{"id":"https://openalex.org/W4220887102","doi":"https://doi.org/10.3390/rs14051257","title":"High-Rate One-Hourly Updated Ultra-Rapid Multi-GNSS Satellite Clock Offsets Estimation and Its Application in Real-Time Precise Point Positioning","display_name":"High-Rate One-Hourly Updated Ultra-Rapid Multi-GNSS Satellite Clock Offsets Estimation and Its Application in Real-Time Precise Point Positioning","publication_year":2022,"publication_date":"2022-03-04","ids":{"openalex":"https://openalex.org/W4220887102","doi":"https://doi.org/10.3390/rs14051257"},"language":"en","primary_location":{"id":"doi:10.3390/rs14051257","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14051257","pdf_url":"https://www.mdpi.com/2072-4292/14/5/1257/pdf?version=1646729267","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/2072-4292/14/5/1257/pdf?version=1646729267","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069947859","display_name":"Guoqiang Jiao","orcid":"https://orcid.org/0000-0003-3768-5341"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]},{"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":"Guoqiang Jiao","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"raw_orcid":"https://orcid.org/0000-0003-3768-5341","affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]},{"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/A5005397223","display_name":"Shuli Song","orcid":"https://orcid.org/0000-0003-2747-3951"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuli Song","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5005397223"],"corresponding_institution_ids":["https://openalex.org/I2799714274"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2784},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2784},"fwci":7.8937,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.96431774,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"14","issue":"5","first_page":"1257","last_page":"1257"},"is_retracted":false,"is_paratext":false,"is_xpac":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/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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":0.996399998664856,"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-applications","display_name":"GNSS applications","score":0.8200633525848389},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.762567400932312},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.7297000288963318},{"id":"https://openalex.org/keywords/ambiguity-resolution","display_name":"Ambiguity resolution","score":0.6677714586257935},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.6422677040100098},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.4650859236717224},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.4576931893825531},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.4202157258987427},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10851866006851196}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.8200633525848389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.762567400932312},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.7297000288963318},{"id":"https://openalex.org/C2777559092","wikidata":"https://www.wikidata.org/wiki/Q4741445","display_name":"Ambiguity resolution","level":4,"score":0.6677714586257935},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.6422677040100098},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.4650859236717224},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.4576931893825531},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.4202157258987427},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10851866006851196},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14051257","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14051257","pdf_url":"https://www.mdpi.com/2072-4292/14/5/1257/pdf?version=1646729267","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:45e1b7d90b60406e9843e7f7d217ebeb","is_oa":true,"landing_page_url":"https://doaj.org/article/45e1b7d90b60406e9843e7f7d217ebeb","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":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"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 14, Iss 5, p 1257 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/5/1257/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14051257","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","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14051257","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14051257","pdf_url":"https://www.mdpi.com/2072-4292/14/5/1257/pdf?version=1646729267","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/G5705977985","display_name":null,"funder_award_id":"No. 41730109","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8656844291","display_name":"GNSS+\u6c34\u6c7d\u63a2\u6d4b\u7814\u7a76\u53ca\u5176\u5728\u6781\u7aef\u5929\u6c14\u548c\u6c14\u5019\u53d8\u5316\u4e2d\u7684\u521b\u65b0\u5e94\u7528","funder_award_id":"41730109","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8719062307","display_name":"\u591a\u6e90\u5f02\u6784GNSS\u6570\u636e\u9ad8\u6548\u878d\u5408\u5904\u7406\u65b9\u6cd5\u7814\u7a76","funder_award_id":"12073063","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4220887102.pdf","grobid_xml":"https://content.openalex.org/works/W4220887102.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W643526462","https://openalex.org/W898507855","https://openalex.org/W1069718223","https://openalex.org/W1813537582","https://openalex.org/W1975201290","https://openalex.org/W1989498479","https://openalex.org/W1995221075","https://openalex.org/W2011018771","https://openalex.org/W2034699168","https://openalex.org/W2051759451","https://openalex.org/W2080463587","https://openalex.org/W2140050818","https://openalex.org/W2185926373","https://openalex.org/W2265774878","https://openalex.org/W2344390745","https://openalex.org/W2471208033","https://openalex.org/W2573739355","https://openalex.org/W2603146761","https://openalex.org/W2611270842","https://openalex.org/W2755346628","https://openalex.org/W2771052324","https://openalex.org/W2794510868","https://openalex.org/W2919576603","https://openalex.org/W2947670452","https://openalex.org/W2996082049","https://openalex.org/W3047470666","https://openalex.org/W3135114718","https://openalex.org/W4200576438","https://openalex.org/W6675448856","https://openalex.org/W6742904568"],"related_works":["https://openalex.org/W3084744931","https://openalex.org/W2902549258","https://openalex.org/W2968867052","https://openalex.org/W4220774937","https://openalex.org/W2804003689","https://openalex.org/W4306291904","https://openalex.org/W4375815606","https://openalex.org/W3036334520","https://openalex.org/W4229451083","https://openalex.org/W4220815317"],"abstract_inverted_index":{"The":[0,46,106,191,205,225,238,292,304,321,347],"requirement":[1],"of":[2,14,58,99,113,158,197,234,267,283],"timeliness":[3],"is":[4,36,69,91,103,203],"increasing":[5],"while":[6],"obtaining":[7],"precise":[8,44,77,118],"tempo-spatial":[9],"information":[10],"with":[11,51,215,231,288,352],"the":[12,22,73,89,95,110,117,145,151,156,159,164,184,195,209,232,235,253,264,268,280,284,301,313,326,338],"development":[13],"global":[15],"navigation":[16],"satellite":[17],"systems":[18],"(GNSSs).":[19],"Due":[20],"to":[21,40,71,86,155,177,182,246,250,257,261,273,277,367],"poor":[23],"network":[24,361],"environment":[25],"and":[26,54,64,116,132,168,189,200,240,248,259,271,275,312,334,357,373],"communication":[27],"conditions":[28,362],"in":[29,61,150,194,252,263,279],"some":[30],"regions":[31],"or":[32,369],"application":[33],"scenarios,":[34],"it":[35,68],"difficult":[37,70],"for":[38,137],"users":[39],"receive":[41],"real-time":[42,63,368,371],"(RT)":[43],"products.":[45],"hourly":[47],"updated":[48,76,140,211,295,349],"ultra-rapid":[49,100,141,296,350],"products":[50,333,345,351],"low":[52,107,353],"latency":[53],"high":[55,355],"accuracy":[56,112,229,306],"are":[57,175,242,324],"great":[59],"interest":[60],"GNSS":[62],"near-real-time":[65],"fields.":[66],"However,":[67],"achieve":[72],"high-rate":[74,138,293],"one-hourly":[75,139,210,294,348],"clock":[78,101,114,198,213,227,297],"estimation":[79],"(PCE);":[80],"since":[81],"many":[82],"ambiguity":[83],"parameters":[84],"need":[85],"be":[87,220,308,317,364],"estimated,":[88],"computation":[90],"time-consuming.":[92],"At":[93],"present,":[94],"highest":[96],"time":[97,236,315],"resolution":[98],"offsets":[102,115,199,214,228,298],"15":[104],"min.":[105,224],"samplings":[108],"affect":[109],"prediction":[111,269,285],"point":[119],"positioning":[120,305],"(PPP)":[121],"performances.":[122,303],"To":[123],"meet":[124],"these":[125],"requirements,":[126],"we":[127],"proposed":[128],"an":[129],"efficient":[130],"method":[131],"design":[133],"a":[134,179],"new":[135],"framework":[136],"PCE.":[142],"We":[143],"modified":[144,160],"epoch-difference":[146],"(ED)":[147],"PCE":[148,162],"model":[149],"parameter":[152],"estimation.":[153],"According":[154],"characteristics":[157],"ED":[161],"model,":[163],"Open":[165],"Multi-Processing":[166],"(OpenMP)":[167],"Intel":[169],"Math":[170],"Kernel":[171],"Library":[172],"(MKL)":[173],"technologies":[174],"used":[176],"construct":[178],"parallel":[180],"system":[181],"realize":[183],"parallelism":[185],"among":[186],"satellites,":[187],"epochs,":[188],"stations.":[190],"comprehensive":[192],"assessment":[193],"precision":[196],"PPP":[201],"performances":[202,323],"conducted.":[204],"result":[206],"demonstrates":[207],"that":[208],"multi-GNSS":[212],"30":[216],"s":[217],"sampling":[218],"can":[219,307,316,363],"obtained":[221],"within":[222],"20":[223],"estimated":[226],"increases":[230],"improvement":[233],"resolution.":[237],"STD":[239],"RMS":[241],"improved":[243,309,318],"by":[244,310,319,360],"(0.97":[245],"9.09%":[247],"0.12":[249,276],"5.56%)":[251],"observation":[254],"session,":[255,270],"(2.82":[256],"23.08%":[258],"0.95":[260],"9.09%)":[262],"first":[265],"hour":[266,282],"(0.11":[272],"3.85%":[274],"4.19%)":[278],"second":[281],"session":[286],"compared":[287],"low-rate":[289],"products,":[290],"respectively.":[291],"significantly":[299],"improves":[300],"RT-PPP":[302,322],"1.52~25.74%,":[311],"convergence":[314],"21.96~65.75%.":[320],"basically":[325],"same":[327],"as":[328],"GeoForschungsZentrum":[329],"Potsdam":[330],"(GFZ)":[331],"rapid":[332],"slightly":[335],"better":[336],"than":[337],"Center":[339],"National":[340],"d\u2019Etudes":[341],"Spatiales":[342],"(CNES)":[343],"RT":[344],"(CLK93).":[346],"latency,":[354],"accuracy,":[356],"not":[358],"limited":[359],"well":[365],"applied":[366],"near":[370],"applications":[372],"research.":[374]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}