Discrete-Time GeoX/G/1 Queue with Preemptive Repeat Different Priority

  • Authors:
  • Yutae Lee;Kye-Sang Lee

  • Affiliations:
  • Department of Information and Communication Engineering, Dongeui University, San 24 Kaya-dong, Busanjin-gu, Busan 614-714, Korea;Department of Information and Communication Engineering, Dongeui University, San 24 Kaya-dong, Busanjin-gu, Busan 614-714, Korea ylee@dongeui.ac.kr

  • Venue:
  • Queueing Systems: Theory and Applications
  • Year:
  • 2003

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Abstract

This paper considers a discrete-time GeoX/G/1 queue accepting two classes of messages with preemptive repeat different priority. Service times of messages of each priority class are i.i.d. according to a general discrete distribution function that may differ between two classes. The completion time and the stability condition for our system are investigated. By using the supplementary variable method and the generating function technique, we derive the joint system contents distributions at various observation instants and also compute the probability distribution for the unfinished work.