{"id":"https://openalex.org/W2561119278","doi":"https://doi.org/10.3390/s16122201","title":"Smart Device-Supported BDS/GNSS Real-Time Kinematic Positioning for Sub-Meter-Level Accuracy in Urban Location-Based Services","display_name":"Smart Device-Supported BDS/GNSS Real-Time Kinematic Positioning for Sub-Meter-Level Accuracy in Urban Location-Based Services","publication_year":2016,"publication_date":"2016-12-21","ids":{"openalex":"https://openalex.org/W2561119278","doi":"https://doi.org/10.3390/s16122201","mag":"2561119278","pmid":"https://pubmed.ncbi.nlm.nih.gov/28009835","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/5191179"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/s16122201","pdf_url":"https://www.mdpi.com/1424-8220/16/12/2201/pdf?version=1482312349","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},"type":"article","type_crossref":"journal-article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/16/12/2201/pdf?version=1482312349","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046331898","display_name":"Liang Wang","orcid":"https://orcid.org/0000-0001-6732-8199"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liang Wang","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004619366","display_name":"Zishen Li","orcid":"https://orcid.org/0000-0002-3911-3059"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210141849","display_name":"National Administration of Surveying, Mapping and Geoinformation of China","ror":"https://ror.org/04z3map19","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210141849"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zishen Li","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","Key Laboratory for Urban Geomatics of National Administration of Surveying, Mapping and Geoinformation, Beijing 100044, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory for Urban Geomatics of National Administration of Surveying, Mapping and Geoinformation, Beijing 100044, China","institution_ids":["https://openalex.org/I4210141849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072790694","display_name":"Jiaojiao Zhao","orcid":"https://orcid.org/0000-0002-4448-7602"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaojiao Zhao","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102769307","display_name":"Kai Zhou","orcid":"https://orcid.org/0000-0001-8271-2105"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Zhou","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100357187","display_name":"Zhiyu Wang","orcid":"https://orcid.org/0000-0002-3380-7279"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyu Wang","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100725146","display_name":"Hong Yuan","orcid":"https://orcid.org/0000-0002-3807-8132"},"institutions":[{"id":"https://openalex.org/I4210151155","display_name":"Academy of Opto-Electronics","ror":"https://ror.org/04acsr153","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210151155"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Yuan","raw_affiliation_strings":["Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5046331898","https://openalex.org/A5004619366"],"corresponding_institution_ids":["https://openalex.org/I4210151155","https://openalex.org/I19820366","https://openalex.org/I4210165038","https://openalex.org/I4210151155","https://openalex.org/I19820366","https://openalex.org/I4210141849"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598,"provenance":"doaj"},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598,"provenance":"doaj"},"fwci":3.949,"has_fulltext":true,"fulltext_origin":"pdf","cited_by_count":43,"citation_normalized_percentile":{"value":0.878632,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"16","issue":"12","first_page":"2201","last_page":"2201"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":1.0,"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":1.0,"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":0.9955,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9954,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/real-time-kinematic","display_name":"Real Time Kinematic","score":0.8119155},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.6375376},{"id":"https://openalex.org/keywords/ambiguity-resolution","display_name":"Ambiguity Resolution","score":0.54052454},{"id":"https://openalex.org/keywords/glonass","display_name":"GLONASS","score":0.46493882}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.9081761},{"id":"https://openalex.org/C93103318","wikidata":"https://www.wikidata.org/wiki/Q980965","display_name":"Real Time Kinematic","level":4,"score":0.8119155},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.6985279},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.6375376},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6202183},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.593598},{"id":"https://openalex.org/C2777559092","wikidata":"https://www.wikidata.org/wiki/Q4741445","display_name":"Ambiguity resolution","level":4,"score":0.54052454},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5370983},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.502615},{"id":"https://openalex.org/C557433098","wikidata":"https://www.wikidata.org/wiki/Q94","display_name":"Android (operating system)","level":2,"score":0.4924887},{"id":"https://openalex.org/C58754882","wikidata":"https://www.wikidata.org/wiki/Q1502887","display_name":"Geodetic datum","level":2,"score":0.47216815},{"id":"https://openalex.org/C102451475","wikidata":"https://www.wikidata.org/wiki/Q486250","display_name":"GLONASS","level":4,"score":0.46493882},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.35808778},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.33055347},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.31140867},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1800136},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1440362},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","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}],"mesh":[],"locations_count":5,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/s16122201","pdf_url":"https://www.mdpi.com/1424-8220/16/12/2201/pdf?version=1482312349","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},{"is_oa":false,"landing_page_url":"https://doaj.org/article/876540f06d124caa9e4a6da828d88a00","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"https://europepmc.org/articles/pmc5191179","pdf_url":"https://europepmc.org/articles/pmc5191179?pdf=render","source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":["European Bioinformatics Institute"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},{"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5191179","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":["National Institutes of Health"],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},{"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28009835","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":["National Institutes of Health"],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.3390/s16122201","pdf_url":"https://www.mdpi.com/1424-8220/16/12/2201/pdf?version=1482312349","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[{"score":0.81,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":32,"referenced_works":["https://openalex.org/W1543240282","https://openalex.org/W1602483914","https://openalex.org/W1922136352","https://openalex.org/W1970106276","https://openalex.org/W1988789410","https://openalex.org/W1995684967","https://openalex.org/W2024151279","https://openalex.org/W2026221531","https://openalex.org/W2030492481","https://openalex.org/W2034135516","https://openalex.org/W2035562850","https://openalex.org/W2062666362","https://openalex.org/W2066760349","https://openalex.org/W2068657587","https://openalex.org/W2082415608","https://openalex.org/W2085683195","https://openalex.org/W2091247042","https://openalex.org/W2095093213","https://openalex.org/W2102957353","https://openalex.org/W2138941374","https://openalex.org/W2265774878","https://openalex.org/W2327278209","https://openalex.org/W2345155873","https://openalex.org/W2410504709","https://openalex.org/W2463029207","https://openalex.org/W2464413712","https://openalex.org/W2488927394","https://openalex.org/W2595942261","https://openalex.org/W2598986515","https://openalex.org/W3149286772","https://openalex.org/W4240109574","https://openalex.org/W90950442"],"related_works":["https://openalex.org/W4232125131","https://openalex.org/W4200549950","https://openalex.org/W2789714114","https://openalex.org/W2463819730","https://openalex.org/W2392133152","https://openalex.org/W2373524029","https://openalex.org/W2356439301","https://openalex.org/W2320535244","https://openalex.org/W2286872658","https://openalex.org/W1980487656"],"abstract_inverted_index":{"Using":[0],"mobile":[1],"smart":[2,67,86],"devices":[3,68],"to":[4,55,69],"provide":[5],"urban":[6,146],"location-based":[7],"services":[8],"(LBS)":[9],"with":[10,72,148],"sub-meter-level":[11,73],"accuracy":[12,44],"(around":[13],"0.5":[14],"m)":[15],"is":[16,34,88],"a":[17,35,75,94,130,144,149],"major":[18],"application":[19],"field":[20],"for":[21,170,202,214],"future":[22],"global":[23],"navigation":[24],"satellite":[25],"system":[26],"(GNSS)":[27],"development.":[28],"Real-time":[29],"kinematic":[30,133,178,216],"(RTK)":[31],"positioning,":[32],"which":[33],"widely":[36],"used":[37],"GNSS-based":[38],"positioning":[39,53,71,98,111,125,189],"approach,":[40],"can":[41],"improve":[42],"the":[43,51,61,66,80,85,106,127,137,158,175,187,203,215],"from":[45,102],"about":[46,56,181],"10\u201320":[47],"m":[48,196,200,208,212],"(achieved":[49],"by":[50,115],"standard":[52],"services)":[54],"3\u20135":[57],"cm":[58],"based":[59,104],"on":[60,105],"geodetic":[62],"receivers.":[63],"In":[64],"using":[65],"achieve":[70],"accuracy,":[74],"feasible":[76],"solution":[77],"of":[78,129,136,160,165,167],"combining":[79],"low-cost":[81],"GNSS":[82,96],"module":[83],"and":[84,93,132,177,183,186,198,206,210],"device":[87],"proposed":[89],"in":[90,143,174],"this":[91],"work":[92],"user-side":[95],"RTK":[97,124,173],"software":[99],"was":[100,113,139],"developed":[101],"scratch":[103],"Android":[107],"platform.":[108],"Its":[109],"real-time":[110],"performance":[112],"validated":[114],"BeiDou":[116],"Navigation":[117],"Satellite":[118],"System/Global":[119],"Positioning":[120],"System":[121],"(BDS/GPS)":[122],"combined":[123,172],"under":[126],"conditions":[128],"static":[131,176,204],"(the":[134,163],"velocity":[135],"rover":[138],"50\u201380":[140],"km/h)":[141],"mode":[142],"real":[145],"environment":[147],"SAMSUNG":[150],"Galaxy":[151],"A7":[152],"smartphone.":[153],"The":[154],"results":[155],"show":[156],"that":[157],"fixed-rates":[159],"ambiguity":[161],"resolution":[162],"proportion":[164],"epochs":[166],"ambiguities":[168],"fixed)":[169],"BDS/GPS":[171],"tests":[179],"were":[180,192],"97%":[182],"90%,":[184],"respectively,":[185],"average":[188],"accuracies":[190],"(RMS)":[191],"better":[193],"than":[194],"0.15":[195],"(horizontal)":[197,209],"0.25":[199],"(vertical)":[201,213],"test,":[205],"0.30":[207],"0.45":[211],"test.":[217]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2561119278","counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":1}],"updated_date":"2025-01-15T22:15:26.868306","created_date":"2017-01-06"}