{"id":"https://openalex.org/W2150320343","doi":"https://doi.org/10.1145/1667780.1667799","title":"Use of active RFID and environment-embedded sensors for indoor object location estimation","display_name":"Use of active RFID and environment-embedded sensors for indoor object location estimation","publication_year":2009,"publication_date":"2009-12-03","ids":{"openalex":"https://openalex.org/W2150320343","doi":"https://doi.org/10.1145/1667780.1667799","mag":"2150320343"},"language":"en","primary_location":{"id":"doi:10.1145/1667780.1667799","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1667780.1667799","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd International Universal Communication Symposium","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/A5013663975","display_name":"Ming Li","orcid":"https://orcid.org/0000-0002-3325-9364"},"institutions":[{"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":"Ming Li","raw_affiliation_strings":["The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100628808","display_name":"Taketoshi Mori","orcid":"https://orcid.org/0000-0002-7208-6435"},"institutions":[{"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":"Taketoshi Mori","raw_affiliation_strings":["The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066019307","display_name":"Hiroshi Noguchi","orcid":"https://orcid.org/0000-0002-5303-5210"},"institutions":[{"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":"Hiroshi Noguchi","raw_affiliation_strings":["The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032839697","display_name":"Masamichi Shimosaka","orcid":"https://orcid.org/0000-0003-0558-2006"},"institutions":[{"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":"Masamichi Shimosaka","raw_affiliation_strings":["The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100994318","display_name":"Tomomasa Sato","orcid":null},"institutions":[{"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":"Tomomasa Sato","raw_affiliation_strings":["The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Hongo Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5013663975"],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":0.5982,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.73229923,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"93","last_page":"99"},"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9897000193595886,"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"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9829999804496765,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/object","display_name":"Object (grammar)","score":0.7314798831939697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7235449552536011},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.600821852684021},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5791124105453491},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5654074549674988},{"id":"https://openalex.org/keywords/object-detection","display_name":"Object detection","score":0.5519126653671265},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.531254231929779},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.48720353841781616},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.47368672490119934},{"id":"https://openalex.org/keywords/signal-strength","display_name":"Signal strength","score":0.469719797372818},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.442281037569046},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.4206595718860626},{"id":"https://openalex.org/keywords/radio-frequency-identification","display_name":"Radio-frequency identification","score":0.412501722574234},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.381189227104187},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17803263664245605},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.16188618540763855},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1585376262664795}],"concepts":[{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.7314798831939697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7235449552536011},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.600821852684021},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5791124105453491},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5654074549674988},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.5519126653671265},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.531254231929779},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.48720353841781616},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.47368672490119934},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.469719797372818},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.442281037569046},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.4206595718860626},{"id":"https://openalex.org/C204222849","wikidata":"https://www.wikidata.org/wiki/Q104954","display_name":"Radio-frequency identification","level":2,"score":0.412501722574234},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.381189227104187},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17803263664245605},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.16188618540763855},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1585376262664795},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"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/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"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:10.1145/1667780.1667799","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1667780.1667799","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd International Universal Communication Symposium","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":8,"referenced_works":["https://openalex.org/W127475754","https://openalex.org/W1503869564","https://openalex.org/W1989469311","https://openalex.org/W1994160765","https://openalex.org/W2002135847","https://openalex.org/W2133120670","https://openalex.org/W2163993204","https://openalex.org/W2277183816"],"related_works":["https://openalex.org/W2534066750","https://openalex.org/W2418090752","https://openalex.org/W2152888394","https://openalex.org/W2181368252","https://openalex.org/W2571879291","https://openalex.org/W2084119653","https://openalex.org/W2114873732","https://openalex.org/W2971366094","https://openalex.org/W2247367010","https://openalex.org/W2059091906"],"abstract_inverted_index":{"This":[0,166],"paper":[1],"describes":[2],"a":[3,20,57,63,83],"method":[4,17,60,130,170],"for":[5,105,162,173],"localizing":[6],"objects":[7],"in":[8,49,66],"an":[9,175],"actual":[10],"living":[11,182],"environment.":[12,51],"We":[13],"have":[14],"developed":[15],"this":[16],"by":[18,69],"using":[19,142],"complementary":[21],"combination":[22],"of":[23,46,122],"1)":[24],"received":[25,68],"signal":[26],"strength":[27],"indicators":[28],"(RSSIs)":[29],"and":[30,38,78],"vibration":[31],"data":[32],"acquired":[33],"from":[34,43,135],"active":[35],"RFID":[36],"tags,":[37],"2)":[39],"human":[40,112,164],"behavior":[41,113],"detected":[42,111],"various":[44],"types":[45],"sensors":[47,161],"embedded":[48],"the":[50,53,91,95,100,106,110,116,120,128,132,149],"Regarding":[52],"former,":[54],"we":[55,89,108,154],"use":[56,109],"pattern":[58],"recognition":[59],"to":[61,79,114,138,145],"select":[62],"feature":[64],"appeared":[65],"SSIs":[67],"several":[70],"radio":[71],"frequency":[72],"(RF)":[73],"readers":[74],"at":[75],"different":[76],"places":[77],"classify":[80],"them":[81],"into":[82],"particular":[84],"location.":[85],"In":[86],"our":[87],"work,":[88],"regard":[90],"estimated":[92],"location":[93,98,158],"as":[94],"most":[96],"probable":[97],"where":[99],"object":[101,157,168,177],"is":[102],"placed.":[103],"As":[104],"latter,":[107],"support":[115],"estimation":[117,133],"based":[118],"on":[119],"analysis":[121],"RSSIs.":[123],"Experiment":[124],"results":[125,150],"showed":[126],"that":[127,153,180],"proposed":[129],"improved":[131],"performance":[134],"about":[136],"50":[137],"95%":[139],"compared":[140],"with":[141],"only":[143],"RSSIs":[144],"localize":[146],"objects.":[147],"Moreover,":[148],"also":[151],"suggested":[152],"can":[155,171],"estimate":[156],"indoors":[159],"without":[160],"detecting":[163],"position.":[165],"indoor":[167,176],"localization":[169],"contribute":[172],"constructing":[174],"management":[178],"system":[179],"improves":[181],"comfort.":[183]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}