Extension of Hybrid Scintillation Propagation Model to the case of field propagation in the ionosphere with highly anisotropic irregularities

Abstract

The detailed effects of the high‐frequency radio wave propagation in a stochastic transionospheric propagation channel are discussed. This is a special case of propagation along or almost along the lines of the Earth's magnetic field. In this case, the ionospheric random irregularities of the electron density of the ionosphere may have very high values of the aspect ratio, which stands beyond the range of validity of the traditional analytical approaches utilized to treat the appropriate transionospheric propagation problems. In the consideration presented here, new analytical results are obtained for treating the problem under consideration. Based on the analytical results obtained, the previously developed Hybrid Scintillation Propagation Model is further extended, which also includes the software simulator of the signals propagating on the transionospheric paths with the random electron density irregularities highly elongated in the direction of the Earth's magnetic field.

Evaluation of Ionospheric Scintillation in GNSS Radio Occultation Measurements and Simulations

“…(2005), Zernov et al. (2009), and Gherm and Zernov (2017). Such models cover cases of propagation along anisotropic irregularities.…”

“…Simulated signal-to-noise ratio (SNR), scintillation index (S4), and power spectral density (PSD) of the normalized intensity around the altitude of the plasma bubble were used to validate the results obtained in the simulator. Other techniques treating ionospheric irregularities, resulting in scintillation in radio signal, with three-dimensional and arbitrary geometry have been investigated in Gherm et al (2005), Zernov et al (2009), and Gherm and Zernov (2017). Such models cover cases of propagation along anisotropic irregularities.…”

Wave Field Propagation in Extended Highly Anisotropic Media

“…Simulations that use numerical integration of the PWE with such realizations have been developed by Béniguel (2002) and Deshpande et al (2014). A hybrid model that generates realizations from theoretical calculations of the complex field moments has been developed by Gherm et al (2005), Zernov and Gherm (2015), and Gherm and Zernov (2015) with extensions to oblique geometries by Gherm and Zernov (2017). A model based on phase-screen simulations was developed by Ghafoori and Skone (2015).…”