Retrial queueing systems represent a class of models in which arriving customers, upon encountering a busy or unavailable server, enter a virtual waiting room—commonly referred to as an orbit—to ...

Retrial queueing systems represent a specialised branch of queueing theory where customers, upon encountering a busy server, do not simply abandon the process but instead join an external queue or ...

It is proved that, for a large class of stable stationary queueing systems with renewal arrival processes and without losses, a necessary condition for the departure process also to be a renewal ...

Single-server-single-queue-FIFO-discipline queueing systems are considered in which at most a finite number of customers N can be present in the system. Service and arrivai rates are taken to be ...

Abstract: In the Industry 4.0 era, digitalization is a driving force for innovation in the banking sector. Efficient and effective queue management solutions are needed to improve customer experience ...