{"id":"https://openalex.org/W4408345793","doi":"https://doi.org/10.1109/icassp49660.2025.10889778","title":"Codar: Complex-valued Neural Network for Crossing-Floor Intrusion Detection via WiFi","display_name":"Codar: Complex-valued Neural Network for Crossing-Floor Intrusion Detection via WiFi","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408345793","doi":"https://doi.org/10.1109/icassp49660.2025.10889778"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10889778","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889778","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5068416218","display_name":"Weiting Ou","orcid":"https://orcid.org/0009-0001-8905-603X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiting Ou","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100610065","display_name":"Yipeng Liu","orcid":"https://orcid.org/0000-0003-2084-8781"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yipeng Liu","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109397923","display_name":"Zhijie Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhijie Sun","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100451251","display_name":"Bing Li","orcid":"https://orcid.org/0000-0002-1875-2919"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bing Li","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100350631","display_name":"Le Zhang","orcid":"https://orcid.org/0000-0002-6930-8674"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Le Zhang","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034427070","display_name":"Ce Zhu","orcid":"https://orcid.org/0000-0001-7607-707X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ce Zhu","raw_affiliation_strings":["University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China (UESTC),School of Information and Communication Engineering,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":13.8817,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.9873713,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9944999814033508,"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":0.9944999814033508,"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":0.9861999750137329,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9830999970436096,"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":0.6869246959686279},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5031084418296814},{"id":"https://openalex.org/keywords/intrusion-detection-system","display_name":"Intrusion detection system","score":0.4538886845111847},{"id":"https://openalex.org/keywords/intrusion","display_name":"Intrusion","score":0.4466608762741089},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4277699589729309},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27299046516418457},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.24054351449012756}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6869246959686279},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5031084418296814},{"id":"https://openalex.org/C35525427","wikidata":"https://www.wikidata.org/wiki/Q745881","display_name":"Intrusion detection system","level":2,"score":0.4538886845111847},{"id":"https://openalex.org/C158251709","wikidata":"https://www.wikidata.org/wiki/Q354025","display_name":"Intrusion","level":2,"score":0.4466608762741089},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4277699589729309},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27299046516418457},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.24054351449012756},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10889778","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889778","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W2089695767","https://openalex.org/W2129088323","https://openalex.org/W2143228105","https://openalex.org/W2164692160","https://openalex.org/W2345276999","https://openalex.org/W2566013666","https://openalex.org/W2587061937","https://openalex.org/W2591820339","https://openalex.org/W2904501729","https://openalex.org/W2911532254","https://openalex.org/W2952065976","https://openalex.org/W3006581712","https://openalex.org/W3007187946","https://openalex.org/W3172194808","https://openalex.org/W3175686475","https://openalex.org/W3196221233","https://openalex.org/W3203019240","https://openalex.org/W4224918263","https://openalex.org/W4281730790","https://openalex.org/W4281896190","https://openalex.org/W4289654500","https://openalex.org/W4296117254","https://openalex.org/W4322627157","https://openalex.org/W4361030002","https://openalex.org/W4362683579","https://openalex.org/W4366966561","https://openalex.org/W4376481282","https://openalex.org/W4378982855","https://openalex.org/W4380301268","https://openalex.org/W4385780761","https://openalex.org/W4385804775","https://openalex.org/W4387359831","https://openalex.org/W4390488663","https://openalex.org/W4391407209","https://openalex.org/W4392903079","https://openalex.org/W4392903415","https://openalex.org/W4392903680","https://openalex.org/W4392904762","https://openalex.org/W6738884980"],"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/W2133389611"],"abstract_inverted_index":{"WiFi":[0],"systems":[1],"offer":[2],"enormous":[3],"potential":[4],"for":[5,122],"device-free":[6],"human":[7],"intrusion":[8,40,123],"detection.":[9],"Current":[10],"methods":[11],"often":[12],"require":[13,65],"routers":[14],"to":[15,57],"be":[16],"deployed":[17],"in":[18,42,97],"multiple":[19],"adjacent":[20],"rooms":[21],"on":[22,39,49],"the":[23,36,43,58,72],"same":[24],"floor,":[25],"which":[26],"is":[27],"redundant":[28],"and":[29,70,103,119,127,136],"costly.":[30],"To":[31],"solve":[32],"this,":[33],"we":[34,78],"introduce":[35],"first":[37],"work":[38],"detection":[41],"crossing-floor":[44],"scenario":[45],"via":[46],"WiFi.":[47],"Routers":[48],"different":[50],"floors":[51],"are":[52,106,138],"utilized":[53],"without":[54],"major":[55],"modifications":[56],"existing":[59],"router":[60],"layout.":[61],"Many":[62],"previous":[63],"works":[64],"a":[66,81,93],"high":[67],"sample":[68,95],"rate":[69,96],"ignore":[71],"phase":[73,104],"information.":[74],"In":[75],"this":[76],"paper,":[77],"propose":[79],"Codar,":[80],"complex-valued":[82,110],"LSTM-CNN":[83],"neural":[84],"network.":[85],"The":[86,134],"LSTM":[87],"effectively":[88],"captures":[89],"temporal":[90],"dependencies":[91],"at":[92,140],"low":[94],"harsh":[98],"propagation":[99],"environments.":[100],"Moreover,":[101],"amplitude":[102],"features":[105],"explored":[107],"jointly":[108],"by":[109],"operations.":[111],"Experimental":[112],"results":[113],"demonstrate":[114],"Codar":[115],"achieves":[116],"95%,":[117],"94.5%,":[118],"99%":[120],"accuracy":[121],"detection,":[124],"user":[125],"identification,":[126,130],"intruded":[128],"floor":[129],"surpassing":[131],"competitive":[132],"methods.":[133],"code":[135],"dataset":[137],"available":[139],"https://github.com/ouweiting/Codar.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
