New Mobility Based Call Admission Control with On-Demand Borrowing Scheme for QOS Provisioning

Authors:
Mohammad Mahfuzul Islam;Manzur Murshed;Laurence S. Dooley
Affiliations:
-;-;-
Venue:
ITCC '03 Proceedings of the International Conference on Information Technology: Computers and Communications
Year:
2003

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Abstract

In this paper, an advanced call admission controlstrategy is proposed in which bandwidth is allocated moreefficiently and effectively to neighbouring cells byexploiting key mobility parameters to provide consistentQuality of Service (QoS) guarantees for multimedia traffic.Concomitantly, to ensure continuity of on-going calls withbetter utilization of resources, bandwidth is borrowed fromexisting adaptive calls without affecting the minimum QoSguarantee. The performance of the scheme is comparedwith ther techniques including the Rate-Based BorrowingScheme and Implicit QoS Provisioning Strategy.Simulation results prove that this new scheme offerssignificant improvements in the requisite performancemetrics of call blocking probability, call droppingprobability, and bandwidth utilization, under a variety ofdiffering traffic conditions.