After John wrote the abstract "针对802.11多射频无线Mesh网络(MR-WMN)不能有效支持端到端低时延组播的问题,首先围绕MAC层传输时延和Mesh层排队时延建模分析,并提出低时延组播路由模型MR-MED(Multi-RadioMulticastEnd-to-EndDelay).其次证明全局流干扰最小化问题是一个NP完全问题且全局流干扰和网络密度的数学关系符合dPIN分布,在此基础上提出有效减小MAC层流内和流间干扰的DCA算法.最后提出流量自适应的组播多径路由方案MMRA,有效减小Mesh层排队时延.仿真与常见算法的比较表明,提出的模型准确刻画了MR-WMN的组播时延,且联合运用DCA和MMRA有效降低了端到端时延.", he wrote these keywords "时延优化, 组播路由, Mesh网络, 多径路由". Do you think his choice of keywords was correct? Answer yes or no.
yes