Algorithmic approach to studying models of multirate systems with queues

  • Authors:
  • Che Soong Kim;L. A. Ponomarenko;A. Z. Melikov

  • Affiliations:
  • Industrial Engineering of Sangji University, Sangji, Korea;International Scientific and Training Center of Information Technologies and Systems, National Academy of Sciences of Ukraine and Ministry of Education and Science of Ukraine, Kyiv, Ukraine;Institute of Cybernetics, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan

  • Venue:
  • Cybernetics and Systems Analysis
  • Year:
  • 2009

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Abstract

Models of multirate systems that handle narrowband and broadband calls are investigated. Narrowband calls are serviced by a single channel, whereas m 1 channels are required simultaneously for broadband calls. When the necessary number of idle channels is absent, broadband calls are queued but narrowband calls are not buffered and are accepted only if the number of idle channels is larger than a given threshold. An algorithmic approach is proposed to the calculation of service quality indices for such models, and results of numerical experiments are presented.