An Approximate Model of the WCDMA Interface Servicing a Mixture of Multi-rate Traffic Streams with Priorities

  • Authors:

  • Damian Parniewicz;Maciej Stasiak;Janusz Wiewióra;Piotr Zwierzykowski

  • Affiliations:

  • Chair of Communications and Computer Networks, Poznan University of Technology, Poznań, Poland 60965;Chair of Communications and Computer Networks, Poznan University of Technology, Poznań, Poland 60965;Chair of Communications and Computer Networks, Poznan University of Technology, Poznań, Poland 60965;Chair of Communications and Computer Networks, Poznan University of Technology, Poznań, Poland 60965

  • Venue:
  • EPEW '08 Proceedings of the 5th European Performance Engineering Workshop on Computer Performance Engineering
  • Year:
  • 2008

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Abstract

The paper presents an approximate method for blocking probability determination in the WCDMA interface of the UMTS network with priorities. In our considerations we use a new model of the full-availability group servicing multi-rate traffic with priorities. In the proposed model we assume that a new call with a higher priority can terminate connections already in service if they are characterized by a lower priority than a new call. The proposed scheme is applicable for cost-effective WCDMA resource management in 3G mobile networks and can be easily applied to network capacity calculations.