{"id":"https://openalex.org/W4385800743","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200979","title":"Location-free Indoor Radio Map Estimation using Transfer learning","display_name":"Location-free Indoor Radio Map Estimation using Transfer learning","publication_year":2023,"publication_date":"2023-06-01","ids":{"openalex":"https://openalex.org/W4385800743","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200979"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2023-spring57618.2023.10200979","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200979","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/11250/3133533","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050008382","display_name":"Rahul Kumar Jaiswal","orcid":"https://orcid.org/0000-0003-3800-7235"},"institutions":[{"id":"https://openalex.org/I200650556","display_name":"University of Agder","ror":"https://ror.org/03x297z98","country_code":"NO","type":"education","lineage":["https://openalex.org/I200650556"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Rahul Jaiswal","raw_affiliation_strings":["University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","institution_ids":["https://openalex.org/I200650556"]},{"raw_affiliation_string":"Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway","institution_ids":["https://openalex.org/I200650556"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025168652","display_name":"Mohamed Elnourani","orcid":"https://orcid.org/0000-0001-7624-6136"},"institutions":[{"id":"https://openalex.org/I200650556","display_name":"University of Agder","ror":"https://ror.org/03x297z98","country_code":"NO","type":"education","lineage":["https://openalex.org/I200650556"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Mohamed Elnourani","raw_affiliation_strings":["University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","institution_ids":["https://openalex.org/I200650556"]},{"raw_affiliation_string":"Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway","institution_ids":["https://openalex.org/I200650556"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068760571","display_name":"Siddharth Deshmukh","orcid":"https://orcid.org/0000-0001-7013-2074"},"institutions":[{"id":"https://openalex.org/I16292982","display_name":"National Institute of Technology Rourkela","ror":"https://ror.org/011gmn932","country_code":"IN","type":"education","lineage":["https://openalex.org/I16292982"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Siddharth Deshmukh","raw_affiliation_strings":["NIT,Department of Electronics and Communication Engineering,Rourkela,Odisha,India","Department of Electronics and Communication Engineering, NIT, Rourkela, Odisha, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NIT,Department of Electronics and Communication Engineering,Rourkela,Odisha,India","institution_ids":["https://openalex.org/I16292982"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, NIT, Rourkela, Odisha, India","institution_ids":["https://openalex.org/I16292982"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047173758","display_name":"Baltasar Beferull\u2010Lozano","orcid":"https://orcid.org/0000-0002-0902-6245"},"institutions":[{"id":"https://openalex.org/I200650556","display_name":"University of Agder","ror":"https://ror.org/03x297z98","country_code":"NO","type":"education","lineage":["https://openalex.org/I200650556"]},{"id":"https://openalex.org/I4210153474","display_name":"Simula Metropolitan Center for Digital Engineering","ror":"https://ror.org/04xtarr15","country_code":"NO","type":"nonprofit","lineage":["https://openalex.org/I184531372","https://openalex.org/I2799829267","https://openalex.org/I4210153474"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Baltasar Beferull-Lozano","raw_affiliation_strings":["University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway","SIGIPRO Department, Simula Metropolitan Center for Digital Engineering, Oslo, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Agder,WISENET Centre,Department of ICT,Grimstad,Norway","institution_ids":["https://openalex.org/I200650556"]},{"raw_affiliation_string":"Department of ICT, WISENET Centre, University of Agder, Grimstad, Norway","institution_ids":["https://openalex.org/I200650556"]},{"raw_affiliation_string":"SIGIPRO Department, Simula Metropolitan Center for Digital Engineering, Oslo, Norway","institution_ids":["https://openalex.org/I4210153474"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.8678,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.96633446,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9972000122070312,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.7691969275474548},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6710572242736816},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6384789943695068},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5788564682006836},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5067718625068665},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.4935380220413208},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.4855215549468994},{"id":"https://openalex.org/keywords/time-of-arrival","display_name":"Time of arrival","score":0.4719209671020508},{"id":"https://openalex.org/keywords/radio-resource-management","display_name":"Radio resource management","score":0.4663132131099701},{"id":"https://openalex.org/keywords/radio-propagation-model","display_name":"Radio propagation model","score":0.41013598442077637},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2758488655090332},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25566279888153076}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7691969275474548},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6710572242736816},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6384789943695068},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5788564682006836},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5067718625068665},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.4935380220413208},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.4855215549468994},{"id":"https://openalex.org/C163150518","wikidata":"https://www.wikidata.org/wiki/Q4135208","display_name":"Time of arrival","level":3,"score":0.4719209671020508},{"id":"https://openalex.org/C182448111","wikidata":"https://www.wikidata.org/wiki/Q7281197","display_name":"Radio resource management","level":4,"score":0.4663132131099701},{"id":"https://openalex.org/C76843793","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation model","level":3,"score":0.41013598442077637},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2758488655090332},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25566279888153076},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vtc2023-spring57618.2023.10200979","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200979","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-article"},{"id":"pmh:oai:uia.brage.unit.no:11250/3133533","is_oa":true,"landing_page_url":"https://hdl.handle.net/11250/3133533","pdf_url":null,"source":{"id":"https://openalex.org/S4306401716","display_name":"Duo Research Archive (University of Oslo)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184942183","host_organization_name":"University of Oslo","host_organization_lineage":["https://openalex.org/I184942183"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"1-7","raw_type":"info:eu-repo/semantics/bookPart"}],"best_oa_location":{"id":"pmh:oai:uia.brage.unit.no:11250/3133533","is_oa":true,"landing_page_url":"https://hdl.handle.net/11250/3133533","pdf_url":null,"source":{"id":"https://openalex.org/S4306401716","display_name":"Duo Research Archive (University of Oslo)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184942183","host_organization_name":"University of Oslo","host_organization_lineage":["https://openalex.org/I184942183"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"1-7","raw_type":"info:eu-repo/semantics/bookPart"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1973207880","https://openalex.org/W2131092967","https://openalex.org/W2907414710","https://openalex.org/W2921319277","https://openalex.org/W2958079678","https://openalex.org/W2962688977","https://openalex.org/W2973209754","https://openalex.org/W3041133507","https://openalex.org/W3112912578","https://openalex.org/W3124789368","https://openalex.org/W3157685993","https://openalex.org/W3214536920","https://openalex.org/W4226020213","https://openalex.org/W4280598963","https://openalex.org/W4288388769","https://openalex.org/W6766662062"],"related_works":["https://openalex.org/W4399660128","https://openalex.org/W1984763551","https://openalex.org/W2081912951","https://openalex.org/W2386863870","https://openalex.org/W2012226585","https://openalex.org/W2375857191","https://openalex.org/W2398398527","https://openalex.org/W2383765745","https://openalex.org/W1640609104","https://openalex.org/W2372543947"],"abstract_inverted_index":{"Accurate":[0],"estimation":[1],"of":[2,10,32,54,59,83,109,116,228,232,264,266,278],"radio":[3,23,73,92,122,137,178,224,237],"maps":[4,93,225,238],"is":[5,39,100,164],"important":[6],"for":[7,71,90,120,176,222,235,272],"various":[8],"applications":[9],"wireless":[11,55,96,144,153,183,189,202],"communications,":[12],"such":[13],"as":[14,243],"network":[15,173],"planning,":[16],"and":[17,34,111,114,168],"resource":[18],"allocation.":[19],"To":[20,75,155],"learn":[21],"accurate":[22,30,43,256],"map":[24,138,179],"models,":[25],"one":[26],"needs":[27],"to":[28,41,66,130,185,245,254,261],"have":[29,255],"knowledge":[31],"transmitter":[33],"receiver":[35],"locations.":[36],"However,":[37],"it":[38,250],"difficult":[40,253],"obtain":[42],"locations":[44,108,115,126],"in":[45,48,133,141,150,199,218,226],"practice,":[46],"especially,":[47],"scenarios":[49,104],"having":[50],"a":[51,136,142,151,159,170,177,181,205,219,240,246,262,273],"high":[52],"degree":[53],"multi-path.":[56],"Alternatively,":[57],"time":[58],"arrival":[60],"(ToA)":[61],"features,":[62],"which":[63],"are":[64,118,127],"easier":[65],"obtain,":[67],"can":[68],"be":[69,147,252],"employed":[70,149],"estimating":[72,91,121,223,236],"maps.":[74],"this":[76,78,157],"end,":[77],"paper":[79],"investigates":[80],"the":[81,103,107,131,195,200,229,267],"application":[82],"transfer":[84,161],"learning":[85,162],"method":[86,163,193],"using":[87,204,213],"ToA":[88,214],"features":[89,216],"under":[94],"indoor":[95],"communications.":[97],"The":[98],"performance":[99,221],"compared":[101,244],"with":[102,239],"where":[105,249],"only":[106],"receivers":[110],"both":[112],"ToAs":[113],"receivers,":[117],"used":[119],"maps,":[123],"assuming":[124],"that":[125,166,212],"known.":[128],"Due":[129],"changes":[132],"propagation":[134],"characteristics,":[135],"model":[139,174],"learned":[140,175],"specific":[143],"environment":[145,184],"cannot":[146],"directly":[148],"new":[152,201],"environment.":[154],"address":[156],"issue,":[158],"data-driven":[160,206],"designed":[165],"transfers":[167],"fine-tunes":[169],"deep":[171],"neural":[172],"from":[180],"source":[182],"other":[186],"distinct":[187],"(target)":[188],"environments.":[190],"Our":[191,209],"proposed":[192],"predicts":[194],"training":[196],"data":[197,271],"required":[198],"environments":[203],"similarity":[207],"measure.":[208],"results":[210,217],"demonstrate":[211],"(location-free)":[215],"superior":[220],"terms":[227],"necessary":[230,268],"number":[231],"sensor":[233,269],"measurements":[234],"good":[241],"accuracy,":[242],"location-based":[247],"approach,":[248],"may":[251],"location":[257],"estimations.":[258],"It":[259],"leads":[260],"saving":[263],"70-90%":[265],"measurement":[270],"mean":[274],"square":[275],"error":[276],"(MSE)":[277],"0.004.":[279]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2023,"cited_by_count":5}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}