{"id":"https://openalex.org/W4399154284","doi":"https://doi.org/10.1109/ojcas.2024.3407663","title":"A Radar-Based System for Detection of Human Fall Utilizing Analog Hardware Architectures of Decision Tree Model","display_name":"A Radar-Based System for Detection of Human Fall Utilizing Analog Hardware Architectures of Decision Tree Model","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4399154284","doi":"https://doi.org/10.1109/ojcas.2024.3407663"},"language":"en","primary_location":{"id":"doi:10.1109/ojcas.2024.3407663","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2024.3407663","pdf_url":null,"source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"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 Open Journal of Circuits and Systems","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/ojcas.2024.3407663","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024524906","display_name":"Vassilis Alimisis","orcid":"https://orcid.org/0000-0002-2090-1493"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Vassilis Alimisis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"raw_orcid":"https://orcid.org/0000-0002-2090-1493","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092460167","display_name":"Dimitrios G. Arnaoutoglou","orcid":"https://orcid.org/0009-0004-1668-132X"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Dimitrios G. Arnaoutoglou","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece"],"raw_orcid":"https://orcid.org/0009-0004-1668-132X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5098938967","display_name":"Emmanouil Anastasios Serlis","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Emmanouil Anastasios Serlis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"raw_orcid":"https://orcid.org/0009-0007-2553-5203","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092483353","display_name":"Argyro Kamperi","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Argyro Kamperi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012785532","display_name":"Konstantinos Metaxas","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Konstantinos Metaxas","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045163317","display_name":"George A. Kyriacou","orcid":"https://orcid.org/0000-0001-5253-0896"},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George A. Kyriacou","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece"],"raw_orcid":"https://orcid.org/0000-0001-5253-0896","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece","institution_ids":["https://openalex.org/I147962203"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013213336","display_name":"Paul P. Sotiriadis","orcid":"https://orcid.org/0000-0001-6030-4645"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Paul P. Sotiriadis","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"raw_orcid":"https://orcid.org/0000-0001-6030-4645","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":5.5347,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.96880632,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"5","issue":null,"first_page":"224","last_page":"242"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.7742000222206116,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.7742000222206116,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/radar","display_name":"Radar","score":0.6043078899383545},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5514782071113586},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5022885799407959},{"id":"https://openalex.org/keywords/decision-tree","display_name":"Decision tree","score":0.4695499539375305},{"id":"https://openalex.org/keywords/radar-systems","display_name":"Radar systems","score":0.41692137718200684},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.37907665967941284},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3685641288757324},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.3427700400352478},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26698970794677734},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14134228229522705},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08620971441268921}],"concepts":[{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6043078899383545},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5514782071113586},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5022885799407959},{"id":"https://openalex.org/C84525736","wikidata":"https://www.wikidata.org/wiki/Q831366","display_name":"Decision tree","level":2,"score":0.4695499539375305},{"id":"https://openalex.org/C2984296375","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar systems","level":3,"score":0.41692137718200684},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.37907665967941284},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3685641288757324},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.3427700400352478},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26698970794677734},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14134228229522705},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08620971441268921},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ojcas.2024.3407663","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2024.3407663","pdf_url":null,"source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"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 Open Journal of Circuits and Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f0fcf29ab16f4a3b98e9e395031bfb76","is_oa":true,"landing_page_url":"https://doaj.org/article/f0fcf29ab16f4a3b98e9e395031bfb76","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of Circuits and Systems, Vol 5, Pp 224-242 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcas.2024.3407663","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2024.3407663","pdf_url":null,"source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"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 Open Journal of Circuits and Systems","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6299999952316284,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":76,"referenced_works":["https://openalex.org/W649475307","https://openalex.org/W1498820293","https://openalex.org/W1538006934","https://openalex.org/W1721177283","https://openalex.org/W1960210438","https://openalex.org/W2003522442","https://openalex.org/W2014617390","https://openalex.org/W2018618625","https://openalex.org/W2022102190","https://openalex.org/W2048582057","https://openalex.org/W2050492893","https://openalex.org/W2050534580","https://openalex.org/W2057997563","https://openalex.org/W2065828132","https://openalex.org/W2066789378","https://openalex.org/W2087016914","https://openalex.org/W2101286829","https://openalex.org/W2103557452","https://openalex.org/W2120461003","https://openalex.org/W2120695048","https://openalex.org/W2122210511","https://openalex.org/W2123597802","https://openalex.org/W2139016795","https://openalex.org/W2143165612","https://openalex.org/W2145998852","https://openalex.org/W2155326828","https://openalex.org/W2161028202","https://openalex.org/W2164147466","https://openalex.org/W2170577408","https://openalex.org/W2370850988","https://openalex.org/W2474840293","https://openalex.org/W2490662969","https://openalex.org/W2562166964","https://openalex.org/W2564573703","https://openalex.org/W2588424569","https://openalex.org/W2604400835","https://openalex.org/W2767165810","https://openalex.org/W2791524226","https://openalex.org/W2896122000","https://openalex.org/W2897597575","https://openalex.org/W2910166072","https://openalex.org/W2920878483","https://openalex.org/W2979457545","https://openalex.org/W2988296394","https://openalex.org/W2996159419","https://openalex.org/W3000821456","https://openalex.org/W3016420721","https://openalex.org/W3043805104","https://openalex.org/W3089636211","https://openalex.org/W3097294177","https://openalex.org/W3105608450","https://openalex.org/W3136945922","https://openalex.org/W3160224578","https://openalex.org/W3160396525","https://openalex.org/W3184363577","https://openalex.org/W3206058553","https://openalex.org/W4205409270","https://openalex.org/W4223949107","https://openalex.org/W4239972437","https://openalex.org/W4243832265","https://openalex.org/W4246830294","https://openalex.org/W4247922705","https://openalex.org/W4284705734","https://openalex.org/W4296774413","https://openalex.org/W4311461833","https://openalex.org/W4312309180","https://openalex.org/W4313307392","https://openalex.org/W4313886731","https://openalex.org/W4367320920","https://openalex.org/W4384067832","https://openalex.org/W4385485084","https://openalex.org/W4387757345","https://openalex.org/W4392406150","https://openalex.org/W6777030826","https://openalex.org/W6792751098","https://openalex.org/W6872244366"],"related_works":["https://openalex.org/W760655932","https://openalex.org/W96662699","https://openalex.org/W2573371920","https://openalex.org/W156107400","https://openalex.org/W2353141829","https://openalex.org/W2083225881","https://openalex.org/W2362183774","https://openalex.org/W2370482908","https://openalex.org/W2910716297","https://openalex.org/W2363629559"],"abstract_inverted_index":{"A":[0],"fall-detection":[1],"system":[2],"was":[3,127],"implemented":[4],"utilizing":[5],"a":[6,81],"2.45":[7],"GHz":[8],"continuous":[9],"wave":[10],"radar":[11],"along":[12],"with":[13],"power-efficient":[14],"and":[15,24,36,71,104,122,135],"fully-analog":[16],"integrated":[17],"classifier":[18,45],"architectures.":[19],"The":[20,43,58,98,110],"Power":[21],"Burst":[22],"Curve":[23],"the":[25,31,40,53,78,95,123],"effective":[26],"acceleration":[27],"were":[28,100,105,113],"derived":[29],"from":[30],"short":[32],"time":[33],"Fourier":[34],"transform,":[35],"then":[37],"processed":[38],"by":[39],"analog":[41,69,91],"classifier.":[42],"proposed":[44],"architectures":[46,59,99],"are":[47],"based":[48],"on":[49],"different":[50],"approximations":[51],"of":[52,61],"Decision":[54],"tree":[55],"classification":[56],"model.":[57],"consist":[60],"three":[62],"main":[63],"building":[64],"blocks:":[65],"sigmoid":[66],"function":[67],"circuit,":[68],"multiplier":[70],"an":[72],"argmax":[73],"operator":[74],"circuit.":[75],"To":[76],"assess":[77],"hardware":[79],"design,":[80,132],"thorough":[82],"analysis":[83],"is":[84],"performed,":[85],"comparing":[86],"it":[87],"to":[88,107],"commonly":[89],"used":[90],"classifiers":[92],"while":[93],"exploiting":[94],"extracted":[96],"data.":[97],"trained":[101],"using":[102,115],"Python":[103],"compared":[106],"software-based":[108],"classifiers.":[109],"circuit":[111],"designs":[112],"executed":[114],"TSMC\u2019s":[116],"90":[117],"nm":[118],"CMOS":[119],"process":[120],"technology":[121],"Cadence":[124],"IC":[125],"Suite":[126],"employed":[128],"for":[129],"tasks":[130],"including":[131],"schematic":[133],"implementation,":[134],"post-layout":[136],"simulations.":[137]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":23},{"year":2024,"cited_by_count":8}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}