{"id":"https://openalex.org/W4400811183","doi":"https://doi.org/10.1109/eucnc/6gsummit60053.2024.10597033","title":"Indoor Positioning with Probabilistic Graphical Models in RIS-Enhanced mmWave MIMO Systems","display_name":"Indoor Positioning with Probabilistic Graphical Models in RIS-Enhanced mmWave MIMO Systems","publication_year":2024,"publication_date":"2024-06-03","ids":{"openalex":"https://openalex.org/W4400811183","doi":"https://doi.org/10.1109/eucnc/6gsummit60053.2024.10597033"},"language":"en","primary_location":{"id":"doi:10.1109/eucnc/6gsummit60053.2024.10597033","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/eucnc/6gsummit60053.2024.10597033","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit)","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/A5082556541","display_name":"Leonardo Ter\u00e7as","orcid":"https://orcid.org/0000-0003-2712-8381"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Leonardo Ter\u00e7as","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications (CWC),Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications (CWC),Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066906982","display_name":"Rafaela Schroeder","orcid":"https://orcid.org/0000-0002-1119-5224"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Rafaela Schroeder","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications (CWC),Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications (CWC),Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039927858","display_name":"Jiguang He","orcid":"https://orcid.org/0000-0002-6227-2138"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jiguang He","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications (CWC),Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications (CWC),Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029534229","display_name":"Markku Juntti","orcid":"https://orcid.org/0000-0002-5413-1896"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markku Juntti","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications (CWC),Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications (CWC),Finland","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5082556541"],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08552532,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"511","last_page":"516"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9984999895095825,"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":0.9984999895095825,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9976000189781189,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9879000186920166,"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/probabilistic-logic","display_name":"Probabilistic logic","score":0.7156693339347839},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6684730648994446},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6113382577896118},{"id":"https://openalex.org/keywords/graphical-model","display_name":"Graphical model","score":0.516295850276947},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3073001801967621},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17250320315361023}],"concepts":[{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.7156693339347839},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6684730648994446},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6113382577896118},{"id":"https://openalex.org/C155846161","wikidata":"https://www.wikidata.org/wiki/Q1143367","display_name":"Graphical model","level":2,"score":0.516295850276947},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3073001801967621},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17250320315361023},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/eucnc/6gsummit60053.2024.10597033","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/eucnc/6gsummit60053.2024.10597033","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5899999737739563}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1511986666","https://openalex.org/W1536252645","https://openalex.org/W2051203581","https://openalex.org/W2116940043","https://openalex.org/W2132755557","https://openalex.org/W2153323645","https://openalex.org/W2593683299","https://openalex.org/W2982057905","https://openalex.org/W2997206660","https://openalex.org/W3011067038","https://openalex.org/W3038047043","https://openalex.org/W3039576648","https://openalex.org/W3095337217","https://openalex.org/W3126771108","https://openalex.org/W3136391156","https://openalex.org/W3178014739","https://openalex.org/W4210659589","https://openalex.org/W4294068592","https://openalex.org/W4294783215","https://openalex.org/W4386373863","https://openalex.org/W4388323202","https://openalex.org/W6842818987"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2109986081","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4297589944","https://openalex.org/W4286900141"],"abstract_inverted_index":{"We":[0],"apply":[1],"a":[2,10,21,48],"Bayesian-based":[3],"framework":[4,78],"to":[5,60,124],"address":[6],"indoor":[7],"positioning":[8],"in":[9,85,154],"reconfigurable":[11],"intelligent":[12],"surface":[13],"(RIS)":[14],"assisted":[15],"MIMO":[16],"communications":[17],"system.":[18],"By":[19],"employing":[20],"two-stage":[22],"estimation":[23],"approach,":[24],"we":[25,43],"first":[26],"estimate":[27],"the":[28,40,45,55,62,66,70,86,113,120,131,143,155],"channel":[29,72],"parameters":[30],"using":[31,94],"atomic":[32],"norm":[33],"minimization":[34],"(ANM)":[35],"via":[36],"downlink":[37],"training.":[38],"In":[39,128],"second":[41,87],"stage,":[42],"model":[44,51],"system":[46],"as":[47],"probabilistic":[49],"graphical":[50],"(PGM)":[52],"and":[53,102,119],"utilize":[54],"No-U-Turn":[56],"Sampler":[57],"(NUTS)":[58],"algorithm":[59],"approximate":[61],"posterior":[63],"distribution":[64,99],"of":[65,151],"coordinates":[67],"based":[68],"on":[69],"estimated":[71],"parameters.":[73],"Unlike":[74],"existing":[75],"algorithms,":[76],"our":[77,138],"does":[79],"not":[80],"require":[81],"additional":[82],"pilot":[83],"acquisition":[84],"stage.":[88],"The":[89],"numerical":[90],"results":[91],"are":[92,110],"presented":[93],"kernel":[95],"density":[96],"estimation,":[97],"cumulative":[98],"function":[100],"(CDF),":[101],"root":[103],"mean":[104],"square":[105],"error":[106],"(RMSE).":[107],"Our":[108],"findings":[109],"compared":[111],"with":[112],"non-linear":[114],"least":[115],"squares":[116],"(NLS)":[117],"estimator":[118],"Cram\u00e9r-Rao":[121],"lower":[122],"bound":[123],"evaluate":[125],"its":[126],"performance.":[127],"particular,":[129],"when":[130],"signal-to-noise":[132],"ratio":[133],"(SNR)":[134],"exceeds":[135],"\u221215":[136],"dB,":[137],"proposed":[139],"method":[140],"significantly":[141],"outperforms":[142],"NLS":[144],"estimator,":[145],"bringing":[146],"an":[147],"accuracy":[148],"percentage":[149],"improvement":[150],"over":[152],"50%":[153],"considered":[156],"set-up.":[157]},"counts_by_year":[],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}