1
Introduction
2 Inhomogeneities
characteristics
a) Spectral density
b) Correlation length
c) Height of
irregularities
3 Dependency of
inhomogeneities on the latitude
a) Equatorial
scintillations
b) High latitude
scintillations
4 GISM propagation
model
4.1
Medium modelling
4.2
Algorithm
Random medium synthesis
FFT limitations
5 Scintillations
at receiver level
5.1
GPS receiver architecture
5.2
Phase noise at receiver level
6 Loss of lock
probability
7 Positioning
errors
8 Simultaneous
loss of lock
9 Comparisons models
results and measurements