{"id":"https://openalex.org/W4377290276","doi":"https://doi.org/10.3390/rs15102676","title":"A Novel Device-Free Positioning Method Based on Wi-Fi CSI with NLOS Detection and Bayes Classification","display_name":"A Novel Device-Free Positioning Method Based on Wi-Fi CSI with NLOS Detection and Bayes Classification","publication_year":2023,"publication_date":"2023-05-21","ids":{"openalex":"https://openalex.org/W4377290276","doi":"https://doi.org/10.3390/rs15102676"},"language":"en","primary_location":{"id":"doi:10.3390/rs15102676","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15102676","pdf_url":"https://www.mdpi.com/2072-4292/15/10/2676/pdf?version=1684812981","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/15/10/2676/pdf?version=1684812981","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084838055","display_name":"Xingyu Zheng","orcid":"https://orcid.org/0009-0009-6283-7635"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingyu Zheng","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029924052","display_name":"Ruizhi Chen","orcid":"https://orcid.org/0000-0001-6683-2342"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]},{"id":"https://openalex.org/I4210140357","display_name":"Renmin Hospital of Wuhan University","ror":"https://ror.org/03ekhbz91","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210140357"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ruizhi Chen","raw_affiliation_strings":["Institute of Medical Informatics, Renmin Hospital of Wuhan University, Wuhan 430000, China","State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"Institute of Medical Informatics, Renmin Hospital of Wuhan University, Wuhan 430000, China","institution_ids":["https://openalex.org/I37461747","https://openalex.org/I4210140357"]},{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100334622","display_name":"Liang Chen","orcid":"https://orcid.org/0000-0002-7083-6001"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Chen","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100436103","display_name":"Lei Wang","orcid":"https://orcid.org/0000-0003-1887-6222"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Wang","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000295734","display_name":"Yue Yu","orcid":"https://orcid.org/0000-0003-3529-585X"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Yu","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042389296","display_name":"Zhenbing Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenbing Zhang","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100670212","display_name":"Wei Li","orcid":null},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Li","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084500703","display_name":"Yu Pei","orcid":"https://orcid.org/0000-0001-7714-9055"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Pei","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039108855","display_name":"Dewen Wu","orcid":"https://orcid.org/0000-0001-6860-612X"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dewen Wu","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043816633","display_name":"Yanlin Ruan","orcid":"https://orcid.org/0000-0001-5322-5877"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanlin Ruan","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5029924052"],"corresponding_institution_ids":["https://openalex.org/I37461747","https://openalex.org/I4210118728","https://openalex.org/I4210140357"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.173,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.7795572,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"15","issue":"10","first_page":"2676","last_page":"2676"},"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9891999959945679,"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/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.9836071729660034},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7833707332611084},{"id":"https://openalex.org/keywords/bayes-theorem","display_name":"Bayes' theorem","score":0.6031867861747742},{"id":"https://openalex.org/keywords/naive-bayes-classifier","display_name":"Naive Bayes classifier","score":0.5582665205001831},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5181540250778198},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5021672248840332},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.48077958822250366},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.4624391496181488},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.459774374961853},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.40899211168289185},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1356649100780487},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.13199904561042786},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.1176939606666565}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.9836071729660034},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7833707332611084},{"id":"https://openalex.org/C207201462","wikidata":"https://www.wikidata.org/wiki/Q182505","display_name":"Bayes' theorem","level":3,"score":0.6031867861747742},{"id":"https://openalex.org/C52001869","wikidata":"https://www.wikidata.org/wiki/Q812530","display_name":"Naive Bayes classifier","level":3,"score":0.5582665205001831},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5181540250778198},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5021672248840332},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.48077958822250366},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.4624391496181488},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.459774374961853},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.40899211168289185},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1356649100780487},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.13199904561042786},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.1176939606666565},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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:10.3390/rs15102676","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15102676","pdf_url":"https://www.mdpi.com/2072-4292/15/10/2676/pdf?version=1684812981","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:13dc7fca51394ed7a92bd1c44340234b","is_oa":true,"landing_page_url":"https://doaj.org/article/13dc7fca51394ed7a92bd1c44340234b","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":"Remote Sensing, Vol 15, Iss 10, p 2676 (2023)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/15/10/2676/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs15102676","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":"Remote Sensing; Volume 15; Issue 10; Pages: 2676","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs15102676","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15102676","pdf_url":"https://www.mdpi.com/2072-4292/15/10/2676/pdf?version=1684812981","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4377290276.pdf"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1927744280","https://openalex.org/W1978255623","https://openalex.org/W2005059864","https://openalex.org/W2014758824","https://openalex.org/W2032445265","https://openalex.org/W2036673818","https://openalex.org/W2051342469","https://openalex.org/W2080661738","https://openalex.org/W2120824934","https://openalex.org/W2129088323","https://openalex.org/W2148300020","https://openalex.org/W2161167940","https://openalex.org/W2240192984","https://openalex.org/W2323473861","https://openalex.org/W2509382177","https://openalex.org/W2524477929","https://openalex.org/W2526606216","https://openalex.org/W2557626841","https://openalex.org/W2595547504","https://openalex.org/W2607176470","https://openalex.org/W2735507411","https://openalex.org/W2741403911","https://openalex.org/W2743104312","https://openalex.org/W2743415265","https://openalex.org/W2764026391","https://openalex.org/W2765930120","https://openalex.org/W2774472083","https://openalex.org/W2778060426","https://openalex.org/W2792312025","https://openalex.org/W2900506750","https://openalex.org/W2902516214","https://openalex.org/W2917196819","https://openalex.org/W2926537987","https://openalex.org/W2934830435","https://openalex.org/W2939481405","https://openalex.org/W2952518356","https://openalex.org/W2954305199","https://openalex.org/W2980912481","https://openalex.org/W2984128863","https://openalex.org/W2995710070","https://openalex.org/W3019515151","https://openalex.org/W3024558907","https://openalex.org/W3028154864","https://openalex.org/W3102463400","https://openalex.org/W3130018464","https://openalex.org/W3136666733","https://openalex.org/W3164026182","https://openalex.org/W3165055106","https://openalex.org/W3187925434","https://openalex.org/W3205693253","https://openalex.org/W4293761187","https://openalex.org/W4296103550","https://openalex.org/W4311005401","https://openalex.org/W4313272721","https://openalex.org/W4323269198","https://openalex.org/W6661506865","https://openalex.org/W6795380876","https://openalex.org/W6980822313"],"related_works":["https://openalex.org/W2135431119","https://openalex.org/W2770855866","https://openalex.org/W3115024088","https://openalex.org/W2595988085","https://openalex.org/W2768409039","https://openalex.org/W4282031078","https://openalex.org/W3096729437","https://openalex.org/W3202239021","https://openalex.org/W2539163683","https://openalex.org/W4377290276"],"abstract_inverted_index":{"Device-free":[0],"wireless":[1],"localization":[2,193],"based":[3],"on":[4,39],"Wi-Fi":[5,43],"channel":[6],"state":[7],"information":[8],"(CSI)":[9],"is":[10,105,157,185,222],"an":[11,92],"emerging":[12],"technique":[13],"that":[14,62,97,214,227],"could":[15],"estimate":[16],"users\u2019":[17],"indoor":[18,93],"locations":[19],"without":[20],"invading":[21],"their":[22],"privacy":[23],"or":[24],"requiring":[25],"special":[26],"equipment.":[27],"It":[28,58],"deduces":[29],"the":[30,37,40,48,51,53,70,88,98,102,108,142,161,167,174,208,215,219,229],"position":[31,99,179],"of":[32,42,144,195,218,228],"a":[33,66,116,122],"person":[34],"by":[35,224,232],"analyzing":[36],"influence":[38],"CSI":[41,117,123],"signals.":[44],"When":[45],"pedestrians":[46],"block":[47],"signals":[49],"between":[50],"transceivers,":[52],"non-line-of-sight":[54],"(NLOS)":[55],"transmission":[56],"occurs.":[57],"should":[59],"be":[60],"noted":[61],"NLOS":[63,89,109,145,163,182,220],"has":[64],"been":[65,128],"significant":[67],"factor":[68],"restricting":[69],"device-free":[71],"positioning":[72,119,216],"accuracy":[73,194,217],"due":[74],"to":[75,159,172,207],"signal":[76],"reduction":[77],"and":[78,95,121,146,177,197,202,226],"abnormalities":[79],"during":[80],"multipath":[81],"propagation.":[82],"For":[83],"this":[84],"problem,":[85],"we":[86],"analyzed":[87],"effect":[90],"in":[91,101,141,200],"environment":[94],"found":[96],"error":[100],"LOS":[103,147,230],"condition":[104,221,231],"different":[106],"from":[107],"condition.":[110],"Then,":[111],"two":[112],"empirical":[113],"models,":[114],"namely,":[115],"passive":[118],"model":[120,165],"NLOS/LOS":[124],"detection":[125,164],"model,":[126],"have":[127],"derived":[129],"empirically":[130],"with":[131,166],"extensive":[132],"study,":[133],"which":[134],"can":[135],"obtain":[136],"better":[137,186],"robustness":[138],"identified":[139],"results":[140],"case":[143],"conditions.":[148],"An":[149],"algorithm":[150],"called":[151],"SVM-NB":[152],"(Support":[153],"Vector":[154],"Machine-Naive":[155],"Bayes)":[156],"proposed":[158,190],"integrate":[160],"SVM":[162],"Naive":[168],"Bayes":[169,209],"fingerprint":[170],"method":[171,191],"narrow":[173],"matching":[175],"area":[176],"improve":[178],"accuracy.":[180],"The":[181,189],"identification":[183],"precision":[184],"than":[187],"97%.":[188],"achieves":[192],"0.82":[196],"0.73":[198],"m":[199],"laboratory":[201],"corridor":[203],"scenes,":[204],"respectively.":[205],"Compared":[206],"method,":[210],"our":[211],"tests":[212],"showed":[213],"improved":[223],"28.7%":[225],"26.2%.":[233]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
