{"id":"https://openalex.org/W2394899195","doi":"https://doi.org/10.5139/ijass.2016.17.1.64","title":"Extending Ionospheric Correction Coverage Area By Using A Neural Network Method","display_name":"Extending Ionospheric Correction Coverage Area By Using A Neural Network Method","publication_year":2016,"publication_date":"2016-03-30","ids":{"openalex":"https://openalex.org/W2394899195","doi":"https://doi.org/10.5139/ijass.2016.17.1.64","mag":"2394899195"},"language":"en","primary_location":{"id":"doi:10.5139/ijass.2016.17.1.64","doi":"https://doi.org/10.5139/ijass.2016.17.1.64","is_oa":true,"landing_page_url":"https://doi.org/10.5139/ijass.2016.17.1.64","pdf_url":"https://koreascience.or.kr:443/article/JAKO201614652759635.pdf","source":{"id":"https://openalex.org/S180078968","display_name":"International Journal of Aeronautical and Space Sciences","issn_l":"1229-9626","issn":["1229-9626","2093-2480","2093-274X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","kci-registered","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Aeronautical and Space Sciences","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2394899195"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://koreascience.or.kr:443/article/JAKO201614652759635.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100620588","display_name":"Mingyu Kim","orcid":"https://orcid.org/0000-0001-5082-7223","observed_orcids":["https://orcid.org/0000-0001-5082-7223","https://orcid.org/0009-0003-9086-3642"]},"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 City , Gyeonggi-Do 10540 , Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Aerospace and Mechanical Engineering , Korea Aerospace University , Goyang City , Gyeonggi-Do 10540 , Republic of 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","observed_orcids":["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":false,"raw_author_name":"Jeongrae Kim","raw_affiliation_strings":["School of Aerospace and Mechanical Engineering , Korea Aerospace University , Goyang City , Gyeonggi-Do 10540 , Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Aerospace and Mechanical Engineering , Korea Aerospace University , Goyang City , Gyeonggi-Do 10540 , Republic of Korea","institution_ids":["https://openalex.org/I24456540"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24456540"],"apc_list":{"value":3490,"currency":"USD","value_usd":3490},"apc_paid":{"value":3490,"currency":"USD","value_usd":3490},"fwci":0.3892,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.6754918,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"17","issue":"1","first_page":"64","last_page":"72"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.975600004196167,"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":0.975600004196167,"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":0.0215000007301569,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13487","display_name":"Statistical and numerical algorithms","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/extrapolation-algorithm","display_name":"extrapolation algorithm","score":0.7580000162124634},{"id":"https://openalex.org/keywords/neural-network","display_name":"artificial neural networks","score":0.9100000262260437},{"id":"https://openalex.org/keywords/least-squares-regression","display_name":"least squares regression","score":0.9810000061988831}],"concepts":[{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.9521126747131348},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.8059326410293579},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.6061478853225708},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5872299075126648},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.5039412379264832},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47917237877845764},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.45064079761505127},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.40264075994491577},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.35786113142967224},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.33703091740608215},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26506876945495605},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2563911974430084},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17056205868721008},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.16684198379516602},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16524896025657654},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14182236790657043},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.08341631293296814}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5139/ijass.2016.17.1.64","doi":"https://doi.org/10.5139/ijass.2016.17.1.64","is_oa":true,"landing_page_url":"https://doi.org/10.5139/ijass.2016.17.1.64","pdf_url":"https://koreascience.or.kr:443/article/JAKO201614652759635.pdf","source":{"id":"https://openalex.org/S180078968","display_name":"International Journal of Aeronautical and Space Sciences","issn_l":"1229-9626","issn":["1229-9626","2093-2480","2093-274X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","kci-registered","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Aeronautical and Space Sciences","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.5139/ijass.2016.17.1.64","doi":"https://doi.org/10.5139/ijass.2016.17.1.64","is_oa":true,"landing_page_url":"https://doi.org/10.5139/ijass.2016.17.1.64","pdf_url":"https://koreascience.or.kr:443/article/JAKO201614652759635.pdf","source":{"id":"https://openalex.org/S180078968","display_name":"International Journal of Aeronautical and Space Sciences","issn_l":"1229-9626","issn":["1229-9626","2093-2480","2093-274X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","kci-registered","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Aeronautical and Space Sciences","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2394899195.pdf","grobid_xml":"https://content.openalex.org/works/W2394899195.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W1944672","https://openalex.org/W603972690","https://openalex.org/W1605708511","https://openalex.org/W1825077972","https://openalex.org/W1970608118","https://openalex.org/W1989926693","https://openalex.org/W2003997947","https://openalex.org/W2042640524","https://openalex.org/W2042642724","https://openalex.org/W2045868367","https://openalex.org/W2047670190","https://openalex.org/W2115511946","https://openalex.org/W2138806405","https://openalex.org/W2162017642","https://openalex.org/W2540093921","https://openalex.org/W2964749716"],"related_works":["https://openalex.org/W1970608118","https://openalex.org/W2894278939","https://openalex.org/W4380563860","https://openalex.org/W2090203942","https://openalex.org/W2091900090","https://openalex.org/W2362840112","https://openalex.org/W2108409352","https://openalex.org/W2108722537","https://openalex.org/W4210667659","https://openalex.org/W4412943285"],"abstract_inverted_index":{"The":[0,61,70,88,118],"coverage":[1,30],"area":[2,121],"of":[3,16,22],"a":[4,98],"GNSS":[5,17],"regional":[6],"ionospheric":[7,24,38],"delay":[8,39],"model":[9,25],"is":[10,44,65,75,112],"mainly":[11],"determined":[12],"by":[13,128],"the":[14,23,29,41,57,79,84,93,106,109,123,133],"distribution":[15],"ground":[18],"monitoring":[19],"stations.":[20],"Extrapolation":[21],"data":[26,74],"can":[27],"extend":[28],"area.":[31],"An":[32],"extrapolation":[33,85,100,120],"algorithm,":[34],"which":[35,131],"combines":[36],"observed":[37],"with":[40],"environmental":[42],"parameters,":[43],"proposed.":[45],"Neural":[46],"network":[47,90],"and":[48,81,96],"least":[49],"square":[50],"regression":[51],"algorithms":[52],"are":[53],"developed":[54],"to":[55,77,82,104],"utilize":[56],"combined":[58],"input":[59],"data.":[60],"bi-harmonic":[62],"spline":[63],"method":[64,91],"also":[66],"tested":[67],"for":[68],"comparison.":[69],"IGS":[71],"ionosphere":[72],"map":[73],"used":[76],"simulate":[78],"delays":[80],"compute":[83],"error":[86,111,126],"statistics.":[87],"neural":[89],"outperforms":[92],"other":[94],"methods":[95],"demonstrates":[97],"high":[99],"accuracy.":[101],"In":[102],"order":[103],"determine":[105],"directional":[107],"characteristics,":[108],"estimation":[110,125],"classified":[113],"into":[114],"four":[115],"direction":[116],"components.":[117],"South":[119],"yields":[122,132],"largest":[124],"followed":[127],"North":[129],"area,":[130],"second-largest":[134],"error.":[135]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-10-08T09:06:37.294493","created_date":"2016-06-24T00:00:00"}