Architecture Design for Heterogeneous Multimedia Mesh Networks and Research on Cross-Layer QoS Routing Algorithm
Hongbo Zhu · Dianzi xuebao · 2010
According to the heterogeneous characteristics of wireless mesh networks(WMNs) and the QoS requirements of multimedia business,we designed a QoS adaptive architecture for WMNs,which is cross-domain,cross-layer and cross-node.Furthermore,this architecture was mathematically described by a bi-level programming model.Based on this mathematical model,we proposed an ant colony optimization based routing algorithm.Simulation results show that the bi-level programming model can fully optimize various QoS parameters of paths;the proposed routing algorithm,which has both advantages of low complexity and fast convergence speed,can converge to the optimal solution of bi-level programming model.