{"id":"https://openalex.org/W4392153019","doi":"https://doi.org/10.1109/globecom54140.2023.10436805","title":"Cluster-Specific Dictionary Learning Based Active User Detection for mMTC With Massive MIMO","display_name":"Cluster-Specific Dictionary Learning Based Active User Detection for mMTC With Massive MIMO","publication_year":2023,"publication_date":"2023-12-04","ids":{"openalex":"https://openalex.org/W4392153019","doi":"https://doi.org/10.1109/globecom54140.2023.10436805"},"language":"en","primary_location":{"id":"doi:10.1109/globecom54140.2023.10436805","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/globecom54140.2023.10436805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","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/A5101961259","display_name":"Shiyu Liang","orcid":"https://orcid.org/0000-0002-1395-575X"},"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":"Shiyu Liang","raw_affiliation_strings":["Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","Frontiers Science Center for Smart High-speed Railway System, China","State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"Frontiers Science Center for Smart High-speed Railway System, China","institution_ids":[]},{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100344294","display_name":"Wei Chen","orcid":"https://orcid.org/0000-0001-5090-9915"},"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":"Wei Chen","raw_affiliation_strings":["Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","Key Laboratory of Railway Industry of Broadband Mobile Information Communications, China","State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"Key Laboratory of Railway Industry of Broadband Mobile Information Communications, China","institution_ids":[]},{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100387099","display_name":"Ning Wang","orcid":"https://orcid.org/0000-0001-9403-3417"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Wang","raw_affiliation_strings":["School of Information Engineering, Zhengzhou University,China","School of Information Engineering, Zhengzhou University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Zhengzhou University,China","institution_ids":["https://openalex.org/I38877650"]},{"raw_affiliation_string":"School of Information Engineering, Zhengzhou University, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"last","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"]},{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","Beijing Engineering Research Center of High-speed Railway Broadband Mobile Communications, China","School of Information Engineering, Zhengzhou University, China","State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Jiaotong University,State Key Laboratory of Advanced Rail Autonomous Operation,China","institution_ids":["https://openalex.org/I21193070"]},{"raw_affiliation_string":"Beijing Engineering Research Center of High-speed Railway Broadband Mobile Communications, China","institution_ids":[]},{"raw_affiliation_string":"School of Information Engineering, Zhengzhou University, China","institution_ids":["https://openalex.org/I38877650"]},{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation, Beijing Jiaotong University, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5823","last_page":"5828"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9976000189781189,"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/computer-science","display_name":"Computer science","score":0.7380802631378174},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6030203700065613},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.5896247625350952},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3618929386138916},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25359106063842773},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.06700664758682251}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7380802631378174},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6030203700065613},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.5896247625350952},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3618929386138916},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25359106063842773},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.06700664758682251}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom54140.2023.10436805","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/globecom54140.2023.10436805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4447471831","display_name":null,"funder_award_id":"L202019,L211012","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"},{"id":"https://openalex.org/G7052355602","display_name":null,"funder_award_id":"2022JBQY004","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8112105038","display_name":null,"funder_award_id":"62122012,62221001","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"},{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1974774078","https://openalex.org/W1979877142","https://openalex.org/W1988898685","https://openalex.org/W1992405901","https://openalex.org/W2082029531","https://openalex.org/W2100037283","https://openalex.org/W2104266187","https://openalex.org/W2135046866","https://openalex.org/W2162409952","https://openalex.org/W2508031406","https://openalex.org/W2706056020","https://openalex.org/W2778904866","https://openalex.org/W2941431613","https://openalex.org/W3001370401","https://openalex.org/W3020652653","https://openalex.org/W3089248281","https://openalex.org/W3131675066","https://openalex.org/W3199256392","https://openalex.org/W3206974489","https://openalex.org/W3211683490","https://openalex.org/W4236724397","https://openalex.org/W4285297491","https://openalex.org/W4290996310","https://openalex.org/W4297095228","https://openalex.org/W4312286668","https://openalex.org/W6776592715"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Massive":[0],"machine-type":[1],"communication":[2],"(mMTC)":[3],"is":[4],"an":[5],"important":[6],"scenario":[7],"for":[8,20,52],"5G":[9],"and":[10,76],"future":[11],"6G":[12],"networks,":[13],"as":[14],"it":[15],"can":[16],"provide":[17],"massive":[18,58],"connectivity":[19],"internet":[21],"of":[22,30,68,98,110,119],"things":[23],"(IoT)":[24],"devices.":[25],"However,":[26],"the":[27,63,78,88,96,116,120,127],"large":[28],"number":[29],"supported":[31],"devices":[32],"raises":[33],"challenges":[34],"to":[35,105,126],"random":[36],"access":[37],"with":[38],"limited":[39],"spectrum":[40],"resources.":[41],"In":[42],"this":[43],"paper,":[44],"we":[45,100],"propose":[46,101],"a":[47,102],"dictionary":[48,104],"learning":[49],"based":[50],"method":[51],"active":[53,108],"user":[54],"detection":[55],"(AUD)":[56],"in":[57,124],"MIMO":[59],"systems,":[60],"which":[61,85],"leverages":[62],"potential":[64],"spatial":[65],"channel":[66],"characteristics":[67],"users.":[69],"Our":[70],"approach":[71],"separates":[72],"users":[73,109],"into":[74],"clusters":[75],"reuses":[77],"same":[79],"pilot":[80,89],"pool":[81],"among":[82],"different":[83,111],"clusters,":[84],"greatly":[86],"saves":[87],"resource.":[90],"To":[91],"resolve":[92],"collisions":[93],"caused":[94],"by":[95],"reuse":[97],"pilots,":[99],"cluster-specific":[103],"differentiate":[106],"multiple":[107],"clusters.":[112],"Numerical":[113],"experiments":[114],"demonstrate":[115],"improved":[117],"performance":[118],"proposed":[121],"AUD":[122],"algorithm":[123],"comparison":[125],"existing":[128],"methods.":[129]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}