认知无线电中继协助网络资源分层优化算法
陈健, 樊光辉, 阔永红

Hierarchical optimization algorithm for resource allocation in relay-assisted cognitive radio network
CHEN Jian, FAN Guang-hui, KUO Yong-hong
图2 几种传输模式的用户吞吐量比较
Fig.2 Comparision between the proposed mode and others