{"id":"https://openalex.org/W3120061964","doi":"https://doi.org/10.3390/rs13010151","title":"SBAS-Aided GPS Positioning with an Extended Ionosphere Map at the Boundaries of WAAS Service Area","display_name":"SBAS-Aided GPS Positioning with an Extended Ionosphere Map at the Boundaries of WAAS Service Area","publication_year":2021,"publication_date":"2021-01-05","ids":{"openalex":"https://openalex.org/W3120061964","doi":"https://doi.org/10.3390/rs13010151","mag":"3120061964"},"language":"en","primary_location":{"id":"doi:10.3390/rs13010151","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13010151","pdf_url":"https://www.mdpi.com/2072-4292/13/1/151/pdf?version=1609943031","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/1/151/pdf?version=1609943031","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100620596","display_name":"Mingyu Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Mingyu Kim","raw_affiliation_strings":["School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang-si 10540, Gyeonggi-do, Korea"],"affiliations":[{"raw_affiliation_string":"School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang-si 10540, Gyeonggi-do, Korea","institution_ids":["https://openalex.org/I24456540"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101845109","display_name":"Jeongrae Kim","orcid":"https://orcid.org/0000-0001-5070-7336"},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jeongrae Kim","raw_affiliation_strings":["School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang-si 10540, Gyeonggi-do, Korea"],"affiliations":[{"raw_affiliation_string":"School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang-si 10540, Gyeonggi-do, Korea","institution_ids":["https://openalex.org/I24456540"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101845109"],"corresponding_institution_ids":["https://openalex.org/I24456540"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.7198,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.89624888,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"1","first_page":"151","last_page":"151"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9998999834060669,"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":0.9998999834060669,"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/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gnss-augmentation","display_name":"GNSS augmentation","score":0.8664740920066833},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.719771146774292},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.7141810655593872},{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.6114562749862671},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5846883058547974},{"id":"https://openalex.org/keywords/pseudorange","display_name":"Pseudorange","score":0.5615682005882263},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.5496559739112854},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5385192036628723},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5034233927726746},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.48421692848205566},{"id":"https://openalex.org/keywords/satellite-navigation","display_name":"Satellite navigation","score":0.4831354320049286},{"id":"https://openalex.org/keywords/glonass","display_name":"GLONASS","score":0.4375540614128113},{"id":"https://openalex.org/keywords/orbit-determination","display_name":"Orbit determination","score":0.42934757471084595},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23243433237075806},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1726474165916443},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15136781334877014},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0939474105834961},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.0783616304397583}],"concepts":[{"id":"https://openalex.org/C166212672","wikidata":"https://www.wikidata.org/wiki/Q2165162","display_name":"GNSS augmentation","level":4,"score":0.8664740920066833},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.719771146774292},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.7141810655593872},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.6114562749862671},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5846883058547974},{"id":"https://openalex.org/C174201072","wikidata":"https://www.wikidata.org/wiki/Q1187347","display_name":"Pseudorange","level":4,"score":0.5615682005882263},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.5496559739112854},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5385192036628723},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5034233927726746},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.48421692848205566},{"id":"https://openalex.org/C36301306","wikidata":"https://www.wikidata.org/wiki/Q179435","display_name":"Satellite navigation","level":3,"score":0.4831354320049286},{"id":"https://openalex.org/C102451475","wikidata":"https://www.wikidata.org/wiki/Q486250","display_name":"GLONASS","level":4,"score":0.4375540614128113},{"id":"https://openalex.org/C107768556","wikidata":"https://www.wikidata.org/wiki/Q302660","display_name":"Orbit determination","level":3,"score":0.42934757471084595},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23243433237075806},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1726474165916443},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15136781334877014},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0939474105834961},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0783616304397583},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13010151","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13010151","pdf_url":"https://www.mdpi.com/2072-4292/13/1/151/pdf?version=1609943031","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6c4b78e679564737ba921491bb1d4a87","is_oa":true,"landing_page_url":"https://doaj.org/article/6c4b78e679564737ba921491bb1d4a87","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 1, p 151 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/1/151/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13010151","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 13; Issue 1; Pages: 151","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13010151","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13010151","pdf_url":"https://www.mdpi.com/2072-4292/13/1/151/pdf?version=1609943031","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7748583835","display_name":null,"funder_award_id":"NRF-2019R1F1A1062605","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"}],"funders":[{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3120061964.pdf","grobid_xml":"https://content.openalex.org/works/W3120061964.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1579429352","https://openalex.org/W1794757641","https://openalex.org/W1970608118","https://openalex.org/W2013117826","https://openalex.org/W2042642724","https://openalex.org/W2047670190","https://openalex.org/W2058160370","https://openalex.org/W2094797839","https://openalex.org/W2115511946","https://openalex.org/W2116198270","https://openalex.org/W2138806405","https://openalex.org/W2146077510","https://openalex.org/W2163545874","https://openalex.org/W2336142742","https://openalex.org/W2394899195","https://openalex.org/W2522187260","https://openalex.org/W2551414557","https://openalex.org/W2894278939","https://openalex.org/W2915621969","https://openalex.org/W2950275713","https://openalex.org/W2962302063","https://openalex.org/W2964749716","https://openalex.org/W2993060963","https://openalex.org/W3024099416","https://openalex.org/W6661202536"],"related_works":["https://openalex.org/W2341723018","https://openalex.org/W2979304675","https://openalex.org/W4210490263","https://openalex.org/W2383458065","https://openalex.org/W1797442270","https://openalex.org/W2885547599","https://openalex.org/W2057960647","https://openalex.org/W2010379808","https://openalex.org/W1551846473","https://openalex.org/W4389666849"],"abstract_inverted_index":{"Space-based":[0],"augmentation":[1,93],"system":[2,13,94],"(SBAS)":[3],"provides":[4],"correction":[5,33,45,65,81,129],"information":[6],"for":[7],"improving":[8],"the":[9,32,54,59,63,108,126,134,137,160],"global":[10],"navigation":[11],"satellite":[12,21,49],"(GNSS)":[14],"positioning":[15,123,140,154,161],"accuracy":[16,124,135,162],"in":[17],"real-time,":[18],"which":[19],"includes":[20],"orbit/clock":[22,50],"and":[23,41,100,159],"ionospheric":[24,102],"delay":[25,61,103],"corrections.":[26],"At":[27],"SBAS":[28,79,139,148],"service":[29],"area":[30,92],"boundaries,":[31],"is":[34,46,98,105,120,131,157,164],"not":[35],"fully":[36],"available":[37],"to":[38],"GNSS":[39],"users":[40],"only":[42,143],"a":[43,71,85,144],"partial":[44,145],"available,":[47],"mostly":[48],"information.":[51],"By":[52],"using":[53,84],"geospatial":[55],"correlation":[56],"property":[57],"of":[58,125,136,147],"ionosphere":[60,64,80,96,114,128],"information,":[62],"coverage":[66,82],"can":[67],"be":[68],"extended":[69,99,127],"by":[70,83],"spatial":[72],"extrapolation":[73,88],"algorithm.":[74,89],"This":[75],"paper":[76],"proposes":[77],"extending":[78],"biharmonic":[86],"spline":[87],"The":[90,112,122,152],"wide":[91],"(WAAS)":[95],"map":[97],"its":[101],"error":[104,115,155],"compared":[106,132],"with":[107,133],"GPS":[109],"Klobuchar":[110],"model.":[111],"mean":[113,153],"reduction":[116,156],"at":[117,166],"low":[118,167],"latitude":[119],"52.3%.":[121],"method":[130,141],"conventional":[138],"when":[142],"set":[146],"corrections":[149],"are":[150],"available.":[151],"44.8%,":[158],"improvement":[163],"significant":[165],"latitude.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
