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An acceptable trade-off between new call blocking and handoff call dropping probabilities in multimedia cellular networks

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1 Author(s)
N. Nasser ; Dept. of Comput. & Inf. Sci., Guelph Univ., Ont., Canada

Providing multimedia services with quality of service (QoS) guarantees in next generation wireless cellular networks poses great challenges due to the scarce radio bandwidth. Therefore, effective management of the limited radio resources is important to enhance the network performance. In this paper, we propose a dynamic bandwidth adaptation framework to provide an acceptable trade-off between new call blocking and handoff call dropping probabilities in cellular-based multimedia wireless networks. The proposed framework is designed to take advantage of the adaptive bandwidth allocation (ABA) algorithm with new calls in order to enhance the system utilization and blocking probability of new calls. The performance of our framework is compared to a framework previously proposed in N. Nasser, (2005). Simulation results show that our QoS adaptive multimedia service framework outperforms the previous framework in terms of new call blocking probability, handoff call dropping probability, and bandwidth utilization

Published in:

4th Annual Communication Networks and Services Research Conference (CNSR'06)

Date of Conference:

24-25 May 2006