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In this paper, we propose a scheme for improved performance of resource reservation and call admission control for cellular networks called predictive mobility support demand (PMSD) scheme. This scheme is proposed in which bandwidth is allocated more efficiently to neighboring cells by key mobility parameters in order to provide QoS guarantees for transferring traffic. The probability is used to form a cluster of cell and the shadow cluster, where a mobile unit is likely to visit. Concomitantly, to ensure continuity of on-going calls with better utilization of resources, bandwidth is borrowed from prediction nonconforming calls and existing adaptive calls without affecting the minimum QoS guarantees. We evaluate the performance of PMSD scheme by means of the simulation. We measure several performance metrics such as the call blocking probability, call dropping probability, and bandwidth utilization by comparing with the mobility support on demand borrowing (MSODB) scheme. The simulation results show that PMSD scheme provides the better performance that the one of MSODB.
Date of Conference: 24-24 Oct. 2008