{"id":"https://openalex.org/W4405935563","doi":"https://doi.org/10.1109/itnac62915.2024.10815580","title":"Improving the Convergence of a Data-Driven Factor Graph Model for UWB-Based Positioning in Challenging Indoor Scenarios","display_name":"Improving the Convergence of a Data-Driven Factor Graph Model for UWB-Based Positioning in Challenging Indoor Scenarios","publication_year":2024,"publication_date":"2024-11-27","ids":{"openalex":"https://openalex.org/W4405935563","doi":"https://doi.org/10.1109/itnac62915.2024.10815580"},"language":"en","primary_location":{"id":"doi:10.1109/itnac62915.2024.10815580","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itnac62915.2024.10815580","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 34th International Telecommunication Networks and Applications Conference (ITNAC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.1109/ITNAC62915.2024.10815580","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075932119","display_name":"Ana Moragrega","orcid":"https://orcid.org/0000-0002-3780-9933"},"institutions":[{"id":"https://openalex.org/I4210087295","display_name":"Centre Tecnologic de Telecomunicacions de Catalunya","ror":"https://ror.org/001cwea56","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210087295","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Ana Moragrega","raw_affiliation_strings":["CTTC-CERCA,Geomatics Research Unit,Castelldefels,Barcelona,Spain"],"affiliations":[{"raw_affiliation_string":"CTTC-CERCA,Geomatics Research Unit,Castelldefels,Barcelona,Spain","institution_ids":["https://openalex.org/I4210087295"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003080075","display_name":"Carles Fern\u00e1ndez\u2013Prades","orcid":"https://orcid.org/0000-0002-9201-7007"},"institutions":[{"id":"https://openalex.org/I4210087295","display_name":"Centre Tecnologic de Telecomunicacions de Catalunya","ror":"https://ror.org/001cwea56","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210087295","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carles Fern\u00e1ndez-Prades","raw_affiliation_strings":["CTTC-CERCA,Navigation &#x0026; Positioning Research Unit,Castelldefels,Barcelona,Spain"],"affiliations":[{"raw_affiliation_string":"CTTC-CERCA,Navigation &#x0026; Positioning Research Unit,Castelldefels,Barcelona,Spain","institution_ids":["https://openalex.org/I4210087295"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075932119"],"corresponding_institution_ids":["https://openalex.org/I4210087295"],"apc_list":null,"apc_paid":null,"fwci":0.222,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.5686141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9969000220298767,"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":0.9969000220298767,"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":0.9060999751091003,"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/computer-science","display_name":"Computer science","score":0.7304370999336243},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.6489298939704895},{"id":"https://openalex.org/keywords/factor-graph","display_name":"Factor graph","score":0.5852020978927612},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.476041316986084},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.42451754212379456},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.272085964679718},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.24686211347579956},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.09292599558830261},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.07749396562576294}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7304370999336243},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.6489298939704895},{"id":"https://openalex.org/C159246509","wikidata":"https://www.wikidata.org/wiki/Q5428725","display_name":"Factor graph","level":3,"score":0.5852020978927612},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.476041316986084},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.42451754212379456},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.272085964679718},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.24686211347579956},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.09292599558830261},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.07749396562576294},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/itnac62915.2024.10815580","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itnac62915.2024.10815580","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 34th International Telecommunication Networks and Applications Conference (ITNAC)","raw_type":"proceedings-article"},{"id":"pmh:oai:zenodo.org:17122107","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ITNAC62915.2024.10815580","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"34th International Telecommunication Networks and Applications Conference, ITNAC 2024, Hybrid, Sydney, 27-29 November 2024","raw_type":"info:eu-repo/semantics/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:17122107","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ITNAC62915.2024.10815580","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"34th International Telecommunication Networks and Applications Conference, ITNAC 2024, Hybrid, Sydney, 27-29 November 2024","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.5199999809265137}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2137813581","https://openalex.org/W2933050413","https://openalex.org/W2968618534","https://openalex.org/W3108914020","https://openalex.org/W3119983134","https://openalex.org/W3164521861","https://openalex.org/W3199257106","https://openalex.org/W4244434362","https://openalex.org/W4381149234","https://openalex.org/W4400284299","https://openalex.org/W6779330150","https://openalex.org/W6862614041"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W162456724"],"abstract_inverted_index":{"Indoor":[0],"scenarios":[1],"can":[2,16,40,63],"pose":[3],"challenges":[4],"for":[5,84],"localization.":[6],"Effects":[7],"such":[8,54],"as":[9,55,94],"multipath":[10],"and":[11,99,129],"non-line-of-sight":[12],"propagation":[13],"between":[14,126],"devices":[15],"cause":[17],"errors":[18],"in":[19,27,87,177,199],"positioning":[20,44,86],"systems":[21],"that":[22,102,141,176],"utilize":[23],"radio":[24],"technologies,":[25],"even":[26],"ultra-wideband":[28],"(UWB)":[29],"technology-based":[30],"systems.":[31],"Additionally,":[32],"the":[33,37,43,49,74,106,122,127,138,143,180,184,187,194,200],"geometrical":[34],"location":[35],"of":[36,51,77,105,124,186,190,196],"anchor":[38,130],"nodes":[39,160],"also":[41],"impact":[42],"error":[45],"with":[46,137,145,162],"lateration.":[47],"In":[48],"case":[50],"iterative":[52],"algorithms":[53],"those":[56],"based":[57,169],"on":[58,170],"Machine":[59],"Learning,":[60],"these":[61,88],"effects":[62],"affect":[64],"algorithm":[65],"convergence.":[66],"This":[67],"work":[68],"presents":[69],"a":[70,78,95,97,146,166],"solution":[71,114,134,140,182],"to":[72,120],"enhance":[73],"convergence":[75,104,188],"stage":[76],"Data-driven":[79],"Factor":[80],"Graph":[81],"(FG)":[82],"Model":[83,118],"UWB-based":[85],"scenarios.":[89],"The":[90,112,132,149,173],"FG":[91],"is":[92,135,151],"represented":[93],"tree,":[96],"connected":[98],"acyclic":[100],"graph":[101],"ensures":[103],"Gaussian":[107,116,147],"Belief":[108],"Propagation":[109],"(BP)":[110],"algorithm.":[111,202],"new":[113],"utilizes":[115],"Mixture":[117],"fitting":[119],"estimate":[121],"covariance":[123,144],"distances":[125],"target":[128],"nodes.":[131],"presented":[133,181],"compared":[136],"classical":[139],"estimates":[142],"fitting.":[148],"comparison":[150],"conducted":[152],"using":[153],"real-life":[154],"data":[155],"collected":[156],"from":[157],"sensor":[158],"network":[159],"compliant":[161],"IEEE":[163],"802.15.4,":[164],"featuring":[165],"physical":[167],"layer":[168],"UWB":[171],"technology.":[172],"results":[174],"show":[175],"challenging":[178],"scenarios,":[179],"improves":[183],"rate":[185],"phase":[189],"BP,":[191],"although":[192],"at":[193],"expense":[195],"increased":[197],"complexity":[198],"FG-based":[201]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-27T23:08:20.325037","created_date":"2025-01-01T00:00:00"}
