Reduced latency in restricted flooding routing protocol for Mobile Ad Hoc Network

L. Latiff, A. Ali, N. Fisal
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引用次数: 1

Abstract

Packet delivery and latency are several performance metrics used to determine the effectiveness of a new routing algorithm. The multiple access protocol in mobile ad hoc network (MANET) requires nodes to contend for the shared medium when transmitting route request (RREQ) in the route discovery phase and this will create a broadcast storm which increases the probability of packet collisions despite utilizing the normal access technique for wireless networks. With location information of the destination node, the source node and also of the current node, RREQ will be more directed towards destination since nodes that are within the directed region will participate in the routing process. This paper presents Quadrant-based directional routing protocol (Q-DIR) algorithm that restrict the broadcast region to a quadrant where the destination node and source node are located. With Q-DIR as a pure reactive routing protocol which is a modified AODVbis, latency of packets will be further reduced and consequently, increases the delivery ratio. This paper will present the performance of Q-DIR in a network of 49 nodes of which the nodes are static.
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减少移动Ad Hoc网络限制泛洪路由协议的延迟
分组传输和延迟是用来确定新路由算法有效性的几个性能指标。移动自组织网络(MANET)中的多址访问协议在路由发现阶段要求节点在发送路由请求(RREQ)时争夺共享介质,这将产生广播风暴,增加了无线网络正常接入技术的分组冲突概率。有了目标节点、源节点和当前节点的位置信息,RREQ将更加指向目标,因为在被定向区域内的节点将参与路由过程。提出了一种基于象限的定向路由协议(Q-DIR)算法,该算法将广播区域限制在目的节点和源节点所在的象限内。将Q-DIR作为一种改进的AODVbis的纯响应路由协议,将进一步降低数据包的延迟,从而提高发送率。本文将介绍一个静态网络中49个节点的Q-DIR性能。
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