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Performance analysis of combined GPS/GLONASS precise point positioning

Dai Wujiao

Open publisher page 2 citations

Abstract

The computation of combined GPS/GLONASS Precise Point Positioning(PPP) was conducted in seven sessions using static data from five IGS observation stations.The performance was assessed in terms of converged position accuracy and convergence time with a comparison to that of GPS-only.The results indicated that adding a few GLONASS satellites would not contribute to improving positioning accuracy at the situation of currently sufficient GPS satellites.However,the convergence time could be improved significantly.

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What this paper is about

The computation of combined GPS/GLONASS Precise Point Positioning(PPP) was conducted in seven sessions using static data from five IGS observation stations.The performance was assessed in terms of converged position accuracy and convergence time with a comparison to that of GPS-only.The results indicated that adding a few GLONASS satellites would not contribute to improving positioning accuracy at the situation of currently sufficient GPS satellites.However,the convergence time could be improved significantly.

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Available abstract

The computation of combined GPS/GLONASS Precise Point Positioning(PPP) was conducted in seven sessions using static data from five IGS observation stations.The performance was assessed in terms of converged position accuracy and convergence time with a comparison to that of GPS-only.The results indicated that adding a few GLONASS satellites would not contribute to improving positioning accuracy at the situation of currently sufficient GPS satellites.However,the convergence time could be improved significantly.

Key concepts: GLONASS, Global Positioning System, Precise Point Positioning, Geodesy, Convergence (economics), Computer science, Real Time Kinematic, Geography

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