Performance evaluation of short to long term GPS, GLONASS and GPS/GLONASS post-processed PPP

Yiğit, Cemal Özer; Gikas, Vassilis; Alçay, Salih; Ceylan, Ayhan

doi:10.1179/1752270613y.0000000068

Cited by 57 publications

(31 citation statements)

References 21 publications

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“…More detailed information can be found in Ghoddousi-Fard and Dare (2006), Tsakiri (2008); El-Mowafy (2011); Dawidowicz and Krzan (2014) and Yigit et al (2014).…”

Section: Csrs-ppp From Geodetic Survey Division Of Natural Resourcesmentioning

confidence: 97%

A comparative study for accuracy assessment of PPP technique using GPS and GLONASS in urban areas

et al. 2015

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“…More detailed information can be found in Ghoddousi-Fard and Dare (2006), Tsakiri (2008); El-Mowafy (2011); Dawidowicz and Krzan (2014) and Yigit et al (2014).…”

Section: Csrs-ppp From Geodetic Survey Division Of Natural Resourcesmentioning

confidence: 97%

A comparative study for accuracy assessment of PPP technique using GPS and GLONASS in urban areas

et al. 2015

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“…By the presence of the IGS, the PPP accuracy can reach a few millimeters with daily static observations [12]- [14]. However, kinematic positioning using PPP, even using the final IGS products, needs about 30 min to obtain sub-decimeter precision.…”

Section: Real-time Igs-rts Precise Point Positioning (Ppp) Based Methodsmentioning

confidence: 99%

Precise Point Positioning Technique with IGS Real-Time Service (RTS) for Maritime Applications

El-Diasty¹,

Elsobeiey²

2015

POS

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“…Precise Point Positioning (PPP) has proven that it is a valuable method for single point positioning which can be applied over a global scale. By the presence of the IGS, the PPP accuracy can reach a few millimeters with daily observations (Yigit et al, 2013;Rizos et al, 2012;El-Mowafy, 2011). However, kinematic positioning using PPP, even using the final IGS products, needs about 30 min to obtain centimeter precision.…”

Section: Real-time Igs-rts Ppp-based Methodsmentioning

confidence: 99%

Integrity Analysis of Real-Time PPP Technique With Igs-RTS Service for Maritime Navigation

El-Diasty

2017

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Open sea and inland waterways are the most widely used mode for transporting goods worldwide. It is the International Maritime Organization (IMO) that defines the requirements for position fixing equipment for a worldwide radio-navigation system, in terms of accuracy, integrity, continuity, availability and coverage for the various phases of navigation. Satellite positioning systems can contribute to meet these requirements, as well as optimize marine transportation. Marine navigation usually consists of three major phases identified as Ocean/Coastal/Port approach/Inland waterway, in port navigation and automatic docking with alert limit ranges from 25 m to 0.25 m. GPS positioning is widely used for many applications and is currently recognized by IMO for a future maritime navigation. With the advancement in autonomous GPS positioning techniques such as Precise Point Positioning (PPP) and with the advent of new real-time GNSS correction services such as IGS-Real-Time-Service (RTS), it is necessary to investigate the integrity of the PPP-based positioning technique along with IGS-RTS service in terms of availability and reliability for safe navigation in maritime application. This paper monitors the integrity of an autonomous real-time PPP-based GPS positioning system using the IGS real-time service (RTS) for maritime applications that require minimum availability of integrity of 99.8% to fulfil the IMO integrity standards. To examine the integrity of the real-time IGS-RTS PPP-based technique for maritime applications, kinematic data from a dual frequency GPS receiver is collected onboard a vessel and investigated with the real-time IGS-RTS PPPbased GPS positioning technique. It is shown that the availability of integrity of the real-time IGS-RTS PPP-based GPS solution is 100% for all navigation phases and therefore fulfil the IMO integrity standards (99.8% availability) immediately (after 1 second), after 2 minutes and after 42 minutes of convergence time for Ocean/Coastal/Port approach/Inland waterway, in port navigation and automatic docking, respectively. Moreover, the misleading information is about 2% for all navigation phases that is considered less safe is not in immediate danger because the horizontal position error is less than the navigation alert limits. .

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Performance evaluation of short to long term GPS, GLONASS and GPS/GLONASS post-processed PPP

Cited by 57 publications

References 21 publications

A comparative study for accuracy assessment of PPP technique using GPS and GLONASS in urban areas

A comparative study for accuracy assessment of PPP technique using GPS and GLONASS in urban areas

Precise Point Positioning Technique with IGS Real-Time Service (RTS) for Maritime Applications

Integrity Analysis of Real-Time PPP Technique With Igs-RTS Service for Maritime Navigation

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