Title :
Channel-aware class-based scheduling for QoS support in IEEE 802.16/WiMAX networks
Author :
Pizzi, Sara ; Molinaro, Antonella ; Iera, Antonio
Author_Institution :
Univ. Mediterranea of Reggio Calabria, Reggio Calabria
Abstract :
One of the fundamental requirements for IEEE 802.16/WiMAX to become a key technology for high-speed multimedia service delivery is QoS differentiation. Although the IEEE 802.16 standard gives some guidelines to design a QoS architecture to support multimedia services, implementation details are left to manufacturers. This paper reports on the design and analysis of a channel-aware Deficit Round Robin (DRR) based scheduling algorithm for downlink traffic delivery in a point-to-multipoint WiMAX network. A technique for compensation of channel errors is proposed to preserve QoS differentiation and fairness under non-ideal channel conditions. Simulations confirm effectiveness of the compensation technique under different channel conditions and network loads.
Keywords :
WiMax; multimedia communication; quality of service; telecommunication channels; IEEE 802.16/WiMAX networks; QoS; channel-aware; class-based scheduling; deficit round robin; high-speed multimedia service; Algorithm design and analysis; Downlink; Guidelines; Job shop scheduling; Manufacturing; Round robin; Scheduling algorithm; Telecommunication traffic; Traffic control; WiMAX; DRR scheduling; QoS; WiMAX; fairness;
Conference_Titel :
Information Networking, 2009. ICOIN 2009. International Conference on
Conference_Location :
Chiang Mai
Print_ISBN :
978-89-960761-3-1
Electronic_ISBN :
978-89-960761-3-1