2013年8月8日星期四

Test Measurement Products Sat-nav simulator enables receiver testing in difficult terrain

Test Measurement Products Sat-nav simulator enables receiver testing in difficult terrain

2013/08/08

GNSS simulator

Rohde & Schwarz has introduced a global navigation satellite system (GNSS) simulator, which runs on the SMBV100A vector signal generator.

The SMBV-K101 option allows developers to test GNSS receivers for specific effects such as obscuration and multipath propagation. 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.

For example, if the GNSS receiver of a navigation instrument or smartphone is located inside a vehicle, testing must also take into account the obscuring effect of the vehicle’s metal body. The SMBV-K102 option is designed to simulate this obscuration and, if required, also the additional antenna pattern.

The GNSS simulator in the R&S SMBV100A uses up to 24 satellites to generate signals in real time for GPS with civilian C/A code and military P code as well as for Glonass and Galileo in different constellations.


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