Priority queue with customer upgrades

Qi Ming He, Jingui Xie, Xiaobo Zhao

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

This article is concerned with a general multi-class multi-server priority queueing system with customer priority upgrades. The queueing system has various applications in inventory control, call centers operations, and health care management. Through a novel design of Lyapunov functions, and using matrix-analytic methods, sufficient conditions for the queueing system to be stable or instable are obtained. Bounds on the queue length process are obtained by a sample path method, with the help of an auxiliary queueing system.

Original languageEnglish
Pages (from-to)362-375
Number of pages14
JournalNaval Research Logistics
Volume59
Issue number5
DOIs
StatePublished - Aug 2012
Externally publishedYes

Keywords

  • customer upgrades
  • matrix-analytic methods
  • priority queue
  • stability/ergodicity

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