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Busy period distribution in state-dependent queues |
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| Authors: | Knessl C Matkowsky B J Schuss Z Tier C |
| Institution: | (1) Department of Engineering Sciences and Applied Mathematics, Northwestern University, 60201 Evanston, Illinois, USA;(2) Department of Mathematics, Tel-Aviv University, Tel-Aviv, Israel;(3) Department of Mathematics, Statistics and Computer Science, University of Illinois at Chicago, 60680 Chicago, Illinois, USA |
| Abstract: | We consider a state-dependent M/M/1 queue in which the arrival rate is a function of the instantaneous unfinished work (work backlog) in the system, and the customer's exponential service time distribution is allowed to depend on the unfinished work in the system at the instant that customer arrived. We obtain asymptotic approximations to both the busy period distributions as well as the residual busy period distribution. Our approximations are valid for systems with a rapid arrival rate and small mean service times.This research was supported in part by NSF Grants DMS-84-06110 and DMS-86-20267 and grants from the U.S. Israel Binational Science Foundation and the Israel Academy of Sciences. C. Knessl was partially supported by an I.B.M. Graduate Fellowship. |
| Keywords: | State-dependent queues busy period analysis singular perturbations |
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