Page 1

FAA Future Air/Ground Communications FAA Future Air/Ground Communications System ArchitectureSystem Architecture

James WilliamsJames Williams

Integrated Product Team LeadIntegrated Product Team LeadCommunications SystemsCommunications Systems

ATN-2000 ATN-2000 26 September 200026 September 2000

Page 2

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

Page 3

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

Page 4

En Route Controller Pilot Data LinkEn Route Controller Pilot Data LinkCommunications Build I (6/2002 - 6/2003)Communications Build I (6/2002 - 6/2003)

• Single-site data link capabilitySingle-site data link capability– Key Site: MIA Air Route Traffic Control Ctr.Key Site: MIA Air Route Traffic Control Ctr.

– Key site Initial Operational Capability (IOC):Key site Initial Operational Capability (IOC):Jun 2002Jun 2002

• Provide 4 operational servicesProvide 4 operational services– Transfer of CommunicationTransfer of Communication

– Initial ContactInitial Contact

– Altimeter SettingAltimeter Setting

– Informational free text menu capabilities built by supervisor inputsInformational 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 Log-on service that allows initial aircraft

introductionintroduction

– A directory of all other data link A directory of all other data link applications on the aircraftapplications on the aircraft

Data Link Application Processor (DLAP) Data Link Application Processor (DLAP) SystemSystem

• Currently in development and will be Currently in development and will be deployed to Miami ARTCCdeployed to Miami ARTCC

• CPDLC ATN ApplicationCPDLC ATN Application– Processes uplinks and downlinks exchanged Processes uplinks and downlinks exchanged

between the controllers and pilotsbetween the controllers and pilots

– Maintains a transaction database of outstanding Maintains a transaction database of outstanding CPDLC messagesCPDLC messages

Page 6

FAAFAA Aeronautical Telecommunication Network Aeronautical Telecommunication Network (ATN) Ground-to-Ground (G/G) Router(ATN) Ground-to-Ground (G/G) Router

• Router currently in development Router currently in development and will be deployed to Miami and will be deployed to Miami ARTCC as a “single FAA ATN G/G ARTCC as a “single FAA ATN G/G router”router”

• Interfaces with NADIN PSN using Interfaces with NADIN PSN using X.25X.25

• FAA ATN G/G Router:FAA ATN G/G Router:– Coordinates routing with the service provider (ARINC for Coordinates routing with the service provider (ARINC for

Build I)Build I)– Routes messages between the HID/NAS LAN router and Routes messages between the HID/NAS LAN router and

the VDL-2 service provider routerthe VDL-2 service provider router

Page 7

Conceptual ARINC ATN/VDL-2 NetworkConceptual ARINC ATN/VDL-2 Network

• Infrastructure will be Infrastructure will be employed to provide employed to provide coverage for Miami ARTCC coverage for Miami ARTCC airspace utilizing A/G and G/G airspace utilizing A/G and G/G routersrouters

• Sub-network Service Provider Sub-network Service Provider through which CPDLC through which CPDLC messages are deliveredmessages are delivered

• ARINC G/G router interfaces ARINC G/G router interfaces with FAA G/G router via with FAA G/G router via NADIN PSN using X.25NADIN PSN using X.25

Page 8

En Route Controller Pilot Data LinkEn Route Controller Pilot Data LinkCommunications Build IA Service (6/03 - 6/06)Communications Build IA Service (6/03 - 6/06)

• National CPDLC capabilityNational CPDLC capability– Key Site IOC: June 2003-MiamiKey Site IOC: June 2003-Miami– National deployment of CPDLC National deployment of CPDLC

capabilitycapability• Begin installation Jan 2004Begin installation Jan 2004• Complete installation December 2004Complete installation December 2004

• Increases the message set to Increases the message set to accommodate assignment of accommodate assignment of speeds, headings, altitudes as speeds, headings, altitudes as well as a route clearance functionwell 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 Planned FAA ATN G/G Backbone Routing DomainRouting Domain

• FAA ATN G/G backbone FAA ATN G/G backbone RD to support national RD to support national communication communication requirements for handling requirements for handling CPDLC message traffic CPDLC message traffic and system managementand system management

• ATN Message Handling ATN Message Handling System (AMHS,) System (AMHS,) processes, converts and processes, converts and stores ATN-to-AFTN, and stores ATN-to-AFTN, and AFTN-to-ATN messagesAFTN-to-ATN messages

Page 10

Conceptual ATN/VDL-2 NetworkConceptual ATN/VDL-2 Network

• Airlines select Airlines select their own service their own service providerprovider

• Service provider Service provider required to meet required to meet FAA’s interface FAA’s interface requirements to requirements to the FAA ATN the FAA ATN Backbone RDBackbone RD

Page 11

En Route Controller Pilot Communications En Route Controller Pilot Communications Build II Service (6/06 and beyond)Build II Service (6/06 and beyond)

• CPDLC Build II:CPDLC Build II:– Additional ATN message servicesAdditional ATN message services– Implement ICAO SARPs ATN security Implement ICAO SARPs ATN security

directory service and system directory service and system management requirementsmanagement requirements

– Continued use of VDL-2 as A/G Sub Continued use of VDL-2 as A/G Sub networknetwork

– Integration with Decision Support ToolsIntegration with Decision Support Tools

Page 12

Conceptual En Route ATC NEXCOM A/G Conceptual En Route ATC NEXCOM A/G Digital Voice Communications Capability Digital Voice Communications Capability (2008 - Beyond)(2008 - Beyond)

Page 13

Conceptual En Route ATC NEXCOM A/G Conceptual En Route ATC NEXCOM A/G Digital Voice Communications Capability Digital Voice Communications Capability (2008 - Beyond)(2008 - Beyond)

• Digital voice communications Digital voice communications capability from A/G remote capability from A/G remote radio sites and BUEC sitesradio sites and BUEC sites– Radio Interface Unit (RIU)Radio Interface Unit (RIU)– Multi Mode Digital RadioMulti Mode Digital Radio

• MDR supports: analog voice MDR supports: analog voice 25Khz, analog voice 8.33Khz 25Khz, analog voice 8.33Khz and VDL Mode 3.and VDL Mode 3.

• RIU provides radio control RIU provides radio control functionality for both digital functionality for both digital and analog radiosand analog radios

• GNI hosts the VDL-3 sub-GNI hosts the VDL-3 sub-network and interfaces to network and interfaces to voice switchesvoice switches

Page 14

Conceptual En Route ATC Digital Voice & Conceptual En Route ATC Digital Voice & Data Communications System Architecture Data Communications System Architecture ( 2011 +)( 2011 +)

Page 15

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

Page 16

Future of Other DomainsFuture of Other Domains

• Post 2011Post 2011– NEXCOM migration to TRACONSNEXCOM migration to TRACONS– NEXCOM migration to TowersNEXCOM migration to Towers– End to End Digital VoiceEnd to End Digital Voice

• Far TermFar Term– NEXCOM to FSSNEXCOM to FSS– Voice Switch InstallationsVoice Switch Installations

• ETVS ongoing to 2005ETVS ongoing to 2005• AFFS Voice through 2009AFFS Voice through 2009• VSCS Replacement VSCS Replacement

beginning 2007beginning 2007

Page 17

Questions?Questions?

Visit our Website:Visit our Website:

www.faa.gov/and/and300/and360www.faa.gov/and/and300/and360