UMTS HSPA and R99 Traffic Separation

  • Xi Li
  • Richard Schelb
  • Carmelita Görg
  • Andreas Timm-Giel
Part of the IFIP International Federation for Information Processing book series (IFIPAICT, volume 284)

This paper presents a general traffic separation approach to transmit HSPA traffic in the existing ATM-based UMTS network, together with Release 99 (R99) traffic. The traffic separation technique enables QoS differentiations of HSPA and R99 traffic, while at the same time aims to achieve a maximum utilization of the transport resources in the radio access network. The potential benefit of applying traffic separation and its impact on the performance of the transport network as well as the end users are explored in this paper. The quantitative evaluations are provided by means of simulations. The results presented are obtained from a UMTS simulation model developed in this work which transmits both HSPA and R99 traffic, either with traffic separation enabled or disabled.


Transport Network Universal Mobile Telecommunication System High Speed Downlink Packet Access Application Throughput High Priority Traffic 
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Copyright information

© International Federation for Information Processing 2008

Authors and Affiliations

  • Xi Li
    • 1
  • Richard Schelb
    • 2
  • Carmelita Görg
    • 1
  • Andreas Timm-Giel
    • 1
  1. 1.TZI-ikom, Communication NetworksUniversity of BremenGermany
  2. 2.Nokia Siemens Networks GmbH & Co. KGGermany

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