329","https://openalex.org/W2899709827","https://openalex.org/W2951701061","https://openalex.org/W3194135015"],"abstract_inverted_index":{"This":[0,61],"paper":[1],"investigatesthe":[2],"issue":[3],"of":[4,34,77,114,127,131,134,151,158,192],"cooperative":[5,28,115],"activity":[6,36,52,106],"detection":[7,37,107],"for":[8,30,98,170],"grant-free":[9],"random":[10,40,117,177],"access":[11,45,178],"in":[12,38,155],"the":[13,32,50,65,72,78,94,100,104,120,125,132,135,144,149,152,156,165,203],"sixth-generation":[14],"(6G)":[15],"cell-free":[16],"wireless":[17],"networks":[18],"with":[19,58,195,202],"sourced":[20,39,173],"and":[21,74,174,186],"unsourced":[22,116,175],"paradigms.":[23],"First,":[24],"we":[25,139],"propose":[26],"a":[27,112,182,188,196],"framework":[29],"solving":[31],"problem":[33],"device":[35,51,79],"access.":[41],"In":[42],"particular,":[43],"multiple":[44,121],"points":[46],"(APs)":[47],"cooperatively":[48,123],"detect":[49,124],"via":[53,69],"exchanging":[54],"low-dimensional":[55],"intermediate":[56],"information":[57],"their":[59],"neighbors.":[60],"is":[62,90,109,168],"enabled":[63],"by":[64],"proposed":[66,105,153,166],"covariance-based":[67],"algorithm":[68,108,154,167],"exploiting":[70],"both":[71,172],"sparsity-promoting":[73],"similarity-promoting":[75],"terms":[76],"state":[80],"vectors":[81],"among":[82],"neighboring":[83],"APs.":[84],"A":[85],"decentralized":[86],"approximate":[87],"separating":[88],"approach":[89],"introduced":[91],"based":[92],"on":[93,143],"forward-backward":[95],"splitting":[96],"strategy":[97],"addressing":[99,171],"formulated":[101],"problem.":[102],"Then,":[103],"adopted":[110],"as":[111],"decoder":[113],"access,":[118],"where":[119],"APs":[122],"list":[126],"transmitted":[128],"messages":[129],"regardless":[130],"identity":[133],"transmitting":[136],"devices.":[137],"Finally,":[138],"provide":[140],"sufficient":[141],"conditions":[142],"step":[145],"sizes":[146],"that":[147,164],"ensure":[148],"convergence":[150],"sense":[157],"Bregman":[159],"divergence.":[160],"Simulation":[161],"results":[162],"show":[163],"efficient":[169],"massive":[176],"problems,":[179],"while":[180],"requires":[181],"shorter":[183],"signature":[184],"sequence":[185],"accommodates":[187],"significantly":[189],"larger":[190],"number":[191],"active":[193],"devices":[194],"reasonable":[197],"antenna":[198],"array":[199],"size,":[200],"compared":[201],"state-of-art":[204],"algorithms.":[205]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
