Intelligent Vehicular Monitoring Using Multi-Hop Wireless System
Intelligent Vehicular Monitoring Using Multi-Hop Wireless System
ABSTRACT:-
The accurate location of the accident spot is the key for the correct evaluation of a link between road and accident process and for right choice of improvement measures in vehicular monitoring systems.
A Multi-hop based wireless adhoc network of nodes can disseminate critical safety information in alert packets. The nodes can be embedded in vehicles. The alert can be used to trigger emergency responses resources. For example, the network can signal unusual events such as accidents, disabled vehicles or road obstructions to operators in nearby vehicles. When the vehicles are equipped with the wireless nodes, the information can easily be broadcast and propagated along the road until the desired destination service center is reached.
Now this concept is used in vehicular accidents to get a medical emergency assistance. When an accident occurs on a road, this is sensed as an event in both victimized vehicles (source node) and an alert packet is broadcast in response to sensing the event. This alert packet is received by a set of candidate nodes (nearby passing vehicles) within a broadcast range of a source node. Each candidate node infers distance between the candidate node and the source node based on the receive power of received alert packet and determines a priority for rebroadcasting the alert packet, wherein the priority is based on the distance to minimizing a probability of collisions while rebroadcast the alert packet and extend a range of the broadcasting.
The accurate location of the accident spot is the key for the correct evaluation of a link between road and accident process and for right choice of improvement measures in vehicular monitoring systems.
A Multi-hop based wireless adhoc network of nodes can disseminate critical safety information in alert packets. The nodes can be embedded in vehicles. The alert can be used to trigger emergency responses resources. For example, the network can signal unusual events such as accidents, disabled vehicles or road obstructions to operators in nearby vehicles. When the vehicles are equipped with the wireless nodes, the information can easily be broadcast and propagated along the road until the desired destination service center is reached.
Now this concept is used in vehicular accidents to get a medical emergency assistance. When an accident occurs on a road, this is sensed as an event in both victimized vehicles (source node) and an alert packet is broadcast in response to sensing the event. This alert packet is received by a set of candidate nodes (nearby passing vehicles) within a broadcast range of a source node. Each candidate node infers distance between the candidate node and the source node based on the receive power of received alert packet and determines a priority for rebroadcasting the alert packet, wherein the priority is based on the distance to minimizing a probability of collisions while rebroadcast the alert packet and extend a range of the broadcasting.
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