郭绪坤,范冰冰,陈纯炼

• 1:华南师范大学计算机学院
• 2:电子科技大学中山学院经济与管理系实验室

摘要(Abstract)：

为了提高认知无线Ad Hoc网络路由算法的性能,提出一种基于多层图转移概率的认知无线Ad Hoc多跳路由算法。首先,采用多层图进行认知无线Ad Hoc路由模型的构建,并设计一种多跳协议的改进形式;其次,提出一种基于概率的信道转移概率估计技术,每个SU在路由生成之前构造转移概率矩阵。基于所有者PU的ON/OFF状态,对每个信道分配一个稳定常数,提出一种新的基于转移概率路径选择的认知无线电Ad Hoc网络路由协议。实验结果表明,该算法可选择任何一对源节点和目的节点之间最稳定的路径,可有效提升网络路径生存时间、路由开销和数据包丢失率等性能指标,体现了算法的性能优势。

关键词(KeyWords)： Ad Hoc网络;多层图;转移概率;多跳协议;路由算法;性能指标提升

Abstract:

Keywords:

基金项目(Foundation): 2015年广东省教育厅重点平台及科研项目青年创新人才项目(自然科学类)(2015KQNCX078);; 2012年广东省自然科学基金博士启动项目(S2012040007599);; 2014年广东省教育科学研究项目(2014GXJK081)~~

作者(Author): 郭绪坤,范冰冰,陈纯炼

DOI: 10.16652/j.issn.1004-373x.2018.23.018

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