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Call level performance analysis of 3rd generation mobile core networks

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3 Author(s)
S. Racz ; Tech. Univ. Budapest, Hungary ; M. Telek ; G. Fodor

We develop a call level model of UMTS core networks where calls belonging to one of the four UMTS service classes arrive randomly. Arriving calls are granted service depending on the call's service class, the required maximum and minimum-bandwidth, and the available network resources at the arrival instance. We use a Markov model of transmission links to derive GoS (blocking probability) and QoS (throughput) measures under two reasonable and technologically feasible bandwidth sharing policies. We conclude that one of these policies is able to provide GoS/QoS guarantees for a wide range of traffic mixes. We argue that the results are applicable to the all IP/MPLS based new UMTS architecture

Published in:

Communications, 2001. ICC 2001. IEEE International Conference on  (Volume:2 )

Date of Conference: