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Joint connection-level and packet-level quality-of-service support for VBR traffic in wireless multimedia networks

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2 Author(s)
Lei Huang ; Dept. of Electr. Eng. & Comput. Sci., Loyola Marymount Univ., Los Angeles, CA, USA ; C. -C. J. Kuo

In this paper, we investigate call admission control (CAC) schemes that can jointly provide connection-level quality-of-service (QoS) (in terms of the new call blocking probability and the handoff dropping probability) and packet-level QoS (in terms of the packet loss probability) for wireless multimedia networks. Stationary CAC schemes are proposed as the results of the solution to constrained optimization problems. A dynamic CAC scheme that can be adapted to varied and varying traffic conditions dynamically is also proposed. The proposed CAC schemes are computationally efficient and easy to implement, thus being suitable for real-time system deployment. Simulation results have demonstrated that the proposed dynamic CAC scheme achieves better performance when applied to realistic traffic conditions found in wireless multimedia networks.

Published in:

IEEE Journal on Selected Areas in Communications  (Volume:23 ,  Issue: 6 )