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Livio Marradi:
Open - Platform GNSS Receiver Architecture for High-End Applications

DESCRIPTION
The future availability of different GNSS satellite constellations
is leading to the need for navigation receivers capable of jointly
managing GPS, SBAS and GALILEO signals and flexible enough
to accommodate both future signal evolutions and easy integration
with other technologies, such as communication and inertial
sensors. This open-platform GNSS navigation receiver architecture,
based on SDR and next-generation hardware and software,
allows such flexibility and reconfigurability. The end-user
client software can run on devices based on defined APIs. The
GNSS application supports integration of users’ geospatial content
databases and user-defined algorithms that enhance device
performance or usability for a specific application. The user can
access and process three levels of data, including basic I/Q digitised
samples, raw measurements, and full navigation and integrity
output. The open platform is a miniaturised, reconfigurable,
single-board dual-frequency receiver that offers pre-installed
core-navigation software libraries covering typical user accuracy
and integrity requirements for a wide range of safety-of-life and
professional navigation, positioning and timing applications.
INNOVATION
Solutions available on the market are typically closed, black-box
products that process predefined signals and frequency bands.
The proposed architecture is reconfigurable to virtually any GNSS
signal and frequency band and able to host user-defined algorithms
and software to carry out a specific application, reducing
the need for additional external hardware or software resources.
The platform is targeted toward high-end professional and safety-
of-life applications. It facilitates access to the different levels
of data generated by the receiver.
TARGET MARKET
The solution’s target market involves safety-of-life applications
in rail, air, and sea transport, as well as professional regulated
applications ranging from geodetics to railway monitoring and
surveying, train supervision & diagnostic applications, infrastructures
monitoring, emergency service applications.
CUSTOMER BENEFIT
Users can easily access GNSS data at different levels, as well as
customise and configure the device for specific applications. The
solution provides a robust, reliable and accurate GNSS sensor
device also usable in regulated services or systems requiring
certification. The GNSS sensor is capable of processing all GPS/
SBAS/Galileo signals.
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