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Inside GNSS • Spring 2008

The Art of ARTUS–A Second-Generation Galileo/GPS Receiver

Creation of new global navigation satellite systems and modernization of existing ones is introducing many new signals across a wide swath of RF spectrum now and in the near future. These developments are accompanied by a growing need to design new GNSS receivers that can work with new signal structures on an increasing number of frequencies.

Europe’s Galileo program has supported a number of activities intended to promote innovations in receiver design, such as prototype Galileo user equipment, reference receivers, and so on.

Inside GNSS • Spring 2008

Double Estimator–A New Receiver Principle for Tracking BOC signals

For the current civilian GPS C/A code transmission with which people
are most familiar, each GNSS satellite transmits an individual periodic
code employing the principle of code division multiple access (CDMA).

The code itself is modulated onto a carrier using a phase shift keying or PSK(fC) technique where fC is a code rate.

The aim of signal processing design, then, is to estimate the relative
delay in each incoming satellite signal, in order to compute the
location of the receiver.

April 7, 2008

EADS Astrium Buys Surrey Satellite

EADS Astrium has signed an agreement to acquire Guildford, United Kingdom–based Surrey Satellite Technology Limited (SSTL) from the University of Surrey.

SSTL designed and built the first Galileo In-Orbit Validation Element (GIOVE-A), the only European GNSS satellite currently on orbit. The company also is building a second GIOVE-A spacecraft under contract to the European Space Agency (ESA).

April 8, 2008

Europe’s Transport Ministers, Parliamentary Committee Okay New Galileo Deal

The European Transport Council and the European Parliament’s industry committee have approved new institutional arrangements for the €3.4-billion Galileo program that help pave the way for the European Space Agency to start a tender for contracts.

The regulation would also continue operation of the European GNSS Supervisory Authority (GSA) while setting up a new Galileo Inter-Institutional Panel (GIP), with three members each from the parliament and the transport council and one from the European Commission (EC).

New Builds • April 6, 2008

Spirent Launches GLONASS L2 Capability in Simulator Series

UK-based Spirent Communications will introduce its new GSS8000 series of GNSS constellation simulators with GLONASS L2 capability at the Moscow International Satellite Forum April 7–8 and the European Navigation Conference–GNSS 2008 in Toulouse, France, April 22–25.

March 19, 2008

GIOVE-B Reaches Baikonur Launch Site, Undergoes Pre-Flight Check

GIOVE-B, the second Galileo in-orbit validation satellite, has arrived safely at the Baikonur Cosmodrome in Kazakhstan, where it is undergoing pre-flight checks in preparation for its launch early on April 26.

After completing final tests at the European Space Agency (ESA) space technology center in Noordwijk, The Netherlands, the spacecraft was transported to Baikonur aboard an Antonov An-124 cargo aircraft.

Inside GNSS • March/April 2008

Europe Readies Galileo Procurement

Having transformed the Galileo program into a fully public procurement, European agencies have announced a schedule that would lead to contracts for the €3.4-billion project by the end of 2008. And non-European companies may be involved in providing certain components and services to the effort.

The plans were revealed in presentations by high-ranking figures from the European Commission (EC) and European Space Agency (ESA) speaking at the Munich Satellite Navigation Summit in Germany, February 19–21.

February 7, 2008

SiRF Announces Multimedia Platform; FY 2007 Results Drive Share Prices Down

SiRF Technology has launched its SiRFprima platform, which combines a GPS/Galileo location engine, application processor, audio and video recording and playback capabilites, high-resolution 3D graphics, and a host of peripheral interfaces – all tuned to operate concurrently.  The platform supports both WinCE and Linux operating system environments, according to the company.

February 6, 2008

GSA Seeks Proposals for Galileo Signal Study

The European GNSS Supervisory Authority (GSA) has invited bids on an estimated €500,000 ($732,000), 18-month contract to evaluate and propose refinements in the Galileo signals to optimize the system’s prospects in a multi-system GNSS world.

Ventures • February 3, 2008

NovAtel to Build Galileo Monitoring Sites

NovAtel Inc. will establish grounds sites in Canada to monitor the GIOVE (Galileo In-Orbit Validation Element) test satellites under a CDN$667,861 (US$671,568) contract recently awarded by the Canadian Space Agency (CSA).

The work includes a parallel cooperative effort to integrate the NovAtel Galileo Test Receiver (GTR), developed for the CSA, into the GIOVE-A Galileo Experimental Sensor Station (GESS), to upgrade the GTR capabilities and to field these GESS stations in Canada.

Signals
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Trimble
Jammer Dectector
Sensonor
Spectracom
CAST
NovAtel
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