Calculates synthetic altitude via horizontal distance and glide path angle to resolve terrain-induced radio altimeter inaccuracies.
Roadside devices transmit reproduction control data to vehicle-mounted units, matching position conditions to ensure timely content delivery.
A traffic condition recognition system uses digital road maps to assign speed thresholds for different road types and categories.
A vehicle alerting system detects preceding vehicle movement using existing sensors and cameras to notify the driver.
A decision-making unit evaluates traffic conditions before downloading telematics information to reduce network load while maintaining data completeness.