{"id":"https://openalex.org/W2802740170","doi":"https://doi.org/10.3390/s18051504","title":"An RFID Indoor Positioning Algorithm Based on Support Vector Regression","display_name":"An RFID Indoor Positioning Algorithm Based on Support Vector Regression","publication_year":2018,"publication_date":"2018-05-10","ids":{"openalex":"https://openalex.org/W2802740170","doi":"https://doi.org/10.3390/s18051504","mag":"2802740170","pmid":"https://pubmed.ncbi.nlm.nih.gov/29748503"},"language":"en","primary_location":{"id":"doi:10.3390/s18051504","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18051504","pdf_url":"https://www.mdpi.com/1424-8220/18/5/1504/pdf?version=1525958899","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/1424-8220/18/5/1504/pdf?version=1525958899","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019497769","display_name":"He Xu","orcid":"https://orcid.org/0000-0003-2809-2237"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"He Xu","raw_affiliation_strings":["Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":"https://orcid.org/0000-0003-2809-2237","affiliations":[{"raw_affiliation_string":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","institution_ids":["https://openalex.org/I4210153300"]},{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086337909","display_name":"Manxing Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Manxing Wu","raw_affiliation_strings":["Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","institution_ids":["https://openalex.org/I4210153300"]},{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100432613","display_name":"Peng Li","orcid":"https://orcid.org/0000-0001-5026-5347"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Li","raw_affiliation_strings":["Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":"https://orcid.org/0000-0001-5026-5347","affiliations":[{"raw_affiliation_string":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","institution_ids":["https://openalex.org/I4210153300"]},{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101625311","display_name":"Feng Zhu","orcid":"https://orcid.org/0000-0002-7129-1082"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Zhu","raw_affiliation_strings":["Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","institution_ids":["https://openalex.org/I4210153300"]},{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109232005","display_name":"Ruchuan Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruchuan Wang","raw_affiliation_strings":["Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China","institution_ids":["https://openalex.org/I4210153300"]},{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5019497769"],"corresponding_institution_ids":["https://openalex.org/I41198531","https://openalex.org/I4210153300"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":6.4145,"has_fulltext":true,"cited_by_count":93,"citation_normalized_percentile":{"value":0.9706638,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"18","issue":"5","first_page":"1504","last_page":"1504"},"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":0.9919999837875366,"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":0.9907000064849854,"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/hybrid-positioning-system","display_name":"Hybrid positioning system","score":0.7629520893096924},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7047533988952637},{"id":"https://openalex.org/keywords/positioning-technology","display_name":"Positioning technology","score":0.671056866645813},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.627684473991394},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.6214540600776672},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.5744315981864929},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.48653045296669006},{"id":"https://openalex.org/keywords/positioning-system","display_name":"Positioning system","score":0.4525647461414337},{"id":"https://openalex.org/keywords/received-signal-strength-indication","display_name":"Received signal strength indication","score":0.41225746273994446},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3447161316871643},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2320435643196106},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20723241567611694},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14183545112609863}],"concepts":[{"id":"https://openalex.org/C187394410","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Hybrid positioning system","level":4,"score":0.7629520893096924},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7047533988952637},{"id":"https://openalex.org/C2778075934","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Positioning technology","level":2,"score":0.671056866645813},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.627684473991394},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.6214540600776672},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.5744315981864929},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.48653045296669006},{"id":"https://openalex.org/C2778603505","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Positioning system","level":3,"score":0.4525647461414337},{"id":"https://openalex.org/C2778913798","wikidata":"https://www.wikidata.org/wiki/Q1195672","display_name":"Received signal strength indication","level":3,"score":0.41225746273994446},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3447161316871643},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2320435643196106},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20723241567611694},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14183545112609863},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.0},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s18051504","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18051504","pdf_url":"https://www.mdpi.com/1424-8220/18/5/1504/pdf?version=1525958899","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:29748503","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/29748503","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:87ee51d6dbd54f5dbcb6d078241f3a4e","is_oa":true,"landing_page_url":"https://doaj.org/article/87ee51d6dbd54f5dbcb6d078241f3a4e","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 18, Iss 5, p 1504 (2018)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:4940715","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5982661","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"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":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/18/5/1504/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s18051504","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 18; Issue 5; Pages: 1504","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s18051504","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18051504","pdf_url":"https://www.mdpi.com/1424-8220/18/5/1504/pdf?version=1525958899","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":[{"id":"https://openalex.org/G1137523015","display_name":null,"funder_award_id":"KYCX17_0798","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G1378228622","display_name":null,"funder_award_id":"BE2015702","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G1848088266","display_name":null,"funder_award_id":"BK20140888","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2016976792","display_name":null,"funder_award_id":"BK20140888","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G2302560290","display_name":null,"funder_award_id":"BE2016185","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G2428574281","display_name":null,"funder_award_id":"1401005B","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2733581544","display_name":null,"funder_award_id":"61602261","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2768241053","display_name":null,"funder_award_id":"61602261","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G3195760877","display_name":null,"funder_award_id":"KYCX17_0798","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G3231074366","display_name":null,"funder_award_id":"KYCX17_0798","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G3429004407","display_name":null,"funder_award_id":"BE2016777","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G3464246607","display_name":null,"funder_award_id":"61572261","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G3466241898","display_name":null,"funder_award_id":"61602261","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G3765633576","display_name":null,"funder_award_id":"BK20160089","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G3883463486","display_name":null,"funder_award_id":"61672296","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G4412545503","display_name":null,"funder_award_id":"61672296","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G4501909945","display_name":null,"funder_award_id":"1401005B","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G4560232474","display_name":null,"funder_award_id":"No.: 61572260, No.: 61572261, No.: 61672296, No.: 61602261","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4582478976","display_name":null,"funder_award_id":"61572260","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G4610498096","display_name":null,"funder_award_id":"61572261","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G5178794163","display_name":null,"funder_award_id":"BE2016777","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G5501082402","display_name":null,"funder_award_id":"2014M561696","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G5511277232","display_name":null,"funder_award_id":"BE2016777","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G564069383","display_name":null,"funder_award_id":"BE2016185","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G5822630508","display_name":null,"funder_award_id":"2014M561696","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G6045317382","display_name":null,"funder_award_id":"BK20160089","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G6325756133","display_name":null,"funder_award_id":"2014M561696","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G6453245641","display_name":null,"funder_award_id":"61572260","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G6469539283","display_name":null,"funder_award_id":"61572261","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G6593036987","display_name":null,"funder_award_id":"BK20160089","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G6730978964","display_name":null,"funder_award_id":"BE2015702","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G6800098319","display_name":null,"funder_award_id":"No.: BK20140888","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G7209281400","display_name":null,"funder_award_id":"61672296","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G7919875418","display_name":null,"funder_award_id":"61572260","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8814366445","display_name":null,"funder_award_id":"BK20160089","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8829286619","display_name":null,"funder_award_id":"BE2016185","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G8877441144","display_name":null,"funder_award_id":"BK20140888","funder_id":"https://openalex.org/F4320335471","funder_display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds"},{"id":"https://openalex.org/G8937501636","display_name":null,"funder_award_id":"61572260","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G8997605758","display_name":null,"funder_award_id":"1401005B","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G997120791","display_name":null,"funder_award_id":"BE2015702","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323268","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34"},{"id":"https://openalex.org/F4320324852","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760"},{"id":"https://openalex.org/F4320335471","display_name":"Jiangsu Planned Projects for Postdoctoral Research Funds","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2802740170.pdf","grobid_xml":"https://content.openalex.org/works/W2802740170.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1499152962","https://openalex.org/W1963937072","https://openalex.org/W2001523369","https://openalex.org/W2037719923","https://openalex.org/W2045485685","https://openalex.org/W2073808079","https://openalex.org/W2085700186","https://openalex.org/W2086908048","https://openalex.org/W2113292116","https://openalex.org/W2116586605","https://openalex.org/W2120910213","https://openalex.org/W2125715583","https://openalex.org/W2126364161","https://openalex.org/W2126693585","https://openalex.org/W2129875949","https://openalex.org/W2163993204","https://openalex.org/W2164799987","https://openalex.org/W2169272251","https://openalex.org/W2338052507","https://openalex.org/W2548765505","https://openalex.org/W2593437485","https://openalex.org/W2607595839","https://openalex.org/W2621259674","https://openalex.org/W2743901700","https://openalex.org/W2746750595","https://openalex.org/W2784391510","https://openalex.org/W2785844689","https://openalex.org/W2792710373","https://openalex.org/W2999214452"],"related_works":["https://openalex.org/W189713034","https://openalex.org/W4382175670","https://openalex.org/W4387677619","https://openalex.org/W1926767291","https://openalex.org/W2306569468","https://openalex.org/W3200553284","https://openalex.org/W2403864116","https://openalex.org/W2903896792","https://openalex.org/W4318602911","https://openalex.org/W2516568351"],"abstract_inverted_index":{"Nowadays,":[0],"location-based":[1],"services,":[2],"which":[3,104],"include":[4],"services":[5,31],"to":[6,36,54,56,97,110,152],"identify":[7],"the":[8,37,42,92,101,118,121,127,133,143,154,163],"location":[9],"of":[10,39,44,83,91,120,129,135,157],"a":[11],"person":[12],"or":[13],"an":[14,112],"object,":[15],"have":[16,50],"many":[17,64],"uses":[18,105],"in":[19,32],"social":[20],"life.":[21],"Though":[22],"traditional":[23],"GPS":[24],"positioning":[25,30,66,76,99,123,155],"can":[26],"provide":[27],"high":[28,58],"quality":[29],"outdoor":[33],"environments,":[34,46],"due":[35],"shielding":[38],"buildings":[40],"and":[41,48,73,87,108,132,147],"interference":[43],"indoor":[45,60,65,98],"researchers":[47,81],"enterprises":[49],"paid":[51],"more":[52],"attention":[53],"how":[55],"perform":[57],"precision":[59,156],"positioning.":[61],"There":[62],"are":[63],"technologies,":[67],"such":[68],"as":[69],"WiFi,":[70],"Bluetooth,":[71],"UWB":[72],"RFID.":[74],"RFID":[75,106,136],"technology":[77],"is":[78,95,100,166],"favored":[79],"by":[80],"because":[82],"its":[84],"lower":[85],"cost":[86],"higher":[88],"accuracy.":[89],"One":[90],"methods":[93],"that":[94,162],"applied":[96],"LANDMARC":[102,122],"algorithm,":[103],"tags":[107,131],"readers":[109],"implement":[111],"Indoor":[113],"Positioning":[114],"System":[115],"(IPS).":[116],"However,":[117],"accuracy":[119],"algorithm":[124,151,165],"relies":[125],"on":[126],"density":[128],"reference":[130],"performance":[134],"readers.":[137],"In":[138],"this":[139],"paper,":[140],"we":[141],"introduce":[142],"weighted":[144],"path":[145],"length":[146],"support":[148],"vector":[149],"regression":[150],"improve":[153],"LANDMARC.":[158],"The":[159],"results":[160],"show":[161],"proposed":[164],"effective.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":18},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}