中文摘要：

有直角的频率分割的继电器网络的联合多重存取(OFDMA ) 作为下一代的一个有希望的解决方案被建议了无线系统。就不同的交通的班和服务(QoS ) 的用户质量而言，三个有效安排算法在如此的网络被介绍。圆知更鸟(RR ) 在继电器网络的算法用作一个表演基准。数字结果证明建议算法在系统产量和减少系统包损失率上完成重要改进，与中继系统(传统的网络) 的 RR 和缺席相比。而且，比较在三个建议算法之中被执行了。

英文摘要：

The combination of relay networks with orthogonal frequency division multiple access （OFDMA） has been proposed as a promising solution for the next generation wireless system. Considering different traffic classes and user quality of service （QoS）, three efficient scheduling algorithms are introduced in such networks. The round-robin （RR） algorithm in relay networks serves as a performance benchmark. Numerical results show that the proposed algorithms achieve significant improvement on system throughput and decrease system packet loss rate, compared with the RR and absence of relaying system （traditional network）. Furthermore, comparisons have been carried out among the three proposed algorithms.