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A policy-based admission control algorithm for UMTS end to end QoS provision

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4 Author(s)
Yan, Y. ; Beijing Univ. of Posts&Telecommun. ; Zhou, W.A. ; Liu, L.Y. ; Song, J.D.

It is argued that call admission control should be provided in all network domains subject to end to end QoS provision. A policy-based end to end QoS provision framework is proposed in this paper. This framework extends the 3GPP policy-based framework and allows operators to deploy and correlate business strategies with the overall network actions. A call admission control algorithm using support vector machine (SVM) (PSVM-CAC), which is suitable in this framework, is analyzed. PSVM-CAC uses the service vector and network vector to predict the admission state. A function of QoS metrics compares with some thresholds to determine the admission state at the learning stage. The thresholds value can reveal biases of services. PSVM-CAC combines policy and SVM's advantages when make admission decision, so it can take into account the business requirement, external network QoS resource and reduce algorithm complexity. The simulation results show that this scheme accelerates calculation speed, have lower call delay, and achieves superior performance in terms of the call blocking probability and the call dropping probability than other machine learning admission control

Published in:

Mobile Technology, Applications and Systems, 2005 2nd International Conference on

Date of Conference:

15-17 Nov. 2005