Inmarsat Inmarsat Aeronautical System Aeronautical System

StatusStatusDamian HarringtonDamian Harrington

Aeronautical Systems EngineerAeronautical Systems Engineer

30 October 200330 October 2003

Inmarsat AeronauticalInmarsat Aeronautical

Classic Services OverviewClassic Services OverviewAero-HAero-H

Aero-H+/IAero-H+/I (SARPs Compliant) (SARPs Compliant)

Aero LAero L

Swift64Swift64

Aeronautical BGANAeronautical BGAN

Classic Services OverviewClassic Services Overview

AES

GES

PSTN

X.25 (DATA-3)

ACARS(DATA-2)

Cabin and Cockpit voice and data services with full P3 capability

Inmarsat Aero-HInmarsat Aero-H

Global Beam OnlyGlobal Beam Only

21K Voice21K Voice

PC-data and FaxPC-data and Fax

Packet DataPacket Data

600 – 10500 bps channel rates600 – 10500 bps channel rates

Shared channelsShared channels

Inmarsat Aero-I/H+Inmarsat Aero-I/H+Aero-I (Intermediate Gain Antenna) Aero-I (Intermediate Gain Antenna)

Spot Beam Operation Spot Beam Operation

8.4K Voice8.4K Voice

PC-data and FaxPC-data and Fax

Global Beam OperationGlobal Beam Operation

Packet Data at 600 – 4800 bpsPacket Data at 600 – 4800 bps

Aero-H+ (High Gain Antenna) Aero-H+ (High Gain Antenna) Global & Spot Beam OperationGlobal & Spot Beam Operation

8.4K Voice8.4K Voice

PC-data and FaxPC-data and Fax

Packet Data at 600 to 10500 bpsPacket Data at 600 to 10500 bps

Inmarsat-3 Spotbeam Inmarsat-3 Spotbeam CoverageCoverage

AreaArea

Inmarsat Aero-LInmarsat Aero-L

Global beam onlyGlobal beam only

Low Gain antenna – OmnidirectionalLow Gain antenna – Omnidirectional

Data 600 and 1200 bpsData 600 and 1200 bps

Supported by all GESsSupported by all GESs

Inmarsat Swift64Inmarsat Swift64

Uses existing High Gain AntennaUses existing High Gain Antenna

Has two servicesHas two services

Swift64 ISDN ServiceSwift64 ISDN Service

Swift64 MPD ServiceSwift64 MPD Service

Uses existing Inmarsat ISDN and MPDS Uses existing Inmarsat ISDN and MPDS infrastructure on INM-3 spotbeamsinfrastructure on INM-3 spotbeams

Swift64 ISDN Swift64 MPDS

Swift64 ISDN ServiceSwift64 ISDN Service

AES

NCSLES

ISDN

Swift64 ISDN ServiceSwift64 ISDN Service

Circuit mode serviceCircuit mode service

One ‘user’ per channelOne ‘user’ per channel

Data throughput is 64 kbits/sData throughput is 64 kbits/s

Charged per time unit Charged per time unit

Swift64 MPD ServiceSwift64 MPD Service

AES

NCS

Internet

SBS

Internet

HLES

User

Packet mode service.Packet mode service.

Multiple ‘users’ per channel.Multiple ‘users’ per channel.

User has a portion of the 64 kbits/s User has a portion of the 64 kbits/s channel at any one time.channel at any one time.

Charged per kbit Charged per kbit notnot connection time. connection time.

Swift64 MPD ServiceSwift64 MPD Service

Aeronautical BGAN Swift64Aeronautical BGAN Swift64

Inmarsat-4 satellites will provide new Inmarsat-4 satellites will provide new service opportunities in all aeronautical service opportunities in all aeronautical market segments:market segments:

Increase data rates for existing Increase data rates for existing satcoms installations.satcoms installations.

New data services for medium/ short-New data services for medium/ short-haul aircraft and helicopters. haul aircraft and helicopters.

Space Segment – INM 4Space Segment – INM 4

User LinkUser Link : L Band : L Band

Feeder LinkFeeder Link : C Band : C Band

Orbital PositionsOrbital Positions

F1: approx. 65 EF1: approx. 65 E

F2: approx. 54 WF2: approx. 54 W

F3: TBD (if 3 successful F3: TBD (if 3 successful launches)launches)

Prime Contractor : AstriumPrime Contractor : Astrium

10 year lifetime (minimum)10 year lifetime (minimum)

LaunchersLaunchers

Atlas 5, Ariane 5Atlas 5, Ariane 5

Has a LxL capabilityHas a LxL capability

Satellite Launch Satellite Launch ConfigurationConfiguration

Spacecraft Power: 12 kWSpacecraft Power: 12 kW

Launch Mass : 6 TonsLaunch Mass : 6 Tons

Solar Array Span : 55.25 Solar Array Span : 55.25 mm

Overall Dimensions:Overall Dimensions:

6.9 m Z axis, 2.9 m X 6.9 m Z axis, 2.9 m X axis, 2.35 m Y axisaxis, 2.35 m Y axis

EUROSTAR E3000 EUROSTAR E3000 Structure comprises:Structure comprises:

Service Module (SM) Service Module (SM)

Communications Module Communications Module (CM)(CM)

Satellite Overall Coverage Satellite Overall Coverage AreaArea

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

-10.00 -5.00 0.00 5.00 10.00 Theta*cos(phi) in Degrees

-10.00

-5.00

0.00

5.00

10.00

Th

eta

*sin(p

hi) in

De

gre

es

Spot Beam Coverage 54 WestSpot Beam Coverage 54 WestNarrow Spot Beams Wide Spot Beams

Satellite Overall Coverage Satellite Overall Coverage AreaArea

Ground SegmentGround Segment

BGAN DCN

Resource &Network

Management

Satellite OrbitalData; TT&C

I4 Satellite I4 Satellite (F2 ~ 54W) (F1 ~ 65E)

BGAN DCN

Other PLMNsPDN PSTN ISDN

PoP

InmarsatBOC

InmarsatNOC

InmarsatSCC

Billing Data, Fault Management,Customer care

I4 Satellite I4 Satellite (F2 ~ 54W) (F1 ~ 65E)

BGAN SAS 1 BGAN SAS 2

RF/IF RF/IF

CN

RAN 1 RAN 2

RF/IF RF/IF

CN

RAN 1 RAN 2

L-BandUserLinks

L-BandUserLinks

Based upon a new Inmarsat Air Interface Based upon a new Inmarsat Air Interface Specification.Specification.

Defines a range of data rates Defines a range of data rates

QPSK and 16 QAMQPSK and 16 QAM

Symbol rates of:Symbol rates of:

16.8, 33.6, 67.2 and 151.2 ks/sec16.8, 33.6, 67.2 and 151.2 ks/sec

Variable rate coding – set of predefined puncturing Variable rate coding – set of predefined puncturing matricesmatrices

Coding indicated by U.W’sCoding indicated by U.W’s

Change rate per 1 dB in C/No Change rate per 1 dB in C/No

Operating point chosen for a PER of 1 x 10Operating point chosen for a PER of 1 x 10-3-3

User data rates up to 492 kbit/secUser data rates up to 492 kbit/sec

Adapted for a range of Antenna types (High, Intermediate Adapted for a range of Antenna types (High, Intermediate & Low Gain)& Low Gain)

Aero BGANAero BGAN

Antenna TypesAntenna Types

Aero low gain BGAN• tbd kbit /s rx

• tbd kbit /s tx

Aero L - global•1.2 kbit /s PMD

• Safety services

Aero I BGAN•200 – 344 kbit/s rx

•192 – 332 kbit/s tx

Aero I - regional•2.4 kbit /s fax and data

•4.8 kbit /s X.25

• Safety services

Aero high gain BGAN•266 – 422 kbit/s rx

•332 – 492 kbit/s tx

Swift 64 - regional• 64kbit/s ISDN & MPDS

Aero H/H+ - global• Voice, fax, PM data

• Safety services

BGAN ModeExisting mode

Aero low gain BGAN• 36 - 50 kbit/s rx• 21 - 55 kbit/s tx

Aero L - global•1.2 kbit /s PMD

• Safety services

Aero I BGAN•200 – 344 kbit/s rx

•192 – 332 kbit/s tx

Aero I - regional•2.4 kbit /s fax and data

•4.8 kbit /s X.25

• Safety services

Aero high gain BGAN•266 – 422 kbit/s rx

•332 – 492 kbit/s tx

Swift 64 - regional• 64kbit/s ISDN & MPDS

Aero H/H+ - global• Voice, fax, PM data

• Safety services

BGAN ModeExisting mode

BGAN Deployment BGAN Deployment ScheduleSchedule

2003 2004 2005

Development Phase

CN Integration & Test

RAN Integration & Test

Pre-I4 Testing

I4 F1 Available

I4 F2 Available

Regional Launch

Alpha Testing

Testing over I4

Beta Testing

Global Launch