GalileoEurope’s Satellite Navigation System

Professor Terry Moore

Galileo Key Features

No. of satellites 30 MEO Constellation 3 planes, 120° Altitude 23222 km Inclination 56° Ground repeat 10 days

Global, European-led under civil control

Independent but compatible & interoperable with GPS

A wide range of services to be offered

Galileo is open to international partnerships

How will Galileo Work?

Current Services Definition

Open Service (OS)

Search and Rescue Service (S&R)

Public Regulated Service (PRS)

Commercial Service (CS)

Safety-of-Life Service (SoL)

GALILEO Service Performance

Open Commercial Safety of Life Public Regulated

Coverage Global

Hoz. Accuracy

Single freq: 15mDual freq: 4m Dual freq: 4m

Single f: 15mDual f: 6.5m

Vert. Accuracy

Single freq: 35mDual freq: 8m Dual freq: 8m

Single f: 35mDual f: 12m

Timing Accuracy

30 ns

Integrity - Alert Limit

- Time to alert

None None12m H, 20m V

6 sec20m H, 35m V

10 sec

Access Free Open Access

Controlled access

Controlled access

Controlled access

Service Guarantees

None GuaranteesPossible

Guaranteed Service

Guaranteed Service

Galileo Architecture

Satellite controlControl and

processing centres

Networks

Sensor stations Integrity and Navigation Uplink

UsersSpace

Segment

Galileo Signals

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009…

DefinitionPhase Design

Development& In-Orbit Validation

PhaseDeployment

PhaseLong-term Operations

& Replenishment Phase

DEF

DDV

OPS

Galileo Design and validation

Full Galileo Space and Ground Segments

Operational Galileo

1.2 B€1.2 B€ 2.2 B €2.2 B € 220 M€ per yr220 M€ per yr80 M€80 M€

DEP

Galileo Cost Estimate and Original Schedule

Galileo Implementation Steps

• Lift-off mass 450 kg• Power demand 600 W• Stowed Dimensions

1.3 m x 1.74 m x 1.4 m

• Lift-off mass 523 kg• Power demand 943 W• Stowed Dimensions:

0.955 m x 0.955 m x 2.4 m

GSTB-V2 / A GSTB-V2 / B

Galileo System Test Bed Satellites

Giove-A Giove-B

Giove-A Launch28 December 2005

Giove-A Launch28 December 2005

• Lift-off mass 680 kg• Power demand 1.6 kW• Stowed Dimensions

2.7 m x 1.2 m x 1.1 m

• Nav Payload 115 kg, 780W• SAR Payload 20kg, 100W• 4 satellites• Ariane, Soyuz, Proton, Zenit

Galileo IOV Spacecraft

Galileo Overall Schedule

GalileoPublic Private Partnership

• Funding– 1/3 Public– 2/3 Private

• Public sector develops the system• Private sector deploys and operates system• Public sector supports market development• Private sector develops commercial business

Current Galileo Structure

Management of the Concession Process

EuropeanCommission ESA

GALILEOJoint Undertaking

System Operator:Concessionaire

Centre for Securityand Safety

GNSS SupervisoryAuthority

Third countries

SelectionRespect of concession

terms

Security measures

Merged Consortium for Galileo Concession

• Merged Consortium founded by iNavSat and Eurely– Complementary consortia

– Addition of TeleOp (t-systems, EADS, DLR & Förderbank Bayern)

• Merged Consortium has 8 equal partners

Galileo Concession Management Structure

Brussels Agreement

• On 5 Dec 2005 agreement between partners of the prospective Galileo concession was signed in Brussels– Endorsed by EC

– Moderator Karel van Miert

– Supported by Governments

• Key points are the distribution of assets:– HQ of Galileo Concession Holder in Toulouse (F)

– HQ of Galileo Operations Company in London (GB)

– Galileo Control Centres in Oberpfaffenhofen (D) and Fucino (I)

– Performance Eval Centres in Oberpfaffenhofen (D) and Fucino (I)

– Safety-of-Life Control Centre (& GCS) in Spain

Galileo Implementation Steps

Contact Details

Professor Terry MooreIESSG

The University of Nottingham University Park

Nottingham NG7 2RD

United Kingdom

• Telephone: +44 (0) 115 951 3886• Fax: +44 (0) 115 951 3881• Email: terry.moore@nottingham.ac.uk • WWW: www.nottingham.ac.uk/iessg