LTE中增强视频业务QoS的时延感知调度算法

Delay-aware scheduling algorithm for enhancing video services QoS in the LTE

提出了一种改善视频业务流性能的分组调度算法,综合考虑了队列中分组丢失的数量和分组时延信息,动态地调整用户的优先级,以达到降低系统丢包率和最大化系统吞吐量的目的.仿真结果表明,与当前典型的分组调度算法相比,所提出的算法能够较大幅度地改善丢包率、公平性、吞吐量等方面的性能.

We present a packet scheduling algorithm to improve the performance of video traffic.By considering the number of packet loss and packet delay in the buffer,the priority of each user can be adj usted dynamically to reduce the packet loss rate and maximize the system throughput.The results show that, compared with the current typical packet scheduling algorithm, the proposed algorithm can significantly improve the packet loss rate,fairness,throughput and other performance.