Abstract
This paper proposes a call admission control (CAC) policy for multimedia satellite networks that are susceptible to service degradation due to rain attenuation. Based on noncooperative Game theory, the proposed CAC seeks to ensure quality of service (QoS) satisfaction for all real time (RT) and non-real time (NRT) connections that are accepted into the satellite network. In its decision, the CAC considers the effect of adaptive modulation and coding (AMC) employed to mitigate the effects of the rain attenuation experienced during a connection's lifetime. A prediction scheme that predicts the rain attenuation on the link for successive intervals of time within the duration of a connection is also proposed. The performance of the CAC policy is investigated for different prediction intervals and the results show that the CAC policy is suitable to provide QoS satisfaction for traffic of multimedia connections in satellite networks.
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