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On Single Server Feedback Retrial Queues with Batch Departures
Abstract
The present paper discusses a two-state single server retrial queueing model with feedback and batch departures. If an arriving customer finds the server free, it is served immediately else it joins the orbit. Both type of customers follow the Poisson arrival process. The customers depart from the system in batches of random size. Also, if a departing batch has
unsatisfied customers, it may join the orbit with a certain probability to receive a satisfied service. The transient state probabilities are obtained by solving the difference-differential equations recursively. Numerical and graphical illustrations are also given.
Keywords
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