{"id":"https://openalex.org/W2110809790","doi":"https://doi.org/10.1109/iswc.2007.4373795","title":"Improving Accuracy of WLAN-Based Location Estimation by Recursive Estimation","display_name":"Improving Accuracy of WLAN-Based Location Estimation by Recursive Estimation","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2110809790","doi":"https://doi.org/10.1109/iswc.2007.4373795","mag":"2110809790"},"language":"en","primary_location":{"id":"doi:10.1109/iswc.2007.4373795","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswc.2007.4373795","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 11th IEEE International Symposium on Wearable Computers","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/A5091025405","display_name":"T. Mase","orcid":"https://orcid.org/0009-0003-6071-550X"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takahiko Mase","raw_affiliation_strings":["Graduate School of Information Science, University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science, University of Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048508816","display_name":"Yasushi Hirano","orcid":"https://orcid.org/0000-0001-9707-4222"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yasushi Hirano","raw_affiliation_strings":["Information Technology Center, University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"Information Technology Center, University of Nagoya, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101144087","display_name":"Shoji Kajita","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shoji Kajita","raw_affiliation_strings":["Information Technology Center, University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"Information Technology Center, University of Nagoya, Japan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111458376","display_name":"Kenji Mase","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kenji Mase","raw_affiliation_strings":["Information Technology Center, University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"Information Technology Center, University of Nagoya, Japan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5091025405"],"corresponding_institution_ids":["https://openalex.org/I60134161"],"apc_list":null,"apc_paid":null,"fwci":0.3512,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.66185269,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3968","issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9976999759674072,"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.993399977684021,"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/estimation","display_name":"Estimation","score":0.8157771825790405},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7416974306106567},{"id":"https://openalex.org/keywords/density-estimation","display_name":"Density estimation","score":0.6015464663505554},{"id":"https://openalex.org/keywords/wireless-lan","display_name":"Wireless lan","score":0.41720864176750183},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3292645215988159},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2449105679988861},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20335090160369873},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.19537150859832764},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.122142493724823},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07294821739196777}],"concepts":[{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.8157771825790405},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7416974306106567},{"id":"https://openalex.org/C189508267","wikidata":"https://www.wikidata.org/wiki/Q17088227","display_name":"Density estimation","level":3,"score":0.6015464663505554},{"id":"https://openalex.org/C2985434377","wikidata":"https://www.wikidata.org/wiki/Q212607","display_name":"Wireless lan","level":3,"score":0.41720864176750183},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3292645215988159},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2449105679988861},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20335090160369873},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.19537150859832764},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.122142493724823},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07294821739196777},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswc.2007.4373795","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswc.2007.4373795","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 11th IEEE International Symposium on Wearable Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1511852053","https://openalex.org/W1785358601","https://openalex.org/W1963523588","https://openalex.org/W2071823350","https://openalex.org/W2121868539","https://openalex.org/W4285719527","https://openalex.org/W6630680291","https://openalex.org/W6638284884","https://openalex.org/W6678336268"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655","https://openalex.org/W2917961983"],"abstract_inverted_index":{"We":[0,60],"propose":[1,61],"a":[2,14,21,82],"method":[3,16],"to":[4,68,78],"improve":[5],"the":[6,18,36,69],"accuracy":[7,75],"of":[8,20,24,38],"WLAN-based":[9],"location":[10],"estimation,":[11],"which":[12],"is":[13],"convenient":[15],"after":[17],"preparation":[19],"dense":[22],"map":[23],"access":[25],"points":[26],"(APs)":[27],"by":[28],"such":[29],"AP":[30],"hunting":[31],"methods":[32],"as":[33],"war-driving/walking.":[34],"However,":[35],"density":[37,45,84],"APs":[39,53],"cannot":[40],"always":[41],"be":[42],"high.":[43],"Rather,":[44],"remains":[46],"so":[47],"low":[48,83],"that":[49],"less":[50],"than":[51],"three":[52],"are":[54],"found":[55],"even":[56],"in":[57,81],"urban":[58],"areas.":[59],"recursive":[62],"estimation":[63,74],"methods,":[64],"experimentally":[65],"compare":[66],"them":[67],"existing":[70],"method,":[71],"and":[72],"improved":[73],"from":[76],"41.6":[77],"31.1":[79],"meters":[80],"area":[85],"best":[86],"case.":[87]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}