Position Navigation and Timing Applications | Chaz Dixon | March 2015
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The document discusses the applications and efficiency improvements brought by Global Navigation Satellite Systems (GNSS), including GLONASS and Galileo, for local authorities. It highlights benefits such as free access, global availability, and high accuracy for navigation, tracking, and fleet management. Specific use cases mentioned include locating infrastructure issues, tracking vulnerable individuals, and optimizing vehicle management.
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Position Navigation and Timing Applications | Chaz Dixon | March 2015
- 1. Position Navigation and Timing Applications for Making Efficiencies Using Satellites “It’s not rocket science” A Discovery Day for Local Authorities Chaz Dixon Deputy CTO March 2015
- 2. Global Navigation Satellite System(s) Glonass Galileo GNSS provide: • Position • Timing • Velocity Space Segment User Segment Ground Segment COMPASS 12/03/2015 Commercial-In-Confidence & Used for: • Navigation • Tracking • Fleet Mgmt., •…
- 3. GNSS Principles of Operation Onboard precision clock Receiver clock Receiver • Generates PRN sequences – correlates with received GNSS signals to measure (pseudo)ranges. • Combines ranges to derive PVT (position, velocity, & time) PVT GNSS Satellite 12/03/2015 Commercial-In-Confidence
- 4. GNSS in Modern Society 12/03/2015 Location TIMING Communication Surveillance Commercial-In-Confidence
- 5. Why GNSS? • Free at point of use • Global • Available 24/7 • Receivers low cost, lightweight, widely available, … • Impressive accuracy ((a) few m; (b) ~cm) • Reliable • & gets integrated with other useful stuff • Maps (context for precise location, routes, …) • Databases (of pretty much anything) • I.T. & Communications (facilities, nearby things, email, instructions) 12/03/2015 Commercial-In-Confidence
- 6. Example Uses Locating • Identify a missing manhole cover / mark a pothole for repair • (Precision survey for building / subsidence / ownership / …) Tracking & Tagging • Lone workers, aging and vulnerable people • Assets • (Low-risk criminals) • Theft protection / where did I leave that Car / JCB / Sample of ? Vehicles & Fleet Management • Driving style (e.g. fuel efficiency), conformance with the law, evidence • Tagging Deliveries, Collections, … • Efficient routing, Optimisation of x y z 12/03/2015 Commercial-In-Confidence
- 7. Example: GPS Trackers – System View 12/03/2015 Commercial-In-Confidence Remote access on smartphone
- 9. Thanks You! Questions? Chaz Dixon Deputy CTO chaz.dixon@sa.catapult.org.uk