Mobility

Admission Control Policy for Adaptive Multirate Multiservices in Cellular Systems

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Executive Summary

Forced termination of connections during handover and blocked connection initiation are annoying from the perspective of multiservice cellular system users. Previous papers have shown that an admission control policy reduces the dropping probability to a much lower level but at the cost of raising the blocking probability to a higher level. As an alternative for reducing both blocking and dropping probabilities, the authors make use of the Adaptive MultiRate (AMR) scheme, which is a well known real time streaming coding technique. For an example of AMR technique, a video source is encoded into multiple independent descriptions. A cellular device, depending on its available computing and network resources, joins different descriptions to meet performance requirements.

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