Fair Scheduling Strategy for Delay-Sensitive Handover of IEEE 802.16 Real-Time Communications
2011
The existing IEEE 802.16 is a series of Wireless Broadband standards known as WiMAX as an important technology for providing high-speed Internet access to home and business subscribers in a wide area cellular network. It has defined real time and non-real time services. But the standard does not specify transmission scheduling schemes to support the services. In order to support the delay sensitive handover calls with multiple quality of service (QoS) of the services with fairness, this paper divides a waiting queue into a sleep queue and a ready queue. Our simulation results show that the analytical model is good agreement with the simulation model, and the proposed scheme can improves the fairness index at the expense of increasing that of higher delay-sensitive traffics without degrading the new call blocking probability, and the carried traffic.
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