A. I. Zreikat, K. Begain

Abstract

Performance analysis of multi service UMTS networks is of major interest for mobile network providers. Because of the W-CDMA technique used in UMTS, which leads to an interference limited system with a dynamic cell capacity and load dependent cell coverage, the service mix has a big influence on the system performance. The aim of this paper is to provide a detailed description of the performance relevant mechanisms for the uplink of a single UMTS cell and to extract capacity bounds for single and multi service operation. We propose a simplified calculation model for the multi service case, based on the number of users of different radio link services. CAC (Call Admission Control) algorithm was defined along with the extraction of the most important performance measures like : blocking probability, average data rate, and utilization. The results and the visualized graphical representations were produced using the modeling language MOSEL (Modelling Specification and Evaluation Language).

 East Midlands Conference Center, Prep2002 (Book of Abstracts, University of Nottingham, UK, pp. 1-2, 17-19 April, 2002.