{"id":"https://openalex.org/W4224235599","doi":"https://doi.org/10.3390/info13050211","title":"A Proposal of the Fingerprint Optimization Method for the Fingerprint-Based Indoor Localization System with IEEE 802.15.4 Devices","display_name":"A Proposal of the Fingerprint Optimization Method for the Fingerprint-Based Indoor Localization System with IEEE 802.15.4 Devices","publication_year":2022,"publication_date":"2022-04-20","ids":{"openalex":"https://openalex.org/W4224235599","doi":"https://doi.org/10.3390/info13050211"},"language":"en","primary_location":{"id":"doi:10.3390/info13050211","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info13050211","pdf_url":"https://www.mdpi.com/2078-2489/13/5/211/pdf?version=1650442725","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"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":"Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2078-2489/13/5/211/pdf?version=1650442725","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027466895","display_name":"Yuanzhi Huo","orcid":"https://orcid.org/0009-0009-1695-8903"},"institutions":[{"id":"https://openalex.org/I163770644","display_name":"Okayama University","ror":"https://ror.org/02pc6pc55","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuanzhi Huo","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan","institution_ids":["https://openalex.org/I163770644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012354649","display_name":"Pradini Puspitaningayu","orcid":"https://orcid.org/0000-0002-2053-2907"},"institutions":[{"id":"https://openalex.org/I163770644","display_name":"Okayama University","ror":"https://ror.org/02pc6pc55","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Pradini Puspitaningayu","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan","institution_ids":["https://openalex.org/I163770644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057610115","display_name":"Nobuo Funabiki","orcid":"https://orcid.org/0000-0003-3234-3473"},"institutions":[{"id":"https://openalex.org/I163770644","display_name":"Okayama University","ror":"https://ror.org/02pc6pc55","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Nobuo Funabiki","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan","institution_ids":["https://openalex.org/I163770644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041152590","display_name":"Kazushi Hamazaki","orcid":null},"institutions":[{"id":"https://openalex.org/I163770644","display_name":"Okayama University","ror":"https://ror.org/02pc6pc55","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazushi Hamazaki","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan","institution_ids":["https://openalex.org/I163770644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024721011","display_name":"Minoru Kuribayashi","orcid":"https://orcid.org/0000-0003-4844-2652"},"institutions":[{"id":"https://openalex.org/I163770644","display_name":"Okayama University","ror":"https://ror.org/02pc6pc55","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Minoru Kuribayashi","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Okayama University, Okayama 700-8530, Japan","institution_ids":["https://openalex.org/I163770644"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046272560","display_name":"Kazuyuki Kojima","orcid":null},"institutions":[{"id":"https://openalex.org/I197425175","display_name":"Shonan Institute of Technology","ror":"https://ror.org/01bawqf59","country_code":"JP","type":"education","lineage":["https://openalex.org/I197425175"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuyuki Kojima","raw_affiliation_strings":["Mechanical Engineering, Shonan Institute of Technology, Kanagawa 251-8511, Japan"],"affiliations":[{"raw_affiliation_string":"Mechanical Engineering, Shonan Institute of Technology, Kanagawa 251-8511, Japan","institution_ids":["https://openalex.org/I197425175"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5057610115"],"corresponding_institution_ids":["https://openalex.org/I163770644"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":0.9148,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.72158005,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"13","issue":"5","first_page":"211","last_page":"211"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9927999973297119,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.8451524376869202},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.7078815698623657},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7026597857475281},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5528843998908997},{"id":"https://openalex.org/keywords/fingerprint-recognition","display_name":"Fingerprint recognition","score":0.5410825610160828},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5371464490890503},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4799785315990448},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.42205119132995605},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4208712875843048},{"id":"https://openalex.org/keywords/granularity","display_name":"Granularity","score":0.41605639457702637},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3913564085960388},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.146162211894989},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.11901441216468811},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11214730143547058}],"concepts":[{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.8451524376869202},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.7078815698623657},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7026597857475281},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5528843998908997},{"id":"https://openalex.org/C168406668","wikidata":"https://www.wikidata.org/wiki/Q178022","display_name":"Fingerprint recognition","level":3,"score":0.5410825610160828},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5371464490890503},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4799785315990448},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42205119132995605},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4208712875843048},{"id":"https://openalex.org/C177774035","wikidata":"https://www.wikidata.org/wiki/Q1246948","display_name":"Granularity","level":2,"score":0.41605639457702637},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3913564085960388},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.146162211894989},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.11901441216468811},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11214730143547058},{"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/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/info13050211","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info13050211","pdf_url":"https://www.mdpi.com/2078-2489/13/5/211/pdf?version=1650442725","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"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":"Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:0c70cb4fe094463fb591e900d9595aea","is_oa":true,"landing_page_url":"https://doaj.org/article/0c70cb4fe094463fb591e900d9595aea","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":"Information, Vol 13, Iss 5, p 211 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2078-2489/13/5/211/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/info13050211","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":"Information; Volume 13; Issue 5; Pages: 211","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/info13050211","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info13050211","pdf_url":"https://www.mdpi.com/2078-2489/13/5/211/pdf?version=1650442725","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"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":"Information","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.699999988079071,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4224235599.pdf","grobid_xml":"https://content.openalex.org/works/W4224235599.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W884630482","https://openalex.org/W1895193672","https://openalex.org/W1964083272","https://openalex.org/W1988262848","https://openalex.org/W2032268589","https://openalex.org/W2051376734","https://openalex.org/W2066110524","https://openalex.org/W2087797502","https://openalex.org/W2088178750","https://openalex.org/W2111986491","https://openalex.org/W2149438367","https://openalex.org/W2170108541","https://openalex.org/W2184378827","https://openalex.org/W2216675151","https://openalex.org/W2307851164","https://openalex.org/W2314200675","https://openalex.org/W2492626546","https://openalex.org/W2544628053","https://openalex.org/W2562522049","https://openalex.org/W2566257712","https://openalex.org/W2599936006","https://openalex.org/W2603071509","https://openalex.org/W2727083611","https://openalex.org/W2747656948","https://openalex.org/W2767333724","https://openalex.org/W2794105321","https://openalex.org/W2914814415","https://openalex.org/W2969663396","https://openalex.org/W3010279660","https://openalex.org/W3029613272","https://openalex.org/W3030402745","https://openalex.org/W3154702356","https://openalex.org/W3160468660","https://openalex.org/W3182944083","https://openalex.org/W3187464544","https://openalex.org/W3214023155","https://openalex.org/W3216125564","https://openalex.org/W6686634120","https://openalex.org/W6688620386","https://openalex.org/W6723110349","https://openalex.org/W6794163458"],"related_works":["https://openalex.org/W3014822659","https://openalex.org/W4389371618","https://openalex.org/W2117826006","https://openalex.org/W4362496757","https://openalex.org/W2566091814","https://openalex.org/W2114937328","https://openalex.org/W4312797710","https://openalex.org/W2148654711","https://openalex.org/W2608025327","https://openalex.org/W1621827506"],"abstract_inverted_index":{"Nowadays,":[0],"human":[1,80],"indoor":[2,25,40],"localization":[3,26,41,89],"services":[4],"inside":[5],"buildings":[6],"or":[7],"on":[8],"underground":[9],"streets":[10],"are":[11],"in":[12,99,134,200],"strong":[13],"demand":[14],"for":[15,75,106,128,161,174],"various":[16],"location-based":[17],"services.":[18],"Since":[19],"conventional":[20],"GPS":[21],"cannot":[22],"be":[23,116],"used,":[24],"systems":[27],"using":[28,43,145,195],"wireless":[29],"technologies":[30],"have":[31],"been":[32],"extensively":[33],"studied.":[34],"Previously,":[35],"we":[36,122,185],"studied":[37],"a":[38,124,175],"fingerprint-based":[39],"system":[42,199],"IEEE802.15.4":[44],"devices,":[45],"called":[46],"FILS15.4,":[47],"to":[48,59,96,154,190],"allow":[49],"use":[50],"of":[51,172,229],"inexpensive,":[52],"tiny,":[53],"and":[54,64,82,102,231],"long-life":[55],"transmitters.":[56],"However,":[57],"due":[58],"the":[60,65,69,88,93,100,130,138,142,146,156,162,170,178,187,191,196,201,216,227,233],"narrow":[61],"channel":[62],"band":[63],"low":[66],"transmission":[67],"power,":[68],"link":[70],"quality":[71],"indicator":[72],"(LQI)":[73],"used":[74],"fingerprints":[76,105,173,230],"easily":[77],"fluctuates":[78],"by":[79,136,224],"movements":[81],"other":[83],"uncontrollable":[84],"factors.":[85],"To":[86],"improve":[87],"accuracy,":[90],"FILS15.4":[91,135,197],"restricts":[92],"detection":[94,218],"granularity":[95],"one":[97,107],"room":[98,163,176],"field,":[101],"adopts":[103],"multiple":[104],"room,":[108],"considering":[109],"fluctuated":[110],"signals,":[111],"where":[112],"their":[113],"values":[114,153],"must":[115],"properly":[117],"adjusted.":[118],"In":[119],"this":[120],"paper,":[121],"present":[123],"fingerprint":[125,132,152],"optimization":[126],"method":[127,189],"finding":[129],"proper":[131],"parameters":[133],"extending":[137],"existing":[139],"one.":[140],"As":[141],"training":[143],"phase":[144],"measurement":[147],"LQI,":[148],"it":[149,167,214],"iteratively":[150],"changes":[151],"maximize":[155],"newly":[157],"defined":[158],"score":[159],"function":[160],"detecting":[164],"accuracy.":[165],"Moreover,":[166],"automatically":[168,225],"increases":[169],"number":[171,228],"if":[177],"accuracy":[179,219],"is":[180],"not":[181],"sufficient.":[182],"For":[183],"evaluations,":[184],"applied":[186],"proposed":[188],"measured":[192],"LQI":[193],"data":[194],"testbed":[198],"no.":[202],"2":[203],"Engineering":[204],"Building":[205],"at":[206],"Okayama":[207],"University.":[208],"The":[209],"validation":[210],"results":[211],"show":[212],"that":[213],"improves":[215],"average":[217],"(at":[220],"higher":[221],"than":[222],"97%)":[223],"increasing":[226],"optimizing":[232],"values.":[234]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2022-04-26T00:00:00"}