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An M/G/1 queue with Bernoulli feedback and general setup time under a control policy is analyzed. The customers arrival rate at service station varies according to the system status: buildup, setup and busy states. The probability generating function for system size and mean number of customers in the system are obtained under steady-state conditions. During the idle period of the server, the probability...
An M/G/1 retrial queueing system with additional phase of service and possible preemptive resume service discipline is considered. For an arbitrarily distributed retrial time distribution, the necessary and sufficient condition for the system stability is obtained, assuming that only the customer at the head of the orbit has priority access to the server. The steady-state distributions of the server...
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