摘要
在移动自组网中,由于节点的移动性及有限的电池能量,路由是一个具有挑战性的问题,目前已存在很多不同方面的协议来解决这个问题。提出一个新的改进路由协议,其基于延迟重播方案,主要目标是建立一个基于跳数AODV、节点移动速度和节点通信状态的稳定路由协议,改进协议的路由发现过程仅让低速节点转发RREQ包,根据节点的繁忙程度来延迟请求包的广播。采用NS2仿真器对该方案的性能进行评估。仿真结果表明,该方法比以往方法具有更好的性能。
Due to the mobility of the nodes and the limited power,routing in mobile ad hoc network （MANET）is a challenging problem. Several protocols in various aspects have been proposed to deal with this problem.In this paper,we propose a new improved routing protocol, it is based on delayed rebroadcast scheme,with the main aim of building a stable routing protocol,which is based on the hop AODV,moving speed of nodes and communication status of nodes.The route discovery process of the proposed protocol is modified to only let the slow speed node forward the RREQ packets and to delay the broadcast of the request packet according to busyness of the node.The performance of the proposed protocol is evaluated using NS2 simulator.Simulation results show that the proposed method has better performance than previous methods.
出处
《计算机应用与软件》
CSCD
2015年第4期121-124,209,共5页
Computer Applications and Software
关键词
移动自组网
延迟重播方案
通信状态
稳定路由
性能评估
Mobile ad hoc network
Delayed rebroadcast scheme
Communication status
Stable route
Performance evaluation
