Results 21 to 30 of about 3,514 (223)

Optimal Pricing Analysis of Computer Networks Based on a Queueing System With Retrial Mechanism

open access: yesIEEE Access, 2020
We consider a single-server retrial queue with a Poisson arrival process and exponential service times, where the server is unreliable. Assume there is no waiting space in front of the server and the customer who finds the server unavailable joins an ...
Yu Zhang
doaj   +1 more source

A MARKOVIAN TWO COMMODITY QUEUEING–INVENTORY SYSTEM WITH COMPLIMENT ITEM AND CLASSICAL RETRIAL FACILITY

open access: yesUral Mathematical Journal, 2022
This paper explores the two-commodity (TC) inventory system in which commodities are classified as major and complementary items. The system allows a customer who has purchased a free product to conduct Bernoulli trials at will.
M. Nithya   +4 more
doaj   +1 more source

Bounds and Maxima for the Workload in a Multiclass Orbit Queue

open access: yesMathematics, 2023
In this research, a single-server M-class retrial queueing system (orbit queue) with constant retrial rates and Poisson inputs is considered. The main purpose is to construct the upper and lower bounds of the stationary workload in this system expressed ...
Evsey V. Morozov   +2 more
doaj   +1 more source

Waiting Time Distribution and Some Characteristics in Finite Queueing Systems with Retrials [PDF]

open access: yesThe Egyptian Statistical Journal, 2001
A retrial queueing system consists of a primary service facility of finite capacity and an orbit. Customers arrive from outside the system according to Poisson process, or from the orbit according to a rate that depends upon the number of customers in ...
Essam Amin, Elham Shoukry, Nadia Talat
doaj   +1 more source

Optimization of multi-channel queuing systems with a single retail attempt: Economic approach [PDF]

open access: yesDecision Science Letters, 2020
This paper deals with retrial queues of the |MQ/M/c/∞|- type in which the rate of input flow depends on the number of sources of repeated calls and each call has only one retrial attempt.
Oksana Pryshchepa   +9 more
doaj   +1 more source

A literature review on retrial queueing system with Bernoulli vacation [PDF]

open access: yesYugoslav Journal of Operations Research
The retrial phenomenon occurs inherently in a wide range of queueing systems. The majority of retrial queueing models do not account for vacation. However, in practice, retrial queueing systems undergo vacations for maintenance or other reasons.
Micheal Mathavavisakan Nicholas Gnanasekar   +1 more
doaj   +1 more source

On a batch arrival queuing system equipped with a stand-by server during vacation periods or the repairs times of the main server [PDF]

open access: yes, 2011
We study a queuing system which is equipped with a stand-by server in addition to the main server. The stand-by server provides service to customers only during the period of absence of the main server when either the main server is on a vacation or it ...
Lukas, CA   +6 more
core   +1 more source

Retrial Queuing-Inventory Systems with Delayed Feedback and Instantaneous Damaging of Items

open access: yesAxioms, 2022
This paper studies a Markov model of a queuing-inventory system with primary, retrial, and feedback customers. Primary customers form a Poisson flow, and if an inventory level is positive upon their arrival, they instantly receive the items.
Agassi Melikov   +3 more
doaj   +1 more source

Retrial Queues with Unreliable Servers and Delayed Feedback

open access: yesMathematics, 2021
In this paper, models of unreliable multi-server retrial queues with delayed feedback are examined. The Bernoulli retrial is allowed upon the arrival of both primary (from outside) and feedback customers (from orbit), as well as the Bernoulli feedback ...
Agassi Melikov   +2 more
doaj   +1 more source

Availability and cost-benefit evaluation for a repairable retrial system with warm standbys and priority

open access: yesStatistical Theory and Related Fields, 2023
This paper investigates a warm standby repairable retrial system with two types of components and a single repairman, where type 1 components have priority over type 2 in use.
Jia Kang   +4 more
doaj   +1 more source

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