Telecoms, Datacoms, Wireless, IoT


GNSS boards for dead-reckoning

28 August 2019 Telecoms, Datacoms, Wireless, IoT

The Locosys RTK-4671-SHDR/MHDR is a high-precision GNSS RTK (global navigation satellite system real-time kinematics) solution targeting the smart driving and lane-level navigation markets.

The newly designed Loco II engine architecture is optimised to offer a seamless experience in dense urban canyons and minimise the time required to fix the position.

The solution comprises a cost-effective GNSS RTK board for centimetre-level positioning and accurate raw measurements output, which can be integrated with autopilots and inertial navigation units. It supports GPS, GLONASS, Beidou, Galileo, QZSS and SBAS constellations to improve the continuity and reliability of the RTK solution even in harsh environments.

Compatibility with other GNSS boards on the market is provided by flexible interfaces, complemented by popular log/command formats with correction data from the CORS network. It also supports both rover and base solutions for those which do not have a public CORS network.

The single-band RTK-4671-SHDR and dual-band RTK-4671-MHDR are powered by an Arm processor, and integrate Flash memory, TCXO, RTC crystal, LNA and SAW filter, and embedded MEMS sensors (6-axis accelerometers plus gyros). The high-precision positioning/dead reckoning receiver offers centimetre-accurate positioning and heading with low power consumption.

Locosys ADR/UDR software includes features to receive and use data from the built-in sensors along with external signals for wheel speed and forward/reverse detection. The vehicle signals are used to provide a high level of accuracy in the navigation solution.



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