无线网络系统建模综述  

Research on the Modeling of Wireless Network System

作　　者：傅韬[1] 黄本雄[1] 

机构地区：[1]华中科技大学电子与信息工程系,武汉430074

出　　处：《计算机科学》2010年第8期40-46,55,共8页Computer Science

基　　金：863国家重点基金项目(2007080504);国家自然科学基金(0002014014)资助

摘　　要：建模是研究无线网络系统的一种重要手段,是仿真实验的基础核心,涉及系统各方面统计特征的模型描述、参数估计、建模算法的优化和各类模型组织等问题。首先简要介绍了常见的无线网络系统,归纳了衡量网络质量的性能指标体系,然后着重分析了反映系统信道、拓扑、流量和协议行为等特征的代表性数学模型,评价了主流仿真工具的优势与不足。最后对当前研究中存在的问题进行了总结,展望了未来发展趋势。Modeling is one of the most important tools in wireless system research. It＇s the foundation of simulation experiment, and relates to many fields, such as statistical characteristics modeling, parameters estimation, optimization of the algorithm and organization of all the models. Firstly, this paper summarized the common wireless systems, and introduced the metrics. Secondly, channel, topology, traffic and protocols behavior were researched in details, mainstream tools were evaluated. Finally, existing problems and research trend were analyzed.

关 键 词：无线网络系统 信道 拓扑 流量 协议行为 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]