Queueing systems with vacations—a survey
Queueing Systems: Theory and Applications
A two-stage tandem queue attended by a moving server with holding and switching costs
Queueing Systems: Theory and Applications
A study of a queueing system with three-phase service
Operations Research Letters
Analysis of a two phase queueing system with general service times
Operations Research Letters
A two-phase queueing system with server vacations
Operations Research Letters
Operations Research Letters
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We consider an M/G/1-type, two-phase queueing system, in which the two phases in series are attended alternatively and exhaustively by a moving single-server according to a batch-service in the first phase and an individual service in the second phase. We show that the two-phase queueing system reduces to a new type of single-vacation model with non-exhaustive service. Using a double transform for the joint distribution of the queue length in each phase and the remaining service time, we derive Laplace-Stieltjes transforms for the sojourn time in each phase and the total sojourn time in the system. Furthermore, we provide the moment formula of sojourn times and numerical examples of an approximate density function of the total sojourn time.