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Published in: 4OR 4/2015

26-07-2015 | Research paper

A simple method to obtain the stochastic decomposition structure of the busy period in Geo/Geo/1/N vacation queue

Authors: Miaomiao Yu, Attahiru Sule Alfa

Published in: 4OR | Issue 4/2015

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Abstract

In this paper, some tips and tricks for algebraic manipulations are utilized to explicitly get the mean and variance of the duration of the busy period in a discrete-time finite-buffer vacation queue. Applying the law of total expectation, the closed-form expressions for the first two moments of the busy period initiated with an arbitrary number of customers are firstly derived. Then, by employing the queue length distribution at vacation termination and the quantities that mentioned above, we give the stochastic decomposition structure of the busy period. Finally, in order to ensure the reliability of the analytical approach, an effective way to validate the correctness of our results along with a numerical example is also provided. We may find that these simple tips and tricks can greatly reduce the difficulty of problem solving.

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Metadata
Title
A simple method to obtain the stochastic decomposition structure of the busy period in Geo/Geo/1/N vacation queue
Authors
Miaomiao Yu
Attahiru Sule Alfa
Publication date
26-07-2015
Publisher
Springer Berlin Heidelberg
Published in
4OR / Issue 4/2015
Print ISSN: 1619-4500
Electronic ISSN: 1614-2411
DOI
https://doi.org/10.1007/s10288-015-0295-6

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