1. Next Generation SATCOM
Inmarsat - 2
Next Generation SATCOM
Inmarsat -3
Inmarsat - 4
and Aero-BGAN for Air Transport
Gary Colledge
Manager Aeronautical Data & Safety Services Eurocontrol NexSat Steering Group - Brussels June 2004

2. Contents Update on October 03 presentation BGAN Extension & Evolution
Aero-BGAN & Safety Services
NexSat HLMR and Satcom CONOPS
Potential features enabling new Safety Services
Eurocontrol NexSat Steering Group - Brussels June 2004

3. Inmarsat’s Next Generation satellites and SARPs compliant communications
Inmarsat-4 will support existing Aeronautical safety services
Inmarsat’s Public Service Agreement (PSA) commitment to ICAO (and IMO)
For the near term, data and voice safety services will operate via Inmarsat H/H+, I and L
Enhanced capabilities using the new Inmarsat-4 Satellites and new terrestrial infrastructure
Eurocontrol NexSat Steering Group - Brussels June 2004

4. Inmarsat’s Next Generation satellites – new capabilities
Referred to as Aero-BGAN (Broadband Global Area Network) working title
Designed to operate in conjunction with existing safety services (voice and data) and Swift 64.
Will provide data rates up to 432kbps per channel.
Will provide both ‘Circuit Switched’ and “Always on” TCP/IP data.
Supported through High, Intermediate and Low gain antennas.
Also provides the opportunity for development of significantly smaller terminals, and leads to lower priced services.
Working with 4 avionics manufacturers
Eurocontrol NexSat Steering Group - Brussels June 2004

5. Inmarsat-4 Satellite User Link :L Band Feeder Link :C Band
Global, Regional and Narrow spot beams
Feeder Link :C Band
Spacecraft Power :12 kW
Launch Mass :6 Tons
Solar Array Span :48 m
Prime Contractor: Astrium
Current planned Launch Dates:
F1 (64E Indian Ocean) – 4th Qtr 2004
F2 (53W Atlantic Ocean) – 1st Half 2005
F3 ground spare
Eurocontrol NexSat Steering Group - Brussels June 2004

6. Inmarsat-4 Satellite Launch Vehicles: ILS Atlas 5 Sealaunch
Current planned BGAN Service commencement
Mid 2005
Aero services expected 2006
Inmarsat 4 integration and environmental testing in Toulouse
Eurocontrol NexSat Steering Group - Brussels June 2004

7. Inmarsat-4 Composite Coverage Map
Eurocontrol NexSat Steering Group - Brussels June 2004

8. BGAN – Two Networks in One
Eurocontrol NexSat Steering Group - Brussels June 2004

9. BGAN Services PS Domain CS Domain DSL class internet access
Static and Dynamic IP addressing
Bandwidth on demand
Two service classes:
Basic IP Services - UMTS “Background /Interactive class” - Variable data rate
Premium IP Services - Streaming - Guaranteed bit rate
CS Domain
Direct Dial Voice
SIM Roaming
Voice Mail Services
Other UMTS Services
CLI, Call divert, Conf. Calling etc.
SMS (Two way)
ISDN
Eurocontrol NexSat Steering Group - Brussels June 2004

10. BGAN Extension & Evolution
The Aero/Maritime Evolution programme consists of:
1) Activity funded as part of BGAN Extension
Development through to technology validation.
Aeronautical Directional
Maritime Omni (inc Aero)
Multi-cast
50% funded by ESA / 50% by Inmarsat and partners
Eurocontrol NexSat Steering Group - Brussels June 2004

11. BGAN Extension & Evolution
2) Other activities outside the Extension project
Commercialisation
Business Support Systems
Type Approval
Distribution/Sales/Marketing
Multi-user enhancements
Maritime directional products
Land mobile/vehicular products
Eurocontrol NexSat Steering Group - Brussels June 2004

12. I4/BGAN Evolution Studies
BGAN X
Mar & Aero Omni
Aero Directional
Multicast
Product
Evolution
Service
Mar Directional
Land Vehicular
Multi-User
Additional
Includes propagation studies, physical layer specifications, proof of concept technology, final Air Interface definition for all product types
Eurocontrol NexSat Steering Group - Brussels June 2004

13. Aero-BGAN & Safety Services
Evolution of the expected Aero-BGAN system would be required for safety services support, which might imply
Planning timeline for pre-operational trials of Aero-BGAN safety services circa. 2010
Beginning safety service requirements evaluation. Many questions, not least:
Contingency?
How to achieve priority and pre-emption?
The effect of applying ESARRs
NexSat as part of latter stages of LINK 2000+? Also CASCADE?
ICAO view of digital voice versus circuit mode?
Inmarsat has made Aero-BGAN technical input to ICAO ACP WGC
Eurocontrol NexSat Steering Group - Brussels June 2004

14. NexSat HLMR and Satcom CONOPS
NexSat HMLR provides good starting point for baseline requirements, but ideally
A Concept of Operations is required for combined data and voice satcom operation in European region answering such questions as:
What is the voice distribution requirement?
Digitised voice offers new concepts of operation, should these taken into account?
Which datalink services will the NexSat support?
Eurocontrol NexSat Steering Group - Brussels June 2004

15. Potential features enabling new Safety Services
‘Make before break’ capability
Seamless voice and data in designated areas
Continuity of data delivery
‘Always-on’ capability removes previous inherent R, and T channel utilisation issues
Digitised voice offering
New ways to ensure ‘priority and pre-emption’ service
Multicast capability
Net radio
Eurocontrol NexSat Steering Group - Brussels June 2004

16. The Total Communications Network
Eurocontrol NexSat Steering Group - Brussels June 2004