{"id":"https://openalex.org/W7130568423","doi":"https://doi.org/10.1109/ictc66702.2025.11389044","title":"Analysis of Open-Loop Timing Advance Errors in LEO Satellite Communications","display_name":"Analysis of Open-Loop Timing Advance Errors in LEO Satellite Communications","publication_year":2025,"publication_date":"2025-10-14","ids":{"openalex":"https://openalex.org/W7130568423","doi":"https://doi.org/10.1109/ictc66702.2025.11389044"},"language":null,"primary_location":{"id":"doi:10.1109/ictc66702.2025.11389044","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc66702.2025.11389044","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 16th International Conference on Information and Communication Technology Convergence (ICTC)","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/A5126413501","display_name":"Sunghoon Shim","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sunghoon Shim","raw_affiliation_strings":["Kyung Hee University,Department of Electronics and Information Convergence Engineering,Yongin-si,South Korea,17104"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyung Hee University,Department of Electronics and Information Convergence Engineering,Yongin-si,South Korea,17104","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126425575","display_name":"Haejoon Jung","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Haejoon Jung","raw_affiliation_strings":["Kyung Hee University,Department of Electronics and Information Convergence Engineering,Yongin-si,South Korea,17104"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyung Hee University,Department of Electronics and Information Convergence Engineering,Yongin-si,South Korea,17104","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017651687","display_name":"I Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I119060216","display_name":"Hankyong National University","ror":"https://ror.org/0031nsg68","country_code":"KR","type":"education","lineage":["https://openalex.org/I119060216"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"In-Ho Lee","raw_affiliation_strings":["Hankyong National University,School of Electronic and Electrical Engineering,Anseong,South Korea,17579"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hankyong National University,School of Electronic and Electrical Engineering,Anseong,South Korea,17579","institution_ids":["https://openalex.org/I119060216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"520","last_page":"523"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.7268999814987183,"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/T12042","display_name":"Satellite Communication Systems","score":0.7268999814987183,"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/T10655","display_name":"GNSS positioning and interference","score":0.15189999341964722,"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/T12449","display_name":"Spacecraft Design and Technology","score":0.02500000037252903,"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/gnss-applications","display_name":"GNSS applications","score":0.5929999947547913},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5676000118255615},{"id":"https://openalex.org/keywords/satellite-navigation","display_name":"Satellite navigation","score":0.5048999786376953},{"id":"https://openalex.org/keywords/gnss-augmentation","display_name":"GNSS augmentation","score":0.4733000099658966},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.43070000410079956},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.3928000032901764},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.39149999618530273},{"id":"https://openalex.org/keywords/quasi-zenith-satellite-system","display_name":"Quasi-Zenith Satellite System","score":0.37389999628067017}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6154000163078308},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.5929999947547913},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5676000118255615},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5120999813079834},{"id":"https://openalex.org/C36301306","wikidata":"https://www.wikidata.org/wiki/Q179435","display_name":"Satellite navigation","level":3,"score":0.5048999786376953},{"id":"https://openalex.org/C166212672","wikidata":"https://www.wikidata.org/wiki/Q2165162","display_name":"GNSS augmentation","level":4,"score":0.4733000099658966},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.43070000410079956},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.3928000032901764},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.39149999618530273},{"id":"https://openalex.org/C68477667","wikidata":"https://www.wikidata.org/wiki/Q862327","display_name":"Quasi-Zenith Satellite System","level":5,"score":0.37389999628067017},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.3361999988555908},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.334199994802475},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.3257000148296356},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.31619998812675476},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.3077999949455261},{"id":"https://openalex.org/C93682380","wikidata":"https://www.wikidata.org/wiki/Q2025226","display_name":"Static timing analysis","level":2,"score":0.30469998717308044},{"id":"https://openalex.org/C2777783341","wikidata":"https://www.wikidata.org/wiki/Q857141","display_name":"BeiDou Navigation Satellite System","level":4,"score":0.2955000102519989},{"id":"https://openalex.org/C3018824978","wikidata":"https://www.wikidata.org/wiki/Q2894891","display_name":"Error analysis","level":2,"score":0.29409998655319214},{"id":"https://openalex.org/C90806461","wikidata":"https://www.wikidata.org/wiki/Q1144416","display_name":"Propagation delay","level":2,"score":0.27300000190734863},{"id":"https://openalex.org/C200499919","wikidata":"https://www.wikidata.org/wiki/Q616896","display_name":"Dilution of precision","level":4,"score":0.26570001244544983},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.25859999656677246},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.25270000100135803}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ictc66702.2025.11389044","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc66702.2025.11389044","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 16th International Conference on Information and Communication Technology Convergence (ICTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W3086751733","https://openalex.org/W4293057433","https://openalex.org/W4385222282","https://openalex.org/W4387717654","https://openalex.org/W4390776954","https://openalex.org/W4400469617","https://openalex.org/W4404293991","https://openalex.org/W4404788505","https://openalex.org/W4404952803","https://openalex.org/W4405270111","https://openalex.org/W4405844905","https://openalex.org/W4406356765","https://openalex.org/W4407566295","https://openalex.org/W4410295015","https://openalex.org/W4410428337","https://openalex.org/W4410738183","https://openalex.org/W4411019270"],"related_works":[],"abstract_inverted_index":{"In":[0],"low-Earth":[1],"orbit":[2],"(LEO)":[3],"satellite":[4],"communication":[5],"systems,":[6],"the":[7,43,49,54,61,72,97,121,131,134,139],"rapid":[8],"relative":[9],"movement":[10,83],"between":[11],"satellites":[12],"and":[13,41,88,92,137],"user":[14],"equipment":[15],"(UEs).":[16],"While":[17],"3GPP":[18,105],"Release":[19],"17":[20],"defines":[21],"an":[22],"open-loop":[23,75,135],"timing":[24,69,99,123],"advance":[25],"(TA)":[26],"method":[27,77,136],"that":[28,118],"uses":[29],"location":[30],"information":[31],"obtained":[32],"through":[33,78],"a":[34,64],"Global":[35],"Navigation":[36],"Satellite":[37],"System":[38],"(GNSS)":[39],"fix":[40],"ephemeris,":[42],"estimated":[44],"TA":[45,76],"may":[46],"differ":[47],"from":[48],"actual":[50],"propagation":[51],"delay":[52],"because":[53],"UE":[55,82],"continues":[56],"to":[57,145],"move":[58],"even":[59],"after":[60],"GNSS":[62,73],"provides":[63],"fix.":[65],"This":[66],"paper":[67],"analyzes":[68],"errors":[70,119],"in":[71],"fix-based":[74],"simulations":[79],"assuming":[80],"various":[81],"scenarios,":[84],"including":[85],"linear,":[86],"circular,":[87],"zigzag.":[89],"For":[90,113],"linear":[91],"circular":[93],"movements,":[94],"it":[95],"exceeds":[96],"maximum":[98,122],"error":[100,124],"tolerance":[101,125],"time":[102],"defined":[103],"by":[104],"for":[106,141],"subcarrier":[107],"spacing":[108],"(SCS)":[109],"of":[110,133],"30":[111],"kHz.":[112],"zigzag":[114],"movement,":[115],"we":[116],"observe":[117],"approach":[120],"time.":[126],"Therefore,":[127],"this":[128],"study":[129],"confirms":[130],"limitations":[132],"emphasizes":[138],"need":[140],"additional":[142],"correction":[143],"techniques":[144],"achieve":[146],"accurate":[147],"synchronization.":[148]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-02-20T00:00:00"}