Ad Hoc网络数据链路层协议的研究

本文主要研究二进制指数退避算法BEB及乘性增加线性减少算法MILD,重点分析两种算法在Ad Hoc网络中的效能。采用计算机仿真软件OPNET验证此算法,通过仿真平台了解两种算法的优缺点,比较不同的算法对网络的公平性、吞吐量、延迟及系统丢包率的影响。仿真结果表明,MILD算法能够在高负载场景的网络下使移动Ad Hoc网络有效的提高吞吐量、降低平均时延和丢包量等。但是MILD算法也有自身的缺点,在轻负荷网络中,该算法的因无法快速调节竞争窗口而导致性能急剧下降。

The Study on MAC Protocol in Ad Hoc Network

This paper is major on researching the binary exponential backoff algorithm BEB and the Multiplicative Increase Linear Decrease algorithm MILD,especially focuses on the analysis of their performances in Ad Hoc network,and uses computer simulation software OPNET to verify the algorithms,then knows the advantages and disadvantages of the algorithms through the simulation platforms,and compares their impacts on the fairness,throughput,Medium Access Delay and Data Dropped off,that is the overall performances of...