Adaptive call admission control based on reward-penalty model in wireless/mobile network

A dynamic threshold-based Call Admission Control (CAC)scheme used in wireless/mobile network for multi-class services isproposed. In the scheme, each class's CAC thresholds are solved throughestablishing a reward-penalty model which strives to maximize network'srevenue. In order to lower Handoff Dropping Probability (HDP), thescheme joints packet and connection levels Quality of Serviceconstraints, designing a bandwidth degradation algorithm to accepthandoff calls by degrading existing calls' bandwidth during networkcongestion. Analyses show that the CAC thresholds change adaptivelywith the average call arrival rate. The performance comparison showsthat the proposed scheme outperforms the Mobile IP Reservation scheme.