TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation (TOKYO:6503) announced today that it began field testing the world’s first autonomous driving technology on highways to use a centimeter-level augmentation service (CLAS) broadcast from the Quasi-Zenith Satellite System (QZSS) on September 19. Driving tests will be conducted to verify the possibility of infrastructural driving, utilizing CLAS signals and high-precision 3D maps combined with Mitsubishi Electric’s intelligent driving technology, including sensing technologies such as millimeter-wave radar and cameras.
CLAS is a positioning-augmentation service for high-precision positioning, distributed free of charge in Japan from the QZSS, which operates under the auspices of the Cabinet Office. CLAS is scheduled to begin operating in April 2018 and is currently in the final stages of verification. It is expected to be used for practical applications such as safe-driving assistance and automated driving.
Satellite positioning is used for daily-life solutions that receive
positioning signals transmitted by global navigation satellite systems
(GNSS*) operated in various countries. The precision of
existing solution is limited to within a few meters because of errors
due to satellite orbits, satellite clocks and satellite biases as well
as local environmental factors such as ionospheric and tropospheric
delays. CLAS improves precision by using positioning-augmentation data
from a network of continuously operating reference stations (CORS**)
administrated by the Geospatial Information Authority of Japan. The data
is broadcast via the QZSS to high-precision positioning receivers
installed in automobiles that can detect locations with centimeter-level
accuracy.
* Navigation satellite constellations such as GPS
**
Possesses defined coordinates and observes GNSS satellite parameter.
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