{"id":"https://openalex.org/W4401326102","doi":"https://doi.org/10.1109/access.2024.3438871","title":"Multi-User Human Activity Recognition Through Adaptive Location-Independent WiFi Signal Characteristics","display_name":"Multi-User Human Activity Recognition Through Adaptive Location-Independent WiFi Signal Characteristics","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4401326102","doi":"https://doi.org/10.1109/access.2024.3438871"},"language":"en","primary_location":{"id":"doi:10.1109/access.2024.3438871","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3438871","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2024.3438871","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5041961234","display_name":"Fahd Abuhoureyah","orcid":"https://orcid.org/0000-0003-4973-9351"},"institutions":[{"id":"https://openalex.org/I32589535","display_name":"Technical University of Malaysia Malacca","ror":"https://ror.org/01xb6rs26","country_code":"MY","type":"education","lineage":["https://openalex.org/I32589535"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Fahd Abuhoureyah","raw_affiliation_strings":["Fakulti Teknologi dan Kejuruteraan Elektronik dan Komputer (FTKEK), Universiti Teknikal Malaysia Melaka (UTeM), Melaka, Malaysia"],"raw_orcid":"https://orcid.org/0000-0003-4973-9351","affiliations":[{"raw_affiliation_string":"Fakulti Teknologi dan Kejuruteraan Elektronik dan Komputer (FTKEK), Universiti Teknikal Malaysia Melaka (UTeM), Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010387108","display_name":"Kok Swee Sim","orcid":"https://orcid.org/0000-0003-2976-8825"},"institutions":[{"id":"https://openalex.org/I173029219","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33","country_code":"MY","type":"education","lineage":["https://openalex.org/I173029219"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Kok Swee Sim","raw_affiliation_strings":["Faculty of Engineering and Technology (FET), Multimedia University, Melaka, Malaysia"],"raw_orcid":"https://orcid.org/0000-0003-2976-8825","affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Technology (FET), Multimedia University, Melaka, Malaysia","institution_ids":["https://openalex.org/I173029219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074463832","display_name":"Yan Chiew Wong","orcid":"https://orcid.org/0000-0003-2483-9962"},"institutions":[{"id":"https://openalex.org/I32589535","display_name":"Technical University of Malaysia Malacca","ror":"https://ror.org/01xb6rs26","country_code":"MY","type":"education","lineage":["https://openalex.org/I32589535"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Yan Chiew Wong","raw_affiliation_strings":["Fakulti Teknologi dan Kejuruteraan Elektronik dan Komputer (FTKEK), Universiti Teknikal Malaysia Melaka (UTeM), Melaka, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fakulti Teknologi dan Kejuruteraan Elektronik dan Komputer (FTKEK), Universiti Teknikal Malaysia Melaka (UTeM), Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5041961234"],"corresponding_institution_ids":["https://openalex.org/I32589535"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.6037,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.90165998,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"12","issue":null,"first_page":"112008","last_page":"112024"},"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9970999956130981,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9959999918937683,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8268194198608398},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6770437359809875},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.6024106740951538},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5318417549133301},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.49069321155548096},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4410219192504883},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.42239809036254883},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4145807921886444},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3379736542701721},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.19423288106918335},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11244180798530579}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8268194198608398},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6770437359809875},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.6024106740951538},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5318417549133301},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.49069321155548096},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4410219192504883},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.42239809036254883},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4145807921886444},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3379736542701721},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.19423288106918335},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11244180798530579},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2024.3438871","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3438871","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:shdl.mmu.edu.my:12938","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196753","display_name":"Siti Hasmah Digital Library-MMU Institutiona Repository (Multimedia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I173029219","host_organization_name":"Multimedia University","host_organization_lineage":["https://openalex.org/I173029219"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"},{"id":"pmh:oai:doaj.org/article:48deb6040fdd451c8a17ee1e6d83299e","is_oa":true,"landing_page_url":"https://doaj.org/article/48deb6040fdd451c8a17ee1e6d83299e","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 12, Pp 112008-112024 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2024.3438871","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3438871","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320313202","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1970186350","https://openalex.org/W2765275233","https://openalex.org/W2771776337","https://openalex.org/W2787838761","https://openalex.org/W2809191403","https://openalex.org/W2811148470","https://openalex.org/W2820000974","https://openalex.org/W2897450941","https://openalex.org/W2906194850","https://openalex.org/W2917196819","https://openalex.org/W2940661151","https://openalex.org/W2963757717","https://openalex.org/W2979680912","https://openalex.org/W2980021985","https://openalex.org/W2989972314","https://openalex.org/W3009110689","https://openalex.org/W3018493579","https://openalex.org/W3035203002","https://openalex.org/W3083015740","https://openalex.org/W3093448691","https://openalex.org/W3102273958","https://openalex.org/W3106968138","https://openalex.org/W3115190138","https://openalex.org/W3153065290","https://openalex.org/W3154651967","https://openalex.org/W3156111932","https://openalex.org/W3174349673","https://openalex.org/W3196221233","https://openalex.org/W3210415230","https://openalex.org/W3211515875","https://openalex.org/W4226026671","https://openalex.org/W4226477056","https://openalex.org/W4294891910","https://openalex.org/W4295035323","https://openalex.org/W4307850727","https://openalex.org/W4310054432","https://openalex.org/W4312284955","https://openalex.org/W4312476858","https://openalex.org/W4387249107","https://openalex.org/W4387359831","https://openalex.org/W4395676913","https://openalex.org/W6793628428"],"related_works":["https://openalex.org/W3195649134","https://openalex.org/W2281498195","https://openalex.org/W4375867731","https://openalex.org/W2017526120","https://openalex.org/W2610664080","https://openalex.org/W2188304107","https://openalex.org/W2770593030","https://openalex.org/W2611989081","https://openalex.org/W3154990682","https://openalex.org/W2899145720"],"abstract_inverted_index":{"In":[0],"recent":[1],"years,":[2],"the":[3,27,87,94,103,137,184,196,208,213,221],"remarkable":[4,200],"advancement":[5],"of":[6,29,55,96,107,139,157,210],"WiFi":[7,58,116,167],"sensing":[8,59,76,109,168],"technologies":[9],"has":[10,60],"opened":[11],"new":[12],"frontiers":[13],"in":[14,115,175],"human":[15,56,67],"activity":[16,68],"recognition,":[17],"enabling":[18,225],"innovative":[19,90],"solutions":[20],"that":[21],"transcend":[22],"traditional":[23],"methods":[24],"and":[25,40,99,105,150,160,172,178,218],"improve":[26],"capabilities":[28,174],"intelligent":[30],"environments.":[31],"Individual":[32],"dynamic":[33],"movements":[34],"such":[35,48],"as":[36,42,44,49,62],"walking,":[37],"sitting,":[38],"standing,":[39],"running,":[41],"well":[43],"more":[45],"complex":[46,176,189,204],"interactions":[47],"sports":[50],"activities,":[51],"are":[52],"all":[53],"examples":[54],"activity.":[57],"emerged":[61],"a":[63,120,199],"powerful":[64],"tool":[65],"for":[66,89,130,165],"recognition;":[69],"however,":[70],"certain":[71],"restrictions":[72],"persist,":[73],"especially":[74],"when":[75],"activities":[77,190,231],"involving":[78],"multiple":[79],"users":[80],"across":[81],"different":[82],"locations.":[83],"These":[84],"limitations":[85],"highlight":[86],"need":[88],"techniques":[91],"to":[92,187,202,227],"address":[93,112],"intricacies":[95],"multi-user":[97,113,179],"scenarios":[98],"environmental":[100],"effects,":[101],"ensuring":[102],"robustness":[104],"accuracy":[106],"WiFi-based":[108],"systems.":[110],"To":[111],"effects":[114],"signals,":[117,224],"we":[118],"propose":[119],"few":[121],"layering":[122],"LSTM":[123],"deep":[124,161,211],"learning":[125,162],"models":[126],"with":[127,191,232],"Raspberry":[128],"Pi":[129],"edge":[131],"computing":[132],"solutions.":[133],"The":[134,155],"method":[135],"leverages":[136],"decomposition":[138,159],"Channel":[140],"State":[141],"Information":[142],"(CSI)":[143],"signals":[144],"through":[145],"Independent":[146],"Component":[147],"Analysis":[148],"(ICA)":[149],"Continuous":[151],"Wavelet":[152],"Transform":[153],"(CWT).":[154],"integration":[156],"signal":[158],"holds":[163],"promise":[164],"advancing":[166],"systems\u2019":[169],"accuracy,":[170],"reliability,":[171],"real-time":[173],"environments":[177],"scenarios.":[180],"Experimental":[181],"findings":[182],"prove":[183],"system\u2019s":[185],"ability":[186,201],"handle":[188],"high":[192,233],"classification":[193],"accuracy.":[194,234],"Furthermore,":[195],"system":[197],"displays":[198],"classify":[203],"activities.":[205],"By":[206],"leveraging":[207],"power":[209],"learning,":[212],"model":[214],"learns":[215],"intricate":[216],"patterns":[217],"relationships":[219],"within":[220],"decomposed":[222],"CSI":[223],"it":[226],"distinguish":[228],"between":[229],"diverse":[230]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}