Development of a New Real-Time Precise Point Positioning System

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dc.contributor.advisorGao, Yang
dc.contributor.authorYang, Hongzhou
dc.contributor.committeememberEl-Sheimy, Naser
dc.contributor.committeememberKattan, Lina
dc.contributor.committeememberSkone, Susan H.
dc.contributor.committeememberBisnath, Sunil B.
dc.date2018-06
dc.date.accessioned2018-03-20T14:09:48Z
dc.date.available2018-03-20T14:09:48Z
dc.date.issued2018-03-14
dc.description.abstractReal-time Precise Point Positioning (PPP) is drawing increasing attentions from both the Global Navigation Satellite System (GNSS) community and real-time users with different applications, such as offshore navigation, precise agriculture and hazard warning. To meet the rapidly increasing demand, the International GNSS Service (IGS) Real-Time Service (RTS) is currently disseminating several real-time high-frequency State Space Representation (SSR) products through the Internet under the Networked Transport of Radio Technical Commission for Maritime Services (RTCM) via the Internet Protocol (NTRIP) protocol. High availability of real-time PPP services requires high availability of precise orbit and clock corrections. Any correction outage, either due to corrupted ephemeris or loss of communication link, will degrade the availability of precise positioning using the service. Meanwhile, the communication burden is very heavy with such high update rates. To tackle the above limitations, a new robust real-time PPP system with higher availability is proposed in this thesis. The proposed system consists of three components regarding server end, communication end and user end. For the new real-time PPP system, the satellite orbit and clock Initial Parameters (IP) products are generated at the server end and broadcast to the user end for the generation of high precision orbit and clock products, afterwards, the real-time PPP can be carried out with the IP-based high precision satellite products. With the IP products, the real-time PPP system can operate with scalable update rates according to the various accuracy requests of different applications. Furthermore, the new real-time PPP system can continue during Internet connection outages, which is not uncommon in real applications due to the Internet connection losses. The prototype of the new real-time PPP system is developed and substantially tested in real-time.en_US
dc.identifier.citationYang, H. (2018). Development of a New Real-Time Precise Point Positioning System (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/31736en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/31736
dc.identifier.urihttp://hdl.handle.net/1880/106443
dc.language.isoeng
dc.publisher.facultyGraduate Studies
dc.publisher.facultySchulich School of Engineering
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.subjectNew real-time PPP system
dc.subjectInitial parameters
dc.subjectSatellite orbit prediction
dc.subjectSatellite clock offsets prediction
dc.subjectscalable update rates
dc.subjectInternet connection outages
dc.subject.classificationGeodesyen_US
dc.titleDevelopment of a New Real-Time Precise Point Positioning System
dc.typedoctoral thesis
thesis.degree.disciplineGeomatics Engineering
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameDoctor of Philosophy (PhD)
ucalgary.item.requestcopytrue
ucalgary.thesis.checklistI confirm that I have submitted all of the required forms to Faculty of Graduate Studies.en_US
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