Performance evaluation of modified IEEE 802.11 MAC for multi-channel multi-hop ad hoc network

Jiandong Li, Z. Haas, Min Sheng, Yanhui Chen
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引用次数: 98

Abstract

The IEEE 802.11 multiple access control protocol was modified for use in multi-channel, multi-hop ad hoc network, through the use of a new channel-status indicator. In particular, we have evaluated the improvement due to the multi-channel use. We report in this paper on the results of the throughput per node and the end-to-end delay for the modified IEEE 802.11 protocol for different network sizes. Using these results, we were able to propose a number of throughput scaling laws. Our simulation results show that the throughputs per node with multiple channels for the line and the grid ad hoc network topologies will increase by 47.89%, and by 1.39-163%, respectively, for networks with 16 to 64 nodes, as compared with that of single channel.
改进的IEEE 802.11 MAC在多通道多跳自组织网络中的性能评估
通过使用新的通道状态指示器,IEEE 802.11多路访问控制协议被修改以用于多通道、多跳的自组织网络。特别是,我们已经评估了由于多渠道使用而带来的改善。在本文中,我们报告了改进后的IEEE 802.11协议在不同网络规模下的每个节点吞吐量和端到端延迟的结果。利用这些结果,我们能够提出许多吞吐量缩放定律。我们的仿真结果表明,与单通道网络相比,对于线路和网格自组织网络拓扑结构,具有多个通道的每个节点的吞吐量将分别增加47.89%和1.39-163%,对于16至64个节点的网络。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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