A matrix continued fraction approach to multiserver retrial queues

Tuan Phung-Duc (), Hiroyuki Masuyama (), Shoji Kasahara () and Yutaka Takahashi ()

Annals of Operations Research, 2013, vol. 202, issue 1, 183 pages

Abstract: We consider basic M/M/c/c (c≥1) retrial queues where the number of busy servers and that of customers in the orbit form a level-dependent quasi-birth-and-death (QBD) process with a special structure. Based on this structure and a matrix continued fraction approach, we develop an efficient algorithm to compute the joint stationary distribution of the numbers of busy servers and retrial customers. Through numerical experiments, we demonstrate that our algorithm works well even for M/M/c/c retrial queues with large value of c. Copyright Springer Science+Business Media, LLC 2013

Keywords: Multiserver retrial queue; Level-dependent QBD; Matrix continued fraction; Call center; Resource dimensioning; System planning (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s10479-011-0840-4

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