Publication Date:
2020-11-19
Description:
Ionospheric scintillation can seriously impair the Global Navigation Satellite Systems (GNSS)
receiver signal tracking performance, thus affecting the required levels of availability, accuracy and integrity
of positioning that supports modern day GNSS based applications. We present results from the
research work carried out under the Horizon 2020 European Commission (EC) funded Ionospheric
Prediction Service (IPS) project. The statistical models developed to estimate the standard deviation of
the receiver Phase Locked Loop (PLL) tracking jitter on the Global Positioning System (GPS) L1
frequency as a function of scintillation levels are presented. The models were developed following the
statistical approach of generalized linear modelling on data recorded by networks in operation at high
and low latitudes during the years of 2012–2015. The developed models were validated using data from
different stations over varying latitudes, which yielded promising results. In the case of mid-latitudes, as
the occurrence of strong scintillation is absent, an attempt to develop a dedicated model proved fruitless
and, therefore, the models developed for the high and low latitudes were tested for two mid-latitude
stations. The developed statistical models can be used to generate receiver tracking jitter maps over a region,
providing users with the expected tracking conditions. The approach followed for the development
of these models for the GPS L1 frequency can be used as a blueprint for the development of similar models
for other GNSS frequencies, which will be the subject of follow on research.
Description:
Published
Description:
A51
Description:
2A. Fisica dell'alta atmosfera
Description:
JCR Journal
Repository Name:
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Type:
article
