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Analysis: How does DSRC technology let cars know that the road ahead is dangerous? ã€full text】
Scientific and technological developments, according to the World Health Organization, each year 1.25 million fatal accidents to happen in the world. If vehicle technology is used to effectively send safety-related information to vehicles, it can help drivers and vehicles better cope with dangerous road conditions, thereby avoiding death.
V2X communication allows traffic jams to inform other vehicles in the vicinity to avoid rear-end collisions. Data collected by car sensors such as radar, laser radar, and cameras can be shared wirelessly, allowing vehicles to see the turning conditions, understand the upcoming danger of corners, and avoid collisions at intersections. For V2X communication, DSRC technology is the key, it has been confirmed as the V2V standard by the US Department of Transportation.
Analysis: How does DSRC technology let cars know that the road ahead is dangerous?
DSRC (Dedicated Short Range Communications) is a dedicated short-range communication technology. DSRC is an efficient wireless communication technology that provides high-speed data transmission and guarantees low latency and low interference of communication links. Vehicles with an on-board unit (OBU) and roadside units (RSU) are installed, and vehicle-to-vehicle communication (V2V) and vehicle and roadside infrastructure communication (V2I) can be achieved through DSRC-specific short-range communication technology.
Currently DSRC is widely used in vehicle (Vehicle to vehicle; V2V), vehicle to roadside device (V2R), and V2P wireless communication communication technology. Road safety is a matter of seconds, and delays can result in irreparable tragedies. DSRC's greatest feature is its low latency for message delivery.
In the case of a chain-attack on a highway as an example, an emergency brake suddenly appeared in front of a vehicle. In this scenario, only this vehicle can “seeâ€, but there are still more vehicles behind it that cannot see the front at the first time. In the state, only the front brake light message can be transmitted, and one vehicle can continue to pass. Only one vehicle can be stopped, but if it does not brake in time, it will all crash into a pile.
The advantages of short-range wireless communication technology are real-time and transitive. The above example shows that if all vehicles communicate through DSRC, as long as the first car is in emergency braking, the entire vehicle will receive this message at the same time. There is no need to pass messages through the brake lights. This will effectively increase the response time of all vehicles and reduce collision accidents.
In addition, the car-link gateway is almost safe for pedestrians and pedestrians. Therefore, the authenticity of shop information and information security protection are extremely important, and the Autotalks V2X chipset adopts Truely Secure solution to reduce hackers' attacks through Multiple Defense Layers. And various potential unauthorised signal visits.