{"id":"https://openalex.org/W2999977980","doi":"https://doi.org/10.1109/apccas47518.2019.8953132","title":"GNSS Precise Positioning Determinations Using Smartphones","display_name":"GNSS Precise Positioning Determinations Using Smartphones","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W2999977980","doi":"https://doi.org/10.1109/apccas47518.2019.8953132","mag":"2999977980"},"language":"en","primary_location":{"id":"doi:10.1109/apccas47518.2019.8953132","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas47518.2019.8953132","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","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/A5062911734","display_name":"Chaowalit Netthonglang","orcid":null},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":true,"raw_author_name":"Chaowalit Netthonglang","raw_affiliation_strings":["Department of Survey Engineering, Chulalongkorn Univeristy, Bangkok, Thailand"],"affiliations":[{"raw_affiliation_string":"Department of Survey Engineering, Chulalongkorn Univeristy, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061583252","display_name":"Thayathip Thongtan","orcid":"https://orcid.org/0000-0002-3963-8357"},"institutions":[{"id":"https://openalex.org/I4387152776","display_name":"National Institute of Metrology (Thailand)","ror":"https://ror.org/01357ty92","country_code":null,"type":"government","lineage":["https://openalex.org/I4387152776"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Thayathip Thongtan","raw_affiliation_strings":["Electrical Metrology Department, National Institute of Metrology (Thailand), Pathumthani, Thailand"],"affiliations":[{"raw_affiliation_string":"Electrical Metrology Department, National Institute of Metrology (Thailand), Pathumthani, Thailand","institution_ids":["https://openalex.org/I4387152776"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070800026","display_name":"Chalermchon Satirapod","orcid":"https://orcid.org/0000-0003-2932-0334"},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Chalermchon Satirapod","raw_affiliation_strings":["Department of Survey Engineering, Chulalongkorn Univeristy, Bangkok, Thailand"],"affiliations":[{"raw_affiliation_string":"Department of Survey Engineering, Chulalongkorn Univeristy, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5062911734"],"corresponding_institution_ids":["https://openalex.org/I158708052"],"apc_list":null,"apc_paid":null,"fwci":5.5539,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.954963,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"401","last_page":"404"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10655","display_name":"GNSS positioning and interference","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9879999756813049,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.982699990272522,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.944197416305542},{"id":"https://openalex.org/keywords/pseudorange","display_name":"Pseudorange","score":0.7059922814369202},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.6176932454109192},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6068680286407471},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5546914339065552},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.41560375690460205},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.3356025815010071},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33395424485206604},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2827606201171875},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2133166491985321}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.944197416305542},{"id":"https://openalex.org/C174201072","wikidata":"https://www.wikidata.org/wiki/Q1187347","display_name":"Pseudorange","level":4,"score":0.7059922814369202},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.6176932454109192},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6068680286407471},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5546914339065552},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.41560375690460205},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3356025815010071},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33395424485206604},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2827606201171875},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2133166491985321}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas47518.2019.8953132","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas47518.2019.8953132","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W3094574552","https://openalex.org/W6604551635"],"related_works":["https://openalex.org/W3216386610","https://openalex.org/W2796739365","https://openalex.org/W4239395258","https://openalex.org/W2602888279","https://openalex.org/W3204981892","https://openalex.org/W4380563814","https://openalex.org/W3130617165","https://openalex.org/W2904557485","https://openalex.org/W3084744931","https://openalex.org/W3198415914"],"abstract_inverted_index":{"Global":[0],"Navigation":[1],"Satellite":[2],"System":[3],"(GNSS)":[4],"raw":[5],"measurements":[6],"are":[7,86,123,180,219],"available":[8],"on":[9,149],"Smartphone":[10,198],"running":[11],"Android":[12],"7":[13],"since":[14],"May":[15],"2016.":[16],"This":[17,57],"allows":[18],"developers":[19],"to":[20,60,202],"access":[21],"GNSS":[22,43,64,90,128,143,208],"carrier":[23],"phase":[24,46,66,145,210,217],"and":[25,68,76,162,178,214],"pseudorange":[26],"measurements;":[27],"therefore,":[28],"precise":[29,204],"positioning":[30,72,118,121],"could":[31,193],"be":[32,194],"determined.":[33],"Some":[34],"limitation":[35],"is":[36,51,74,110,138,147,189,200,212],"that":[37,140,196],"the":[38,41,49,84,96,141,150,154,160,166,187,207,215],"location":[39],"of":[40,106,153,184],"embedded":[42],"antenna":[44,65,144,209],"(and":[45],"centre)":[47],"within":[48,181],"Smartphones":[50],"not":[52],"disclosed":[53],"by":[54,88],"any":[55],"manufacturers.":[56],"paper":[58],"aims":[59],"determine":[61,203],"Xiaomi":[62],"Mi8's":[63],"centre":[67,146,161,211],"its":[69],"performances.":[70],"The":[71,169],"accuracy":[73,185],"computed":[75],"later":[77],"compared":[78],"with":[79,103],"a":[80,89,126,197],"controlled":[81],"position":[82],"where":[83,95],"observations":[85],"obtained":[87],"survey":[91],"receiver;":[92],"Trimble":[93],"R10":[94],"nearest":[97],"Continuously":[98],"Operating":[99],"Reference":[100],"Station":[101],"(CORS)":[102],"baseline":[104],"length":[105],"approximately":[107,156],"5.3":[108],"km":[109],"used":[111],"as":[112],"reference":[113],"base":[114],"stations":[115],"in":[116,175],"relative":[117],"computations.":[119],"Their":[120],"results":[122],"achieved":[124],"from":[125,159,165],"commercial":[127],"processing":[129],"software;":[130],"CHC":[131],"Geomatics":[132],"Office":[133],"(CGO)":[134],"version":[135],"1.0.6.":[136],"It":[137,192],"found":[139],"Mi8":[142,199],"located":[148],"top":[151,167],"left":[152],"Smartphone;":[155],"2.8":[157],"cm":[158,164],"0.9":[163],"edge.":[168],"Root":[170],"Mean":[171],"Square":[172],"Error":[173],"(RMSE)":[174],"Northings,":[176],"Eastings":[177],"elevations":[179],"centimetre":[182],"level":[183],"when":[186,206],"screen":[188],"facing":[190],"upwards.":[191],"concluded":[195],"capable":[201],"positions":[205],"known":[213],"integer":[216],"ambiguities":[218],"correctly":[220],"resolved.":[221]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2}],"updated_date":"2026-02-23T06:19:19.047976","created_date":"2025-10-10T00:00:00"}
