认知Mesh网络的动态分层图路由模型及路由策略

被引:11
作者
李洋 [1 ]
董育宁 [1 ,2 ]
赵海涛 [1 ]
机构
[1] 南京邮电大学通信与信息工程学院
[2] 苏州大学江苏省计算机信息处理技术重点实验室
关键词
认知无线电; 路由模型; 动态分层图; 接口分配;
D O I
暂无
中图分类号
TN929.5 [移动通信];
学科分类号
080402 ; 080904 ; 0810 ; 081001 ;
摘要
该文提出了在认知无线电Mesh网络环境下的动态分层图路由模型,该模型将节点感知范围内的信道可用性用两状态离散时间马尔可夫链建模,建立认知无线电Mesh网络拓扑和连通性的动态模型。基于该模型提出了一种跨层设计的动态接口分配方案。仿真结果表明,动态分层图模型在适应接入频谱的动态变化和描述认知无线电Mesh网络的拓扑结构方面,表现出比静态分层图模型更加优异的性能。
引用
收藏
页码:1975 / 1979
页数:5
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