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U-blox firmware update adds QZSS CLAS to ZED-F9R

Photo: u-blox

Photo: u-blox

U-blox has released a new firmware update for its ZED-F9R high-precision GNSS dead-reckoning modules. The update extends the range of supported positioning augmentation services.

With the update, the u-blox ZED-F9R-03B adds support for Japan’s QZSS CLAS correction services, extending the geographical market reach of the ZED-F9R and increasing the scalability of applications using the module. It also now supports SPARTN 2.0, a service from u-blox that delivers correction data based on the SPARTN protocol.

The ZED-F9R module was designed for use in autonomous automotive and industrial applications that require simple and efficient implementation. It is used where rapid access to highly accurate positioning data is key, even in challenging signal environments such as dense cities. Typical applications include slow-moving use cases such as robotic lawnmowers and shared e-scooters.

The module has an integrated inertial measurement unit (IMU) for real-time kinematic (RTK) positioning. It employs sophisticated algorithms to fuse the IMU data with GNSS measurements, wheel ticks, correction service data, and a vehicle dynamics model to provide centimeter-level positioning accuracy even in situations where GNSS alone would fail. It is based on the u-blox F9 multi-band GNSS receiver platform, which concurrently tracks up to four GNSS constellations, providing high-quality positioning accuracy.

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