xPOS Precision Satellite Positioning Engine
Real-time centimeter-level positioning accuracy
Since its inception from 2018, xPOS has been powering millions of precision units worldwide. Unlike traditional GNSS RTK engines, xPOS can power consumer-grade GNSS chips (the GNSS chip inside a smartphone or car) to unparalleled accuracy, with positioning accuracies of up to 2 centimeters real time or 3 ~ 5 millimeters post-processed.
xPOS has a really tiny resource requirement, with a flash size of ~40 KB and RAM size of ~300 KB. It is RTOS independent and is compatible with all mainstream CORS networks. It can power high rate full constellations(GPS+Galileo+Glonass+ BDS simultaneously) RTK on Cortex M4 MCU (no double precision hardware support).
xPOS can also be tightly coupled with IMU sensors to deliver continuous and reliable positioning in GNSS denied environment.
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