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2002

A Prioritized Real-Time Wireless Call Degradation Framework for Optimal Call Mix Selection

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A Prioritized Real-Time Wireless Call Degradation Framework for Optimal Call Mix Selection
This paper describes a framework for selecting the optimal call mix to be admitted while employing a bandwidth degradation policy in a wireless cellular network. The optimal property is achieved by maximizing the revenue generated by different calls in a cell for the service provider. By degradation, we mean that: (1) some channels can be taken away from ongoing calls that are assigned multiple channels, and/or (2) newly admitted calls that require multiple channels get fewer than what they requested. To avoid removing more channels from calls than they could tolerate, we incorporate a new call attribute: the degradation tolerance, i.e., the number of channels a call can be degraded without sacrificing the acceptable level of quality. We also consider priorities over calls to influence the admission and/or degradation decision. Our analytical framework includes both static and dynamic scenarios. The dynamic case is enhanced with the ability to select the optimal call mix using incoming...
Gergely V. Záruba, Imrich Chlamtac, Sajal K
Added 22 Dec 2010
Updated 22 Dec 2010
Type Journal
Year 2002
Where MONET
Authors Gergely V. Záruba, Imrich Chlamtac, Sajal K. Das
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