{"id":"https://openalex.org/W2295291748","doi":"https://doi.org/10.1109/ispacs.2015.7432818","title":"The accuracy improvement using WLAN for indoor positioning system","display_name":"The accuracy improvement using WLAN for indoor positioning system","publication_year":2015,"publication_date":"2015-11-01","ids":{"openalex":"https://openalex.org/W2295291748","doi":"https://doi.org/10.1109/ispacs.2015.7432818","mag":"2295291748"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs.2015.7432818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2015.7432818","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","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/A5103267393","display_name":"Ye Tian","orcid":"https://orcid.org/0000-0003-3016-1035"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ye Tian","raw_affiliation_strings":["Chiba Daigaku, Chiba, Chiba, JP"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chiba Daigaku, Chiba, Chiba, JP","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100773700","display_name":"Wenjian Wang","orcid":"https://orcid.org/0000-0001-6997-7723"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Wenjian Wang","raw_affiliation_strings":["Graduate School of Engineering, Chiba University, Inage, Chiba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Chiba University, Inage, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086888542","display_name":"Chang\u2010Jun Ahn","orcid":"https://orcid.org/0000-0002-5212-6727"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Chang-Jun Ahn","raw_affiliation_strings":["Graduate School of Engineering, Chiba University, Inage, Chiba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Chiba University, Inage, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110517172","display_name":"Tatsuya Omori","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tatsuya Omori","raw_affiliation_strings":["Graduate School of Engineering, Chiba University, Inage, Chiba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Chiba University, Inage, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087389043","display_name":"Ken-ya Hashimoto","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ken-ya Hashimoto","raw_affiliation_strings":["Graduate School of Engineering, Chiba University, Inage, Chiba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Chiba University, Inage, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I159385669"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"474","last_page":"478"},"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":0.9918000102043152,"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9911999702453613,"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":0.7849745750427246},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.7077013254165649},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.6670087575912476},{"id":"https://openalex.org/keywords/wi-fi","display_name":"Wi-Fi","score":0.6557944416999817},{"id":"https://openalex.org/keywords/received-signal-strength-indication","display_name":"Received signal strength indication","score":0.6077188849449158},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5703486204147339},{"id":"https://openalex.org/keywords/hybrid-positioning-system","display_name":"Hybrid positioning system","score":0.5591527819633484},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5345901846885681},{"id":"https://openalex.org/keywords/signal-strength","display_name":"Signal strength","score":0.5171248912811279},{"id":"https://openalex.org/keywords/positioning-system","display_name":"Positioning system","score":0.5005602836608887},{"id":"https://openalex.org/keywords/wireless-lan","display_name":"Wireless lan","score":0.4802287220954895},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.4649461805820465},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.4592224955558777},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4528348445892334},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4219246506690979},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.38644617795944214},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.29102277755737305},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2873661518096924},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.0940127968788147}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7849745750427246},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.7077013254165649},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.6670087575912476},{"id":"https://openalex.org/C508800617","wikidata":"https://www.wikidata.org/wiki/Q29643","display_name":"Wi-Fi","level":4,"score":0.6557944416999817},{"id":"https://openalex.org/C2778913798","wikidata":"https://www.wikidata.org/wiki/Q1195672","display_name":"Received signal strength indication","level":3,"score":0.6077188849449158},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5703486204147339},{"id":"https://openalex.org/C187394410","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Hybrid positioning system","level":4,"score":0.5591527819633484},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5345901846885681},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.5171248912811279},{"id":"https://openalex.org/C2778603505","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Positioning system","level":3,"score":0.5005602836608887},{"id":"https://openalex.org/C2985434377","wikidata":"https://www.wikidata.org/wiki/Q212607","display_name":"Wireless lan","level":3,"score":0.4802287220954895},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.4649461805820465},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.4592224955558777},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4528348445892334},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4219246506690979},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.38644617795944214},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29102277755737305},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2873661518096924},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0940127968788147},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ispacs.2015.7432818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2015.7432818","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","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":10,"referenced_works":["https://openalex.org/W2038166203","https://openalex.org/W2080830113","https://openalex.org/W2100989187","https://openalex.org/W2108424774","https://openalex.org/W2125172345","https://openalex.org/W2130556364","https://openalex.org/W2130945928","https://openalex.org/W2295291748","https://openalex.org/W4245313013","https://openalex.org/W6676006515"],"related_works":["https://openalex.org/W2114761623","https://openalex.org/W2151430090","https://openalex.org/W3200553284","https://openalex.org/W3014030819","https://openalex.org/W327075044","https://openalex.org/W4245668308","https://openalex.org/W1541136496","https://openalex.org/W3016405810","https://openalex.org/W2534066750","https://openalex.org/W2118099695"],"abstract_inverted_index":{"At":[0,123],"present,":[1],"the":[2,46,62,78,88,97,113,116,120,125,130,140],"theory":[3],"and":[4,39,93],"algorithm":[5],"of":[6,17,61,99,115],"wireless":[7],"indoor":[8,33],"positioning":[9,29,63,79],"systems":[10,19],"have":[11,20],"been":[12,21,50],"widely":[13],"researched.":[14],"Some":[15],"applications":[16],"these":[18],"successfully":[22],"used":[23],"such":[24],"as":[25,52],"inventory":[26],"management.":[27],"Nevertheless,":[28],"using":[30,96],"radio":[31],"signals":[32],"is":[34],"subject":[35],"to":[36,44,86,111],"multipath":[37],"propagation":[38],"other":[40],"causes.":[41],"Therefore,":[42],"how":[43],"determine":[45],"location":[47],"accurately":[48],"has":[49,133],"recognized":[51],"a":[53,71,83,134],"difficult":[54],"task.":[55],"This":[56],"paper":[57],"focuses":[58],"on":[59,119],"one":[60],"methods":[64],"called":[65],"received":[66],"signal":[67,101],"strength":[68,102],"indication(RSSI)":[69],"in":[70,103],"Wireless":[72],"Local":[73],"Area":[74],"Network(WLAN).":[75],"To":[76],"improve":[77],"accuracy,":[80],"we":[81],"proposed":[82,131],"scheme":[84,110],"which":[85],"estimate":[87,112],"distance":[89],"between":[90],"access":[91],"point(AP)":[92],"mobile":[94],"station(MS)":[95],"average":[98],"pilot":[100],"frequency":[104],"domain.":[105],"We":[106],"then":[107],"propose":[108],"another":[109],"position":[114],"MS":[117],"based":[118],"estimated":[121],"distances.":[122],"last,":[124],"simulations":[126],"results":[127],"show":[128],"that":[129],"schemes":[132],"higher":[135],"degree":[136],"accuracy":[137],"compared":[138],"with":[139],"conventional":[141],"methods.":[142]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}