The purpose of this paper is to obtain product form solution for retrial – queueing – inventory system. We study an M/M/1 retrial queue with a storage system driven by an (s,S) policy. When server is idle, external arrivals enter directly to an orbit. Inventory replenishment lead time is exponentially distributed. The interval between two successive retrials is exponentially distributed and only the customer at the head of the orbit is permitted to access the server. No customer is allowed to join the orbit when the storage system is empty and also when the serer is busy. We first derive the stationary joint distribution of the queue length and the on-hand inventory in explicit product form. Using the joint distribution, we investigate long-run performance measures such as distribution of number of customers served, number of arrivals, number of customers lost during an interval of random duration and a cost function. The optimal pair (s,S) is numerically investigated.
Keywords: queueing-inventory, stochastic decomposition, retrial
@article{RO_2020__54_1_81_0,
author = {Shajin, Dhanya and Krishnamoorthy, A.},
title = {Stochastic decomposition in retrial queueing-inventory system},
journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
pages = {81--99},
year = {2020},
publisher = {EDP Sciences},
volume = {54},
number = {1},
doi = {10.1051/ro/2018118},
mrnumber = {4052228},
zbl = {1437.90018},
language = {en},
url = {https://www.numdam.org/articles/10.1051/ro/2018118/}
}
TY - JOUR AU - Shajin, Dhanya AU - Krishnamoorthy, A. TI - Stochastic decomposition in retrial queueing-inventory system JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 81 EP - 99 VL - 54 IS - 1 PB - EDP Sciences UR - https://www.numdam.org/articles/10.1051/ro/2018118/ DO - 10.1051/ro/2018118 LA - en ID - RO_2020__54_1_81_0 ER -
%0 Journal Article %A Shajin, Dhanya %A Krishnamoorthy, A. %T Stochastic decomposition in retrial queueing-inventory system %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 81-99 %V 54 %N 1 %I EDP Sciences %U https://www.numdam.org/articles/10.1051/ro/2018118/ %R 10.1051/ro/2018118 %G en %F RO_2020__54_1_81_0
Shajin, Dhanya; Krishnamoorthy, A. Stochastic decomposition in retrial queueing-inventory system. RAIRO - Operations Research - Recherche Opérationnelle, Tome 54 (2020) no. 1, pp. 81-99. doi: 10.1051/ro/2018118
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