Mms: Multi-Rate Multicast Scheduling in Multi-Radio Single-Cell Cr-Wmns

Nowadays, cognitive radio technology is mentioned as a new model for wireless communication. in this paper, by extending the previous works, both multi-radio and multi-rate technologies in single-cell multi-channel cognitive radio wireless mesh networks were adopted. in this regard, an efficient scheduling algorithm is introduced named multi-rate multicast scheduling (mms). multi-radio technology allows the nodes to simultaneously send/receive packets on the distinct channels. consequently, the network throughput will be increased. furthermore, since different transmission rates lead to different spectrum utilizations, efficient use of the multi-rate capability can improve the performance of the network. numerical results of our comprehensive simulations confirm the efficiency of the mms algorithm.