{"id":"https://openalex.org/W3194254761","doi":"https://doi.org/10.3390/s21175707","title":"Indoor Positioning Using Magnetic Fingerprint Map Captured by Magnetic Sensor Array","display_name":"Indoor Positioning Using Magnetic Fingerprint Map Captured by Magnetic Sensor Array","publication_year":2021,"publication_date":"2021-08-24","ids":{"openalex":"https://openalex.org/W3194254761","doi":"https://doi.org/10.3390/s21175707","mag":"3194254761","pmid":"https://pubmed.ncbi.nlm.nih.gov/34502598"},"language":"en","primary_location":{"id":"doi:10.3390/s21175707","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21175707","pdf_url":"https://www.mdpi.com/1424-8220/21/17/5707/pdf","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/1424-8220/21/17/5707/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073238142","display_name":"Ching-Han Chen","orcid":"https://orcid.org/0000-0003-4560-0889"},"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":"Ching-Han Chen","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan"],"raw_orcid":"https://orcid.org/0000-0003-4560-0889","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109515256","display_name":"Pi-Wei Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I151221077","display_name":"Chung Yuan Christian University","ror":"https://ror.org/02w8ws377","country_code":"TW","type":"education","lineage":["https://openalex.org/I151221077"]},{"id":"https://openalex.org/I214539897","display_name":"Wenzao Ursuline University of Languages","ror":"https://ror.org/014k07p29","country_code":"TW","type":"education","lineage":["https://openalex.org/I214539897"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Pi-Wei Chen","raw_affiliation_strings":["Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","institution_ids":["https://openalex.org/I214539897"]},{"raw_affiliation_string":"Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan","institution_ids":["https://openalex.org/I151221077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109515256","display_name":"Pi-Wei Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I151221077","display_name":"Chung Yuan Christian University","ror":"https://ror.org/02w8ws377","country_code":"TW","type":"education","lineage":["https://openalex.org/I151221077"]},{"id":"https://openalex.org/I214539897","display_name":"Wenzao Ursuline University of Languages","ror":"https://ror.org/014k07p29","country_code":"TW","type":"education","lineage":["https://openalex.org/I214539897"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Pi-Wei Chen","raw_affiliation_strings":["Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","institution_ids":["https://openalex.org/I214539897"]},{"raw_affiliation_string":"Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan","institution_ids":["https://openalex.org/I151221077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015978144","display_name":"Pi-Jhong Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I151221077","display_name":"Chung Yuan Christian University","ror":"https://ror.org/02w8ws377","country_code":"TW","type":"education","lineage":["https://openalex.org/I151221077"]},{"id":"https://openalex.org/I214539897","display_name":"Wenzao Ursuline University of Languages","ror":"https://ror.org/014k07p29","country_code":"TW","type":"education","lineage":["https://openalex.org/I214539897"]},{"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":"Pi-Jhong Chen","raw_affiliation_strings":["Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan","Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","institution_ids":["https://openalex.org/I214539897"]},{"raw_affiliation_string":"Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan","institution_ids":["https://openalex.org/I151221077"]},{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015978144","display_name":"Pi-Jhong Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I151221077","display_name":"Chung Yuan Christian University","ror":"https://ror.org/02w8ws377","country_code":"TW","type":"education","lineage":["https://openalex.org/I151221077"]},{"id":"https://openalex.org/I214539897","display_name":"Wenzao Ursuline University of Languages","ror":"https://ror.org/014k07p29","country_code":"TW","type":"education","lineage":["https://openalex.org/I214539897"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Pi-Jhong Chen","raw_affiliation_strings":["Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of English, Wenzao Ursuline University of Languages, Kaohsiung 80793, Taiwan","institution_ids":["https://openalex.org/I214539897"]},{"raw_affiliation_string":"Undergraduate Program in College of Electrical Engineering and Computer Science, Chung Yuan Christian University, Taoyuan 32023, Taiwan","institution_ids":["https://openalex.org/I151221077"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051156043","display_name":"Tzung-Hsin Liu","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":false,"raw_author_name":"Tzung-Hsin Liu","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Central University, Taoyuan 32001, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5015978144","https://openalex.org/A5109515256"],"corresponding_institution_ids":["https://openalex.org/I151221077","https://openalex.org/I214539897","https://openalex.org/I22265921"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.0171,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.75943383,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"21","issue":"17","first_page":"5707","last_page":"5707"},"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9854999780654907,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/fingerprint","display_name":"Fingerprint (computing)","score":0.7112473845481873},{"id":"https://openalex.org/keywords/magnetic-field","display_name":"Magnetic field","score":0.6341540217399597},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.5612592101097107},{"id":"https://openalex.org/keywords/compass","display_name":"Compass","score":0.5381733775138855},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5244220495223999},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.46282511949539185},{"id":"https://openalex.org/keywords/fingerprint-recognition","display_name":"Fingerprint recognition","score":0.4500102698802948},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.41787779331207275},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.39804306626319885},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38869690895080566},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.22023841738700867},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1653245985507965}],"concepts":[{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.7112473845481873},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.6341540217399597},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.5612592101097107},{"id":"https://openalex.org/C2778361833","wikidata":"https://www.wikidata.org/wiki/Q34735","display_name":"Compass","level":2,"score":0.5381733775138855},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5244220495223999},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.46282511949539185},{"id":"https://openalex.org/C168406668","wikidata":"https://www.wikidata.org/wiki/Q178022","display_name":"Fingerprint recognition","level":3,"score":0.4500102698802948},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.41787779331207275},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.39804306626319885},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38869690895080566},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.22023841738700867},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1653245985507965},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008280","descriptor_name":"Magnetics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008280","descriptor_name":"Magnetics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008280","descriptor_name":"Magnetics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D060526","descriptor_name":"Magnetic Fields","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060526","descriptor_name":"Magnetic Fields","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060526","descriptor_name":"Magnetic Fields","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s21175707","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21175707","pdf_url":"https://www.mdpi.com/1424-8220/21/17/5707/pdf","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:34502598","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34502598","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:doaj.org/article:03873ab9570f4452bf60c3b8a7ff494c","is_oa":true,"landing_page_url":"https://doaj.org/article/03873ab9570f4452bf60c3b8a7ff494c","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 21, Iss 17, p 5707 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/17/5707/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21175707","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 21; Issue 17; Pages: 5707","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8434502","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8434502","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/s21175707","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21175707","pdf_url":"https://www.mdpi.com/1424-8220/21/17/5707/pdf","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3194254761.pdf"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W84256307","https://openalex.org/W1935293109","https://openalex.org/W1947853012","https://openalex.org/W2100989187","https://openalex.org/W2110052721","https://openalex.org/W2115533988","https://openalex.org/W2116068514","https://openalex.org/W2143864104","https://openalex.org/W2156477559","https://openalex.org/W2169554323","https://openalex.org/W2294088583","https://openalex.org/W2336558231","https://openalex.org/W2413797300","https://openalex.org/W2595547504","https://openalex.org/W2610632737","https://openalex.org/W2766382441","https://openalex.org/W2803361295","https://openalex.org/W2903155668","https://openalex.org/W3126383194","https://openalex.org/W6603334166","https://openalex.org/W6675458768","https://openalex.org/W6677153691"],"related_works":["https://openalex.org/W4317418868","https://openalex.org/W2110182821","https://openalex.org/W2170038768","https://openalex.org/W2057849794","https://openalex.org/W2140519175","https://openalex.org/W4221054779","https://openalex.org/W1523257058","https://openalex.org/W3182678418","https://openalex.org/W2364411142","https://openalex.org/W3194254761"],"abstract_inverted_index":{"By":[0],"collecting":[1],"the":[2,19,23,28,33,40,45,129,139,169,173,177,183],"magnetic":[3,14,24,34,46,53,56,74,86,93,99,116,122,134,146,153,178],"field":[4,15,25,35,47,75,135,147],"information":[5],"of":[6,97,133,176,192],"each":[7],"spatial":[8,125],"point,":[9],"we":[10],"can":[11,59,119,167],"build":[12],"a":[13,70,84,92,102,110],"fingerprint":[16,36,76,136],"map.":[17],"When":[18],"user":[20],"is":[21,30,48,66,142,159],"positioning,":[22],"measured":[26],"by":[27,51,172],"sensor":[29,94,117,154],"matched":[31],"with":[32],"map":[37,77],"to":[38,61,68,108,127],"identify":[39],"user's":[41],"location.":[42],"However,":[43],"since":[44],"easily":[49],"affected":[50],"external":[52],"fields":[54],"and":[55,72,101,124,131,138],"storms,":[57],"which":[58,90,158],"lead":[60],"\"local":[62],"temporal-spatial":[63],"variation\",":[64],"it":[65],"difficult":[67],"construct":[69],"stable":[71],"accurate":[73],"for":[78,144],"indoor":[79,87,112,184],"positioning.":[80],"This":[81],"research":[82],"proposes":[83],"new":[85],"positioning":[88,113,156,185,190],"method,":[89],"combines":[91],"array":[95,118,155],"composed":[96],"three":[98],"sensors":[100],"recurrent":[103],"probabilistic":[104],"neural":[105],"network":[106],"(RPNN)":[107],"realize":[109],"high-precision":[111],"system.":[114],"The":[115],"detect":[120],"subtle":[121],"anomalies":[123],"variations":[126],"improve":[128],"stability":[130],"accuracy":[132,191],"maps,":[137],"RPNN":[140],"model":[141],"built":[143],"recognizing":[145],"fingerprint.":[148],"We":[149],"implement":[150],"an":[151,162,188],"embedded":[152],"system,":[157],"evaluated":[160],"in":[161],"experimental":[163],"environment.":[164],"Our":[165],"method":[166],"reduce":[168],"noise":[170],"caused":[171],"spatial-temporal":[174],"variation":[175],"field,":[179],"thus":[180],"greatly":[181],"improving":[182],"accuracy,":[186],"reaching":[187],"average":[189],"0.78":[193],"m.":[194]},"counts_by_year":[{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4}],"updated_date":"2026-06-29T08:53:18.405633","created_date":"2025-10-10T00:00:00"}