Queueing systems with correlated arrival flows and their applications to modeling
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Retrial queueing systems have been extensively studied because of their applications in
telephone systems, call centers, telecommunication networks, computer systems, and in …

In most of the queueing models, service is considered to be complete without any
interruption. But in reality, queueing systems are subject to interruptions due to failure of …

In this paper, we consider a repairable system consisting of M primary components, S spare
components, and a repairman. In cases where none of the components in the system is …

Abstract Analysis of an unreliable-server retrial queue with customer's feedback and
impatience is presented. Truncated classical and constant retrial policies are taken into …

The main aim of this paper is to study the steady state behavior of an M/G/1-type retrial
queue in which there are two flows of arrivals namely ingoing calls made by regular …

Retrial phenomenon naturally arises in various systems such as call centers, cellular
networks and random access protocols in local area networks. This paper gives a …

In this paper, we first consider single server retrial queues with two way communication.
Ingoing calls arrive at the server according to a Poisson process. Service times of these calls …

ABSTRACT A retrial queue with constant retrial policy, unreliable servers and the failed
servers may not be detected is investigated in this paper. Upon arrival, a customer either is …

We consider an M/G/1 retrial queue with general retrial times, and introduce working
vacations and vacation interruption policy into the retrial queue. During the working vacation …