FAIR
CULTIVATING THE
FUTURE WITH PRECISION

Why FAIR project?

The goal:

FAIR project has the goal to develop a demonstrator of an end to end service enabling the mitigation in real time of ionospheric error, including scintillation at low latitude, and multipath. The demonstrator will be extensively validated and demonstrated in precision agriculture application in Brazil.

The need:

The need to be met falls within the field of autonomous navigation of agricultural vehicles with high accuracy. Such systems, based on GNSS, provide for 24-hour navigation in areas where crops are grown over very large areas. Just GNSS technology, in areas close to the equator, is affected by significant ionospheric interference for a few hours a day, such that autonomous navigation is unusable for about 30 percent of the entire day. This limitation evidently results in reduced efficiency.

The Project:

The occurrence of Ionospheric Scintillation in the local post-sunset hours at low latitudes jeopardize GNSS accuracy. This has a significant impact when GNSS accuracy is enabling technology supporting commercial activity with high-precision and high-integrity requirements. This is in particularly true for digital farming which is a very important sector in many Countries at low latitude (e.g. Brazil).

a Central Elaborating Facility, which includes the Forecasting Centre and broadcasts forecasted scintillation parameters.
a mitigation Device able to use the forecasted scintillation parameters for error mitigation.

In this project we'll improve the developed prototype including some further functionalities and to extensively validate and demonstrate the prototype itself in an operational environment. In particular we aim to:

Include in the Forecasting Centre the Total Electron Content (TEC) variation forecasting in addition to Scintillation parameters.
Extend the scintillation mitigation capability, currently limited to GPS only, to the other GNSS constellations and add also multipath mitigation, enabled by a patented algorithm developed by GTER, to the scintillation mitigation.
Perform an extended experimentation in Brazil lasting many months, under high solar activity conditions (under which the scintillation occurrence maximizes), to evaluate the real improvement in productivity enabled by the proposed Scintillation and Multipath free positioning solution.

Spacearth Technology (SET) is a SME born as a spin-off company of INGV. It is made of a team of engineers, physicists and geologists with a long involvement in research and business management with a view to creating added value from the results of more than 60 years of experience. SET designs and develops applications, software and hardware products for the Aerospace, Maritime and Environment fields, in cooperation with major European and Italian public and private organizations, universities and research centres (www.spacearth.net).
Gter is a SME with a strong expertise in the analysis, design and development of new solution (algorithm,processes, sw and prototype) for GNSS positioning. In particular, Gter is the owner of a patented algorithm for filtering local noise in the GNSS raw data (in particular Multipath effects).
Gter has a long track record of participation in research and development projects, both locally, nationally and internationally (www.gter.it).

Idea

Design

Prototype

Test

Produce

Articles:

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