{"id":"https://openalex.org/W2000208395","doi":"https://doi.org/10.1109/tvt.2014.2385814","title":"Compensating for Orientation Mismatch in Robust Wi-Fi Localization Using Histogram Equalization","display_name":"Compensating for Orientation Mismatch in Robust Wi-Fi Localization Using Histogram Equalization","publication_year":2014,"publication_date":"2014-12-24","ids":{"openalex":"https://openalex.org/W2000208395","doi":"https://doi.org/10.1109/tvt.2014.2385814","mag":"2000208395"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2014.2385814","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2014.2385814","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","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/A5038450527","display_name":"Shih\u2010Hau Fang","orcid":"https://orcid.org/0000-0003-1580-0257"},"institutions":[{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Shih-Hau Fang","raw_affiliation_strings":["Department of Electrical Engineering and Innovation Center for Big Data and Digital Convergence, Yuan Ze University, Taoyuan, Taiwan","Dept. of Electr. Eng., Yuan Ze Univ., Taoyuan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Innovation Center for Big Data and Digital Convergence, Yuan Ze University, Taoyuan, Taiwan","institution_ids":["https://openalex.org/I99908691"]},{"raw_affiliation_string":"Dept. of Electr. Eng., Yuan Ze Univ., Taoyuan, Taiwan","institution_ids":["https://openalex.org/I99908691"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037066780","display_name":"Chu-Hsuan Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chu-Hsuan Wang","raw_affiliation_strings":["Department of Electrical Engineering and Innovation Center for Big Data and Digital Convergence, Yuan Ze University, Taoyuan, Taiwan","Dept. of Electr. Eng., Yuan Ze Univ., Taoyuan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Innovation Center for Big Data and Digital Convergence, Yuan Ze University, Taoyuan, Taiwan","institution_ids":["https://openalex.org/I99908691"]},{"raw_affiliation_string":"Dept. of Electr. Eng., Yuan Ze Univ., Taoyuan, Taiwan","institution_ids":["https://openalex.org/I99908691"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044008055","display_name":"Yu Tsao","orcid":"https://orcid.org/0000-0001-6956-0418"},"institutions":[{"id":"https://openalex.org/I4210086894","display_name":"Research Center for Information Technology Innovation, Academia Sinica","ror":"https://ror.org/000zgvm20","country_code":"TW","type":"facility","lineage":["https://openalex.org/I4210086894","https://openalex.org/I84653119"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yu Tsao","raw_affiliation_strings":["Research Center for Information Technology Innovation, Academia Sinica, Taipei, Taiwan","Research Center for Information Technology Innovation, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Research Center for Information Technology Innovation, Academia Sinica, Taipei, Taiwan","institution_ids":["https://openalex.org/I4210086894"]},{"raw_affiliation_string":"Research Center for Information Technology Innovation, Taipei, Taiwan","institution_ids":["https://openalex.org/I4210086894"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5038450527"],"corresponding_institution_ids":["https://openalex.org/I99908691"],"apc_list":null,"apc_paid":null,"fwci":1.0467,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.79549085,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"64","issue":"11","first_page":"5210","last_page":"5220"},"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":0.9979000091552734,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9930999875068665,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.5456902980804443},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.5438261032104492},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4703044295310974},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.44684451818466187},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36770254373550415},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3354431390762329},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2272646427154541},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2222924530506134},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21986821293830872},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.11615118384361267}],"concepts":[{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5456902980804443},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.5438261032104492},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4703044295310974},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.44684451818466187},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36770254373550415},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3354431390762329},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2272646427154541},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2222924530506134},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21986821293830872},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.11615118384361267},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2014.2385814","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2014.2385814","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1408293684","display_name":null,"funder_award_id":"NSC101-2221-E-155-003","funder_id":"https://openalex.org/F4320321040","funder_display_name":"National Science Council"},{"id":"https://openalex.org/G5535722850","display_name":null,"funder_award_id":"NSC102-2221-E-155-006-MY3","funder_id":"https://openalex.org/F4320321040","funder_display_name":"National Science Council"}],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":63,"referenced_works":["https://openalex.org/W54525843","https://openalex.org/W1862952379","https://openalex.org/W1979182502","https://openalex.org/W1992475611","https://openalex.org/W1994961964","https://openalex.org/W1996370278","https://openalex.org/W1999604371","https://openalex.org/W2006713179","https://openalex.org/W2011502582","https://openalex.org/W2023133633","https://openalex.org/W2024837138","https://openalex.org/W2028721837","https://openalex.org/W2034186722","https://openalex.org/W2035136797","https://openalex.org/W2036927041","https://openalex.org/W2036998483","https://openalex.org/W2040862053","https://openalex.org/W2042696029","https://openalex.org/W2046648245","https://openalex.org/W2049526524","https://openalex.org/W2049708433","https://openalex.org/W2059373563","https://openalex.org/W2060141207","https://openalex.org/W2061867593","https://openalex.org/W2062276424","https://openalex.org/W2067437753","https://openalex.org/W2069284707","https://openalex.org/W2071893452","https://openalex.org/W2084600362","https://openalex.org/W2088663943","https://openalex.org/W2100989187","https://openalex.org/W2102987342","https://openalex.org/W2104157550","https://openalex.org/W2105243443","https://openalex.org/W2105872772","https://openalex.org/W2108482152","https://openalex.org/W2112571571","https://openalex.org/W2114254062","https://openalex.org/W2118099695","https://openalex.org/W2120234055","https://openalex.org/W2124139103","https://openalex.org/W2124433861","https://openalex.org/W2129168063","https://openalex.org/W2132872612","https://openalex.org/W2134041135","https://openalex.org/W2136716371","https://openalex.org/W2137342028","https://openalex.org/W2137816628","https://openalex.org/W2143243918","https://openalex.org/W2144041533","https://openalex.org/W2146661052","https://openalex.org/W2146981768","https://openalex.org/W2161875598","https://openalex.org/W2162164723","https://openalex.org/W2165232124","https://openalex.org/W2167142780","https://openalex.org/W2168726641","https://openalex.org/W2168816559","https://openalex.org/W2170102584","https://openalex.org/W2171000037","https://openalex.org/W4233072932","https://openalex.org/W6602200875","https://openalex.org/W6639132235"],"related_works":["https://openalex.org/W2107628111","https://openalex.org/W2394004323","https://openalex.org/W2398764543","https://openalex.org/W2027335291","https://openalex.org/W4210328553","https://openalex.org/W1980417906","https://openalex.org/W2007994675","https://openalex.org/W2071206959","https://openalex.org/W1892675750","https://openalex.org/W4362649942"],"abstract_inverted_index":{"The":[0,39,77,122],"performance":[1],"of":[2,67,74,79,90,118],"Wi-Fi":[3,37,113],"positioning":[4,137],"systems":[5],"degrades":[6],"severely":[7],"when":[8],"the":[9,44,55,61,65,72,80,88,116,119,126,130,140],"user":[10,91],"orientation":[11,33,131],"differs":[12],"between":[13],"locating":[14],"and":[15,96,134],"training":[16],"phases.":[17],"This":[18],"paper":[19],"proposes":[20],"a":[21,50,97,107],"novel":[22],"approach":[23],"based":[24],"on":[25,106],"histogram":[26],"equalization":[27],"(HEQ)":[28],"to":[29,103,139],"compensate":[30],"for":[31],"an":[32],"mismatch":[34,75],"in":[35,71,112],"robust":[36],"localization.":[38],"proposed":[40,62,81,120,127],"method":[41,133],"involves":[42],"converting":[43],"temporal-spatial":[45],"radio":[46],"signal":[47],"strength":[48],"into":[49],"reference":[51],"function":[52],"(i.e.,":[53],"equalizing":[54],"histogram).":[56],"By":[57],"using":[58],"equalized":[59],"signals,":[60],"algorithm":[63,82,128],"improves":[64],"robustness":[66],"location":[68],"estimation,":[69],"even":[70],"presence":[73],"orientation.":[76],"advantages":[78],"over":[83],"traditional":[84],"methods":[85],"are":[86],"that":[87,125],"assumption":[89],"behavior":[92],"is":[93],"not":[94,101],"required,":[95],"digital":[98],"compass":[99],"does":[100],"need":[102],"be":[104],"embedded":[105],"mobile":[108],"device.":[109],"Experiments":[110],"conducted":[111],"networks":[114],"demonstrated":[115],"effectiveness":[117],"algorithm.":[121],"results":[123],"show":[124],"outperforms":[129],"classifier":[132],"provides":[135],"comparable":[136],"accuracy":[138],"compass-assisted":[141],"approach.":[142]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}