Satellite navigation testing

Satellite navigation testing

Creating and simulating satellite-based navigation systems

Developers must extensively test the receivers used in car navigation devices. In a real-world scenario, a moving GNSS receiver may not always receive the signal of all theoretically visible satellites from its current position.

In rural or suburban areas, in tunnels or in parking structures, some satellites may be partly or completely obscured by a wall or other vertical plane. Receivers also experience the additional effects of signal reflections, e.g. due to ground or surrounding buildings. It is therefore necessary to simulate different obscuration and multipath effects in static and moving scenarios.

Faster testing with realtime GNSS signal generation

The R&S®SMBV100A generates dynamic scenarios with up to 24 GPS/SBAS/QZSS, Galileo, GLONASS and BeiDou satellite signals in realtime. This includes moving scenarios, multipath, dynamic power control and atmospheric modeling.

You can simulate the effects of antenna patterns and a vehicle body mask in realtime with dynamic variation of the vehicle's attitude. The R&S®SMBV100A can also easily simulate real-world user environments such as urban canyons, rural areas, tunnels and highways. Buildings, tunnels and bridges as well as reflections from concrete and glass surfaces affect the GNSS signal, regardless of whether the receiver is stationary or in motion.

Be compliant

EN 303 413 describes a number of relevant mandatory test cases on satellite earth stations (SES) for GNSS receivers. This equipment typically operates in the 1164MHz to 1300 MHz and 1559 MHz to 1610 MHz frequency bands. With our T&M solutions, GNSS car manufacturers as well as OEMs can ensure full compliance with EN 303 413.

Benefits of our solutions

  • Realistic: generation of dynamic scenarios in real-time
  • Versatile: real-world simulation
  • Time-saving: Assisted GNSS test scenarios

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