STMicroelectronics : STMicroelectronics Satellite-Tracking Chips Make a Mark
on Europe's Navigation System Roadmap
ST and European Space Agency performed the first-ever position fix using
Geneva, April 11, 2013 - STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of electronic
applications, today announced that its Teseo II single-chip satellite-tracking
ICs were successful in the very first ground location test using Europe's own
independent navigation system, Galileo. The tests were conducted in
collaboration with the European Space Agency (ESA).
Last month, the first position fix of longitude, latitude and altitude using
the four Galileo satellites currently in orbit was performed by the European
Space Agency at its Technology Centre in the Netherlands and by ST at its GNSS
(Global Navigation Satellite System) software development labs in Naples,
ST and ESA conducted the historic static and dynamic tests using a rooftop
antenna with a clear view of the satellites (static) and from a mobile
test-bed unit travelling in a normal user environment (dynamic). The Teseo II
receiver was able to track and produce a 3D fix over the entire path of the
mobile unit, using only the 4 Galileo IOV (In-Orbit Validation) satellites.
ST and ESA plan to continue the joint tests, initially as a combined
multi-constellation fix with GPS and/or Glonass satellites, then later in the
year, when more Galileo satellites are available, they also plan Galileo-only
tests in a hostile environment.
ESA and ST have been cooperating on a project to evaluate the performance of
low-cost consumer and automotive GNSS receivers with the Galileo signals,
combiningESA's expertise in knowledge of the signals, both theoretical and
from monitoring, with ST's 20 years of experience in producing chips to
process satellite navigation signals.
Low-cost receivers have narrower bandwidth and less-capable antennas, but in
the real world must operate in much more hostile situations than professional
test receivers. As the consumer receiver must operate in urban-canyon
situations when many of the signals are reflections, greatly weakened and
significantly distorted, ST's Teseo II, with its multi-constellation
capability and outstanding sensitivity, makes a perfect fit for many different
consumer navigation applications.
"The historic milestone achieved in collaboration with the European Space
Agency is an excellent demonstration of the Galileo support on ST's satellite
navigation platform and reinforces our position as a leading supplier of
high-performance GNSS receivers for applications like e-Call, Tolling,
Telematics and Navigation," said Antonio Radaelli, Infotainment Business Unit
Director, STMicroelectronics. "Furthermore, the outstanding capability of the
Teseo II chips to use signals from multiple satellite navigation systems
enable consumers to benefit from the Galileo navigation system before the
satellite constellation is fully populated."
Notes to Editors:
Introduced as the world's first single-chip positioning device for multiple
global navigation systems in January 2011, ST's Teseo II is a single-chip
standalone satellite receiver able to use signals from all of the satellite
navigation systems, including GPS, the European GALILEO system, Russian
GLONASS and Japanese QZSS. This allows the receiver to keep many satellites in
sight, delivering advantages such as shorter time-to-first-fix and continuous
tracking with enhanced accuracy, even under challenging circumstances such as
driving through urban canyons.
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ST and ESA Perfom First Galileo Position Fix
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