{"id":"https://openalex.org/W3110105646","doi":"https://doi.org/10.1109/icce-taiwan49838.2020.9258097","title":"Device-Free Indoor Human Activity Recognition Using Wi-Fi RSSI: Machine Learning Approaches","display_name":"Device-Free Indoor Human Activity Recognition Using Wi-Fi RSSI: Machine Learning Approaches","publication_year":2020,"publication_date":"2020-09-28","ids":{"openalex":"https://openalex.org/W3110105646","doi":"https://doi.org/10.1109/icce-taiwan49838.2020.9258097","mag":"3110105646"},"language":"en","primary_location":{"id":"doi:10.1109/icce-taiwan49838.2020.9258097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce-taiwan49838.2020.9258097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan)","raw_type":"proceedings-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/A5102421647","display_name":"Chao\u2010Feng Hsieh","orcid":null},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chao-Feng Hsieh","raw_affiliation_strings":["Department of Communication Engineering, National Central University, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049626505","display_name":"Ying\u2010Chu Chen","orcid":"https://orcid.org/0000-0002-6297-0630"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yi-Chu Chen","raw_affiliation_strings":["Department of Communication Engineering, National Central University, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009849487","display_name":"Cheng-Ying Hsieh","orcid":"https://orcid.org/0000-0003-3093-6021"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cheng-Ying Hsieh","raw_affiliation_strings":["Department of Communication Engineering, National Central University, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061802575","display_name":"Meng\u2010Lin Ku","orcid":"https://orcid.org/0000-0002-2777-9355"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Meng-Lin Ku","raw_affiliation_strings":["Department of Communication Engineering, National Central University, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Communication Engineering, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102421647"],"corresponding_institution_ids":["https://openalex.org/I22265921"],"apc_list":null,"apc_paid":null,"fwci":0.7192,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.7110177,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"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":0.9965000152587891,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9927999973297119,"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/computer-science","display_name":"Computer science","score":0.7429338693618774},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.7051098346710205},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6014426946640015},{"id":"https://openalex.org/keywords/signal-strength","display_name":"Signal strength","score":0.5673320293426514},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.47492867708206177},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.46811097860336304},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46321991086006165},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.44384336471557617},{"id":"https://openalex.org/keywords/frequency-band","display_name":"Frequency band","score":0.43815919756889343},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3341636657714844},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3335736393928528},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3309277892112732},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18785810470581055},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.11717388033866882}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7429338693618774},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.7051098346710205},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6014426946640015},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.5673320293426514},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.47492867708206177},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.46811097860336304},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46321991086006165},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.44384336471557617},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.43815919756889343},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3341636657714844},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3335736393928528},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3309277892112732},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18785810470581055},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.11717388033866882},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icce-taiwan49838.2020.9258097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce-taiwan49838.2020.9258097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1894623711","https://openalex.org/W2095396347","https://openalex.org/W2118572719","https://openalex.org/W2126300356","https://openalex.org/W2129149054","https://openalex.org/W2344637340","https://openalex.org/W2525088374","https://openalex.org/W2537164875","https://openalex.org/W2740920577","https://openalex.org/W2946177978","https://openalex.org/W6728346343"],"related_works":["https://openalex.org/W3195649134","https://openalex.org/W2366906938","https://openalex.org/W2281498195","https://openalex.org/W2349391998","https://openalex.org/W4205655149","https://openalex.org/W3034529322","https://openalex.org/W2017526120","https://openalex.org/W2610664080","https://openalex.org/W2113597336","https://openalex.org/W2000775715"],"abstract_inverted_index":{"A":[0],"device-free":[1],"methodology":[2],"is":[3],"proposed":[4,97],"to":[5,28,66],"recognize":[6,67],"the":[7,30,38,62,68,82,92,96,106],"human":[8,69],"activity":[9,31],"in":[10,81,105],"indoor":[11],"environments":[12],"using":[13],"WiFi":[14],"received":[15],"signal":[16],"strength":[17],"indication":[18],"(RSSI),":[19],"and":[20,55,88,91],"several":[21],"machine":[22],"learning":[23],"(ML)":[24],"approaches":[25],"are":[26,40,79],"investigated":[27],"realize":[29],"detection.":[32],"With":[33],"multiple":[34,44],"access":[35],"points":[36],"(APs),":[37],"RSSIs":[39],"synchronously":[41],"collected":[42],"at":[43],"mobile":[45],"phones":[46],"(MPs)":[47],"with":[48],"different":[49],"locations":[50],"over":[51,101],"a":[52],"time":[53],"duration":[54],"served":[56],"as":[57],"input":[58],"data":[59],"for":[60],"training":[61],"detectors,":[63],"enabling":[64],"us":[65],"activities":[70],"of":[71,85],"either":[72],"moving":[73],"or":[74],"stationary.":[75],"Extensive":[76],"real":[77],"experiments":[78],"conducted":[80],"frequency":[83,109],"bands":[84],"2.4":[86],"GHz":[87,108],"5":[89,107],"GHz,":[90],"results":[93],"show":[94],"that":[95],"methods":[98],"can":[99],"achieve":[100],"95%":[102],"recognition":[103],"accuracy":[104],"band.":[110]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}