The Research On Ad Hoc Routing Protocol Based On Networking Coding

There are many advantages in wireless Ad hoc network, such as flexible, networking fast, invulnerability strongly, without the need for a base station or central node support, etc. which extensively application in military communication, emergency place communication, remote road terrain communication. UAVs network as a wireless Ad hoc network, play an important role in the application in investigation, detection, relay communications, and make UAVs network get more and more attentions, especial in routing and security routing. But communication nodes in UAVs network move fast, so make it faces more challenges in routing and security. The wireless Ad hoc network routing protocol AODV can be applied in UAVs network, but its performance of throughput and data delivery rate are bad and it also lacks of security mechanism. Therefore, in this paper, the wireless Ad hoc network routing protocols and security routing with background of UAVs network were studied.(1)In this paper, In order to promote the performance of throughput and data delivery rate in the UAVs network which employ AODV, we has employed network coding technology and mobility aware mechanism, a mobility aware AODV basic network coding algorithm which also named MA_AODV_NC is proposed. In the algorithm, firstly, we employ deviation as a metric to relative stability between nodes and a new concept called coding path is defined which can reduce the bad affection of communication move fast. Secondly, we present a feedback mechanism under the condition of continuous decoding failure innovative which can adapt to communication nodes move fast, and promote the rate of decoding. Thirdly, improve the performance of the coding opportunity discovery algorithm which works in COPE. The new coding opportunity discovery algorithm can discovery more coding opportunity via get rid of the restriction of only two hops. Finally, it has employed the mobility aware mechanism to improve the rate of data delivery success.(2) On the basis of MA_AODV_NC, we continue to improve the performance at the point of security. The detection and prevention of wormhole attack is difficult extremely, this paper presents a new wormhole attack detection algorithm which basic on the different of the feedback routing information between nodes. Then, embed the new wormhole attack detection algorithm in the MA_AODV_NC. Defense wormholeattack AODV basic network coding routing algorithm is proposed which also named DWA_AODV_NC. This routing algorithm can get rid of restrictions on special hardware, time synchronization and other conditions, and it also has a high percentage of correct detection of wormhole attack and low percentage of false positives in dense network.In the end of this paper, the MA_AODV_NC and DWA_AODV_NC are modeling and simulating via QuaNet which is a former network simulator. And we also has done a series of simulation experiments to verify the new algorithm which are proposed in the paper have achieved the desired design goals. These studys in the paper have a lot of reference value for research on network coding and security routing protocol.