Method for vehicle-mounted Ad Hoc network based on improved AODV (Ad Hoc Ondemand Distance Vector) protocol
A protocol and network technology, applied in the field of vehicle-mounted Ad Hoc network based on the improved AODV protocol, which can solve the problem that the AODV protocol does not have a good solution, the selection of stable routes and delays have not been studied in depth, and the control overhead has not been considered. problem, to achieve the effect of improving routing reliability and data transmission success rate, preventing flood broadcast, and reducing overhead
Active Publication Date: 2012-11-07
SHANGHAI JIAO TONG UNIV
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The invention discloses a method for a vehicle-mounted Ad Hoc network based on an improved AODV (Ad Hoc Ondemand Distance Vector) protocol. The method comprises the following steps that (1) at a route discovery stage, when a source node has data to transmit to a destination node, an RREQ (Route Request) message is produced and transmitted to an adjacent node, and the node which receives the RREQ message can keep on transmitting the RREQ message only when meeting the stability condition; (2) at a route selection state, the destination node selects a route with maximal route expiration time from multiple routes as a relatively stable route, and replies an RREP(Route Reply) message; and (3) at a data transmission stage, after receiving the RREP message, the source node selects the relatively stable route to carry out data transmission. Due to the adoption of the technical scheme, the control overhead in the vehicle-mounted Ad Hoc network can be reduced, and the router reliability and the data transmission success rate are improved.
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