Connection Admission Control Using Transient QoS Measures in Broadband Satellite Systems

Abstract

We develop a predictive connection admission control for broadband satellite networks. We apply the large deviation theory to transient bufferless fluid model to develop connection admission rules. The algorithms are motivated by the low computational capabilities and large propagation delay inherent in satellite communication systems. Cell loss ratio computational complexity increases rapidly with an increase either in the number of connections classes or in the number of existing connections of individual connection classes. We develop the transient saturation probability and transient cell loss ratio as QoS measures. To find two QoS measures, we propose a central limit approximation, Chernoff bound, and refined large deviation approximation. The numerical results suggest that the proposed bounding and approximation schemes are promising approaches for real time connection control.