Abstract
We propose an admission control scheme for guaranteeing the mobile QoS in mobile IP networks. The proposed scheme considers the tunnel reservation for keeping handoff dropping probability below predefined values. It reserves resources dynamically by estimating the number of mobile users and mobility features in each mobility agent. We propose mobility entities that depict mobility features and the history which has statistical mobility information in each mobility agent. We describe the requirements for macro mobility considerations and prove that our scheme satisfies them. With the mobility entities and the history, our scheme makes a history tuple to predict a mobility feature of the next time. It can be applied to a real world, because it reflects mobility features of each mobility agent to measure and analysis mobility entities. It provides an adaptive reservation scheme which allocates additional resources depending on a measured handoff dropping probability even if a handoff probability is changed unexpectedly.
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