GNSS (GPS, GBAS, SBAS, ABAS, Future GNSS)

Objectifs

This course emphasizes the fundamentals of GNSS; it provides details on GPS system and signals, on the source and nature of various error source in satellite navigation systems, their impact, and methods for mitigation. It presents current and future GNSS systems including augmentation systems and Galileo.

Participants

Engineers and executives.

Contenu

GPS principles: concept, constraints
GPS characteristics
  • Segments

  • Spatial and temporal frames

  • Navigation message

GPS signal structure: structure of the transmitted
GPS signal processing
  • Acquisition

  • Tracking

  • Navigation solution

GPS precision,GPS error budget (UERE)
  • Receiver technologies and tracking loops

  • Antenna technologies

  • Satellite orbit errors and clock errors

  • Signal Multipath Error characterization and mitigation techniques

  • Troposphere error sources, characterization and mitigation (simple)

  • Ionosphere error sources, characterization and mitigation (simple) DOP concepts

Satellite based Augmentation System
  • System overview

  • Typical architecture an implementation

  • Performance

Airborne Based Augmentation System
  • Principle, Detection/exclusion function, protection levels

  • RAIM implementation

  • AAIM implementation

Future GNSS systems (GNSS 2)
GALILEO
  • Program

  • Services

  • Architecture

  • Signals

Evolutions of GPS
GLONASS, COMPASS, QZSS, IRNSS
International Cooperation

For information only : 12 hours