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1 2020

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Impatient customers in Markovian queue with Bernoulli feedback and waiting server under variant working vacation policy

Bouchentouf Amina Angelika, Yahiaoui Lahcene, Kadi Mokhtar, Majid Shakir

Operations Research and Decisions

2020

Vol. 30, No. 4

5--28

This paper deals with customers’ impatience behaviour for single server Markovian queueing system under K-variant working vacation policy, waiting server, Bernoulli feedback, balking, reneging, and retention of reneged customers. Using the probability generating function (PGF) technique, we obtain the steady-state solution of the system. Besides, we prove the stochastic decomposition properties. Useful performance measures of the considered queueing system are derived. A cost model is developed. Then, the parameter optimisation is carried out numerically, using a quadratic fit search method (QFSM). Finally, numerical examples are provided to visualise the analytical results.