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    The GNSS simulation provides feedback for GPS, Glonass, and Galileo satellites simultaneously.
    1. Technologies
    2. Test & Measurement

    GNSS Simulator Tests Up to 24 Satellites in Realtime

    July 16, 2013
    As part of a vector signal generator, a new GNSS simulator promises to allow testing for specific developing problems such as obstruction from buildings and tunnels and even the metal bodies of vehicles.
    Iliza Sokol

    A new global navigation satellite system (GNSS) simulator aims to create real-world scenarios for automotive and wireless developers by creating scenarios such as obscuration from buildings, tunnels, and bridges and multipath propagation. Running through Rohde & Schwarz’s SMBV100A vector signal generator, the simulator tests GNSS receivers in a variety of stationary and mobile scenarios.

    The GNSS simulator uses up to 24 satellites to generate signals in realtime for GPS with civilian C/A code and military P code, as well as for Glonass and Galileo constellations for smartphone developers. If the receiver is located inside a vehicle, testing takes into account the obscuring effect of the vehicle’s metal body and the subsequent additional antenna patterns. Aerospace and defense applications can be simulated at a rotation rate up to 400 Hz. 

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