基于AODV的多弹组网速度感知路由算法
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摘要
弹道修正火箭弹多弹组成的无线网络由于节点高速运动、网络拓扑变化频繁,易导致弹节点间链路频繁断开,网络性能严重下降。针对以上问题,提出了一种具有速度感知的AODV路由改进算法SA-AODV。SA-AODV在路由发现阶段,根据节点的位置和通信半径以及节点间的相对运动速度选出一部分在通信范围内且与数据发送节点相对运动速度较小的路由节点,然后通过节点间的相对运动速度评估出每条可到达目的节点的路由线路的有效生存时间,根据有效生存时间的长短选择最佳路由方案。采用OPNET进行网络仿真表明,SA-AODV路由算法较经典的AODV更适合运用在高速运动的节点网络中。
Due to the high-speed movement of the nodes and the frequent topology changes of the network,the trajectory correction rocket multi-missile network is easy to lead to frequent disconnection of the links between the nodes and serious degradation of network performance. To solve these problems,this paper proposed a speed-aware AODV routing algorithm( Speed Aware AODV,SA-AODV). In the routing discovery phase,SA-AODV selected some nodes with better routing performance according to the location and communication radius of nodes,and then evaluated the effective lifetime of each route to the destination node by the relative motion speed between nodes,and selected the best routing scheme according to the effective lifetime. The network simulation using OPNET shows that SA-AODV routing algorithm is more suitable for high-speed mobile node network than classical AODV routing algorithm.
Due to the high-speed movement of the nodes and the frequent topology changes of the network,the trajectory correction rocket multi-missile network is easy to lead to frequent disconnection of the links between the nodes and serious degradation of network performance. To solve these problems,this paper proposed a speed-aware AODV routing algorithm( Speed Aware AODV,SA-AODV). In the routing discovery phase,SA-AODV selected some nodes with better routing performance according to the location and communication radius of nodes,and then evaluated the effective lifetime of each route to the destination node by the relative motion speed between nodes,and selected the best routing scheme according to the effective lifetime. The network simulation using OPNET shows that SA-AODV routing algorithm is more suitable for high-speed mobile node network than classical AODV routing algorithm.
引文
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[11]吕小兵.基于Open Flow的SDN网络路由算法的设计与实现[J].自动化与仪器仪表,2017(9):128-130.
[2]王君,张蓬蓬,梁文波,等.多弹协同攻击网络化作战系统体系结构研究[J].航空兵器,2011(6):10-14.
[3]胡建平,杨峻巍.弹群组网应用与关键技术[J].电讯技术,2014,54(3):251-258.
[4]王昊宇,徐学强,房玉军.网络化协同打击弹药技术[J].兵工学报,2010,31(S2):136-139.
[5]王君,张蓬蓬,梁文波,等.多弹协同攻击网络化作战系统体系结构研究[J].航空兵器,2011(6):10-14.
[6]陈林星,曾曦,曹毅.移动Ad Hoc网络[M].北京:电子工业出版社,2006:517-522.
[7]张步硕,陈柯帆,迟晓燕,等.面向航空集群网络的改进型AODV路由协议[J].重庆邮电大学学报(自然科学版),2017,29(4):480-486.
[8]郭鹏程. Ad Hoc网络AODV按需路由协议的研究[J].科学技术与工程,2013,13(18):5207-5213.
[9]张健,李军明,余纯武,等.高速移动网络中AODV路由协议的改进[J].计算机应用与软件,2015,32(11):126-129.
[10]徐扬. Ad Hoc网络性能分析及路由技术研究[D].西安:西安电子科技大学,2014.
[11]吕小兵.基于Open Flow的SDN网络路由算法的设计与实现[J].自动化与仪器仪表,2017(9):128-130.