摘要
针对车载自组织网络中的大规模网络场景,提出一种基于运动状态的簇路由协议。计算节点与其一跳邻居节点的链路维持时间和连接度,通过这2个参数判断节点的优先级并确定簇头节点。在簇的维护过程中,根据成员节点和簇头节点的距离和相对速度,动态确定邻居节点的范围。仿真结果表明,该协议能提高簇的稳定性,减少端到端延时,与基于簇的路由协议和基于权值的车载自组织网络分簇路由协议相比,具有更高的包传输率和簇维持时间。
Aiming at the large-scale network scene of Vehicular Ad Hoc Network（VANET）, this paper proposes a cluster routing protocol based on motion state. It computes link hold time and connection degree of nodes with one jump neighbor node, confirms cluster head node through judge node priority and these two parameters. In the maintenance process, it dynamically confirms the scope of the neighbor nodes according to distance and relative velocity between members and cluster heads. Simulation result shows that this protocol can improve the stability of the cluster, and reduce the end-to-end delay, it has very high packet delivery ratio and cluster duration time than CBRP protocol and SWBCA protocol.
出处
《计算机工程》
CAS
CSCD
2013年第3期87-92,98,共7页
Computer Engineering
基金
国家自然科学基金资助项目(61171111)
重庆市自然科学基金资助项目(CSTC2011jjA40046)
关键词
车载自组织网络
簇路由
层次结构
连接度
维持时间
Vehicular Ad Hoc Network（VANET）
cluster routing
hierarchical structure
connectivity
duration time
