一种基于AODV路由协议避免路由断裂的改进协议
首发时间:2008-04-22
摘要:移动Ad Hoc网络是由一组无线移动主机组成的一个没有任何建立好的基础设施或集中管理设备的临时网络。网络拓扑易变、带宽、能源有限是移动Ad Hoc网络的主要特点。本文在介绍了经典路由协议AODV的基础上,针对该协议中基于四种基本条件的路由断裂情况,提出了一种改进思想,并进行了仿真实验。实验结果表明新的协议AODV-AB在分组投递率、端到端的平均时延、路由开销方面表现出了很好的性能。
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A new protocol based on AODV protocol avoiding
Abstract:Mobile ad hoc networks are collections of wireless mobile nodes, constructed dynamically without the use of any existing network infrastructure or centralized administration.Due to the limited transmission range of wireless network interfaces, multiple hops may needed for one node to exchange data with anther one across the network.Mobile ad hoc networks are characterized by limited power resource, high mobility and limited bandwidth.The paper analyses mechanism of present classical AODV.We propose a new protocol toward the situation of routing breaks based on four elements, simulate and compare the performance of the two protocols.The simulation results show AODV-AB protocol provides better performance in terms of packet delivery fraction, average end-to-end delay of data packets and normalized routing load.
Keywords: AODV; routing breaks;AODV-AB
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