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Optimal Admission Control and State Space Reduction in Two-Class Preemptive Loss Systems

Authors
Kim, BaraKo, Sung-Seok
Issue Date
10월-2015
Publisher
WILEY
Keywords
Preemptive loss system; optimal admission policy; cognitive radio networks; Markov decision process
Citation
ETRI JOURNAL, v.37, no.5, pp.917 - 921
Indexed
SCIE
SCOPUS
KCI
Journal Title
ETRI JOURNAL
Volume
37
Number
5
Start Page
917
End Page
921
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/92251
DOI
10.4218/etrij.15.0114.0348
ISSN
1225-6463
Abstract
We consider a multiserver system with two classes of customers with preemption, which is a widely used system in the analysis of cognitive radio networks. It is known that the optimal admission control for this system is of threshold type. We express the expected total discounted profit using the total number of customers, thus reducing the stochastic optimization problem with a two-dimensional state space to a problem with a one-dimensional birth-and-death structure. An efficient algorithm is proposed for the calculation of the expected total discounted profit.
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