{"id":"https://openalex.org/W4312886686","doi":"https://doi.org/10.1109/jiot.2022.3224134","title":"CeHAR: CSI-Based Channel-Exchanging Human Activity Recognition","display_name":"CeHAR: CSI-Based Channel-Exchanging Human Activity Recognition","publication_year":2022,"publication_date":"2022-11-24","ids":{"openalex":"https://openalex.org/W4312886686","doi":"https://doi.org/10.1109/jiot.2022.3224134"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2022.3224134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3224134","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5068904779","display_name":"Xiao Lu","orcid":"https://orcid.org/0000-0001-9899-0177"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao Lu","raw_affiliation_strings":["College of Energy Storage Technology, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":"https://orcid.org/0000-0001-9899-0177","affiliations":[{"raw_affiliation_string":"College of Energy Storage Technology, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101889877","display_name":"Yuli Li","orcid":"https://orcid.org/0000-0002-7189-8423"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuli Li","raw_affiliation_strings":["College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":"https://orcid.org/0000-0002-7189-8423","affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074569209","display_name":"Wei Cui","orcid":"https://orcid.org/0000-0002-2984-5926"},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Wei Cui","raw_affiliation_strings":["Institute for Infocomm Research, Agency for Science, Technology and Research, Fusionopolis, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-2984-5926","affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Agency for Science, Technology and Research, Fusionopolis, Singapore","institution_ids":["https://openalex.org/I115228651","https://openalex.org/I3005327000"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100439431","display_name":"Haixia Wang","orcid":"https://orcid.org/0000-0002-6424-4843"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haixia Wang","raw_affiliation_strings":["College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0415,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.7429607,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"10","issue":"7","first_page":"5953","last_page":"5961"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","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/T10860","display_name":"Speech and Audio Processing","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.995199978351593,"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":0.8348921537399292},{"id":"https://openalex.org/keywords/normalization","display_name":"Normalization (sociology)","score":0.6976024508476257},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6956177949905396},{"id":"https://openalex.org/keywords/fuse","display_name":"Fuse (electrical)","score":0.610665500164032},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5371305346488953},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.5297312140464783},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4827946424484253},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4123653769493103},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.40977171063423157},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4036148488521576},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39822107553482056},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15568765997886658},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1293635368347168}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8348921537399292},{"id":"https://openalex.org/C136886441","wikidata":"https://www.wikidata.org/wiki/Q926129","display_name":"Normalization (sociology)","level":2,"score":0.6976024508476257},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6956177949905396},{"id":"https://openalex.org/C141353440","wikidata":"https://www.wikidata.org/wiki/Q182221","display_name":"Fuse (electrical)","level":2,"score":0.610665500164032},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5371305346488953},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.5297312140464783},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4827946424484253},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4123653769493103},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.40977171063423157},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4036148488521576},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39822107553482056},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15568765997886658},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1293635368347168},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","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},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2022.3224134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3224134","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Partnerships for the goals","id":"https://metadata.un.org/sdg/17","score":0.4300000071525574}],"awards":[{"id":"https://openalex.org/G1893427176","display_name":null,"funder_award_id":"61903231","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2024827530","display_name":null,"funder_award_id":"ZR2022LZH001","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G2225076678","display_name":null,"funder_award_id":"ZR2020MF095","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G3836386182","display_name":null,"funder_award_id":"62073199","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4179901930","display_name":null,"funder_award_id":"ZR2022MF341","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G4273191573","display_name":null,"funder_award_id":"62273213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7358675353","display_name":null,"funder_award_id":"62203280","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/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1544232871","https://openalex.org/W1628685102","https://openalex.org/W1686810756","https://openalex.org/W1989207420","https://openalex.org/W2082450394","https://openalex.org/W2089412209","https://openalex.org/W2089695767","https://openalex.org/W2172292165","https://openalex.org/W2194775991","https://openalex.org/W2338892592","https://openalex.org/W2345276999","https://openalex.org/W2348797658","https://openalex.org/W2473779510","https://openalex.org/W2508522990","https://openalex.org/W2594230123","https://openalex.org/W2743415265","https://openalex.org/W2762962020","https://openalex.org/W2763219399","https://openalex.org/W2794843057","https://openalex.org/W2809191403","https://openalex.org/W2887389727","https://openalex.org/W2899145720","https://openalex.org/W2949699261","https://openalex.org/W2952586546","https://openalex.org/W2974216175","https://openalex.org/W3016200789","https://openalex.org/W3118382806","https://openalex.org/W3176590546","https://openalex.org/W4205469029","https://openalex.org/W4214928356","https://openalex.org/W4225747069","https://openalex.org/W4226305970","https://openalex.org/W4246193833","https://openalex.org/W4381734352","https://openalex.org/W6637373629","https://openalex.org/W6774136036"],"related_works":["https://openalex.org/W3000097931","https://openalex.org/W2354322770","https://openalex.org/W4237547500","https://openalex.org/W1570848052","https://openalex.org/W2373192430","https://openalex.org/W4239268388","https://openalex.org/W1537496349","https://openalex.org/W4243305035","https://openalex.org/W2379407973","https://openalex.org/W2125195795"],"abstract_inverted_index":{"Despite":[0],"the":[1,5,32,35,78,86,119,140,149,158,203,210],"intense":[2],"effort":[3],"from":[4,116,132],"research":[6],"community,":[7],"state-of-the-art":[8],"WiFi-based":[9],"human":[10,43],"activity":[11],"recognition":[12],"(HAR)":[13],"performance":[14,204],"remains":[15],"unsatisfactory.":[16],"Current":[17],"approaches":[18],"usually":[19],"use":[20],"individual":[21],"characteristics":[22,110],"of":[23,37,106,109,135,139,152,205],"CSI,":[24],"i.e.,":[25],"amplitude":[26,80],"or":[27],"phase":[28,82],"measurements,":[29],"to":[30,47,50,55,75,84,111,129,147,186,201],"model":[31],"relationship":[33],"between":[34,104],"changes":[36],"channel":[38,150],"state":[39],"information":[40,56],"(CSI)":[41],"and":[42,81,155,209],"activities,":[44],"which":[45],"lead":[46],"their":[48],"failure":[49],"achieve":[51],"satisfactory":[52],"accuracy":[53],"due":[54],"loss.":[57],"To":[58],"deal":[59],"with":[60],"this":[61,63],"issue,":[62],"article":[64],"proposes":[65],"CeHAR,":[66,208],"a":[67,71,95,192],"CSI-based":[68],"HAR":[69],"using":[70,125],"channel-exchanging":[72],"fusion":[73,98,184],"network":[74,185],"deep":[76],"fuse":[77],"CSI":[79],"features":[83,88,115,131],"obtain":[85],"informative":[87,114],"for":[89],"HAR.":[90],"The":[91,137,161],"proposed":[92,120,162,207,216],"CeHAR":[93,163],"is":[94,145],"parameter-free":[96],"dual-characteristic":[97],"framework":[99],"that":[100,214],"dynamically":[101],"exchanges":[102],"channels":[103],"subnetworks":[105,124],"two":[107,123],"kinds":[108],"comprehensively":[112],"learn":[113,130],"both.":[117],"Specifically,":[118],"approach":[121,217],"employs":[122],"convolutional":[126,166],"neural":[127],"networks":[128],"each":[133,153],"characteristic":[134,183],"CSI.":[136],"magnitude":[138],"batch-normalization":[141],"(BN)":[142],"scaling":[143],"factor":[144],"used":[146],"determine":[148],"importance":[151],"characteristic,":[154],"then":[156],"guides":[157],"exchange":[159],"process.":[160],"also":[164],"shares":[165],"filters,":[167],"but":[168],"keeps":[169],"private":[170],"BNs":[171],"layers":[172],"in":[173],"different":[174],"characteristics,":[175],"which,":[176],"as":[177,189,191],"an":[178],"added":[179],"benefit,":[180],"allows":[181],"our":[182,206,215],"be":[187],"nearly":[188],"compact":[190],"single-characteristic":[193],"network.":[194],"Extensive":[195],"real-world":[196],"experiments":[197],"have":[198],"been":[199],"conducted":[200],"evaluate":[202],"experimental":[211],"results":[212],"illustrate":[213],"outperforms":[218],"baselines.":[219]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}