{"id":"https://openalex.org/W3199396846","doi":"https://doi.org/10.1109/icufn49451.2021.9528612","title":"Indoor Fingerprinting Localization Based on Fine-grained CSI using Principal Component Analysis","display_name":"Indoor Fingerprinting Localization Based on Fine-grained CSI using Principal Component Analysis","publication_year":2021,"publication_date":"2021-08-17","ids":{"openalex":"https://openalex.org/W3199396846","doi":"https://doi.org/10.1109/icufn49451.2021.9528612","mag":"3199396846"},"language":"en","primary_location":{"id":"doi:10.1109/icufn49451.2021.9528612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icufn49451.2021.9528612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Twelfth International Conference on Ubiquitous and Future Networks (ICUFN)","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/A5101639555","display_name":"Jingjing Wang","orcid":"https://orcid.org/0000-0002-7595-4007"},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jingjing Wang","raw_affiliation_strings":["Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea","institution_ids":["https://openalex.org/I31419693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108042324","display_name":"Xianqing Wang","orcid":"https://orcid.org/0009-0007-7772-791X"},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Xianqing Wang","raw_affiliation_strings":["Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea","institution_ids":["https://openalex.org/I31419693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065364624","display_name":"Jishen Peng","orcid":null},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jishen Peng","raw_affiliation_strings":["Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea","institution_ids":["https://openalex.org/I31419693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076628559","display_name":"Jun Hwang","orcid":null},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jun Gyu Hwang","raw_affiliation_strings":["Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea","institution_ids":["https://openalex.org/I31419693"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033240851","display_name":"Joon Goo Park","orcid":"https://orcid.org/0000-0002-3644-5920"},"institutions":[{"id":"https://openalex.org/I31419693","display_name":"Kyungpook National University","ror":"https://ror.org/040c17130","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joon Goo Park","raw_affiliation_strings":["Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering, Kyungpook National University, Daegu, Republic of Korea","institution_ids":["https://openalex.org/I31419693"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101639555"],"corresponding_institution_ids":["https://openalex.org/I31419693"],"apc_list":null,"apc_paid":null,"fwci":0.7019,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.69658961,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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":0.9987000226974487,"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":0.9954000115394592,"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":0.7863648533821106},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6741126775741577},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.588424026966095},{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.556719183921814},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5243906378746033},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.49904632568359375},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.47427138686180115},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.4385480284690857},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.410581111907959},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.36773934960365295},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35222530364990234},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3409680724143982},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.32633161544799805},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13900312781333923}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7863648533821106},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6741126775741577},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.588424026966095},{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.556719183921814},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5243906378746033},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.49904632568359375},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.47427138686180115},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.4385480284690857},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.410581111907959},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.36773934960365295},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35222530364990234},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3409680724143982},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.32633161544799805},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13900312781333923},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icufn49451.2021.9528612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icufn49451.2021.9528612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Twelfth International Conference on Ubiquitous and Future Networks (ICUFN)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2044846595","https://openalex.org/W2134262590","https://openalex.org/W2143228105","https://openalex.org/W2167831128","https://openalex.org/W2240192984","https://openalex.org/W2318059334","https://openalex.org/W2462826356","https://openalex.org/W2517871893","https://openalex.org/W2787610566","https://openalex.org/W3019109475","https://openalex.org/W3135606926","https://openalex.org/W6690274725","https://openalex.org/W6791925026"],"related_works":["https://openalex.org/W2352223047","https://openalex.org/W2385492535","https://openalex.org/W2887853412","https://openalex.org/W2040023786","https://openalex.org/W2911737287","https://openalex.org/W3045644480","https://openalex.org/W4379086734","https://openalex.org/W2161879254","https://openalex.org/W4385778946","https://openalex.org/W2793684801"],"abstract_inverted_index":{"With":[0],"the":[1,6,13,46,53,81,84,112,115,123,128,133,140,150,167,170,183],"development":[2],"of":[3,48,55,83,114,127,172],"Wi-Fi":[4],"technology,":[5],"IEEE":[7],"802.11n":[8],"series":[9],"communication":[10],"protocol":[11],"and":[12,22,63,125,131,154,182],"subsequent":[14],"wireless":[15],"LAN":[16],"protocols":[17],"use":[18],"multiple-input":[19],"multiple-output":[20],"(MIMO)":[21],"orthogonal":[23],"frequency":[24],"division":[25],"multiplexing":[26],"(OFDM)":[27],"technologies.":[28],"Channel":[29],"state":[30,40],"information":[31,41],"(CSI)":[32],"fingerprint":[33,94,152,157],"positioning":[34,134],"technology":[35],"based":[36,97],"on":[37,98,111,180],"fine-grained":[38,92],"channel":[39],"is":[42,57],"widely":[43],"used":[44],"in":[45,68,175],"field":[47],"WIFI":[49],"indoor":[50,61,178],"positioning.":[51],"However,":[52],"propagation":[54],"CSI":[56,73,93,156],"still":[58],"affected":[59],"by":[60],"multipath,":[62],"we":[64],"cannot":[65],"obtain":[66,186],"signals":[67],"some":[69],"corner":[70],"areas.":[71],"Therefore,":[72],"needs":[74],"a":[75,91,107,176],"suitable":[76],"calibration":[77],"method":[78,110,153,184],"to":[79,120],"improve":[80],"accuracy":[82,146],"position":[85],"estimation":[86],"system.":[87],"This":[88,103],"paper":[89],"proposes":[90],"location":[95,189],"algorithm":[96,105,168],"Principal":[99],"Component":[100],"Analysis":[101],"(PCA).":[102],"novel":[104],"uses":[106],"dimensionality":[108],"reduction":[109],"basis":[113],"Discrete":[116],"Wavelet":[117],"Transform":[118],"(DWT)":[119],"optimize,":[121],"eliminate":[122],"noise":[124],"redundancy":[126],"original":[129,155],"data":[130],"reduce":[132],"error.":[135],"Experimental":[136],"results":[137],"show":[138],"that":[139],"proposed":[141],"approach":[142],"achieves":[143],"significant":[144],"localization":[145],"improvement":[147],"over":[148],"using":[149],"RSSI":[151],"method,":[158],"while":[159],"it":[160],"incurs":[161],"much":[162],"less":[163],"computational":[164],"complexity.":[165],"Meanwhile,":[166],"improves":[169],"influence":[171],"multiple":[173],"paths":[174],"complex":[177],"environment":[179],"location,":[181],"can":[185],"more":[187],"accurate":[188],"results.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
