{"id":"https://openalex.org/W4416749685","doi":"https://doi.org/10.1109/jiot.2025.3637905","title":"Wall-Proximity Matters: Understanding the Effect of Device Placement With Respect to the Wall for Indoor Wi-Fi Sensing","display_name":"Wall-Proximity Matters: Understanding the Effect of Device Placement With Respect to the Wall for Indoor Wi-Fi Sensing","publication_year":2025,"publication_date":"2025-11-27","ids":{"openalex":"https://openalex.org/W4416749685","doi":"https://doi.org/10.1109/jiot.2025.3637905"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3637905","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3637905","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/A5100535263","display_name":"He Wang","orcid":"https://orcid.org/0000-0001-5475-6688"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"He Wang","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059491646","display_name":"Yunpeng Ge","orcid":"https://orcid.org/0009-0004-9164-0405"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yunpeng Ge","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018293126","display_name":"Ivan Wang\u2010Hei Ho","orcid":"https://orcid.org/0000-0003-0043-2025"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ivan Wang-Hei Ho","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100535263"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.39480419,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"4","first_page":"7016","last_page":"7029"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9136999845504761,"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":0.9136999845504761,"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":0.018799999728798866,"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"}},{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.007699999958276749,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/software-deployment","display_name":"Software deployment","score":0.7307999730110168},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5730000138282776},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5072000026702881},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.475600004196167},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.4462999999523163},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.429500013589859}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8014000058174133},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.7307999730110168},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5730000138282776},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5072000026702881},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.47049999237060547},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.4462999999523163},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.429500013589859},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.39969998598098755},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.37540000677108765},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.301800012588501},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.271699994802475},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2703999876976013},{"id":"https://openalex.org/C87133666","wikidata":"https://www.wikidata.org/wiki/Q1161699","display_name":"Dynamic range","level":2,"score":0.2687999904155731},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.2680000066757202},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2628999948501587}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jiot.2025.3637905","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3637905","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"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/116211","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/116211","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal/Magazine Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Wi-Fi":[0,166],"sensing":[1,30,37,57,80,100,129,173],"has":[2],"been":[3],"extensively":[4],"explored":[5],"for":[6,73,93,104,161],"various":[7,176],"applications,":[8,147],"including":[9],"vital":[10],"sign":[11],"monitoring,":[12],"human":[13],"activity":[14],"recognition,":[15],"indoor":[16,60,105],"localization,":[17],"and":[18,32,88,115,143,171],"tracking.":[19],"However,":[20],"practical":[21],"implementation":[22],"in":[23,59,117,140,153,165],"real-world":[24],"scenarios":[25],"is":[26],"hindered":[27],"by":[28],"unstable":[29],"performance":[31,134],"limited":[33],"knowledge":[34],"of":[35,53,76,135],"wireless":[36],"coverage.":[38,81,130],"While":[39],"previous":[40],"works":[41],"have":[42,49],"aimed":[43],"to":[44,119],"address":[45],"these":[46],"challenges,":[47],"they":[48],"overlooked":[50],"the":[51,74,85,89,113,120,133,159],"impact":[52],"walls":[54],"on":[55,79],"dynamic":[56,94],"capabilities":[58],"environments.":[61,106],"To":[62],"fill":[63],"this":[64],"gap,":[65],"we":[66,96],"present":[67],"a":[68,98,123,149],"theoretical":[69],"model":[70,102,108,137],"that":[71,110],"accounts":[72],"effect":[75],"wall-device":[77],"distance":[78],"By":[82],"incorporating":[83],"both":[84],"wall-reflected":[86],"path":[87,92],"line-of-sight":[90],"(LoS)":[91],"signals,":[95],"develop":[97],"comprehensive":[99],"coverage":[101],"tailored":[103],"This":[107],"demonstrates":[109],"strategically":[111],"deploying":[112],"transmitter":[114],"receiver":[116],"proximity":[118],"wall":[121],"within":[122],"specific":[124],"range":[125],"can":[126],"significantly":[127],"expand":[128],"We":[131],"assess":[132],"our":[136],"through":[138],"experiments":[139],"respiratory":[141],"monitoring":[142],"stationary":[144],"crowd":[145],"counting":[146,154],"showcasing":[148],"notable":[150],"11.2%":[151],"improvement":[152],"accuracy.":[155],"These":[156],"findings":[157],"pave":[158],"way":[160],"optimized":[162],"deployment":[163],"strategies":[164],"sensing,":[167],"facilitating":[168],"more":[169],"effective":[170],"accurate":[172],"solutions":[174],"across":[175],"applications.":[177]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-11-28T00:00:00"}
