Planning and Dimensioning of the 3G UMTS Core Networks

Planning and Dimensioning of the 3G UMTS Core Networks

Ye Ouyang (Stevens Institute of Technology, USA) and M. Hosein Fallah (Stevens Institute of Technology, USA)
Copyright: © 2012 |Pages: 29
DOI: 10.4018/978-1-61350-477-2.ch001
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Abstract

The current literature provides many practical tools or theoretical methods to design, plan, and dimension Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) radio networks, but overlooks the algorithms of the network planning and dimensioning for core networks of GSM, UMTS, and IP Multimedia Subsystem (IMS). This chapter introduces an algorithm for traffic, bandwidth, and throughput dimensioning of the network entities in the UMTS core network. The analysis is based on the traffic and throughput generated or absorbed in the interfaces of the network entities in the UMTS core network. Finally a case study is provided to verify the algorithms created for UMTS core network. This chapter is aimed at helping UMTS network operators dimension an optimum network size and build an optimum network structure to deliver an optimum quality of service for users. The algorithms developed in the chapter have been successfully applied in dimensioning a nationwide UMTS network in North Africa and adopted in an optimization tool by a mobile operator in the United States in 2008-09.
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Literature Review

The current literature provides many practical tools or theoretical methods to design, plan and dimension GSM and UMTS radio networks but overlooks the algorithms for planning and dimensioning of core networks of GSM, UMTS and IMS. No previous literature provides a unified approach to calculate the throughput or traffic of the UMTS core network. Very few studies have addressed the mobile core network planning and dimensioning topic. This is because that the core network in either logical or physical structure is more complicated than the radio access network and the internal throughput or traffic may vary from different vendors’ NEs.

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