{"id":"https://openalex.org/W4387870923","doi":"https://doi.org/10.1109/icc45041.2023.10278871","title":"Distributed Algorithms for Asynchronous Activity Detection in Cell-Free Massive MIMO","display_name":"Distributed Algorithms for Asynchronous Activity Detection in Cell-Free Massive MIMO","publication_year":2023,"publication_date":"2023-05-28","ids":{"openalex":"https://openalex.org/W4387870923","doi":"https://doi.org/10.1109/icc45041.2023.10278871"},"language":"en","primary_location":{"id":"doi:10.1109/icc45041.2023.10278871","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/icc45041.2023.10278871","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100421694","display_name":"Yang Li","orcid":"https://orcid.org/0000-0003-0350-3183"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]},{"id":"https://openalex.org/I4210099586","display_name":"Shenzhen Research Institute of Big Data","ror":"https://ror.org/00z1gwf89","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099586"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Li","raw_affiliation_strings":["Shenzhen Research Institute of Big Data,Shenzhen,China","Shenzhen Research Institute of Big Data, Shenzhen, China","State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shenzhen Research Institute of Big Data,Shenzhen,China","institution_ids":["https://openalex.org/I4210099586"]},{"raw_affiliation_string":"Shenzhen Research Institute of Big Data, Shenzhen, China","institution_ids":["https://openalex.org/I4210099586"]},{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090195902","display_name":"Qingfeng Lin","orcid":"https://orcid.org/0000-0003-0181-7437"},"institutions":[{"id":"https://openalex.org/I4210099586","display_name":"Shenzhen Research Institute of Big Data","ror":"https://ror.org/00z1gwf89","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099586"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Qingfeng Lin","raw_affiliation_strings":["The University of Hong Kong,Department of Electrical and Electronic Engineering,Hong Kong","Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong","Shenzhen Research Institute of Big Data, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Hong Kong,Department of Electrical and Electronic Engineering,Hong Kong","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Shenzhen Research Institute of Big Data, Shenzhen, China","institution_ids":["https://openalex.org/I4210099586"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020753840","display_name":"Ya\u2010Feng Liu","orcid":"https://orcid.org/0000-0002-9684-9150"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ya-Feng Liu","raw_affiliation_strings":["Chinese Academy of Sciences,LSEC, ICMSEC, AMSS,Beijing,China","LSEC, ICMSEC, AMSS, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences,LSEC, ICMSEC, AMSS,Beijing,China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"LSEC, ICMSEC, AMSS, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100620739","display_name":"Bo Ai","orcid":"https://orcid.org/0000-0001-6850-0595"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["Beijing Jiaotong University,State Key Laboratory of Rail Traffic Control and Safety,Beijing,China","State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Jiaotong University,State Key Laboratory of Rail Traffic Control and Safety,Beijing,China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085964667","display_name":"Yik\u2010Chung Wu","orcid":"https://orcid.org/0000-0002-2738-0387"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yik-Chung Wu","raw_affiliation_strings":["The University of Hong Kong,Department of Electrical and Electronic Engineering,Hong Kong","Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Hong Kong,Department of Electrical and Electronic Engineering,Hong Kong","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"01","last_page":"06"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","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"}},"topics":[{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9994000196456909,"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/T11932","display_name":"Wireless Body Area Networks","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.8526760339736938},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.783879280090332},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.6582943201065063},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6369143724441528},{"id":"https://openalex.org/keywords/distributed-algorithm","display_name":"Distributed algorithm","score":0.5977897047996521},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5464076995849609},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5181711912155151},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4746473431587219},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.12550267577171326}],"concepts":[{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.8526760339736938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.783879280090332},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6582943201065063},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6369143724441528},{"id":"https://openalex.org/C130120984","wikidata":"https://www.wikidata.org/wiki/Q2835898","display_name":"Distributed algorithm","level":2,"score":0.5977897047996521},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5464076995849609},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5181711912155151},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4746473431587219},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.12550267577171326},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc45041.2023.10278871","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/icc45041.2023.10278871","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2422021507","https://openalex.org/W2811365745","https://openalex.org/W2890736047","https://openalex.org/W2920228847","https://openalex.org/W2961179947","https://openalex.org/W2963116117","https://openalex.org/W3010632924","https://openalex.org/W3081279169","https://openalex.org/W3133759829","https://openalex.org/W3188366979","https://openalex.org/W3206148293","https://openalex.org/W3206898142","https://openalex.org/W4295789396","https://openalex.org/W4312922447"],"related_works":["https://openalex.org/W2116677773","https://openalex.org/W2155261584","https://openalex.org/W2584231425","https://openalex.org/W2150611273","https://openalex.org/W4207086172","https://openalex.org/W2042919702","https://openalex.org/W4225981436","https://openalex.org/W2156185805","https://openalex.org/W2770353918","https://openalex.org/W2766289720"],"abstract_inverted_index":{"Device":[0],"activity":[1,99],"detection":[2,84,100,170],"in":[3,18,21,64,116],"the":[4,28,40,45,53,72,83,97,104,112,121,127,131,145,154,168],"emerging":[5],"cell-free":[6],"massive":[7],"multiple-input":[8],"multiple-output":[9],"systems":[10],"has":[11],"been":[12],"recognized":[13],"as":[14,120],"a":[15,32,107,117,136,159],"crucial":[16],"task":[17],"machine-type":[19],"communications,":[20],"which":[22,75,102],"multiple":[23],"access":[24],"points":[25],"jointly":[26],"identify":[27],"active":[29,58],"devices":[30,37,59],"from":[31],"large":[33],"number":[34,123,162],"of":[35,44,106,130,163],"potential":[36],"based":[38],"on":[39,52],"received":[41],"signals.":[42],"Most":[43],"existing":[46],"works":[47],"addressing":[48],"this":[49,88,90],"problem":[50],"rely":[51],"impractical":[54],"assumption":[55],"that":[56,110,144],"different":[57],"transmit":[60],"signals":[61],"synchronously.":[62],"However,":[63],"practice,":[65],"synchronization":[66],"cannot":[67],"be":[68],"guaranteed":[69],"due":[70],"to":[71,82,96,166],"low-cost":[73],"oscillators,":[74],"brings":[76],"additional":[77],"discontinuous":[78],"and":[79],"nonconvex":[80,114],"constraints":[81,115],"problem.":[85],"To":[86,125],"address":[87],"challenge,":[89],"paper":[91],"reveals":[92],"an":[93],"equivalent":[94],"reformulation":[95],"asynchronous":[98],"problem,":[101],"facilitates":[103],"development":[105],"distributed":[108,139,148,156],"algorithm":[109,157],"satisfies":[111],"highly":[113],"gentle":[118],"fashion":[119],"iteration":[122],"increases.":[124],"reduce":[126],"capacity":[128],"requirements":[129],"fronthauls,":[132],"we":[133],"further":[134],"design":[135],"communication-efficient":[137],"accelerated":[138,155],"algorithm.":[140],"Simulation":[141],"results":[142],"demonstrate":[143],"proposed":[146],"two":[147],"algorithms":[149],"outperform":[150],"state-of-the-art":[151],"approaches.":[152],"Moreover,":[153],"requires":[158],"very":[160],"small":[161],"quantization":[164],"bits":[165],"approach":[167],"ideal":[169],"performance.":[171]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
