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U.S.
Department of Transportation
TECHNOLOGY FOR SAFETY – 5.9 GHZ DSRC
§What it is
□Wi-fi
radio product
□Adapted
for high speed environment
□Cheap to
produce in quantity
§How the technology
works
□Messages
transmitted at 10 times/sec
▪Basic Safety Message (vehicle size,
position, speed, heading acceleration, brake system
status)
□Operating
range of 300 meters (line-of-sight)
§Benefits of the
technology
□Reduced
Price
□Less
False Alarms à Delayed
warnings
□More
Crash Scenarios à Increased performance
▪Can communicate “thru” other vehicles and blind
intersections
§Drawback of the
technology à Both vehicles need to be
equipped
