Page 1 FAA Future Air/Ground Communications System Architecture James Williams Integrated Product Team Lead Communications Systems ATN September 2000

Page 2 En Route ATC Analog Voice Communications System Architecture (Current)

Page 3 En Route and Oceanic Voice & Data Communications System Architecture (6/02 - 6/10)

Page 4 En Route Controller Pilot Data Link Communications Build I (6/ /2003) Single-site data link capabilitySingle-site data link capability –Key Site: MIA Air Route Traffic Control Ctr. –Key site Initial Operational Capability (IOC): Jun 2002 Provide 4 operational servicesProvide 4 operational services –Transfer of Communication –Initial Contact –Altimeter Setting –Informational free text menu capabilities built by supervisor inputs ARINC will provide the VDL-2 A/G sub-networkARINC will provide the VDL-2 A/G sub-network American Airlines will be launch carrierAmerican Airlines will be launch carrier

Page 5 Context Management ApplicationContext Management Application –Log-on service that allows initial aircraft introduction –A directory of all other data link applications on the aircraft Data Link Application Processor (DLAP) System Currently in development and will be deployed to Miami ARTCCCurrently in development and will be deployed to Miami ARTCC CPDLC ATN ApplicationCPDLC ATN Application –Processes uplinks and downlinks exchanged between the controllers and pilots –Maintains a transaction database of outstanding CPDLC messages

Page 6 FAA Aeronautical Telecommunication Network (ATN) Ground-to-Ground (G/G) Router Router currently in development and will be deployed to Miami ARTCC as a “single FAA ATN G/G router”Router currently in development and will be deployed to Miami ARTCC as a “single FAA ATN G/G router” Interfaces with NADIN PSN using X.25Interfaces with NADIN PSN using X.25 FAA ATN G/G Router:FAA ATN G/G Router: –Coordinates routing with the service provider (ARINC for Build I) –Routes messages between the HID/NAS LAN router and the VDL-2 service provider router

Page 7 Conceptual ARINC ATN/VDL-2 Network Infrastructure will be employed to provide coverage for Miami ARTCC airspace utilizing A/G and G/G routersInfrastructure will be employed to provide coverage for Miami ARTCC airspace utilizing A/G and G/G routers Sub-network Service Provider through which CPDLC messages are deliveredSub-network Service Provider through which CPDLC messages are delivered ARINC G/G router interfaces with FAA G/G router via NADIN PSN using X.25ARINC G/G router interfaces with FAA G/G router via NADIN PSN using X.25

Page 8 En Route Controller Pilot Data Link Communications Build IA Service (6/03 - 6/06) National CPDLC capabilityNational CPDLC capability –Key Site IOC: June 2003-Miami –National deployment of CPDLC capability Begin installation Jan 2004Begin installation Jan 2004 Complete installation December 2004Complete installation December 2004 Increases the message set to accommodate assignment of speeds, headings, altitudes as well as a route clearance functionIncreases the message set to accommodate assignment of speeds, headings, altitudes as well as a route clearance function Capability to handle pilot-initiated altitude requestsCapability to handle pilot-initiated altitude requests Uses VDL-2 as A/G Sub networkUses VDL-2 as A/G Sub network Anticipate widespread industry participationAnticipate widespread industry participation

Page 9 Planned FAA ATN G/G Backbone Routing Domain FAA ATN G/G backbone RD to support national communication requirements for handling CPDLC message traffic and system managementFAA ATN G/G backbone RD to support national communication requirements for handling CPDLC message traffic and system management ATN Message Handling System (AMHS,) processes, converts and stores ATN-to-AFTN, and AFTN-to-ATN messagesATN Message Handling System (AMHS,) processes, converts and stores ATN-to-AFTN, and AFTN-to-ATN messages

Page 10 Conceptual ATN/VDL-2 Network Airlines select their own service providerAirlines select their own service provider Service provider required to meet FAA’s interface requirements to the FAA ATN Backbone RDService provider required to meet FAA’s interface requirements to the FAA ATN Backbone RD

Page 11 En Route Controller Pilot Communications Build II Service (6/06 and beyond) CPDLC Build II:CPDLC Build II: –Additional ATN message services –Implement ICAO SARPs ATN security directory service and system management requirements –Continued use of VDL-2 as A/G Sub network –Integration with Decision Support Tools

Page 12 Conceptual En Route ATC NEXCOM A/G Digital Voice Communications Capability ( Beyond)

Page 13 Conceptual En Route ATC NEXCOM A/G Digital Voice Communications Capability ( Beyond) Digital voice communications capability from A/G remote radio sites and BUEC sitesDigital voice communications capability from A/G remote radio sites and BUEC sites –Radio Interface Unit (RIU) –Multi Mode Digital Radio MDR supports: analog voice 25Khz, analog voice 8.33Khz and VDL Mode 3.MDR supports: analog voice 25Khz, analog voice 8.33Khz and VDL Mode 3. RIU provides radio control functionality for both digital and analog radiosRIU provides radio control functionality for both digital and analog radios GNI hosts the VDL-3 sub- network and interfaces to voice switchesGNI hosts the VDL-3 sub- network and interfaces to voice switches

Page 14 Conceptual En Route ATC Digital Voice & Data Communications System Architecture ( )

Page 15 Voice Switches, Next Generation Communications (NEXCOM) and En Route Controller Pilot Data Link (CPDLC) Implementation Path

Page 16 Future of Other Domains Post 2011Post 2011 –NEXCOM migration to TRACONS –NEXCOM migration to Towers –End to End Digital Voice Far TermFar Term –NEXCOM to FSS –Voice Switch Installations ETVS ongoing to 2005ETVS ongoing to 2005 AFFS Voice through 2009AFFS Voice through 2009 VSCS Replacement beginning 2007VSCS Replacement beginning 2007

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