Poster: Utility-Based Scheduling Algorithm for Mixed Traffic in Wired-Wireless Hybrid Networks

In this paper we propose a utility-based scheduling mechanism for mixed traffic in wireless networks to mitigate the problem that current scheduling algorithms cannot have a good performance in mixed traffic. The proposed algorithm called UBSA (Utility-Based Scheduling Algorithm) works in wired-wireless hybrid networks. Packets of diverse QoS (Quality of Service) classes are allocated to different queues with different priority factors on the basis of the selected utility functions which properly reflect the characters of different QoS classes. UBSA can not only adjust the bandwidth allocation reasonably but also modify the parameters of utility functions flexibly for different service classes, which will achieve finer adjustment, and consequently achieve superior performances. Simulation results indicate that the proposed algorithm is more effective for supporting differentiated services in wired-wireless hybrid networks.