59 citations · 71 across the 5 of their papers we have counts for
5 papers
The Number of Overlapping Customers in Erlang-A Queues: An Asymptotic Approach
Young Myoung Ko, Jamol Pender, Jin Xu
In this paper, we investigate the number of customers that overlap or coincide with a virtual customer in an Erlang-A queue. Our study provides a novel approach that exploits fluid…
Overlapping time of a virtual customer in time-varying many-server queues
Young Myoung Ko, Jin Xu
Motivated by the ongoing COVID-19 pandemic, this paper investigates customers' infection risk by evaluating the overlapping time of a virtual customer with others in queueing syste…
Age of Information for Single Buffer Systems with Vacation Server
Jin Xu, I-Hong Hou, Natarajan Gautam
In this research, we study the information freshness in M/G/1 queueing system with a single buffer and the server taking multiple vacations. This system has wide applications in co…
On Competitive Analysis for Polling Systems
Jin Xu, Natarajan Gautam
Polling systems have been widely studied, however most of these studies focus on polling systems with renewal processes for arrivals and random variables for service times. There i…
Peak Age of Information in Priority Queueing Systems
Jin Xu, Natarajan Gautam
We consider a priority queueing system where a single processor serves k classes of packets that are generated randomly following Poisson processes. Our objective is to compute the…