{"id":"https://openalex.org/W4290993999","doi":"https://doi.org/10.1109/icc45855.2022.9838652","title":"Double Sparsity-Based Joint Active User Detection and Channel Estimation for mMTC-Enabled Massive MIMO","display_name":"Double Sparsity-Based Joint Active User Detection and Channel Estimation for mMTC-Enabled Massive MIMO","publication_year":2022,"publication_date":"2022-05-16","ids":{"openalex":"https://openalex.org/W4290993999","doi":"https://doi.org/10.1109/icc45855.2022.9838652"},"language":"en","primary_location":{"id":"doi:10.1109/icc45855.2022.9838652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45855.2022.9838652","pdf_url":null,"source":{"id":"https://openalex.org/S4363607711","display_name":"ICC 2022 - IEEE International Conference on Communications","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":"ICC 2022 - 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/A5101546908","display_name":"Yanru Wang","orcid":"https://orcid.org/0000-0002-4586-2419"},"institutions":[{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanru Wang","raw_affiliation_strings":["USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027","institution_ids":["https://openalex.org/I4210153300"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046284918","display_name":"Zhenkun Qiu","orcid":"https://orcid.org/0000-0002-4603-5415"},"institutions":[{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenkun Qiu","raw_affiliation_strings":["USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027","institution_ids":["https://openalex.org/I4210153300"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100394022","display_name":"Sheng Zhang","orcid":"https://orcid.org/0000-0002-6581-6399"},"institutions":[{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Zhang","raw_affiliation_strings":["USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027","institution_ids":["https://openalex.org/I4210153300"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101585238","display_name":"Hua Tian","orcid":"https://orcid.org/0000-0003-3200-1537"},"institutions":[{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Tian","raw_affiliation_strings":["USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027","institution_ids":["https://openalex.org/I4210153300"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065141875","display_name":"Wuyang Zhou","orcid":"https://orcid.org/0000-0003-2229-2852"},"institutions":[{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wuyang Zhou","raw_affiliation_strings":["USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USTC,CAS Key Laboratory of Wireless-Optical Communications,Hefei,China,230027","institution_ids":["https://openalex.org/I4210153300"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210153300"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"968","last_page":"973"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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":0.9994000196456909,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9983000159263611,"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/mimo","display_name":"MIMO","score":0.8150900602340698},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.688873291015625},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6459798812866211},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6423654556274414},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5303153395652771},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5058726668357849},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4861621558666229},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.44277510046958923},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4249514043331146},{"id":"https://openalex.org/keywords/bayesian-inference","display_name":"Bayesian inference","score":0.4200163781642914},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.31403639912605286},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22363558411598206},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.20107457041740417},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15957865118980408},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1418713629245758}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8150900602340698},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.688873291015625},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6459798812866211},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6423654556274414},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5303153395652771},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5058726668357849},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4861621558666229},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.44277510046958923},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4249514043331146},{"id":"https://openalex.org/C160234255","wikidata":"https://www.wikidata.org/wiki/Q812535","display_name":"Bayesian inference","level":3,"score":0.4200163781642914},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.31403639912605286},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22363558411598206},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.20107457041740417},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15957865118980408},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1418713629245758},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc45855.2022.9838652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45855.2022.9838652","pdf_url":null,"source":{"id":"https://openalex.org/S4363607711","display_name":"ICC 2022 - IEEE International Conference on Communications","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":"ICC 2022 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1938636034","https://openalex.org/W2000721204","https://openalex.org/W2071282831","https://openalex.org/W2100037283","https://openalex.org/W2158139627","https://openalex.org/W2343448572","https://openalex.org/W2422021507","https://openalex.org/W2490222774","https://openalex.org/W2778904866","https://openalex.org/W2811365745","https://openalex.org/W2884333066","https://openalex.org/W2908603021","https://openalex.org/W2946267042","https://openalex.org/W2990749693","https://openalex.org/W3001370401","https://openalex.org/W3011342635","https://openalex.org/W3158961426","https://openalex.org/W6683225798"],"related_works":["https://openalex.org/W2561058892","https://openalex.org/W2407375987","https://openalex.org/W3049691116","https://openalex.org/W2505726097","https://openalex.org/W2010643158","https://openalex.org/W2106867672","https://openalex.org/W3081214562","https://openalex.org/W4310268968","https://openalex.org/W2950975704","https://openalex.org/W4297815943"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3,75],"investigate":[4],"the":[5,37,52,57,68,72,77,84,100,109,117,135,144],"problem":[6,62],"of":[7,34,40],"joint":[8,58],"active":[9],"user":[10],"detection":[11,140],"(AUD)":[12],"and":[13,60,139],"channel":[14,43,112,136],"estimation":[15,137],"(CE)":[16],"in":[17,44,71,121,143],"massive":[18,25,35,45,122],"machine-type":[19],"communications":[20],"(mMTC)":[21],"scenario":[22],"with":[23,67],"a":[24,104],"multiple-input":[26],"multiple-output":[27],"(MIMO)":[28],"base":[29],"station.":[30],"Besides":[31],"sporadic":[32],"traffic":[33],"access,":[36],"block":[38,86],"sparsity":[39],"angular":[41,73],"domain":[42],"MIMO":[46,123],"is":[47,96,113],"additionally":[48],"considered":[49],"to":[50,82,98],"reduce":[51],"pilot":[53],"overhead.":[54],"By":[55],"formulating":[56],"AUD":[59,106],"CE":[61],"by":[63,115],"sparse":[64],"Bayesian":[65,94],"learning":[66],"double-sparsity":[69],"feature":[70],"domain,":[74],"introduce":[76],"modified":[78],"pattern-coupled":[79],"prior":[80],"model":[81],"capture":[83],"non-uniform":[85],"structure.":[87],"Then":[88],"an":[89],"algorithm":[90],"based":[91],"on":[92],"variational":[93],"inference":[95],"proposed":[97,130],"recover":[99],"angular-domain":[101,111],"channel.":[102],"Moreover,":[103],"novel":[105],"scheme":[107],"using":[108],"recovered":[110],"developed":[114],"exploiting":[116],"high":[118],"array":[119],"gain":[120],"systems.":[124],"Numerical":[125],"results":[126],"demonstrate":[127],"that":[128],"our":[129],"method":[131],"can":[132],"significantly":[133],"improve":[134],"quality":[138],"accuracy":[141],"especially":[142],"low":[145],"pilot-length":[146],"region.":[147]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
