{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,2]],"date-time":"2025-10-02T06:09:56Z","timestamp":1759385396091,"version":"3.41.2"},"reference-count":26,"publisher":"IEEE","license":[{"start":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T00:00:00Z","timestamp":1585699200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T00:00:00Z","timestamp":1585699200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,4]]},"DOI":"10.1109\/plans46316.2020.9109981","type":"proceedings-article","created":{"date-parts":[[2020,6,8]],"date-time":"2020-06-08T18:04:27Z","timestamp":1591639467000},"page":"1104-1110","source":"Crossref","is-referenced-by-count":3,"title":["From Single to Precise Point Positioning: The Impact on Time Retrieval"],"prefix":"10.1109","author":[{"given":"Ciro","family":"Gioia","sequence":"first","affiliation":[{"name":"European Commission, Joint Research Centre (JRC) Directorate for Space, Security and Migration,Ispra,Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniele","family":"Borio","sequence":"additional","affiliation":[{"name":"European Commission, Joint Research Centre (JRC) Directorate for Space, Security and Migration,Ispra,Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugenio","family":"Realini","sequence":"additional","affiliation":[{"name":"Geomatics Research & Development srl,Lomazzo (CO),Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Gatti","sequence":"additional","affiliation":[{"name":"Geomatics Research & Development srl,Lomazzo (CO),Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giulio","family":"Tagliaferro","sequence":"additional","affiliation":[{"name":"Geomatics Research & Development srl,Lomazzo (CO),Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref10","article-title":"Receiver-Level Robustness Concepts for EG-NSS Timing Services","author":"kirkko-jaakkola","year":"0","journal-title":"Proceeding of 30th International Technical Meeting of the Satellite Division of the Institute of Navigation (ION GNSS+ 2017)"},{"doi-asserted-by":"publisher","key":"ref11","DOI":"10.33012\/2017.15393"},{"doi-asserted-by":"publisher","key":"ref12","DOI":"10.1109\/NAVITEC.2012.6423041"},{"doi-asserted-by":"publisher","key":"ref13","DOI":"10.1007\/s00190-014-0763-3"},{"doi-asserted-by":"publisher","key":"ref14","DOI":"10.1007\/s00190-016-0925-6"},{"doi-asserted-by":"publisher","key":"ref15","DOI":"10.1088\/0026-1394\/45\/6\/S14"},{"year":"2005","author":"kaplan","journal-title":"Understanding GPS Principles and Applications","key":"ref16"},{"doi-asserted-by":"publisher","key":"ref17","DOI":"10.2514\/4.866395"},{"doi-asserted-by":"publisher","key":"ref18","DOI":"10.1007\/PL00012883"},{"key":"ref19","article-title":"goGPS: open-source MATLAB software","author":"herrera","year":"2015","journal-title":"GPS Solutions"},{"doi-asserted-by":"publisher","key":"ref4","DOI":"10.1080\/15325008.2013.835359"},{"doi-asserted-by":"publisher","key":"ref3","DOI":"10.1002\/0470845880"},{"doi-asserted-by":"publisher","key":"ref6","DOI":"10.1109\/I2MTC.2016.7520493"},{"doi-asserted-by":"publisher","key":"ref5","DOI":"10.1109\/19.668274"},{"doi-asserted-by":"publisher","key":"ref8","DOI":"10.1080\/19315775.2008.11721437"},{"key":"ref7","article-title":"The Role of the Clock in a GPS Receiver","author":"misra","year":"1996","journal-title":"GPS World"},{"doi-asserted-by":"publisher","key":"ref2","DOI":"10.1007\/978-3-030-23502-4_19"},{"doi-asserted-by":"publisher","key":"ref9","DOI":"10.33012\/2019.16749"},{"year":"2019","journal-title":"GNSS Market Report 2019","key":"ref1"},{"key":"ref20","article-title":"On the estimability of parameters in undifferenced, uncombined GNSS network and PPP-RTK user models by means of S-system theory","author":"odijk","year":"2015","journal-title":"Journal of Geodesy"},{"doi-asserted-by":"publisher","key":"ref22","DOI":"10.1007\/978-3-319-42928-1"},{"doi-asserted-by":"publisher","key":"ref21","DOI":"10.1109\/TAES.1987.310829"},{"doi-asserted-by":"publisher","key":"ref24","DOI":"10.1109\/PROC.1966.4634"},{"doi-asserted-by":"publisher","key":"ref23","DOI":"10.1007\/BF02522083"},{"year":"0","journal-title":"Stanford Research Systems PRS10 - Rubidium frequency standard with low phase noise","key":"ref26"},{"doi-asserted-by":"publisher","key":"ref25","DOI":"10.33012\/2019.16752"}],"event":{"name":"2020 IEEE\/ION Position, Location and Navigation Symposium (PLANS)","start":{"date-parts":[[2020,4,20]]},"location":"Portland, OR, USA","end":{"date-parts":[[2020,4,23]]}},"container-title":["2020 IEEE\/ION Position, Location and Navigation Symposium (PLANS)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/9102203\/9109801\/09109981.pdf?arnumber=9109981","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,25]],"date-time":"2025-07-25T17:54:36Z","timestamp":1753466076000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9109981\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,4]]},"references-count":26,"URL":"https:\/\/doi.org\/10.1109\/plans46316.2020.9109981","relation":{},"subject":[],"published":{"date-parts":[[2020,4]]}}}