GPS Modernization: UN/UAE/US Workshop on GNSS Applications
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UN/UAE/USUN/UAE/US WorkshopWorkshop OnOn GNSSGNSS ApplicationsApplications Dubai,Dubai, UAEUAE SessionSession 1:1: TrendsTrends inin SatelliteSatellite--basedbased NavigaitonNavigaiton SystemsSystems GPSGPS Modernization:Modernization: OnOn tthehe RoadRoad toto thethe FutureFuture GPSGPS IIR/IIRIIR/IIR-M-M andand GPSGPS IIIIII Michael Shaw Director, Navigation Systems Global Business Development Lockheed Martin Space Systems Company January 16, 2011 GPS/GNSSGPS/GNSS asas aa GlobalGlobal UtilityUtility GPS/GNSS has become a critical component of today’s global information infrastructure Scalable applications enable broad capabilities facilitating innovations in efficiency, safety, security, environmental, and science – Mainstay of transportation systems worldwide, providing positioning, navigation and timing for aviation, ground and maritime operations – Farmers, surveyors, and geologists perform their work more efficiently, safely, economically and accurately using GPS signals – Disaster relief and emergency services depend upon GPS for location and timing capabilities in their life-saving missions – Banking, mobile phone operations and the control of power grids are facilitated by the accurate timing provided by GPS 1 PIRA APPR #SSA20091107 GPS/GNSSGPS/GNSS -- aa ComponentComponent ofof thethe GlobalGlobal CriticalCritical InformationInformation InfrastructureInfrastructure AviationAviation PrecisionPrecision AgricultureAgriculture SurveyingSurveying && MappingMapping CommunicationsCommunications PowerPower DiseaseDisease ControlControl GridsGrids TruckingTrucking ShippingShipping PersonalPersonal NavigationNavigation FishingFishing && OilOil ExplorationExploration BoatingBoating GPSGPS ConstellationConstellation StatusStatus 3131 HealthyHealthy SatellitesSatellites BaselineBaseline Constellation: Constellation: 24 24 11 Block IIA satellites 12 Block IIR satellites 8 Block IIR-M satellites (7 operational) – 1 IIR-M in “test” mode – SVN-49 1 Block IIF satellite (SVN 62, PRN 25) – Launched 27 May 2010 – Set Healthy 30 August 2010 – First Operational L5 (third civil signal) – Excellent GPS clock performance • Next IIF Launch Mid 2011 3 GPSGPS SystemSystem OverviewOverview Space Segment User Segment GroundGround AntennasAntennas MonitorMonitor MasterMaster ControlControl StationStation StationsStations FAIRBANKS ENGLAND COLORADO SPRINGS SOUTH USNO WASH D.C. KOREA Control Segment VANDENBERG, AFB CAPE CANAVERAL BAHRAIN HAWAII MastMasterer CoContrntrolol StStatiationon KWAJALEIN Master Control Station ASCENSION ECUADOR DIEGO Ground Antennas (GA) Monitor Stations (MS) GARCIA TAHITI National Geospatial-Intelligence Agency (NGA) Station National Geospatial-Intelligence Agency (NGA) Station SOUTH AFRICA Alternate Master Control Station (AMCS) ARGENTINA Slide 4 NEW ZEALAND4 PIRA APPR #SSA20091107 OverviewOverview GPS Modernization GPS IIR/IIR-M GPS IIIA The Road Ahead 5 PIRA APPR #SSA20091107 ModernizationModernization PathPath –– GPSGPS SpaceSpace SegmentSegment 1978 - 1985 1989 – 1997 1997- 2004 2005 - 2009 2010 - Present 2014 – 2024 Block I Block II/IIA Block IIR Block IIR-M Block IIF Block III 11 (10) Satellites 28 Satellites 13 (12) Satellites 8 Satellites 12 Satellites 32 Satellites Demonstration Basic GPS IIA/IIR Capabilities IIR ‐M Capabilities IIF Capabilities system Provides Initial Navigation Capabilities “Plus” “Plus” “Plus” • L1 (CA) Navigation • Std Service • 2nd Civil Signal L2 • 3rd Civil Signal L5 IIIA signal • Single Frequency (L1) (L2C) • Reprogrammable • Increased accuracy • L1 & L2 (P Code) • C/A code navigation • Earth Coverage Nav Processer • Increased Earth Navigation signal • Precise Service M‐Code on L1/L2 • Increased Accuracy Coverage power • 5 Year Design Life • Two frequencies (L1 & L2) • L5 Demo requirement • 15 Year Design Life • P (Y) ‐Code navigation • Anti‐Jam Flex • 12 Year Design Life • 4th Civil Signal (L1C) • 7.5 Year Design Life Power IIIB • 7.5 Year Design • Real‐time Life Communications IIIC • Navigation Integrity • Spot Beam for AJ Increasing Space System Capabilities – Increasing Military/Civil User Benefits 6 GPSGPS ModernizationModernization PathPath GPS IIR/IIR-M – majority of the on orbit satellites today – Modernization of last 8 GPS IIR satellites (IIR-M) accelerated acquisition of the GPS modernization capabilities • 2nd civil signal (L2C) and demonstration 3rd civilian signal (L5) • 1st GPS IIR-M in operation for over 5 years – December 2005 1st GPS IIF launched 27 May 2010– finished checkout Aug 30 – Operational 3rd civilian signal (L5) and 2nd civil signal (L2C) – 11 additional GPS IIF satellites currently available for launch GPS III planned for up to 32 satellites – First GPS IIIA satellite planned available for first launch in 2014 GPS III built on heritage of highly successful IIR/IIR-M programs GPSGPS IIR/IIR-MIIR/IIR-M HistoryHistory Twenty GPS IIR/IIR-M space vehicles on orbit today – 1st GPS IIR in operation for over 12 years – January 1998 – 19 spacecraft currently operational with well over 120 spacecraft-years to date • Improved overall GPS constellation accuracy • Exceptional payload reliability (>99.7%) Modernization of last 8 GPS IIR (IIR-M) added the following additional capabilities – 2nd Civil Signal - provides ionospheric correction capability for civil users with L2C capability • 1st L2C NAV broadcast - September 2009 • Allowed manufacturers to start early receiver development – M-code - provides second set of military codes for L1 and L2 • Improved anti-jamming through flexible power capability – Flexible design allowed demonstration of third civilian signal (L5) – 1st L5 signal transmitted in April 2009 to establish frequency filing 8 PIRA APPR #SSA20091107 100.0% 90.0% 80.0% 100.0% 70.0% 60.0% 99.0% 50.0% 98.0% Constellation Availability 40.0% 97.0% 30.0% 96.0% Availability 20.0% 95.0% Total Availability 10.0% Scheduled CS Outages 94.0% UnscheduledCSOutages 0.0% 0.05% Scheduled SV Outages 93.0% 9 GPS IIR/IIR-M Performance Unscheduled SV Outages 0.10% 92.0% Total Outage Time 0.07% 91.0% 0.03% 90.0% IIR Outage to Operational Ratio on-orbit operations as of Jun 10 99.75% Yellow Circle is Total Outage Time Red is Unscheduled SV Outage Time IIR SV Lifetime Navigation Availability greater than 99.7% v a ila b ilit 120 years of successful IIR/IIR-M PIRA APPR #SSA20091107 GPSGPS IIR/IIRIIR/IIR--MM PerformancePerformance Lifetime Estimated Range Deviations (ERDs) 5.0 45 55 57 50 43 46 51 44 41 54 47 59 60 61 53 52 58 48 56 AEP LAII 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Avg Daily Constellation Peak ERD - IIR Avg Daily Constellation Peak ERD - ALL Avg Daily Constellation Peak ERD -II/IIA Growing GPS IIR/IIR-M constellation consistently decreasing user error 10 PIRA10 APPR #SSA20091107 GPSGPS IIIIII ProgramProgram Next Generation GPS – Improved performance for both military and civilian users – Superior system security, accuracy, and reliability Strategic Teammates – U.S. Air Force (Los Angeles, CA) – Lockheed Martin Space Systems Company (Newtown, PA) – ITT Corporation (Clifton, NJ) – General Dynamics (Scottsdale, AZ) Heritage of Success – GPS IIR/IIR-M success – Time-tested A2100 bus Low risk solution to satisfying on-going GPS modernization 11 PIRA APPR #SSA20091107 GPSGPS IIIIII ProgramProgram GPS III includes 32 vehicles in three blocks – A -- 2 RDT&E space vehicles with 6 priced production vehicles – B -- 8 space vehicles adding network communications capability – C -- 16 space vehicles adding spot beam and integrity 15 May 08 - Lockheed Martin was selected as the prime contractor for designing and producing GPS IIIA Design work to be performed in Newtown, Pennsylvania Assembly, Test and Integration will be performed in the Lockheed Martin Waterton Facility in Denver, Colorado 12 PIRA APPR #SSA20091107 GPSGPS IIIIII CapabilityCapability InsertionInsertion GPS IIIA – Increased accuracy – Increased Earth Coverage Power – Additional civil signal (L1C) • Interoperable with Galileo, Compass, QZSS, etc. – Bus capacity for IIIB and IIIC GPS IIIB – Real-time command and control cross-links • Allows upload satellites via single contact • Improves constellation accuracy GPS IIIC – High-power spot beam • Provides increased anti-jamming capability for the military Images Courtesy of USAF – Improved integrity Flexible transition and content of future blocks reduces program risk 13 PIRA APPR #SSA20091107 AccuracyAccuracy ImprovementsImprovements Accuracy Enhancements 3.5 3.0 (meters) 2.5 URE RMS 2.0 hrs 1.5 System 24 1.0 3x 0.5 15x Specified 0 IIR‐M/IIF GPS IIIA GPS IIIB Specified URE Impacts User Platform CostCost and ComplexityComplexity 14 Pre-Award - Risk mitigation Contract - 72 months to May 2008 2014 Award Images Courtesy of USAF 1st launch PIRA APPR #SSA20091107 GPS III Schedule First Critical DesignMission Review – August 2010 IIIA 2015 Integrated Validated detailed GPS IIIA design; production phase started Baseline Oct 2008 - Technical - Schedule - Performance 2016 2017 Preliminary - Multiple subsystem and element reviews May 2009 Design 2018 2-4 missions per year 2019 - Multiple subsystem August 2010 and element reviews Critical Design * notional representation Today 2020 Production (2 months ahead of schedule) 2021 - Engineering Models - Component Qualification - Flight Production and Test First IIIA Ready for 2nd Qtr 2014 2023 Launch Final Mission IIIC 2024 : 15 ModernizationModernization PathPath –– GPSGPS ControlControl SegmentSegment 1978 - 1985 1989 – 1997 1997- 2004 2005 - 2009 2010 - Present 2014 - 2024 Block I Block II/IIA Block IIR Block IIR-M Block IIF