基于OLSR的大规模组网路由  

Large Scale Networking Routing Based on OLSR

作　　者：贾森 刘小娟 吴明曦 JIA Sen;LIU Xiaojuan;WU Mingxi(Wuhan Zhongyuan Electronics Group Co.,Ltd.,Wuhan Hubei 430205,China)

机构地区：[1]武汉中原电子集团有限公司,湖北武汉430205

出　　处：《通信技术》2023年第7期870-875,共6页Communications Technology

摘　　要：随着战场无线自组网的通信规模增大,平面网络架构由于开销太大而不适合,需要采用分簇网络架构。常用的簇内路由协议是优化的链路状态路由(Optimized Link State Routing,OLSR),但是OLSR的多点中继(MultiPoint Relay,MPR)选举过程有冗余,因此运用统一连通支配集(Unifying Connected Dominating Set,UCDS)算法来进行MPR选举,选出更好的MPR集。常用的簇间路由协议是群首网关交换路由(Clusterhead Gateway Switch Routing,CGSR),CGSR簇间业务必须先经过簇首,具有健壮性差和负载不均衡的缺点。通过簇首广播全网簇间邻居关系和簇内成员信息,簇间业务不用经过簇首,可以简便地获得簇间路由。对基于OLSR的分簇路由协议和平面下标准OLSR进行仿真对比,结果表明分簇网络架构在大规模组网情况下能够大幅降低网络开销。As the communication scale of battlefield wireless self-assembled networks increases,the planar network architecture is unsuitable due to too much overhead,and clustered network architecture is needed.The commonly used intra-cluster routing protocol is OLSR(Optimized Link State Routing,OLSR),but the MPR(MultiPoint Relay)election process of OLSR has redundancy,so the UCDS(Unifying Connected Dominating Set)algorithm is applied to perform the MPR election in order to elect a better MPR set.The commonly used inter-cluster routing protocol is CGSR(Cluster head Gateway Switch Routing),CGSR inter-cluster services must first go through the cluster head,and it has the disadvantages of poor robustness and load imbalance.Inter-cluster routes can be easily obtained by broadcasting inter-cluster neighbor relationships and intra-cluster membership information across the network through the cluster head,and inter-cluster services do not have to pass through the cluster head.Simulation comparison between OLSR-based clustered routing protocols and off-plane standard OLSR indicates that the clustered network architecture can significantly reduce the network overhead in large-scale networking situations.

关 键 词：MANET OLSR 大规模 分簇 

分 类 号：TN929.52[电子电信—通信与信息系统]