Abstract:To support different QoS services in HFC, the CMTS scheduling algorithm should be analyzed carefully. However, in the most important standard-MCNS DOCSIS 1.1, no specific scheduling is prescribed, and many papers have discussed it with modified First Come First Service(FCFS). In this paper, a scheduling algorithm with QoS support-PDBQ is introduced. It distributes the priority of services by the different used bandwidth of different services. The influence of piggyback to throughput is also discussed, the performance of this algorithm is illustrated by simulation results. A method of improving link bandwidth utilization is presented in the typical delay-sensitive service of IP telephony.
王志刚; 刘丽川; 李乐民; 孙海荣. 一种支持HFC网中QoS业务的调度方法[J]. 电子与信息学报, 2002, 24(6): 721-725 .
Wang Zhigang; Liu Lichuan; Li Lemin; Sun Hairong . A scheduling algorithm with QoS support services in HFC. , 2002, 24(6): 721-725 .