Protection Augmentation Toughness and Alternatives of GNSS. Melaha 2016 Concord Al-Salam Hotel Cairo, April 25,2016 Refaat Rashad
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1 Protection Augmentation Toughness and Alternatives of GNSS Melaha 2016 Concord Al-Salam Hotel Cairo, April 25,2016 Refaat Rashad
2 Road Map of the Presentation 1- How Good are GNSS 2- How Vulnerable are GNSS 3- How we can Protect GNSS
3 Communication T.V. Broadcast *Weather Remote Sensing Navigation PNT Search & Rescue Special purposes
4 United States GPS Europe Galileo Russian Federation GLONASS India Irnas China BeiDou Japan Qzss
5 WIDE AREA AUGMENTATION COVERAGE SBAS BEIDOU COMPASS MSAS QZSS WAAS EGNOS SDSM Russia GAGAN IRNSS
6 U.S. Space-Based PNT (GPS) Organization Structure Defense Transportation State Interior Agriculture Commerce Homeland Security Joint Chiefs of Staff NASA WHITE HOUSE NATIONAL EXECUTIVE COMMITTEE FOR SPACE-BASED PNT Executive Steering Group Co-Chairs: Defense, Transportation NATIONAL COORDINATION OFFICE Host: Commerce ADVISORY BOARD Sponsor: NASA GPS International Working Group Chair: State Engineering Forum Co-Chairs: Defense, Transportation Ad Hoc Working Groups
7 GNSS - a Component of the Global Critical Information Infrastructure Precision Agriculture Surveying & Mapping Aviation Communications Disease Control Power Grids Trucking Shipping Oil Exploration Fishing & Boating Personal Navigation
8 Precise Positioning Applications: Land, Sea, Air Navigation Aviation Marine navigation Intelligent Transport ITS Surveying and Mapping Civil engineering Mining/exploration Precision agriculture GIS Geodetic Datum Communication Time transfer Financial transactions Cellular networks Electrical power grids Scientific Research Sea level change Crustal deformation Environmental studies Lots more applications yet to be conceived
9 WORLED MARITIME GPS USERS Overseas Ports Approach Channels Narrow Waterways Under water Technology Protection AIN, MELAHA and Alternatives 2016, Concord for PNT Al-Salam Naval Academy hotel Cairo Jan. April 24, ,2016 Alexandria
10 Why Maritime
11 MARITIME USER REQUIRIMENTS Availability Accuracy Reliability Continuity Accessibility Integrity This requirements are provided by the GPS and the Augmentation systems Protection AIN, MELAHA and Alternatives 2016, Concord for PNT Al-Salam Naval Academy hotel Cairo Jan. April 24, ,2016 Alexandria
12 GPS have proven to be very accurate. Very Reliable 99.9% of Availability of Applications Millions and millions of Users
13 So, What is The Problem???
14 The problem is GPS and all the other GNSS are Vulnerable to Interferences
15 Risk Considerations Vulnerabilities GNSS System Threats Unintentional Intentional Probability of Loss/Degradation of GNSS Signal Consequences of GNSS Loss: Human Life Environment Economy RISK 15
16 TYPES OF INTERFERENCES &THRAETS Natural Interferences Unintentional Interferences Intentional Interferences
17 Intentional Interferences Jamming Spoofing Protection AIN, MELAHA and Alternatives 2016, Concord for PNT Al-Salam Naval Academy hotel Cairo Jan. April 24, ,2016 Alexandria
18 One web site with 9 PNT jamming devices (They also sell GPS trackers ) Jamming Techniques are Well Known Devices Available, or Can be Built Easily
19 Equivalent Power Ratio Hi-Power Terrestrial - ¼ mile from GPS On order of a Picowatt (10-12 watt) Hi Power Terrestrial Niagara ~ 1 Billion Watts (167 feet drop with 64,750 cubic feet/ second) Same Power Ratio of 5 Billion to One 5 F e e t GPS Watts (1 Tablespoon of water per second through 5 feet )
20 Spoofing
21 AIS ECDIS RADAR GMDSS VDR Auto Pilot EPIRB LRIT Jammer of less than 1 milliwatt: False positions, and speed Autopilot, turn, no alarms! With a little more jammer power: Electronic Chart Displays Autopilot Automatic Identification System Differential GPS Satellite voice and data comms Maritime distress safety system VDR VTS & VTMIS
22 What if there is no Protection for GNSS
23 Possible Jamming / Spoofing Attacks on GPS Terrorism groups Alkaeda, ISIS.BOKOHARAM
24 The Question Is: What should we do to Overcome the Challenges Facing GNSS and PNT? 24
25 Action Areas: Protect, Toughen, Augment and Alternatives Protect the Clear and Truthful Signal Toughen User s Receivers Augment Alternatives for PNT Sources
26 Protection Protection involves * Fast Jammer Detection * Geo-location and * Detention of perpetrator Inforce National Laws and Regulations
27 Toughness Enhanced signals L2c and L1c. Manufacturers agreements over smart and interference resistance receivers
28 Augmenting Enhancing GNSS Accuracy and Integrity through; Ground Augmentations GBAS, DGPS and Space Augmentation SBAS
29 Alternatives Backup PNT Sources Inertial Navigation System INS or, eloran
30 Hi Performance Inertial Navigator (error growth at 0.3 nm/hour) Error growth with time and time squared Errors about 600 meters after 1 hour of operation Optimistic Initial position error 20 meters
31 Back To The History TO Secure the Future eloran is the Way Ahead to Backup GNSS
32 eloran Powerful Signal (up to 100kW) 100 khz 2 D In calibrated area ~10m accuracy THE UK HAS TAKING THE INITIATIVE Risk Perspective For GPS Denial
33 e loran eloran can be implemented by: 1- Updating and/or modifying the existing Loran-c stations 2- Build new eloran beacons
34 Conclusion GNSS Vulnerability Can be Reduced But Not Fully Eliminated Augmentation is Important for Integrity, But Can Not Eliminate Disruptions GPS Disruptions also Impact Timing Independent Backup Systems are Essential for the Critical Applications 34
35
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