{"id":"https://openalex.org/W4395666614","doi":"https://doi.org/10.1145/3625687.3629535","title":"Poster Abstract: Enhancing Fingerprint-based Smartphone Localization Using Acoustic Time-of-Flight for Complex Indoors","display_name":"Poster Abstract: Enhancing Fingerprint-based Smartphone Localization Using Acoustic Time-of-Flight for Complex Indoors","publication_year":2023,"publication_date":"2023-11-12","ids":{"openalex":"https://openalex.org/W4395666614","doi":"https://doi.org/10.1145/3625687.3629535"},"language":"en","primary_location":{"id":"doi:10.1145/3625687.3629535","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3625687.3629535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st ACM Conference on Embedded Networked Sensor Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015809583","display_name":"Yukiya Mita","orcid":"https://orcid.org/0009-0004-2330-4901"},"institutions":[{"id":"https://openalex.org/I153327471","display_name":"Bunkyo University","ror":"https://ror.org/053h75930","country_code":"JP","type":"education","lineage":["https://openalex.org/I153327471"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yukiya Mita","raw_affiliation_strings":["The University of Tokyo, Bunkyo-ku, Japan"],"raw_orcid":"https://orcid.org/0009-0004-2330-4901","affiliations":[{"raw_affiliation_string":"The University of Tokyo, Bunkyo-ku, Japan","institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102737863","display_name":"Hiroaki Murakami","orcid":"https://orcid.org/0000-0002-4691-7696"},"institutions":[{"id":"https://openalex.org/I153327471","display_name":"Bunkyo University","ror":"https://ror.org/053h75930","country_code":"JP","type":"education","lineage":["https://openalex.org/I153327471"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroaki Murakami","raw_affiliation_strings":["The University of Tokyo, Bunkyo-ku, Japan"],"raw_orcid":"https://orcid.org/0000-0002-4691-7696","affiliations":[{"raw_affiliation_string":"The University of Tokyo, Bunkyo-ku, Japan","institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027448650","display_name":"Takuya Sasatani","orcid":"https://orcid.org/0000-0003-2268-6106"},"institutions":[{"id":"https://openalex.org/I153327471","display_name":"Bunkyo University","ror":"https://ror.org/053h75930","country_code":"JP","type":"education","lineage":["https://openalex.org/I153327471"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takuya Sasatani","raw_affiliation_strings":["The University of Tokyo, Bunkyo-ku, Japan"],"raw_orcid":"https://orcid.org/0000-0003-2268-6106","affiliations":[{"raw_affiliation_string":"The University of Tokyo, Bunkyo-ku, Japan","institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036123455","display_name":"Matthew Ishige","orcid":"https://orcid.org/0000-0003-0601-7586"},"institutions":[{"id":"https://openalex.org/I153327471","display_name":"Bunkyo University","ror":"https://ror.org/053h75930","country_code":"JP","type":"education","lineage":["https://openalex.org/I153327471"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Matthew Ishige","raw_affiliation_strings":["The University of Tokyo, Bunkyo-ku, Japan"],"raw_orcid":"https://orcid.org/0000-0003-0601-7586","affiliations":[{"raw_affiliation_string":"The University of Tokyo, Bunkyo-ku, Japan","institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069381472","display_name":"Yoshihiro Kawahara","orcid":"https://orcid.org/0000-0002-0310-2577"},"institutions":[{"id":"https://openalex.org/I153327471","display_name":"Bunkyo University","ror":"https://ror.org/053h75930","country_code":"JP","type":"education","lineage":["https://openalex.org/I153327471"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihiro Kawahara","raw_affiliation_strings":["The University of Tokyo, Bunkyo-ku, Japan"],"raw_orcid":"https://orcid.org/0000-0002-0310-2577","affiliations":[{"raw_affiliation_string":"The University of Tokyo, Bunkyo-ku, Japan","institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5015809583"],"corresponding_institution_ids":["https://openalex.org/I153327471","https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21239873,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"548","last_page":"549"},"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":0.996399998664856,"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/T10860","display_name":"Speech and Audio Processing","score":0.9912999868392944,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.8795775175094604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.727411150932312},{"id":"https://openalex.org/keywords/fingerprint-recognition","display_name":"Fingerprint recognition","score":0.6903966665267944},{"id":"https://openalex.org/keywords/ceiling","display_name":"Ceiling (cloud)","score":0.6893758773803711},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5332605242729187},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5257766246795654},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.48852860927581787},{"id":"https://openalex.org/keywords/signal-strength","display_name":"Signal strength","score":0.4351974427700043},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36313682794570923},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16369986534118652},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14178138971328735},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13119927048683167}],"concepts":[{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.8795775175094604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.727411150932312},{"id":"https://openalex.org/C168406668","wikidata":"https://www.wikidata.org/wiki/Q178022","display_name":"Fingerprint recognition","level":3,"score":0.6903966665267944},{"id":"https://openalex.org/C2777489069","wikidata":"https://www.wikidata.org/wiki/Q1589822","display_name":"Ceiling (cloud)","level":2,"score":0.6893758773803711},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5332605242729187},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5257766246795654},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.48852860927581787},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.4351974427700043},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36313682794570923},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16369986534118652},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14178138971328735},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13119927048683167},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3625687.3629535","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3625687.3629535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st ACM Conference on Embedded Networked Sensor Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2079797201","https://openalex.org/W2278572312","https://openalex.org/W3213481482","https://openalex.org/W4312234380"],"related_works":["https://openalex.org/W3014822659","https://openalex.org/W2117826006","https://openalex.org/W1621827506","https://openalex.org/W4362496757","https://openalex.org/W2051501574","https://openalex.org/W2124627279","https://openalex.org/W2050967184","https://openalex.org/W2566091814","https://openalex.org/W2114937328","https://openalex.org/W2148654711"],"abstract_inverted_index":{"Robust":[0],"indoor":[1,23],"positioning":[2,13],"systems":[3],"provide":[4],"stable":[5],"location-aware":[6],"applications,":[7],"enhancing":[8],"our":[9],"daily":[10],"experiences.":[11],"Fingerprint-based":[12],"techniques":[14],"enable":[15],"estimation":[16],"of":[17,64,73,98],"a":[18,55,83,95,102],"user's":[19,84],"position":[20,85],"in":[21],"complex":[22],"environments.":[24],"While":[25],"previous":[26,106],"studies":[27],"have":[28],"used":[29],"the":[30,61,71],"received":[31,76],"signal":[32],"strength":[33],"indicator":[34],"or":[35],"power":[36],"spectral":[37],"density":[38],"as":[39,54],"fingerprints,":[40],"they":[41],"typically":[42],"achieved":[43],"only":[44],"submeter":[45],"accuracy.":[46],"This":[47],"paper":[48],"presents":[49],"Geometric":[50],"Sound":[51],"Profile":[52],"(GSP)":[53],"novel":[56],"location":[57],"fingerprint":[58],"to":[59],"elevate":[60],"performance":[62],"ceiling":[63],"fingerprint-based":[65],"positioning.":[66],"GSP":[67],"is":[68,86],"derived":[69],"from":[70],"cross-correlation":[72],"transmitted":[74],"and":[75,82],"signals":[77],"based":[78],"on":[79],"transmission":[80],"time,":[81],"computed":[87],"using":[88],"weighted":[89],"k-nearest":[90],"neighbors.":[91],"Our":[92],"experiments":[93],"demonstrate":[94],"median":[96],"error":[97],"0.66":[99],"m,":[100],"marking":[101],"significant":[103],"advancement":[104],"over":[105],"fingerprinting":[107],"techniques.":[108]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
