{"id":"https://openalex.org/W2004874020","doi":"https://doi.org/10.1109/wts.2007.4563343","title":"RFID Indoor Tracking based on Inter-tags Distance Measurement","display_name":"RFID Indoor Tracking based on Inter-tags Distance Measurement","publication_year":2007,"publication_date":"2007-04-01","ids":{"openalex":"https://openalex.org/W2004874020","doi":"https://doi.org/10.1109/wts.2007.4563343","mag":"2004874020"},"language":"en","primary_location":{"id":"doi:10.1109/wts.2007.4563343","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563343","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications 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/A5001930951","display_name":"Abdelmoula Bekkali","orcid":"https://orcid.org/0000-0002-5304-4627"},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Abdelmoula Bekkali","raw_affiliation_strings":["GITS, Waseda University of Japan, Tokyo, Japan","GITS, Waseda Univ., Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GITS, Waseda University of Japan, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]},{"raw_affiliation_string":"GITS, Waseda Univ., Tokyo","institution_ids":["https://openalex.org/I150744194"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011004483","display_name":"Mitsuji Matsumoto","orcid":null},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mitsuji Matsumoto","raw_affiliation_strings":["GITS, Waseda University of Japan, Tokyo, Japan","GITS, Waseda Univ., Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GITS, Waseda University of Japan, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]},{"raw_affiliation_string":"GITS, Waseda Univ., Tokyo","institution_ids":["https://openalex.org/I150744194"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7961,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.84842294,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9972000122070312,"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":0.9972000122070312,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.9764999747276306,"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/T10986","display_name":"RFID technology advancements","score":0.9448999762535095,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/computer-science","display_name":"Computer science","score":0.7879520654678345},{"id":"https://openalex.org/keywords/ultra-high-frequency","display_name":"Ultra high frequency","score":0.6817553043365479},{"id":"https://openalex.org/keywords/rss","display_name":"RSS","score":0.6798314452171326},{"id":"https://openalex.org/keywords/radio-frequency-identification","display_name":"Radio-frequency identification","score":0.611909806728363},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.5665125250816345},{"id":"https://openalex.org/keywords/multilateration","display_name":"Multilateration","score":0.5617024898529053},{"id":"https://openalex.org/keywords/tracking-system","display_name":"Tracking system","score":0.5610158443450928},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.48975062370300293},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.46093645691871643},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4594285488128662},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4457542896270752},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.4355491101741791},{"id":"https://openalex.org/keywords/video-tracking","display_name":"Video tracking","score":0.42202794551849365},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.41833555698394775},{"id":"https://openalex.org/keywords/location-tracking","display_name":"Location tracking","score":0.4137669801712036},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4066019654273987},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17689946293830872},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.13536235690116882},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.1144876778125763},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10878115892410278}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7879520654678345},{"id":"https://openalex.org/C96122199","wikidata":"https://www.wikidata.org/wiki/Q628096","display_name":"Ultra high frequency","level":2,"score":0.6817553043365479},{"id":"https://openalex.org/C2385561","wikidata":"https://www.wikidata.org/wiki/Q45432","display_name":"RSS","level":2,"score":0.6798314452171326},{"id":"https://openalex.org/C204222849","wikidata":"https://www.wikidata.org/wiki/Q104954","display_name":"Radio-frequency identification","level":2,"score":0.611909806728363},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.5665125250816345},{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.5617024898529053},{"id":"https://openalex.org/C154586513","wikidata":"https://www.wikidata.org/wiki/Q4420972","display_name":"Tracking system","level":3,"score":0.5610158443450928},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.48975062370300293},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.46093645691871643},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4594285488128662},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4457542896270752},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4355491101741791},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.42202794551849365},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.41833555698394775},{"id":"https://openalex.org/C3019020692","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Location tracking","level":2,"score":0.4137669801712036},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4066019654273987},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17689946293830872},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.13536235690116882},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.1144876778125763},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10878115892410278},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"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/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wts.2007.4563343","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563343","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4285153716","https://openalex.org/W2673135913","https://openalex.org/W2331874935","https://openalex.org/W2890875378","https://openalex.org/W4236373924","https://openalex.org/W2760268409","https://openalex.org/W1031946321","https://openalex.org/W1524127161","https://openalex.org/W2479707740","https://openalex.org/W2114954275"],"abstract_inverted_index":{"Summary":[0],"form":[1],"only":[2],"given.":[3],"Indoor":[4],"tracking":[5,80,101,226,242],"and":[6,17,73,92,116,123,160,173,181,257,272,287,304,319,334],"localization":[7,49,121],"is":[8,23,56,194,244],"a":[9,83,100],"crucial":[10],"ingredient":[11],"in":[12,34,53,234,330],"many":[13,20],"ubiquitous":[14,65],"computing":[15,66],"applications":[16,21,88],"robotics.":[18],"In":[19,95],"there":[22],"the":[24,28,31,35,48,62,120,149,155,158,161,166,175,178,183,189,192,198,201,208,214,236,254,262,267,270,273,278,295,302,310,317,322],"need":[25],"to":[26,69,118,142,196,213,221,252,260,300,308,325],"know":[27],"location":[29,140,205],"of":[30,50,87,112,200,207,238,269,297,321,332],"objects.":[32],"While":[33],"near":[36],"future":[37],"everything":[38],"will":[39,210],"be":[40,211],"tagged":[41,78],"with":[42,138],"radio":[43],"frequency":[44],"identification":[45],"(RFID)":[46],"tags,":[47],"these":[51],"tags":[52,109,137,164],"their":[54],"environment":[55,124],"becoming":[57],"an":[58,223],"important":[59],"feature":[60],"for":[61,103],"RFID":[63,77,108,114,129,150,231,239,305],"based":[64,245],"applications.":[67],"Due":[68],"its":[70,74],"lower":[71],"cost":[72,122],"technical":[75],"capabilities,":[76],"object":[79],"can":[81],"have":[82],"wide":[84],"diverse":[85],"variety":[86],"including":[89],"scientific,":[90],"military,":[91],"public":[93],"safety.":[94],"this":[96],"paper":[97],"we":[98,293],"propose":[99],"algorithm":[102,127,243,324],"objects":[104],"attached":[105],"by":[106,110,148],"UHF":[107],"means":[111],"two":[113,229],"antennas":[115],"landmarks":[117,185],"reduce":[119],"complexity.":[125],"This":[126,241],"uses":[128],"map":[130,285,306],"made":[131],"from":[132],"passive":[133],"or":[134],"active":[135],"references":[136],"known":[139],"(landmarks)":[141],"locate":[143],"any":[144],"unknown":[145,179,202],"tag":[146,180],"detected":[147,163,184],"reader":[151],"antennas.":[152],"It":[153],"measures":[154],"distances":[156],"between":[157,177],"readers":[159,232],"common":[162],"using":[165,228],"large":[167],"scale":[168],"path":[169],"loss":[170],"propagation":[171],"model,":[172],"calculates":[174],"distance":[176,256,259],"all":[182],"(inter-tags":[186],"distance).":[187],"With":[188],"multilateration":[190],"technique":[191],"system":[193,227],"able":[195],"estimate":[197,261],"position":[199,279],"tag.":[203],"The":[204,217],"estimation":[206],"target":[209,263],"independent":[212],"reader's":[215],"position.":[216],"research":[218],"challenge":[219],"corresponds":[220],"achieve":[222],"accurate":[224],"indoor":[225],"mobile":[230],"taking":[233],"consideration":[235],"limitation":[237],"technology.":[240],"on":[246,277],"received":[247],"signal":[248],"strength":[249],"(RSS)":[250],"measurement":[251,275],"measure":[253],"reader-tags":[255],"target-landmarks":[258],"location.":[264],"To":[265],"minimize":[266],"effect":[268],"RSS":[271],"process":[274],"noises":[276],"estimation,":[280],"maximum":[281],"likelihood":[282],"estimator":[283],"(MLE),":[284],"matching":[286,307],"Kalman":[288,298],"filter":[289,299],"are":[290],"applied.":[291],"Here,":[292],"investigate":[294],"use":[296],"improve":[301,309],"precision":[303],"accuracy.":[311],"Results":[312],"obtained":[313],"after":[314],"simulations":[315],"demonstrate":[316],"validity":[318],"suitability":[320],"proposed":[323],"provide":[326],"high":[327],"performance":[328],"level":[329],"terms":[331],"accuracy":[333],"scalability.":[335]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}