{"id":"https://openalex.org/W4210750775","doi":"https://doi.org/10.1109/jiot.2022.3147068","title":"A Funnel Fukunaga\u2013Koontz Transform for Robust Indoor\u2013Outdoor Detection Using Channel-State Information in 5G IoT Context","display_name":"A Funnel Fukunaga\u2013Koontz Transform for Robust Indoor\u2013Outdoor Detection Using Channel-State Information in 5G IoT Context","publication_year":2022,"publication_date":"2022-01-29","ids":{"openalex":"https://openalex.org/W4210750775","doi":"https://doi.org/10.1109/jiot.2022.3147068"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2022.3147068","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3147068","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-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/A5003791218","display_name":"S\u00e9bastien Montella","orcid":"https://orcid.org/0000-0002-2605-7238"},"institutions":[{"id":"https://openalex.org/I19370010","display_name":"Orange (France)","ror":"https://ror.org/035j0tq82","country_code":"FR","type":"company","lineage":["https://openalex.org/I19370010"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Sebastien Montella","raw_affiliation_strings":["Radio Engineering and Propagation Department, Orange Labs, Belfort, France"],"raw_orcid":"https://orcid.org/0000-0002-2605-7238","affiliations":[{"raw_affiliation_string":"Radio Engineering and Propagation Department, Orange Labs, Belfort, France","institution_ids":["https://openalex.org/I19370010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033826275","display_name":"Brieuc Berruet","orcid":"https://orcid.org/0000-0002-3524-5708"},"institutions":[{"id":"https://openalex.org/I19370010","display_name":"Orange (France)","ror":"https://ror.org/035j0tq82","country_code":"FR","type":"company","lineage":["https://openalex.org/I19370010"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Brieuc Berruet","raw_affiliation_strings":["Radio Engineering and Propagation Department, Orange Labs, Belfort, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radio Engineering and Propagation Department, Orange Labs, Belfort, France","institution_ids":["https://openalex.org/I19370010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009060576","display_name":"Oumaya Baala","orcid":"https://orcid.org/0000-0002-7247-7874"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2802759292","display_name":"Franche-Comt\u00e9 \u00c9lectronique M\u00e9canique Thermique et Optique - Sciences et Technologies","ror":"https://ror.org/004fmxv66","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I2802759292","https://openalex.org/I37553959","https://openalex.org/I4210095849","https://openalex.org/I4405256580","https://openalex.org/I53262699"]},{"id":"https://openalex.org/I4210118524","display_name":"Universit\u00e9 Bourgogne Franche-Comt\u00e9","ror":"https://ror.org/02dn7x778","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210118524"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Oumaya Baala","raw_affiliation_strings":["FEMTO-ST Institute, Universit&#x00E9; Bourgogne Franche-Comt&#x00E9;, CNRS, Dijon, France"],"raw_orcid":"https://orcid.org/0000-0002-7247-7874","affiliations":[{"raw_affiliation_string":"FEMTO-ST Institute, Universit&#x00E9; Bourgogne Franche-Comt&#x00E9;, CNRS, Dijon, France","institution_ids":["https://openalex.org/I2802759292","https://openalex.org/I4210118524","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113273291","display_name":"Val\u00e9ry Guillet","orcid":null},"institutions":[{"id":"https://openalex.org/I19370010","display_name":"Orange (France)","ror":"https://ror.org/035j0tq82","country_code":"FR","type":"company","lineage":["https://openalex.org/I19370010"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Valery Guillet","raw_affiliation_strings":["Radio Engineering and Propagation Department, Orange Labs, Belfort, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radio Engineering and Propagation Department, Orange Labs, Belfort, France","institution_ids":["https://openalex.org/I19370010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059527798","display_name":"Alexandre Caminada","orcid":"https://orcid.org/0000-0002-4088-7406"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en sciences et technologies du num\u00e9rique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"government","lineage":["https://openalex.org/I1326498283"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Alexandre Caminada","raw_affiliation_strings":["COATI I3S, University C&#x00F4;te d&#x2019;Azur, INRIA, CNRS, Nice, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"COATI I3S, University C&#x00F4;te d&#x2019;Azur, INRIA, CNRS, Nice, France","institution_ids":["https://openalex.org/I1326498283","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083386781","display_name":"Fr\u00e9d\u00e9ric Lassabe","orcid":"https://orcid.org/0000-0001-5560-6120"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2802759292","display_name":"Franche-Comt\u00e9 \u00c9lectronique M\u00e9canique Thermique et Optique - Sciences et Technologies","ror":"https://ror.org/004fmxv66","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I2802759292","https://openalex.org/I37553959","https://openalex.org/I4210095849","https://openalex.org/I4405256580","https://openalex.org/I53262699"]},{"id":"https://openalex.org/I4210118524","display_name":"Universit\u00e9 Bourgogne Franche-Comt\u00e9","ror":"https://ror.org/02dn7x778","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210118524"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Frederic Lassabe","raw_affiliation_strings":["FEMTO-ST Institute, Universit&#x00E9; Bourgogne Franche-Comt&#x00E9;, CNRS, Dijon, France"],"raw_orcid":"https://orcid.org/0000-0001-5560-6120","affiliations":[{"raw_affiliation_string":"FEMTO-ST Institute, Universit&#x00E9; Bourgogne Franche-Comt&#x00E9;, CNRS, Dijon, France","institution_ids":["https://openalex.org/I2802759292","https://openalex.org/I4210118524","https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5003791218"],"corresponding_institution_ids":["https://openalex.org/I19370010"],"apc_list":null,"apc_paid":null,"fwci":0.8313,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.70143147,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"9","issue":"15","first_page":"14018","last_page":"14029"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9959999918937683,"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"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9959999918937683,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.859102725982666},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6390640735626221},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.5970419645309448},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5921024084091187},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.49440836906433105},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4784698188304901},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.44878530502319336},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.430753618478775},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.4189550578594208},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4128308892250061},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3670427203178406},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.35982030630111694},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.29574573040008545},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25778844952583313}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.859102725982666},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6390640735626221},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.5970419645309448},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5921024084091187},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.49440836906433105},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4784698188304901},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.44878530502319336},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.430753618478775},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.4189550578594208},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4128308892250061},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3670427203178406},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35982030630111694},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29574573040008545},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25778844952583313},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2022.3147068","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3147068","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8899999856948853,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1587559447","https://openalex.org/W1630897969","https://openalex.org/W1981920455","https://openalex.org/W2030328665","https://openalex.org/W2030818161","https://openalex.org/W2105281760","https://openalex.org/W2136776940","https://openalex.org/W2149803014","https://openalex.org/W2150796457","https://openalex.org/W2240192984","https://openalex.org/W2281716152","https://openalex.org/W2599936006","https://openalex.org/W2621761902","https://openalex.org/W2744655549","https://openalex.org/W2761903093","https://openalex.org/W2766892407","https://openalex.org/W2789238889","https://openalex.org/W2797346475","https://openalex.org/W2808827371","https://openalex.org/W2895853020","https://openalex.org/W2901531104","https://openalex.org/W2914555649","https://openalex.org/W2960864722","https://openalex.org/W2990899364","https://openalex.org/W3011596613","https://openalex.org/W3047207110","https://openalex.org/W3047695641","https://openalex.org/W6767852637"],"related_works":["https://openalex.org/W2883256816","https://openalex.org/W2171408034","https://openalex.org/W3003320923","https://openalex.org/W2106140982","https://openalex.org/W2152313554","https://openalex.org/W2064303750","https://openalex.org/W1509300825","https://openalex.org/W3092582874","https://openalex.org/W2054620577","https://openalex.org/W3048672182"],"abstract_inverted_index":{"The":[0,108],"massive":[1],"machine-type":[2,86],"communication":[3],"will":[4],"be":[5],"at":[6],"the":[7,19,35,50,73,88,116,151,163,167],"core":[8],"of":[9,21,52,70,136,142,162,169],"ambient":[10],"connectivity,":[11],"requiring":[12],"for":[13,54,85,120],"energy-efficient":[14],"systems.":[15],"Earlier":[16],"studies":[17],"highlighted":[18],"efficiency":[20],"positioning":[22,118],"approaches":[23],"based":[24],"on":[25,57,78,91,140],"channel-state":[26],"information":[27],"(CSI)":[28],"in":[29,42,72],"different":[30,111],"environments.":[31],"Many":[32],"works":[33],"limited":[34],"solution":[36],"assessment":[37],"to":[38,101],"a":[39,43,79,92,97,130,143],"single":[40,98],"room":[41],"fully":[44],"indoor":[45],"testbed.":[46],"This":[47],"article":[48],"extends":[49],"application":[51],"CSI":[53],"indoor\u2013outdoor":[55],"detection":[56],"an":[58,137],"unprecedented":[59],"large":[60],"area":[61],"and":[62,67,105,114,123,166],"considers":[63],"mMTC-oriented":[64],"long-term":[65,81],"evolution":[66,82],"fifth-generation":[68],"Internet":[69],"Things":[71],"sub-GHz":[74],"frequency":[75],"band.":[76],"Hinged":[77],"novel":[80],"protocol":[83],"dedicated":[84],"communications,":[87],"results":[89],"focus":[90],"unique":[93],"packet":[94],"exchange":[95],"with":[96],"access":[99],"point":[100],"save":[102],"battery":[103],"life":[104],"simplify":[106],"deployment.":[107],"study":[109],"evaluates":[110],"input":[112,164],"features":[113,165],"investigates":[115],"target":[117],"accuracy":[119],"multiple":[121],"unsupervised":[122,138],"supervised":[124,144],"dimensionality":[125],"reduction":[126,133,146,159],"methods.":[127],"We":[128],"present":[129],"new":[131],"dimension":[132,145,158],"scheme":[134],"consisting":[135],"funnel":[139],"top":[141],"approach.":[147],"Results":[148],"show":[149],"that":[150],"introduced":[152],"Funnel":[153],"Fukunaga\u2013Koontz":[154],"transform":[155],"outperforms":[156],"other":[157],"approaches,":[160],"regardless":[161],"number":[168],"locations.":[170]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
