Based on the decode-and-forward relaying mode, a joint optimization scheme of power and bandwidth was analyzed for two-hop relaying system with orthogonal frequency division multiplexing (OFDM).

• 摘要针对再生中继方式，分析了基于正交频分复用(OFDM)的两跳中继系统的功率和带宽的联合优化，并以最大化端到端的信息速率为优化准则，给出了两跳的次优带宽分配策略和相应的功率分配注水定理算法。