Chapter 4. UMTS Architecture and Functionality

  1. Cornelia Kappler Ph.D.

Published Online: 12 MAY 2009

DOI: 10.1002/9780470682029.ch4

UMTS Networks and Beyond

UMTS Networks and Beyond

How to Cite

Kappler, C. (2009) UMTS Architecture and Functionality, in UMTS Networks and Beyond, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470682029.ch4

Author Information

  1. deZem GmbH, Germany

Publication History

  1. Published Online: 12 MAY 2009
  2. Published Print: 24 FEB 2009

ISBN Information

Print ISBN: 9780470031902

Online ISBN: 9780470682029



  • UMTS architecture and functionality;
  • reference point - defines what information is exchanged between functional groups;
  • User Identity Module (UIM);
  • Public Switched Telephone Network (PSTN);
  • UMTS Terrestrial Radio Access (UTRA);
  • Universal Integrated Circuit Card (UICC);
  • IP Multimedia Subsystem (IMS);
  • Extended Service Set (ESS);
  • User Equipment (UE)


This chapter contains sections titled:

  • Overview of Telecommunication Network Architecture

  • High-Level Architecture of 3G Networks

  • GSM Architecture

  • GPRS Architecture

  • UMTS Architecture

  • 3GPP System Architecture

  • WLAN Architecture

  • Summary