{"id":"https://openalex.org/W4211048406","doi":"https://doi.org/10.3390/s22041348","title":"Non-Contact Smart Sensing of Physical Activities during Quarantine Period Using SDR Technology","display_name":"Non-Contact Smart Sensing of Physical Activities during Quarantine Period Using SDR Technology","publication_year":2022,"publication_date":"2022-02-10","ids":{"openalex":"https://openalex.org/W4211048406","doi":"https://doi.org/10.3390/s22041348","pmid":"https://pubmed.ncbi.nlm.nih.gov/35214253"},"language":"en","primary_location":{"id":"doi:10.3390/s22041348","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22041348","pdf_url":"https://www.mdpi.com/1424-8220/22/4/1348/pdf?version=1644568762","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/4/1348/pdf?version=1644568762","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5023084872","display_name":"Muhammad Bilal Khan","orcid":"https://orcid.org/0009-0001-5074-9672"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I16076960","display_name":"COMSATS University Islamabad","ror":"https://ror.org/00nqqvk19","country_code":"PK","type":"education","lineage":["https://openalex.org/I16076960"]}],"countries":["CN","PK"],"is_corresponding":false,"raw_author_name":"Muhammad Bilal Khan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Attock Campus, COMSATS University Islamabad, Attock 43600, Pakistan","School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Attock Campus, COMSATS University Islamabad, Attock 43600, Pakistan","institution_ids":["https://openalex.org/I16076960"]},{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069323702","display_name":"Ali Mustafa","orcid":null},"institutions":[{"id":"https://openalex.org/I16076960","display_name":"COMSATS University Islamabad","ror":"https://ror.org/00nqqvk19","country_code":"PK","type":"education","lineage":["https://openalex.org/I16076960"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Ali Mustafa","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Attock Campus, COMSATS University Islamabad, Attock 43600, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Attock Campus, COMSATS University Islamabad, Attock 43600, Pakistan","institution_ids":["https://openalex.org/I16076960"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000112659","display_name":"Mubashir Rehman","orcid":"https://orcid.org/0000-0002-5768-7195"},"institutions":[{"id":"https://openalex.org/I201726411","display_name":"United Arab Emirates University","ror":"https://ror.org/01km6p862","country_code":"AE","type":"education","lineage":["https://openalex.org/I201726411"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Mubashir Rehman","raw_affiliation_strings":["College of Information Technology, United Arab Emirates University (UAEU), Abu Dhabi 15551, United Arab Emirates"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Technology, United Arab Emirates University (UAEU), Abu Dhabi 15551, United Arab Emirates","institution_ids":["https://openalex.org/I201726411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005868223","display_name":"Najah AbuAli","orcid":"https://orcid.org/0000-0002-9777-9609"},"institutions":[{"id":"https://openalex.org/I201726411","display_name":"United Arab Emirates University","ror":"https://ror.org/01km6p862","country_code":"AE","type":"education","lineage":["https://openalex.org/I201726411"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Najah Abed AbuAli","raw_affiliation_strings":["College of Information Technology, United Arab Emirates University (UAEU), Abu Dhabi 15551, United Arab Emirates"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Technology, United Arab Emirates University (UAEU), Abu Dhabi 15551, United Arab Emirates","institution_ids":["https://openalex.org/I201726411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101599466","display_name":"Chang Yuan","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chang Yuan","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100755418","display_name":"Xiaodong Yang","orcid":"https://orcid.org/0000-0002-4701-1204"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaodong Yang","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103368796","display_name":"Fiaz Hussain Shah","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fiaz Hussain Shah","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047892843","display_name":"Qammer H. Abbasi","orcid":"https://orcid.org/0000-0002-7097-9969"},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Qammer H. Abbasi","raw_affiliation_strings":["School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK"],"raw_orcid":"https://orcid.org/0000-0002-7097-9969","affiliations":[{"raw_affiliation_string":"School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK","institution_ids":["https://openalex.org/I7882870"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100755418"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.1099,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.73291714,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"22","issue":"4","first_page":"1348","last_page":"1348"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9977999925613403,"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":0.9977999925613403,"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"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.953499972820282,"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/wearable-computer","display_name":"Wearable computer","score":0.6521152853965759},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5185328125953674},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4794989228248596},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3988833427429199},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.36805206537246704},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.32433903217315674},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32131630182266235},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3059510290622711}],"concepts":[{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.6521152853965759},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5185328125953674},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4794989228248596},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3988833427429199},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.36805206537246704},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.32433903217315674},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32131630182266235},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3059510290622711}],"mesh":[{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000086402","descriptor_name":"SARS-CoV-2","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011790","descriptor_name":"Quarantine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011790","descriptor_name":"Quarantine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011790","descriptor_name":"Quarantine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013672","descriptor_name":"Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013672","descriptor_name":"Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013672","descriptor_name":"Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.3390/s22041348","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22041348","pdf_url":"https://www.mdpi.com/1424-8220/22/4/1348/pdf?version=1644568762","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:35214253","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35214253","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:eprints.gla.ac.uk:264989","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Articles"},{"id":"pmh:oai:doaj.org/article:3ee17d74fa504dd89e15ec6d33290c72","is_oa":true,"landing_page_url":"https://doaj.org/article/3ee17d74fa504dd89e15ec6d33290c72","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":"Sensors, Vol 22, Iss 4, p 1348 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/4/1348/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22041348","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 22; Issue 4; Pages: 1348","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8963039","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8963039","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22041348","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22041348","pdf_url":"https://www.mdpi.com/1424-8220/22/4/1348/pdf?version=1644568762","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.8399999737739563,"display_name":"Good health and well-being"}],"awards":[{"id":"https://openalex.org/G5140965114","display_name":null,"funder_award_id":"JB180205","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4211048406.pdf","grobid_xml":"https://content.openalex.org/works/W4211048406.grobid-xml"},"referenced_works_count":52,"referenced_works":["https://openalex.org/W1560002189","https://openalex.org/W2115612038","https://openalex.org/W2240065978","https://openalex.org/W2338892592","https://openalex.org/W2340862004","https://openalex.org/W2443234934","https://openalex.org/W2550476060","https://openalex.org/W2559435062","https://openalex.org/W2593493570","https://openalex.org/W2594230123","https://openalex.org/W2604676908","https://openalex.org/W2609286783","https://openalex.org/W2736009068","https://openalex.org/W2768205359","https://openalex.org/W2786484969","https://openalex.org/W2791489307","https://openalex.org/W2793667086","https://openalex.org/W2799468554","https://openalex.org/W2804571873","https://openalex.org/W2807398657","https://openalex.org/W2886300352","https://openalex.org/W2892106364","https://openalex.org/W2897331919","https://openalex.org/W2913119698","https://openalex.org/W2918129735","https://openalex.org/W2918555348","https://openalex.org/W2918630919","https://openalex.org/W2923278307","https://openalex.org/W2927977632","https://openalex.org/W2940661151","https://openalex.org/W2942823189","https://openalex.org/W2946378948","https://openalex.org/W2946606693","https://openalex.org/W2947802499","https://openalex.org/W2952582779","https://openalex.org/W2954227008","https://openalex.org/W2968395168","https://openalex.org/W2968789637","https://openalex.org/W2979981624","https://openalex.org/W2980803040","https://openalex.org/W3003251380","https://openalex.org/W3006613040","https://openalex.org/W3013416559","https://openalex.org/W3017660267","https://openalex.org/W3022953390","https://openalex.org/W3034629251","https://openalex.org/W3042978151","https://openalex.org/W3076599040","https://openalex.org/W3091434185","https://openalex.org/W3103585945","https://openalex.org/W6734374684","https://openalex.org/W7047777660"],"related_works":["https://openalex.org/W2294565841","https://openalex.org/W2006668579","https://openalex.org/W3204276839","https://openalex.org/W4229671472","https://openalex.org/W2513792068","https://openalex.org/W4366731957","https://openalex.org/W4293469093","https://openalex.org/W2383801459","https://openalex.org/W2545256787","https://openalex.org/W4233785208"],"abstract_inverted_index":{"The":[0,174,185,212],"global":[1],"pandemic":[2,106],"of":[3,13,19,73,81,119,227],"the":[4,11,46,55,87,117,154,166],"coronavirus":[5],"disease":[6],"(COVID-19)":[7],"is":[8,84,109,129,158,177,215],"dramatically":[9],"changing":[10],"lives":[12],"humans":[14],"and":[15,34,75,99,121,138,181,222,247,250],"results":[16],"in":[17,104,125],"limitation":[18],"activities,":[20,23,103],"especially":[21],"physical":[22,67,82,102,136,163],"which":[24],"lead":[25],"to":[26,63,90,160,243],"various":[27],"health":[28,52,144],"issues":[29],"such":[30],"as":[31,41],"cardiovascular,":[32],"diabetes,":[33],"gout.":[35],"Physical":[36],"activities":[37,68,83,137,164,206],"are":[38,69,201],"often":[39],"viewed":[40],"a":[42,70,105,111,126,130,149,231],"double-edged":[43],"sword.":[44],"On":[45],"one":[47],"hand,":[48,57],"it":[49,58,108],"offers":[50],"enormous":[51],"benefits;":[53],"on":[54],"other":[56,122],"can":[59,97],"cause":[60,72],"irreparable":[61],"damage":[62],"health.":[64],"Falls":[65],"during":[66,86,165],"significant":[71],"fatal":[74],"non-fatal":[76],"injuries.":[77],"Therefore,":[78],"continuous":[79],"monitoring":[80,135],"crucial":[85],"quarantine":[88,167],"period":[89,168],"detect":[91,98,244],"falls.":[92],"Even":[93],"though":[94],"wearable":[95],"sensors":[96],"recognize":[100],"human":[101,162],"crisis,":[107],"not":[110],"realistic":[112],"approach.":[113],"Smart":[114],"sensing":[115,152,238],"with":[116,193,224],"support":[118],"smartphones":[120],"wireless":[123,196],"devices":[124],"non-contact":[127,150],"manner":[128],"promising":[131],"solution":[132],"for":[133,203],"continuously":[134],"assisting":[139],"patients":[140],"suffering":[141],"from":[142,218],"serious":[143],"issues.":[145],"In":[146],"this":[147],"research,":[148],"smart":[151,237],"through":[153],"walls":[155],"(TTW)":[156],"platform":[157,176],"developed":[159,175],"monitor":[161,248],"using":[169,230],"software-defined":[170],"radio":[171],"(SDR)":[172],"technology.":[173],"intelligent,":[178],"flexible,":[179],"portable,":[180],"has":[182],"multi-functional":[183],"capabilities.":[184],"received":[186],"orthogonal":[187],"frequency":[188],"division":[189],"multiplexing":[190],"(OFDM)":[191],"signals":[192],"fine-grained":[194],"64-subcarriers":[195],"channel":[197],"state":[198],"information":[199],"(WCSI)":[200],"exploited":[202],"classifying":[204],"different":[205],"by":[207,229],"applying":[208],"machine":[209],"learning":[210],"algorithms.":[211],"fall":[213],"activity":[214],"classified":[216],"separately":[217],"standing,":[219],"walking,":[220],"running,":[221],"bending":[223],"an":[225],"accuracy":[226],"99.7%":[228],"fine":[232],"tree":[233],"algorithm.":[234],"This":[235],"preliminary":[236],"opens":[239],"new":[240],"research":[241],"directions":[242],"COVID-19":[245],"symptoms":[246],"non-communicable":[249],"communicable":[251],"diseases.":[252]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}