Patent ID: 8570930

Claim:
A vehicle multihop protocol (VMP) unicast apparatus, comprising: a message processing unit extracting first node information on at least one neighbor node by broadcasting a hello message to the neighbor node, and generating and transmitting a unicast message on the basis of the first node information; a location information processing unit receiving location information data on a node and verifying second node information of the node included in the location information data; a vehicle location processing unit storing the second node information received from the location information processing unit, verifying the location of a destination node to which the unicast message will be transmitted, and routing the unicast message, wherein the first node information includes location information and speed information of the neighbor node and the second node information includes information including the location of the node, the speed of node, a movement direction, and time information; and a forwarder selecting unit verifying a location of a destination node, transferring a location response message to a source node by unicast based on the first node information, and selecting a forwarder to forward a packet.