An even more challenging scenario can be present when the GNSS receiver is on a dynamic platform (e.g., on an airplane). It impacts a wide range of space-based applications, including Global Navigation Satellite Systems (GNSS), and it occurs most frequently and has the strongest effects in the equatorial region 1, 2. Ionospheric scintillation is the random fluctuation of radio wave amplitude and/or phase when traversing ionospheric plasma irregularity structures.
Journal of the Institute of Navigation published by Wiley Periodicals, Inc.
#Eastward platforms simulator#
The simulator presented in this paper will provide a viable tool for dynamic GPS scintillation signal simulation and will aid the design for robust receiver processing algorithms during scintillation for dynamic platforms. In addition, this paper examines the influence of the platform dynamics on simulation signals with respect to the geomagnetic field direction and the irregularity drift velocity. The comparison between the initialization and simulation data for stationary receivers shows the effectiveness of the simulator. The time scale factor is mainly investigated in this paper, which determines the decorrelation time of the simulation signal and is affected by various factors including propagation geometry, irregularity drift velocity, and dynamics of the platform. This simulator is based on a two-dimensional two-component power-law phase screen model which is described by a compact set of parameters. This paper presents a physics-based, data-consistent, multifrequency GPS scintillation signal simulator for dynamic platforms in the equatorial region.
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