8 June 04NexSAT Steering Group Fourth Meeting

11

SATELLITE DATA LINK SYSTEMSATELLITE DATA LINK SYSTEM(SDLS)(SDLS)

TOWARDS A DEDICATED MOBILE SATELLITE TOWARDS A DEDICATED MOBILE SATELLITE COMMUNICATION SYSTEM FOR A/G SAFETY COMMUNICATION SYSTEM FOR A/G SAFETY

COMMUNICATIONSCOMMUNICATIONS

Claude Loisy Claude Loisy

European Space Agency (ESA)European Space Agency (ESA)

NexSAT Steering Group Fourth Meeting

8 June 04

22Brief recall of ESA funded SDLS Brief recall of ESA funded SDLS activities (1)activities (1)

Initial feasibility work:Initial feasibility work: based on MSBN started internally in 1994based on MSBN started internally in 1994

Feasibility Study:Feasibility Study: contract to Alcatel Espace in 95/96contract to Alcatel Espace in 95/96

System Study:System Study: two contracts placed in 1998:two contracts placed in 1998:

AleniaAlenia

Alcatel Space Industries (ASPI)Alcatel Space Industries (ASPI)

Service Demonstrator Implementation:Service Demonstrator Implementation: contract with industrial consortium lead by ASPI placed in contract with industrial consortium lead by ASPI placed in

2000 2000

NexSAT Steering Group Fourth Meeting

8 June 04

33Brief recall of ESA funded SDLS Brief recall of ESA funded SDLS activities (2)activities (2)

SDLS detailed system definition:SDLS detailed system definition:

- contract with ASPI started January 2003 (2 ,8 M €)- contract with ASPI started January 2003 (2 ,8 M €)

- to accompany Eurocontrol service requirement - to accompany Eurocontrol service requirement developmentdevelopment

Industry support to Demonstrations/Evaluations in Industry support to Demonstrations/Evaluations in cooperation with EUROCONTROLcooperation with EUROCONTROL

ESA Support Activities:ESA Support Activities:

- support to Eurocontrol in the framework of ICAO AMCP- support to Eurocontrol in the framework of ICAO AMCP

- support to Eurocontrol in the spectrum allocation activities - support to Eurocontrol in the spectrum allocation activities within CEPT and ITUwithin CEPT and ITU

NexSAT Steering Group Fourth Meeting

8 June 04

44Views of ESA contributing Member States Views of ESA contributing Member States w.r.t. funding of future SDLS activitiesw.r.t. funding of future SDLS activities

Extensive feasibility studies and demonstration activities Extensive feasibility studies and demonstration activities performed by European industry under ESA sponsorship performed by European industry under ESA sponsorship have shown that:have shown that:-- meeting the requirements of ATS communications including in high meeting the requirements of ATS communications including in high

density airspace can be achieved both technically and economically density airspace can be achieved both technically and economically with a dedicated design based on existing know-howwith a dedicated design based on existing know-how

With respect to its mandate of demonstrating to users the With respect to its mandate of demonstrating to users the potential benefits of utilisation of space ESA considers that potential benefits of utilisation of space ESA considers that the goal has been achievedthe goal has been achieved

Further support to industry in this context may be envisaged:Further support to industry in this context may be envisaged:- - typically aiming at a pre-operational service deploymenttypically aiming at a pre-operational service deployment

-- it should however be based on a partnership with other stakeholdersit should however be based on a partnership with other stakeholders