802.11p and LTE/LTE-A based vehicle networking message propagation method
2013
The invention relates to an 802.11p and LTE/LTE-A based vehicle networking message propagation method, which is characterized in that a GPS information collection module collects the running speed, the running direction and positional information of a vehicle, a 802.11p communication module of a vehicle which is in the same road section and runs in the same direction and a 802.11p communication module located in an effective communication range form an Ad hoc network, vehicles in the Ad hoc network form a vehicle cluster, the cluster head sends a secure message to an LTE/LTE-A base station at a scheduled time interval, and the LTE/LTE-A base station updates a road table of the vehicle cluster; in an emergency case, vehicles in the same vehicle cluster use the 802.11p communication module to carry out message broadcasting, the cluster head sends the message to the LTE/LTE-A base station, and the LTE/LTE-A base station broadcasts the message to the cluster head of a related vehicle cluster according to the vehicle cluster road table. The 802.11p and LTE/LTE-A based vehicle networking message propagation method has the advantages of high practicability, low deployment cost and the like.
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